/* ============================================
   云脑科技 · 汇金量化1号 — 品牌官网样式
   深蓝科技底色 + 金色强调色
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --blue-900: #050b1e;
  --blue-800: #0a1635;
  --blue-700: #0d1b4e;
  --blue-600: #111e6b;
  --blue-500: #1a2f7a;
  --blue-400: #2440a0;
  --blue-glass: rgba(255, 255, 255, 0.04);
  --blue-glass-hover: rgba(255, 255, 255, 0.08);

  --gold-300: #ffe066;
  --gold-400: #f0c75e;
  --gold-500: #d4af37;
  --gold-600: #c49b2a;
  --gold-glow: rgba(212, 175, 55, 0.15);

  --white: #ffffff;
  --text-primary: #eef2fa;
  --text-secondary: #a8b3c9;
  --text-muted: #6b7896;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-gold: 0 4px 30px rgba(212, 175, 55, 0.12);
  --shadow-blue: 0 8px 40px rgba(5, 11, 30, 0.6);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);

  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--blue-900);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ---------- Utility ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.section-title .accent {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.text-gold {
  color: var(--gold-400);
}

.bg-gradient-blue {
  background: linear-gradient(180deg, var(--blue-900) 0%, var(--blue-800) 50%, var(--blue-700) 100%);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  letter-spacing: 1px;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--blue-900);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 40px rgba(212, 175, 55, 0.3);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
}

.btn-outline {
  background: transparent;
  color: var(--gold-400);
  border: 1.5px solid var(--gold-500);
}

.btn-outline:hover {
  background: var(--gold-glow);
  border-color: var(--gold-400);
}

.btn-large {
  padding: 18px 48px;
  font-size: 1.1rem;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  z-index: 1000;
  background: rgba(5, 11, 30, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  border-radius: 8px;
  flex-shrink: 0;
}

.nav-logo .logo-text .sub {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  position: relative;
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition);
  padding: 4px 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-400), var(--gold-600));
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--blue-900);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition);
}

.nav-phone:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 50% 40%, var(--blue-600) 0%, var(--blue-800) 45%, var(--blue-900) 100%);
  z-index: 0;
}

/* Animated gold particles */
.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--gold-400);
  opacity: 0;
  animation: floatUp linear infinite;
}

@keyframes floatUp {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(-10vh) scale(1);
  }
}

/* Decorative grid lines */
.hero-grid-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Gold glow orbs */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 1;
}

.hero-glow-1 {
  width: 400px;
  height: 400px;
  background: rgba(212, 175, 55, 0.12);
  top: 10%;
  left: 5%;
}

.hero-glow-2 {
  width: 300px;
  height: 300px;
  background: rgba(36, 64, 160, 0.25);
  bottom: 15%;
  right: 10%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--gold-400);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 28px;
  letter-spacing: 1px;
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.hero-title .gold-text {
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500), var(--gold-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-weight: 400;
  letter-spacing: 1px;
}

.hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--text-muted);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll-hint .arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  text-align: center;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 50% 30%, var(--blue-600) 0%, var(--blue-800) 50%, var(--blue-900) 100%);
  z-index: 0;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.page-hero .gold-text {
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500), var(--gold-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Strategy Cards (Home) ---------- */
.strategy-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.strategy-card {
  background: var(--blue-glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.strategy-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.strategy-card:hover {
  background: var(--blue-glass-hover);
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.2);
  box-shadow: var(--shadow-card);
}

.strategy-card:hover::before {
  opacity: 1;
}

.strategy-card .card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.strategy-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
}

.strategy-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- Advantage Cards (Home) ---------- */
.advantage-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.advantage-card {
  background: var(--blue-glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

.advantage-card:hover {
  background: var(--blue-glass-hover);
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.2);
  box-shadow: var(--shadow-card);
}

.advantage-card .num {
  font-size: 0.75rem;
  color: var(--gold-500);
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.advantage-card .card-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
  border: 1px solid rgba(212, 175, 55, 0.15);
}

.advantage-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}

.advantage-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Company Intro (Home) ---------- */
.company-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.company-intro-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.4;
}

.company-intro-text .tagline {
  font-size: 1.1rem;
  color: var(--gold-400);
  margin-bottom: 24px;
  font-weight: 600;
  letter-spacing: 1px;
}

.company-intro-text p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1rem;
}

.company-intro-visual {
  position: relative;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-circle {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 2px solid rgba(212, 175, 55, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.visual-circle::before {
  content: "";
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.08);
}

.visual-circle::after {
  content: "";
  position: absolute;
  top: -40px;
  left: -40px;
  right: -40px;
  bottom: -40px;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.04);
}

.visual-circle-content {
  text-align: center;
}

.visual-circle-content .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
}

.visual-circle-content .label {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
}

.visual-circle-content .sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 1px;
}

/* orbiting dots */
.orbit-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 12px var(--gold-400);
}

.orbit-dot-1 {
  top: 10%;
  left: 50%;
  animation: orbit1 8s linear infinite;
}

.orbit-dot-2 {
  bottom: 10%;
  left: 50%;
  animation: orbit2 8s linear infinite;
}

@keyframes orbit1 {
  0% { top: 10%; left: 50%; }
  25% { top: 50%; left: 90%; }
  50% { top: 90%; left: 50%; }
  75% { top: 50%; left: 10%; }
  100% { top: 10%; left: 50%; }
}

@keyframes orbit2 {
  0% { bottom: 10%; left: 50%; }
  25% { bottom: 50%; left: 10%; }
  50% { bottom: 90%; left: 50%; }
  75% { bottom: 50%; left: 90%; }
  100% { bottom: 10%; left: 50%; }
}

/* ---------- Risk Notice ---------- */
.risk-notice {
  background: rgba(255, 180, 50, 0.05);
  border: 1px solid rgba(255, 180, 50, 0.2);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.risk-notice .icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
}

.risk-notice h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold-400);
  margin-bottom: 12px;
}

.risk-notice p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--blue-900);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--gold-400);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.footer-contact-item .gold-text {
  font-weight: 700;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ---------- About Page ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-intro-text h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.4;
}

.about-intro-text .en-name {
  color: var(--gold-400);
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 500;
}

.about-intro-text .tagline {
  font-size: 1.2rem;
  color: var(--gold-300);
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: 2px;
}

.about-intro-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.8;
}

.about-intro-visual {
  position: relative;
  height: 360px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.15);
}

.about-intro-visual::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(212, 175, 55, 0.1), transparent 60%);
}

.about-intro-visual .center-text {
  text-align: center;
  position: relative;
  z-index: 1;
}

.about-intro-visual .center-text .big {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.about-intro-visual .center-text .small {
  color: var(--text-secondary);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

/* Philosophy section */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.philosophy-card {
  background: var(--blue-glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
}

.philosophy-card:hover {
  background: var(--blue-glass-hover);
  border-color: rgba(212, 175, 55, 0.2);
  transform: translateY(-4px);
}

.philosophy-card .icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.philosophy-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
}

.philosophy-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Qualification info */
.qual-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 800px;
  margin: 0 auto;
}

.qual-card {
  background: var(--blue-glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all var(--transition);
}

.qual-card:hover {
  background: var(--blue-glass-hover);
  border-color: rgba(212, 175, 55, 0.2);
}

.qual-card .icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.qual-card .info h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
  letter-spacing: 1px;
}

.qual-card .info p {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}

.qual-card .info p.gold-text {
  color: var(--gold-400);
}

/* ---------- Product Page ---------- */
.product-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.product-hero-content .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--gold-400);
  font-size: 0.85rem;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.product-hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.product-hero-content h1 .gold-text {
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500), var(--gold-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-hero-content .tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

/* Strategy detail */
.strategy-detail {
  margin-bottom: 48px;
}

.strategy-detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.strategy-detail-header .icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
  border: 1px solid rgba(212, 175, 55, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.strategy-detail-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.strategy-detail p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.9;
  padding-left: 64px;
}

/* Synergy box */
.synergy-box {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(36, 64, 160, 0.08));
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-top: 40px;
}

.synergy-box h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold-400);
  margin-bottom: 16px;
  text-align: center;
}

.synergy-box p {
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.9;
  font-size: 1rem;
}

/* Advantage detail blocks */
.advantage-detail {
  display: flex;
  gap: 40px;
  margin-bottom: 60px;
  align-items: flex-start;
}

.advantage-detail:nth-child(even) {
  flex-direction: row-reverse;
}

.advantage-detail .ad-icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
  border: 1px solid rgba(212, 175, 55, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-detail .ad-content {
  flex: 1;
}

.advantage-detail .ad-content .ad-num {
  font-size: 0.75rem;
  color: var(--gold-500);
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.advantage-detail .ad-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.advantage-detail .ad-content p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.9;
}

/* Wind control flow */
.risk-flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.risk-flow-step {
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--blue-glass);
  border: 1px solid rgba(212, 175, 55, 0.2);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
}

.risk-flow-arrow {
  display: flex;
  align-items: center;
  color: var(--gold-500);
}

/* ---------- Contact Page ---------- */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.contact-info-card {
  background: var(--blue-glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  transition: all var(--transition);
}

.contact-info-card:hover {
  background: var(--blue-glass-hover);
  border-color: rgba(212, 175, 55, 0.2);
  transform: translateY(-4px);
}

.contact-info-card .icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
}

.contact-info-card h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
  letter-spacing: 1px;
}

.contact-info-card .value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  word-break: break-all;
}

.contact-info-card .value.gold-text {
  color: var(--gold-400);
}

.contact-info-card .value a {
  transition: color var(--transition);
}

.contact-info-card .value a:hover {
  color: var(--gold-300);
}

/* Contact form */
.contact-form-wrap {
  max-width: 640px;
  margin: 0 auto;
  background: var(--blue-glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.contact-form-wrap h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  text-align: center;
}

.contact-form-wrap .form-sub {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 36px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group label .required {
  color: var(--gold-400);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(5, 11, 30, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold-500);
  background: rgba(5, 11, 30, 0.7);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: var(--blue-900);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 1px;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(212, 175, 55, 0.3);
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 0;
}

.form-success.show {
  display: block;
  animation: fadeIn 0.5s ease;
}

.form-success .check-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
}

.form-success h4 {
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-secondary);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.work-hours {
  text-align: center;
  margin-top: 48px;
}

.work-hours p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.work-hours .gold-text {
  font-weight: 700;
}

/* ---------- CTA Section ---------- */
.cta-section {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(180deg, transparent, rgba(212, 175, 55, 0.03));
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* ---------- Scroll Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ---------- Responsive ---------- */
@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(5, 11, 30, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    transform: translateY(-150%);
    transition: transform var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-menu .nav-link {
    padding: 14px 0;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  .nav-menu .nav-link::after {
    display: none;
  }

  .nav-phone {
    margin-top: 16px;
    justify-content: center;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .strategy-cards {
    grid-template-columns: 1fr;
  }

  .advantage-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .company-intro,
  .about-intro {
    grid-template-columns: 1fr;
  }

  .company-intro-visual,
  .about-intro-visual {
    display: none;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .qual-info {
    grid-template-columns: 1fr;
  }

  .contact-info-grid {
    grid-template-columns: 1fr;
  }

  .advantage-detail {
    flex-direction: column !important;
    gap: 16px;
  }

  .advantage-detail .ad-content {
    padding-left: 0;
  }

  .strategy-detail p {
    padding-left: 0;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form-wrap {
    padding: 32px 24px;
  }

  .product-hero-content h1 {
    font-size: 2.4rem;
  }

  .page-hero h1 {
    font-size: 2.2rem;
  }

  .section {
    padding: 70px 0;
  }
}

@media (max-width: 480px) {
  .advantage-cards {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }
}