:root {
  --black: #0A0A0A;
  --black-light: #1C1C1C;
  --black-lighter: #2D2D2D;
  --brown: #5C3D1E;
  --brown-warm: #7A5A32;
  --brown-light: #9B7B52;
  --gold: #C9A96E;
  --gold-light: #D4BC8A;
  --gold-dark: #A88B4E;
  --cream: #FAF6F0;
  --cream-alt: #F0EBE2;
  --text: #1A1410;
  --text-muted: #6B5E50;
  --text-light: #9A8E80;
  --white: #FFFFFF;
  --border: #E0D6C8;
  --border-light: #EDE7DC;
  --shadow-sm: 0 1px 3px rgba(10,10,10,0.08);
  --shadow-md: 0 4px 20px rgba(10,10,10,0.1);
  --shadow-lg: 0 8px 40px rgba(10,10,10,0.14);
  --shadow-xl: 0 16px 60px rgba(10,10,10,0.18);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--text);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section#about .container {
  width: 900px;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s var(--ease-out);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-parallax] {
  will-change: transform;
  transition: none;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--brown-warm), var(--gold));
  z-index: 9999;
  width: 0%;
  transition: width 0.05s linear;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  position: relative;
  padding: 0 20px;
}

.section-tag::before,
.section-tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.section-tag::before {
  right: 100%;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.section-tag::after {
  left: 100%;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 600;
  color: var(--white);
  letter-spacing: 2px;
  line-height: 1.3;
}

.section-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  margin-top: 16px;
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 1px;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gold);
  color: var(--black);
  box-shadow: 0 4px 16px rgba(201,169,110,0.3);
}

.btn-primary:hover {
  background: var(--gold-dark);
  box-shadow: 0 6px 24px rgba(201,169,110,0.4);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.4);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

.btn-full {
  width: 100%;
}

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s var(--ease-out);
}

.header.scrolled {
  background: rgba(250,246,240,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 1px 20px rgba(10,10,10,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  z-index: 10;
}

.logo img {
  height: 40px;
  width: auto;
  transition: filter 0.4s var(--ease-out);
}

.header.scrolled .logo img {
  filter: none;
}

.logo-cn {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 3px;
  transition: color 0.4s var(--ease-out);
}

.logo-en {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 4px;
  color: var(--gold);
  transition: color 0.4s var(--ease-out);
}

.header.scrolled .logo-cn {
  color: var(--black);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  letter-spacing: 1px;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s var(--ease-out);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: width 0.4s var(--ease-out);
}

.nav a:hover {
  color: var(--white);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  width: 100%;
}

.nav a.active {
  color: var(--gold);
}

.nav a.active::after {
  width: 0;
}

.header.scrolled .nav a {
  color: var(--text-muted);
}

.header.scrolled .nav a:hover {
  color: var(--black);
}

.header.scrolled .nav a.active {
  color: var(--gold-dark);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 10;
}

.header-contact-btn {
  font-size: 13px;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 1px;
  padding: 8px 20px;
  background: var(--gold);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease-out);
}

.header-contact-btn:hover {
  background: var(--gold-dark);
  transform: translateY(-1px);
}

.header.scrolled .header-contact-btn {
  color: var(--black);
}

.login-btn {
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 1px;
  padding: 8px 20px;
  border: 1px solid var(--gold);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease-out);
}

.login-btn:hover {
  background: var(--gold);
  color: var(--black);
}

.header.scrolled .login-btn {
  border-color: var(--gold);
  color: var(--gold-dark);
}

.header.scrolled .login-btn:hover {
  background: var(--gold);
  color: var(--black);
}

/* ========== CONTACT MODAL ========== */
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.38s var(--ease-out), visibility 0.38s var(--ease-out);
}

.contact-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 20%, rgba(201,169,110,0.18), transparent 34%),
    rgba(4, 3, 2, 0.76);
}

.contact-modal-card {
  position: relative;
  width: min(720px, 100%);
  max-height: min(86vh, 820px);
  overflow-y: auto;
  border: 1px solid rgba(201,169,110,0.28);
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% 0%, rgba(201,169,110,0.16), transparent 38%),
    linear-gradient(145deg, rgba(30,23,16,0.98), rgba(10,8,6,0.98));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 28px 90px rgba(0,0,0,0.48);
  padding: 34px;
  transform: translateY(24px) scale(0.98);
  transition: transform 0.42s var(--ease-out);
}

.contact-modal.is-open .contact-modal-card {
  transform: translateY(0) scale(1);
}

.contact-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(201,169,110,0.24);
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  cursor: pointer;
}

.contact-modal-close::before,
.contact-modal-close::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  top: 16px;
  height: 1px;
  background: var(--gold-light);
}

.contact-modal-close::before {
  transform: rotate(45deg);
}

.contact-modal-close::after {
  transform: rotate(-45deg);
}

.contact-modal-header {
  padding-right: 42px;
  margin-bottom: 24px;
}

.contact-modal-kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.contact-modal-header h3 {
  margin: 0 0 8px;
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
}

.contact-modal-header p,
.contact-modal-intro,
.contact-modal-consent {
  color: rgba(250,246,240,0.68);
}

.contact-modal-form {
  display: grid;
  gap: 18px;
}

.contact-modal-intro {
  margin: 0;
  line-height: 1.7;
}

.contact-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.contact-form-grid label {
  display: grid;
  gap: 8px;
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
}

.contact-form-wide {
  grid-column: 1 / -1;
}

.contact-form-grid input,
.contact-form-grid textarea {
  width: 100%;
  border: 1px solid rgba(201,169,110,0.2);
  border-radius: 8px;
  background: rgba(5,4,3,0.62);
  color: var(--cream);
  font: inherit;
  outline: none;
  padding: 13px 14px;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.contact-form-grid input::placeholder,
.contact-form-grid textarea::placeholder {
  color: rgba(250,246,240,0.36);
}

.contact-form-grid input {
  min-height: 50px;
}

.contact-form-grid textarea {
  resize: vertical;
  min-height: 112px;
  line-height: 1.6;
}

.contact-form-grid input:focus,
.contact-form-grid textarea:focus {
  border-color: rgba(212,188,138,0.7);
  background: rgba(10,8,6,0.86);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.12);
}

.contact-modal-consent {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
}

.contact-submit {
  justify-self: start;
  min-width: 132px;
  min-height: 46px;
  border: 1px solid rgba(201,169,110,0.48);
  border-radius: var(--radius-sm);
  background: var(--gold);
  color: var(--black);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.3s var(--ease-out), background 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.contact-submit:hover {
  transform: translateY(-2px);
  background: var(--gold-light);
  box-shadow: 0 14px 32px rgba(201,169,110,0.18);
}

.contact-modal-status {
  min-height: 24px;
  color: var(--gold-light);
  font-size: 13px;
}

body.contact-modal-open {
  overflow: hidden;
}

@media (max-width: 720px) {
  .contact-modal {
    padding: 14px;
  }

  .contact-modal-card {
    padding: 24px 18px;
    max-height: 90vh;
  }

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

  .contact-submit {
    width: 100%;
  }
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 10;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
}

.header.scrolled .menu-toggle span {
  background: var(--black);
}

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

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

.menu-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;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, #0A0A0A 0%, #1C1C1C 25%, #2A1F14 50%, #1C1410 75%, #0A0A0A 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(201,169,110,0.1) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(92,61,30,0.15) 0%, transparent 50%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23C9A96E' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-color: transparent;
  background-image: url('background.jpg');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0.15;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 0 80px;
}

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 4px;
  color: var(--gold);
  padding: 8px 24px;
  border: 1px solid rgba(201,169,110,0.3);
  border-radius: 50px;
  margin-bottom: 40px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
}

.hero-line {
  display: block;
  font-size: clamp(36px, 6vw, 64px);
  color: var(--white);
  letter-spacing: 6px;
}

.hero-line.accent {
  font-size: 60px;
  font-family: Arial, sans-serif;
  font-weight: 500;
  color: transparent;
  background-image: linear-gradient(90deg, #E4D9D0, #C9A96E, #FFF2C8, #9A7350, #E4D9D0);
  background-size: 300% 100%;
  background-repeat: repeat;
  background-position: 0% 50%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: heroTitleGradientFlow 3.8s ease-in-out infinite alternate;
  letter-spacing: 4px;
  margin-top: 8px;
}

@keyframes heroTitleGradientFlow {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

.hero-desc {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255,255,255,0.65);
  letter-spacing: 3px;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 80px;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-scroll span {
  font-size: 12px;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.4);
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* ========== CORE VALUES ========== */
.core {
  padding: 100px 0 60px;
  background: #0a0a0a;
  position: relative;
}

.core::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
}

.core-grid {
  display: flex;
  gap: 24px;
}

.core-item {
  flex: 1;
  text-align: left;
  padding: 48px 32px;
  position: relative;
  cursor: pointer;
  border: 1px solid rgba(201,169,110,0.15);
  border-radius: var(--radius-md);
  transition: flex 0.6s var(--ease-out), opacity 0.5s var(--ease-out), border-color 0.5s var(--ease-out), background 0.5s var(--ease-out);
  overflow: hidden;
}

.core-item:hover {
  flex: 2.5;
  border-color: rgba(201,169,110,0.4);
  background: rgba(201,169,110,0.05);
}

.core-grid:hover .core-item:not(:hover) {
  flex: 0.6;
  opacity: 0.35;
}

.core-main {
  transition: transform 0.5s var(--ease-out);
}

.core-item h3 {
  font-family: Arial, sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: #d4bc8a;
  letter-spacing: 2px;
  margin-bottom: 16px;
  white-space: nowrap;
}

.core-item p {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
}

.core-line {
  width: 32px;
  height: 2px;
  background: var(--gold);
  margin: 24px 0 0;
  border-radius: 1px;
  transition: width 0.4s var(--ease-out);
}

.core-item:hover .core-line {
  width: 56px;
}

.core-detail {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.6s var(--ease-out), opacity 0.5s var(--ease-out), margin 0.5s var(--ease-out);
  margin-top: 0;
}

.core-item:hover .core-detail {
  max-height: 300px;
  opacity: 1;
  margin-top: 24px;
}

.core-detail p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.9;
  margin-bottom: 16px;
}

.core-detail ul {
  list-style: none;
  padding: 0;
}

.core-detail ul li {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  letter-spacing: 0.5px;
}

.core-detail ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  transform: translateY(-50%);
  opacity: 0.7;
}

/* ========== DATA ========== */
.core .data-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(201,169,110,0.12);
  position: relative;
}

.core .data-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 10% 50%, rgba(201,169,110,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 90% 50%, rgba(92,61,30,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.data-item {
  flex: 1;
  text-align: center;
  padding: 24px 16px;
}

.data-num {
  font-family: Arial, sans-serif;
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 2px;
  line-height: 1.1;
}

.data-unit {
  font-family: Arial, sans-serif;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 500;
  color: var(--gold-light);
  letter-spacing: 2px;
}

.data-label {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  margin-top: 12px;
}

.data-divider {
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, transparent, rgba(201,169,110,0.3), transparent);
}

/* ========== SERVICE ========== */
.service {
  padding: 90px 0;
  background: transparent;
  position: relative;
}

section#service .title {
  font-family: Arial, sans-serif;
  color: transparent;
  background-image: linear-gradient(90deg, #E4D9D0, #C9A96E, #FFF2C8, #9A7350, #E4D9D0);
  background-size: 300% 100%;
  background-repeat: repeat;
  background-position: 0% 50%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: heroTitleGradientFlow 3.8s ease-in-out infinite alternate;
}

.service-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.service-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0;
}

.service-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--gold);
  top: -100px;
  left: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}

.service-orb-2 {
  width: 300px;
  height: 300px;
  background: var(--gold);
  bottom: -50px;
  right: -50px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

.service-orb-3 {
  width: 200px;
  height: 200px;
  background: var(--brown-warm);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbPulse 6s ease-in-out infinite;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, 20px); }
}

@keyframes orbPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.15; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.25; }
}

.service-carousel {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 0;
}

.service-carousel-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 20px 10px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.service-carousel-track::-webkit-scrollbar {
  display: none;
}

.service-float-card {
  flex: 0 0 calc(33.333% - 16px);
  min-width: 320px;
  scroll-snap-align: start;
  background: linear-gradient(145deg, rgba(15,15,15,0.95) 0%, rgba(10,10,10,0.98) 100%);
  border-radius: 16px;
  padding: 40px 32px;
  position: relative;
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(201,169,110,0.1);
  overflow: hidden;
}

.service-float-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(201,169,110,0.3), transparent 50%, rgba(201,169,110,0.1));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.service-float-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 25px 60px rgba(201,169,110,0.15), 0 0 40px rgba(201,169,110,0.08);
  border-color: rgba(201,169,110,0.4);
}

.service-float-card:hover::before {
  opacity: 1;
}

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(201,169,110,0.08) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.service-float-card:hover .card-glow {
  opacity: 1;
}

.card-inner {
  position: relative;
  z-index: 2;
}

.card-number {
  font-family: Arial, sans-serif;
  font-size: 48px;
  font-weight: 300;
  color: rgba(201,169,110,0.12);
  letter-spacing: 2px;
  margin-bottom: 8px;
  transition: all 0.5s ease;
}

.service-float-card:hover .card-number {
  color: rgba(201,169,110,0.25);
  transform: translateY(-4px);
}

.service-float-card h3 {
  font-family: Arial, sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 1px;
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

.service-float-card:hover h3 {
  color: var(--gold);
}

.card-subtitle {
  font-size: 14px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(201,169,110,0.15);
}

.card-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.9;
}

.card-corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: rgba(201,169,110,0.4);
  border-style: solid;
  opacity: 0;
  transition: all 0.4s ease;
}

.card-corner-tl {
  top: 12px;
  left: 12px;
  border-width: 2px 0 0 2px;
  border-radius: 4px 0 0 0;
}

.card-corner-tr {
  top: 12px;
  right: 12px;
  border-width: 2px 2px 0 0;
  border-radius: 0 4px 0 0;
}

.card-corner-bl {
  bottom: 12px;
  left: 12px;
  border-width: 0 0 2px 2px;
  border-radius: 0 0 0 4px;
}

.card-corner-br {
  bottom: 12px;
  right: 12px;
  border-width: 0 2px 2px 0;
  border-radius: 0 0 4px 0;
}

.service-float-card:hover .card-corner {
  opacity: 1;
}

.service-float-card:hover .card-corner-tl { top: 8px; left: 8px; }
.service-float-card:hover .card-corner-tr { top: 8px; right: 8px; }
.service-float-card:hover .card-corner-bl { bottom: 8px; left: 8px; }
.service-float-card:hover .card-corner-br { bottom: 8px; right: 8px; }

.service-float-card-featured {
  background: linear-gradient(145deg, rgba(20,18,14,0.98) 0%, rgba(12,10,8,0.99) 100%);
  border-color: rgba(201,169,110,0.25);
}

.service-float-card-featured h3 {
  color: rgb(212, 188, 138);
}

.service-float-card-featured .card-subtitle {
  color: rgb(212, 188, 138);
}

.card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--black);
  background: linear-gradient(135deg, var(--gold), var(--brown-warm));
  padding: 6px 16px;
  border-radius: 50px;
  text-transform: uppercase;
}

.service-carousel-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
}

.carousel-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(201,169,110,0.3);
  background: rgba(15,15,15,0.8);
  color: var(--gold);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.carousel-btn:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.carousel-btn svg {
  width: 20px;
  height: 20px;
}

.carousel-dots {
  display: flex;
  gap: 12px;
}

.carousel-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(201,169,110,0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dots .dot.active {
  background: var(--gold);
  transform: scale(1.3);
  box-shadow: 0 0 12px rgba(201,169,110,0.5);
}

/* ========== ADVANTAGE ========== */
.advantage {
  padding: 90px 0;
  background: transparent;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-card {
  padding: 40px 32px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(201,169,110,0.12);
  background: rgba(255,255,255,0.02);
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.advantage-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(180deg, transparent, rgba(201,169,110,0.04));
  transition: height 0.5s var(--ease-out);
}

.advantage-card:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 20px rgba(201,169,110,0.1);
  transform: translateY(-4px);
}

.advantage-card:hover::after {
  height: 100%;
}

.advantage-num {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: rgba(201,169,110,0.12);
  line-height: 1;
  display: block;
  margin-bottom: 20px;
  transition: color 0.4s var(--ease-out);
}

.advantage-card:hover .advantage-num {
  color: rgba(201,169,110,0.25);
}

.advantage-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 1px;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.advantage-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

/* ========== STACK SCROLL AREA ========== */
.stack-scroll-area {
  position: relative;
  width: 100%;
  padding-bottom: 5vh;
}

.stack-container {
  width: 92%;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.card-wrapper {
  position: sticky;
  top: 80px;
  height: 500px;
  width: 100%;
  margin-bottom: 40vh;
  display: flex;
  justify-content: center;
  align-items: center;
  will-change: transform, filter, opacity;
}

.card-wrapper:nth-child(1) { z-index: 5; }
.card-wrapper:nth-child(2) { z-index: 4; }
.card-wrapper:nth-child(3) { z-index: 3; }
.card-wrapper:nth-child(4) { z-index: 2; }
.card-wrapper:nth-child(5) { z-index: 1; }

.card-inner {
  height: 100%;
  width: 100%;
  background: linear-gradient(145deg, rgba(15, 15, 15, 0.98) 0%, rgba(8, 8, 8, 1) 100%);
  border: 1px solid rgba(201, 169, 110, 0.08);
  border-radius: 24px;
  padding: 48px 56px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.7);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  transition: all 0.5s ease;
}

.card-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.3), transparent);
  pointer-events: none;
}

.card-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 0%, rgba(201, 169, 110, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.card-wrapper:hover .card-inner {
  border-color: rgba(201, 169, 110, 0.15);
  box-shadow: 0 50px 100px rgba(0, 0, 0, 0.8), 0 0 60px rgba(201, 169, 110, 0.05);
}

.card-number {
  position: absolute;
  top: 24px;
  right: 40px;
  font-family: Arial, sans-serif;
  font-size: 72px;
  font-weight: 300;
  color: rgba(201, 169, 110, 0.06);
  line-height: 1;
  transition: all 0.5s ease;
}

.card-wrapper:hover .card-number {
  color: rgba(201, 169, 110, 0.12);
  transform: translateY(-4px);
}

.card-title {
  font-family: Arial, sans-serif;
  font-size: 28px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: 16px;
  transition: color 0.3s ease;
}

.card-tagline {
  font-size: 13px;
  color: rgba(201, 169, 110, 0.7);
  letter-spacing: 3px;
  margin-bottom: 20px;
  font-weight: 400;
  text-transform: uppercase;
}

.card-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.9;
  letter-spacing: 0.3px;
  max-width: 700px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(201, 169, 110, 0.08);
}

.card-tags span {
  font-size: 11px;
  color: rgba(201, 169, 110, 0.5);
  letter-spacing: 1px;
  padding: 6px 14px;
  background: rgba(201, 169, 110, 0.05);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.card-wrapper:hover .card-tags span {
  color: rgba(201, 169, 110, 0.8);
  background: rgba(201, 169, 110, 0.1);
}

.card-wrapper.featured .card-inner {
  background: linear-gradient(145deg, rgba(22, 18, 12, 0.98) 0%, rgba(12, 10, 6, 1) 100%);
  border-color: rgba(201, 169, 110, 0.12);
}

@media (max-width: 768px) {
  .card-wrapper {
    height: auto;
    min-height: 400px;
    margin-bottom: 20vh;
  }
  
  .card-inner {
    padding: 32px 28px;
  }
  
  .card-title {
    font-size: 22px;
  }
  
  .card-number {
    font-size: 56px;
    right: 20px;
    top: 16px;
  }
}

/* ========== SERVICE SCROLL STACK ========== */
.service-scroll-stack {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 80px 80px;
}

.scroll-stack-viewport {
  position: relative;
  min-height: 650px;
  perspective: 1500px;
  perspective-origin: center center;
}

.scroll-cards-track {
  position: relative;
  width: 100%;
}

.scroll-card {
  position: relative;
  margin-bottom: 32px;
  transform-origin: center center;
  transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  opacity: 0.35;
  transform: scale(0.88) translateY(40px);
}

.scroll-card.active {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.scroll-card.prev {
  opacity: 0.5;
  transform: scale(0.85) translateY(-50px);
}

.scroll-card.next {
  opacity: 0.45;
  transform: scale(0.9) translateY(30px);
}

.scroll-card-frame {
  position: relative;
  background: linear-gradient(168deg, rgba(12, 12, 12, 0.99) 0%, rgba(6, 6, 6, 1) 100%);
  border-radius: 16px;
  padding: 52px 56px;
  border: 1px solid rgba(201, 169, 110, 0.06);
  overflow: hidden;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-card.active .scroll-card-frame {
  border-color: rgba(201, 169, 110, 0.2);
  box-shadow: 
    0 40px 100px rgba(0, 0, 0, 0.7),
    0 0 80px rgba(201, 169, 110, 0.06),
    inset 0 1px 0 rgba(201, 169, 110, 0.1);
}

.scroll-card-number {
  position: absolute;
  top: 20px;
  right: 32px;
  font-family: 'Times New Roman', serif;
  font-size: 80px;
  font-weight: 300;
  color: rgba(201, 169, 110, 0.06);
  letter-spacing: 3px;
  line-height: 1;
  transition: all 0.6s ease;
}

.scroll-card.active .scroll-card-number {
  color: rgba(201, 169, 110, 0.12);
  transform: translateY(-3px);
}

.scroll-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, 
    rgba(201, 169, 110, 0.6) 0%, 
    rgba(201, 169, 110, 0.2) 50%,
    rgba(201, 169, 110, 0.05) 100%);
  opacity: 0;
  transition: all 0.5s ease;
  border-radius: 0 4px 4px 0;
}

.scroll-card.active .scroll-card-accent {
  opacity: 1;
}

.scroll-card-content {
  position: relative;
  z-index: 2;
  max-width: 85%;
}

.scroll-card-title {
  font-family: Arial, sans-serif;
  font-size: 28px;
  font-weight: 500;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 14px;
  transition: all 0.5s ease;
}

.scroll-card.active .scroll-card-title {
  color: #C9A96E;
}

.scroll-card-tagline {
  font-size: 14px;
  color: rgba(201, 169, 110, 0.75);
  letter-spacing: 3px;
  margin-bottom: 20px;
  font-weight: 400;
  text-transform: uppercase;
}

.scroll-card-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.9;
  letter-spacing: 0.3px;
}

.scroll-card-ornament {
  position: absolute;
  width: 20px;
  height: 20px;
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-card-ornament::before,
.scroll-card-ornament::after {
  content: '';
  position: absolute;
  background: #C9A96E;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-card-ornament.top-left { top: 14px; left: 14px; }
.scroll-card-ornament.top-left::before { width: 28px; height: 2px; top: 0; left: 0; }
.scroll-card-ornament.top-left::after { width: 2px; height: 28px; top: 0; left: 0; }

.scroll-card-ornament.top-right { top: 14px; right: 14px; }
.scroll-card-ornament.top-right::before { width: 28px; height: 2px; top: 0; right: 0; }
.scroll-card-ornament.top-right::after { width: 2px; height: 28px; top: 0; right: 0; }

.scroll-card-ornament.bottom-left { bottom: 14px; left: 14px; }
.scroll-card-ornament.bottom-left::before { width: 28px; height: 2px; bottom: 0; left: 0; }
.scroll-card-ornament.bottom-left::after { width: 2px; height: 28px; bottom: 0; left: 0; }

.scroll-card-ornament.bottom-right { bottom: 14px; right: 14px; }
.scroll-card-ornament.bottom-right::before { width: 28px; height: 2px; bottom: 0; right: 0; }
.scroll-card-ornament.bottom-right::after { width: 2px; height: 28px; bottom: 0; right: 0; }

.scroll-card.active .scroll-card-ornament {
  opacity: 1;
}

.scroll-card-badge {
  position: absolute;
  top: 24px;
  left: 32px;
  padding: 8px 20px;
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.12), rgba(201, 169, 110, 0.04));
  border: 1px solid rgba(201, 169, 110, 0.25);
  border-radius: 24px;
  font-size: 11px;
  color: #C9A96E;
  letter-spacing: 2px;
  z-index: 5;
  font-weight: 500;
}

.scroll-card.featured .scroll-card-frame {
  background: linear-gradient(168deg, rgba(20, 16, 10, 0.99) 0%, rgba(10, 8, 4, 1) 100%);
  border-color: rgba(201, 169, 110, 0.15);
}

.scroll-card.featured .scroll-card-title {
  color: #C9A96E;
}

/* Scroll Progress */
.scroll-progress-track {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 180px;
  background: rgba(201, 169, 110, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.scroll-progress-fill {
  width: 100%;
  background: linear-gradient(to bottom, #C9A96E 0%, rgba(201, 169, 110, 0.4) 100%);
  border-radius: 3px;
  transition: height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px rgba(201, 169, 110, 0.5);
}

.scroll-index-display {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  text-align: right;
  font-family: 'Times New Roman', serif;
}

.scroll-index-current {
  font-size: 36px;
  color: #C9A96E;
  font-weight: 300;
  line-height: 1;
}

.scroll-index-sep {
  font-size: 14px;
  color: rgba(201, 169, 110, 0.25);
  margin: 0 6px;
}

.scroll-index-total {
  font-size: 16px;
  color: rgba(201, 169, 110, 0.35);
}

/* Navigation */
.scroll-navigation {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 16px;
}

.scroll-nav-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(201, 169, 110, 0.08);
  border: 1px solid rgba(201, 169, 110, 0.2);
  color: rgba(201, 169, 110, 0.6);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
}

.scroll-nav-btn:hover {
  background: rgba(201, 169, 110, 0.15);
  border-color: rgba(201, 169, 110, 0.4);
  color: #C9A96E;
  transform: scale(1.05);
}

.scroll-nav-btn svg {
  width: 20px;
  height: 20px;
}

/* Scroll Cue */
.scroll-cue {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(201, 169, 110, 0.35);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.scroll-cue-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(201, 169, 110, 0.4), transparent);
  animation: cuePulse 2s ease-in-out infinite;
}

@keyframes cuePulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 0.7; transform: scaleY(1); }
}

/* Hover Effects */
.scroll-card:hover .scroll-card-frame {
  border-color: rgba(201, 169, 110, 0.3);
  box-shadow: 
    0 45px 110px rgba(0, 0, 0, 0.75),
    0 0 100px rgba(201, 169, 110, 0.08);
}

.scroll-card:hover .scroll-card-ornament {
  opacity: 1;
}

.scroll-card:hover .scroll-card-ornament.top-left { top: 10px; left: 10px; }
.scroll-card:hover .scroll-card-ornament.top-right { top: 10px; right: 10px; }
.scroll-card:hover .scroll-card-ornament.bottom-left { bottom: 10px; left: 10px; }
.scroll-card:hover .scroll-card-ornament.bottom-right { bottom: 10px; right: 10px; }

.scroll-card:hover .scroll-card-title {
  color: #C9A96E;
}

.scroll-card:hover .scroll-card-number {
  color: rgba(201, 169, 110, 0.18);
  transform: translateY(-5px);
}

/* ========== TEAM ========== */
.team {
  padding: 90px 0;
  background: transparent;
  max-height: 700px;
}

.team .container {
  position: relative;
  z-index: 1;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.team-member {
  text-align: center;
  padding: 32px 16px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(201,169,110,0.12);
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.team-member::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,0.3), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.team-member::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(201,169,110,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.team-member:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(201,169,110,0.1);
  border-color: rgba(201,169,110,0.3);
}

.team-member:hover::before {
  opacity: 1;
}

.member-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  color: var(--brown-warm);
  background: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  border: 2px solid rgba(201, 169, 110, 0.3);
}

.member-avatar svg {
  width: 100%;
  height: 100%;
}

.member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.team-member h4 {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 1px;
  margin-bottom: 8px;
  line-height: 1.5;
  word-wrap: break-word;
  word-break: break-all;
  hyphens: auto;
  white-space: normal;
  text-align: center;
}

.member-title {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  color: rgb(212, 188, 138);
  letter-spacing: 0.5px;
  margin-top: 6px;
  line-height: 1.4;
  text-align: center;
}

.team-member p {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* ========== ABOUT ========== */
.about {
  padding: 90px 0;
  background: transparent;
  color: #0a0a0a;
}

.about-layout {
  width: 800px;
  display: flex;
  justify-content: center;
  text-align: center;
}

.about {
  padding: 10px 0 0;
  background: transparent;
  color: #0a0a0a;
  position: relative;
  overflow: hidden;
}

.about-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.about-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse 40% 30% at 20% 50%, rgba(201,169,110,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 30% 40% at 80% 30%, rgba(201,169,110,0.04) 0%, transparent 70%);
  animation: aboutGlow 12s ease-in-out infinite;
}

.about-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,169,110,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,110,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  animation: aboutGrid 20s linear infinite;
}

@keyframes aboutGlow {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  33% {
    transform: translate(5%, 3%) scale(1.1);
    opacity: 0.8;
  }
  66% {
    transform: translate(-3%, 5%) scale(0.95);
    opacity: 1;
  }
}

@keyframes aboutGrid {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(80px, 80px);
  }
}

.about-orb {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,110,0.12) 0%, transparent 70%);
  filter: blur(1px);
}

.about-orb:nth-child(1) {
  width: 400px;
  height: 400px;
  top: -100px;
  left: -150px;
  animation: orbFloat1 20s ease-in-out infinite;
}

.about-orb:nth-child(2) {
  width: 300px;
  height: 300px;
  bottom: -80px;
  right: -100px;
  animation: orbFloat2 25s ease-in-out infinite;
}

.about-orb:nth-child(3) {
  width: 200px;
  height: 200px;
  top: 50%;
  right: 10%;
  transform: translateY(-50%);
  animation: orbFloat3 18s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(60px, 40px);
  }
  50% {
    transform: translate(30px, 80px);
  }
  75% {
    transform: translate(-20px, 50px);
  }
}

@keyframes orbFloat2 {
  0%, 100% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(-50px, -30px);
  }
  50% {
    transform: translate(-80px, 20px);
  }
  75% {
    transform: translate(-30px, -50px);
  }
}

@keyframes orbFloat3 {
  0%, 100% {
    transform: translateY(-50%) translate(0, 0);
  }
  33% {
    transform: translateY(-50%) translate(40px, -20px);
  }
  66% {
    transform: translateY(-50%) translate(-30px, 30px);
  }
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,0.3), transparent);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.about-header {
  margin-bottom: 60px;
}

.about-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  position: relative;
  padding: 0 24px;
}

.about-tag::before,
.about-tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 50px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,0.4));
}

.about-tag::before {
  right: 100%;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,0.4));
}

.about-tag::after {
  left: 100%;
  background: linear-gradient(90deg, rgba(201,169,110,0.4), transparent);
}

.about-title {
  font-family: Arial, sans-serif;
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 600;
  letter-spacing: 4px;
  margin-bottom: 20px;
  line-height: 1.2;
  color: transparent;
  background-image: linear-gradient(90deg, #E4D9D0, #C9A96E, #FFF2C8, #9A7350, #E4D9D0);
  background-size: 300% 100%;
  background-repeat: repeat;
  background-position: 0% 50%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: heroTitleGradientFlow 3.8s ease-in-out infinite alternate;
}

.about-subtitle {
  font-family: Arial, sans-serif;
  font-size: 20px;
  font-weight: 400;
  color: var(--gold-light);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.about-tagline {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.4);
  letter-spacing: 4px;
}

.about-body {
  text-align: center;
}

.about-deco-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, rgba(201,169,110,0.4), transparent);
  margin: 0 auto 48px;
}

.about-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.about-tab {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.4);
  padding: 12px 28px;
  border: 1px solid rgba(201,169,110,0.2);
  border-radius: 50px;
  background: transparent;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  letter-spacing: 1px;
}

.about-tab:hover {
  color: rgba(255,255,255,0.7);
  border-color: rgba(201,169,110,0.4);
}

.about-tab.active {
  color: var(--black);
  background: var(--gold);
  border-color: var(--gold);
}

.about-tab-content {
  display: none;
}

.about-tab-content.active {
  display: block;
}

.about-tab-content .about-text-block {
  animation: fadeInUp 0.5s var(--ease-out) forwards;
}

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

.about-text-block {
  margin-bottom: 32px;
}

.about-text {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  color: rgba(255,255,255,0.65);
  line-height: 2.2;
  letter-spacing: 0.5px;
  max-width: 800px;
  margin: 0 auto;
}

.about-cta {
  margin-top: 48px;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--gold);
  padding: 14px 40px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.about-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gold);
  transition: left 0.4s var(--ease-out);
  z-index: -1;
}

.about-btn:hover {
  color: var(--black);
}

.about-btn:hover::before {
  left: 0;
}

.about-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.about-card {
  padding: 28px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(201,169,110,0.15);
  background: rgba(255,255,255,0.03);
  transition: all 0.4s var(--ease-out);
  cursor: pointer;
}

.about-card:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 20px rgba(201,169,110,0.1);
  transform: translateY(-3px);
}

.about-card-icon {
  width: 36px;
  height: 36px;
  color: var(--brown-warm);
  margin-bottom: 16px;
}

.about-card-icon svg {
  width: 100%;
  height: 100%;
}

.about-card h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 400;
  color: var(--gold-light);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.about-card p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* ========== INFO ========== */
.info {
  padding: 90px 0;
  background: transparent;
}

.info-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.tab-btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
  padding: 10px 24px;
  border: 1px solid rgba(201,169,110,0.2);
  border-radius: 50px;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  letter-spacing: 1px;
}

.tab-btn:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}

.tab-btn.active {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.info-card {
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(201,169,110,0.12);
  transition: all 0.4s var(--ease-out);
  cursor: pointer;
  position: relative;
  display: block;
  color: inherit;
  text-decoration: none;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,0.3), transparent);
  opacity: 0;
  transition: opacity 0.4s;
  z-index: 1;
}

.info-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(201,169,110,0.1);
  border-color: rgba(201,169,110,0.3);
}

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

.info-card-img {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--black) 0%, var(--black-light) 50%, #2A1F14 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.info-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s var(--ease-out);
}

.info-card:hover .info-card-img img {
  transform: scale(1.08);
}

.info-card-placeholder {
  width: 48px;
  height: 48px;
  color: rgba(201,169,110,0.3);
}

.info-card-placeholder svg {
  width: 100%;
  height: 100%;
}

.info-card-body {
  padding: 24px;
  transition: background 0.4s var(--ease-out);
}

.info-card:hover .info-card-body {
  background: rgba(201,169,110,0.03);
}

.info-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--gold-dark);
  background: rgba(201,169,110,0.1);
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.info-card h4 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 0.5px;
  line-height: 1.5;
  margin-bottom: 8px;
}

.info-card-body p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 12px;
}

.info-date {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 1px;
}

/* ========== JOIN ========== */
.join {
  padding: 120px 0;
  background: #0a0a0a;
}

.join-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.join-left .section-tag {
  padding: 0;
}

.join-left .section-tag::before,
.join-left .section-tag::after {
  display: none;
}

.join-left .title {
  text-align: left;
  margin-bottom: 24px;
}

.join-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  line-height: 1.9;
}

.job-item {
  display: flex;
  align-items: center;
  padding: 28px 32px;
  border: 1px solid rgba(201,169,110,0.15);
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  transition: all 0.4s var(--ease-out);
  cursor: pointer;
  gap: 20px;
}

.job-item:last-child {
  margin-bottom: 0;
}

.job-item:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 20px rgba(201,169,110,0.1);
  transform: translateX(8px);
}

.job-info {
  flex: 1;
}

.job-info h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.job-info p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.job-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--black);
  background: var(--gold);
  padding: 4px 12px;
  border-radius: 50px;
}

.job-arrow {
  width: 20px;
  height: 20px;
  color: var(--text-light);
  transition: all 0.3s var(--ease-out);
}

.job-item:hover .job-arrow {
  color: var(--gold);
  transform: translateX(4px);
}

.job-arrow svg {
  width: 100%;
  height: 100%;
}

/* ========== PARTNER ========== */
.partner {
  padding: 96px 0 150px;
  background: transparent;
  overflow: hidden;
}

.partner-marquee {
  position: relative;
  display: grid;
  gap: 20px;
  width: min(100%, 1440px);
  margin: 0 auto;
  overflow: hidden;
  padding: 10px 0 16px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
}

.partner-marquee::before,
.partner-marquee::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: min(10vw, 120px);
  pointer-events: none;
  z-index: 2;
}

.partner-marquee::before {
  left: 0;
  background: linear-gradient(90deg, rgba(8,8,7,0.95), transparent);
}

.partner-marquee::after {
  right: 0;
  background: linear-gradient(270deg, rgba(8,8,7,0.95), transparent);
}

.partner-row {
  display: flex;
  width: 100%;
  overflow: hidden;
  transform: translate3d(0, 0, 0);
}

.partner-track {
  display: flex;
  flex: 0 0 auto;
  gap: 0;
  min-width: max-content;
  animation: partnerDrift var(--duration) linear infinite;
  will-change: transform;
}

.partner-row.reverse .partner-track {
  animation-name: partnerDriftReverse;
}

.partner-row:nth-child(1) .partner-track {
  animation-delay: -9s;
}

.partner-row:nth-child(2) .partner-track {
  animation-delay: -16s;
}

.partner-row:nth-child(3) .partner-track {
  animation-delay: -24s;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 clamp(188px, 15vw, 238px);
  height: clamp(76px, 6.1vw, 92px);
  margin-right: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(232,232,229,0.98));
  border-radius: 12px;
  border: 1px solid rgba(201,169,110,0.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.86), 0 12px 30px rgba(0,0,0,0.18);
  transition: transform 0.45s var(--ease-out), border-color 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out), opacity 0.45s var(--ease-out);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  isolation: isolate;
}

.partner-repeat {
  display: none;
}

.partner-logo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0%, rgba(201,169,110,0.12) 38%, rgba(255,255,255,0.34) 50%, transparent 62%);
  opacity: 0;
  transform: translateX(-42%);
  transition: opacity 0.45s ease, transform 0.7s var(--ease-out);
  z-index: 1;
}

.partner-logo:hover {
  border-color: rgba(201,169,110,0.38);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.92), 0 18px 34px rgba(0,0,0,0.24), 0 8px 20px rgba(201,169,110,0.1);
  transform: scale(1.025);
}

.partner-logo:hover::before {
  opacity: 1;
  transform: translateX(42%);
}

.partner-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.04);
  transition: transform 0.45s var(--ease-out), filter 0.45s var(--ease-out);
  position: relative;
  z-index: 0;
}

.partner-logo:hover img {
  filter: saturate(1.08) contrast(1.08);
  transform: scale(1.035);
}

.partner-cta {
  text-align: center;
}

@keyframes partnerDrift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

@keyframes partnerDriftReverse {
  from {
    transform: translate3d(-50%, 0, 0);
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .partner-track {
    animation-duration: 120s;
  }
}

/* ========== CONTACT ========== */
.contact {
  padding: 120px 0;
  background: #0a0a0a;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-left .section-tag {
  padding: 0;
}

.contact-left .section-tag::before,
.contact-left .section-tag::after {
  display: none;
}

.contact-left .title {
  text-align: left;
  margin-bottom: 20px;
}

.contact-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  line-height: 1.9;
  margin-bottom: 36px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-info-item svg {
  width: 20px;
  height: 20px;
  color: var(--brown-warm);
  flex-shrink: 0;
}

.contact-info-item span {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.5px;
}

.contact-form {
  background: rgba(255,255,255,0.03);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(201,169,110,0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--white);
  padding: 12px 16px;
  border: 1px solid rgba(201,169,110,0.2);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  outline: none;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B5E50' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ========== FOOTER ========== */
.footer {
  background: transparent;
  padding: 80px 0 0;
  color: rgba(255,255,255,0.6);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.footer-logo img {
  height: 40px;
  width: auto;
}

.footer-logo .logo-cn {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 3px;
}

.footer-logo .logo-en {
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 4px;
  color: var(--gold);
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 2px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h5 {
  font-family: Arial, sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  padding: 6px 0;
  transition: color 0.3s var(--ease-out);
  letter-spacing: 0.5px;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.copyright {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.5px;
  transition: color 0.3s var(--ease-out);
}

.footer-links a:hover {
  color: var(--gold);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .core-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .service-float-card {
    flex: 0 0 calc(50% - 12px);
  }

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

  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-left .title {
    text-align: center;
  }

  .about-left .section-tag {
    display: block;
    text-align: center;
  }

  .about-left {
    text-align: center;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-left .title {
    text-align: center;
  }

  .contact-left .section-tag {
    display: block;
    text-align: center;
  }

  .join-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .join-left .title {
    text-align: center;
  }

  .join-left .section-tag {
    display: block;
    text-align: center;
  }

  .partner-marquee {
    width: 100%;
    gap: 14px;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
  }

  .partner-track {
    gap: 0;
  }

  .partner-logo {
    flex-basis: 190px;
    height: 76px;
    margin-right: 14px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--black);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 0;
    transition: right 0.4s var(--ease-out);
    z-index: 5;
  }

  .nav.open {
    right: 0;
  }

  .nav a {
    color: rgba(255,255,255,0.7);
    padding: 14px 0;
    font-size: 16px;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .nav a:hover {
    color: var(--gold);
  }

  .nav a::after {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .login-btn {
    display: none;
  }

  .hero-line {
    font-size: 32px;
    letter-spacing: 4px;
  }

  .hero-line.accent {
    font-size: 22px;
    letter-spacing: 2px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .hero-actions .btn {
    width: 200px;
  }

  .core-grid {
    flex-direction: column;
    gap: 16px;
  }

  .core-item:hover {
    flex: 1;
  }

  .core-grid:hover .core-item:not(:hover) {
    flex: 1;
    opacity: 0.35;
  }

  .data-grid {
    flex-wrap: wrap;
  }

  .data-item {
    flex: 0 0 50%;
  }

  .data-divider {
    display: none;
  }

  .service-float-card {
    flex: 0 0 100%;
  }

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

  .team-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .info-tabs {
    flex-wrap: wrap;
  }

  .partner-marquee {
    gap: 12px;
  }

  .partner-track {
    gap: 0;
  }

  .partner-logo {
    flex-basis: 166px;
    height: 68px;
    margin-right: 12px;
    border-radius: 10px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 28px;
  }

  .footer-nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .about-right {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-inner {
    padding: 100px 0 60px;
  }

  .hero-badge {
    font-size: 11px;
    letter-spacing: 2px;
    padding: 6px 16px;
  }

  .data-item {
    flex: 0 0 50%;
    padding: 16px 8px;
  }

  .data-num {
    font-size: 36px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .title {
    font-size: 26px;
  }

  .section-desc {
    font-size: 14px;
  }

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

  .team-member {
    padding: 24px 16px;
  }

  .team-member h4 {
    font-size: 15px;
  }

  .team-member p {
    font-size: 13px;
  }

  .partner-marquee {
    gap: 10px;
  }

  .partner-track {
    gap: 0;
  }

  .partner-logo {
    flex-basis: 148px;
    height: 60px;
    margin-right: 10px;
  }
}

.about-tab-content .timeline-section {
  background: transparent;
  padding: 40px 0;
  overflow: visible;
}

.about-tab-content .timeline-section .timeline-phase {
  min-height: auto;
  padding: 60px 5%;
}

.about-tab-content .timeline-section .timeline-watermark {
  font-size: 10vw;
}

.about-tab-content .timeline-section .timeline-header {
  margin-bottom: 60px;
  opacity: 1;
  transform: none;
}

.about-tab-content .timeline-section .timeline-header.active .timeline-glow-line {
  height: 150px;
}

.about-tab-content .timeline-section .timeline-block {
  opacity: 1;
}

.about-tab-content .timeline-section .timeline-block.lit .timeline-dot,
.about-tab-content .timeline-section .timeline-dot {
  transform: translate(-50%, -50%) scale(1);
}

.about-tab-content .timeline-section .timeline-block.lit .timeline-branch {
  width: 6%;
}

/* ========== TIMELINE SECTION ========== */
.timeline-section {
  background: #0a0a0a;
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

.timeline-line-bg {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(201, 169, 110, 0.06);
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-phase {
  min-height: 100vh;
  width: 100%;
  position: relative;
  padding: 80px 5%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 18vw;
  font-weight: 900;
  color: rgba(201, 169, 110, 0.02);
  pointer-events: none;
  z-index: 0;
}

.timeline-header {
  text-align: center;
  margin-bottom: 80px;
  z-index: 10;
  opacity: 0;
  transform: translateY(30px);
  transition: all 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.timeline-header.active {
  opacity: 1;
  transform: translateY(0);
}

.timeline-header.active .dot-sep {
  filter: brightness(1.8);
  text-shadow: 0 0 15px var(--gold), 0 0 30px rgba(196, 168, 130, 0.6);
  transform: scale(1.1);
}

.timeline-glow-line {
  position: absolute;
  left: 50%;
  top: calc(100% + 8px);
  width: 1px;
  height: 0;
  background: linear-gradient(to bottom, var(--gold) 0%, rgba(196, 168, 130, 0.6) 50%, transparent 100%);
  transform: translateX(-50%);
  opacity: 0;
  transition: height 2s cubic-bezier(0.16, 1, 0.3, 1), opacity 1s ease;
  box-shadow: 0 0 12px rgba(196, 168, 130, 0.6);
  pointer-events: none;
  z-index: -1;
}

.timeline-header.active .timeline-glow-line {
  height: 54px;
  opacity: 0.6;
  transition-delay: 0.8s;
}

.timeline-tag {
  font-size: 10px;
  color: rgba(196, 168, 130, 0.5);
  letter-spacing: 6px;
  margin-bottom: 16px;
  display: block;
  transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-header.active .timeline-tag {
  color: var(--gold);
}

.timeline-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 600;
  margin-bottom: 16px;
}

.gold-text {
  background: linear-gradient(135deg, #e5d2b8 0%, #c4a882 50%, #a68a64 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.dot-sep {
  transition: all 1s ease;
  filter: brightness(0.2);
  display: inline-block;
  margin: 0 0.3em;
}

.timeline-subtitle {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 3px;
  font-weight: 300;
}

.timeline-blocks {
  width: 100%;
  max-width: 1100px;
  position: relative;
  z-index: 10;
}

.timeline-block {
  width: 100%;
  display: flex;
  margin-bottom: 80px;
  position: relative;
  align-items: center;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.timeline-block.lit {
  opacity: 1;
}

/* ========== ABOUT SECTION ========== */
.about {
  background: transparent;
  padding: 70px 0 28px;
  position: relative;
  overflow: visible;
  height: auto;
  min-height: 0;
}

.about-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.about-orb {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,110,0.08) 0%, transparent 70%);
  animation: orbFloat 15s ease-in-out infinite;
}

.about-orb:nth-child(1) { width: 500px; height: 500px; top: -150px; right: -100px; animation-delay: 0s; }
.about-orb:nth-child(2) { width: 400px; height: 400px; bottom: -100px; left: -50px; animation-delay: -5s; animation-duration: 18s; }
.about-orb:nth-child(3) { width: 300px; height: 300px; top: 50%; left: 30%; transform: translateY(-50%); animation-delay: -10s; animation-duration: 20s; }

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -40px); }
}

.about .container {
  position: relative;
  z-index: 1;
}

.about-content {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.about-header {
  margin-bottom: 48px;
}

.about-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.about-title {
  font-family: Arial, sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  color: rgb(212, 188, 138);
  letter-spacing: 4px;
  margin-bottom: 0;
}

.about-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.about-tab {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  padding: 12px 28px;
  border: 1px solid rgba(201,169,110,0.15);
  border-radius: 50px;
  background: transparent;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  letter-spacing: 1px;
}

.about-tab:hover {
  color: rgba(255,255,255,0.7);
  border-color: rgba(201,169,110,0.3);
}

.about-tab.active {
  color: var(--black);
  background: var(--gold);
  border-color: var(--gold);
}

.about-tab-content {
  display: none;
  text-align: left;
}

.about-tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.about-text-block {
  margin-bottom: 24px;
}

.about-text {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 2;
  letter-spacing: 0.5px;
}

.about-intro {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto 80px;
}

.about-intro .about-text {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 2;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  text-align: center;
}

/* Timeline Section */
.timeline-section {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 0 24px;
  background-color: transparent;
  overflow: visible;
  height: auto;
  min-height: 0;
}

.timeline-progress {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  z-index: 5;
  pointer-events: none;
}

/* Timeline Flow Line - Section Relative */
.timeline-section .timeline-flow-line {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, transparent 0%, var(--gold) 20%, var(--gold) 80%, transparent 100%);
  box-shadow: 0 0 15px rgba(201, 169, 110, 0.4);
  transform: translateX(-50%);
  z-index: 2;
  pointer-events: none;
  opacity: 0.3;
}

.timeline-section .timeline-flow-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, rgba(201, 169, 110, 0.6), transparent);
  filter: blur(8px);
}

.timeline-line-bg {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(196, 168, 130, 0.08);
  transform: translateX(-50%);
  z-index: 0;
}

.timeline-phase {
  position: relative;
  margin-bottom: 56px;
  min-height: auto;
  padding: 52px 5% 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-phase:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
}

.timeline-header {
  text-align: center;
  margin-bottom: 42px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  z-index: 10;
}

.timeline-header.active {
  opacity: 1;
  transform: translateY(0);
}

.timeline-glow-line {
  position: absolute;
  left: 50%;
  top: calc(100% + 8px);
  width: 1px;
  height: 0;
  background: linear-gradient(to bottom, var(--gold) 0%, rgba(196, 168, 130, 0.6) 50%, transparent 100%);
  transform: translateX(-50%);
  opacity: 0;
  transition: height 2s cubic-bezier(0.16, 1, 0.3, 1), opacity 1s ease;
  box-shadow: 0 0 12px rgba(196, 168, 130, 0.6);
  pointer-events: none;
  z-index: -1;
}

.timeline-header.active .timeline-glow-line {
  height: 54px;
  opacity: 0.8;
  transition-delay: 0.8s;
}

.timeline-glow-line {
  overflow: hidden;
}

.timeline-glow-line::after {
  content: '';
  position: absolute;
  left: 50%;
  top: -45%;
  width: 3px;
  height: 42%;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, transparent, rgba(255, 242, 200, 0.95), transparent);
  filter: blur(0.5px);
  opacity: 0;
  pointer-events: none;
}

.timeline-header.active .timeline-glow-line::after {
  opacity: 1;
  animation: timelineGlowSweep 1.9s cubic-bezier(0.65, 0, 0.35, 1) infinite;
  animation-delay: 1.1s;
}

@keyframes timelineGlowSweep {
  0% {
    top: -45%;
  }
  100% {
    top: 105%;
  }
}

.timeline-tag {
  display: block;
  font-size: 10px;
  color: rgba(201, 169, 110, 0.5);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.timeline-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 600;
  color: var(--white);
  letter-spacing: 4px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.gold-text {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #e5d2b8 0%, #c4a882 50%, #a68a64 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dot-sep {
  color: var(--gold);
  opacity: 0.6;
}

.timeline-subtitle {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 2px;
}

.timeline-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 20vw;
  font-weight: 900;
  color: rgba(196, 168, 130, 0.015);
  pointer-events: none;
  z-index: 0;
}

.timeline-blocks {
  width: 100%;
  position: relative;
  z-index: 10;
}

.timeline-block {
  width: 100%;
  display: flex;
  margin-bottom: 38px;
  position: relative;
  align-items: center;
}

.timeline-block.left { justify-content: flex-start; }
.timeline-block.right { justify-content: flex-end; }

.timeline-block::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border: 2px solid #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  z-index: 6;
  transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.timeline-block.lit::before {
  transform: translate(-50%, -50%) scale(1);
  transition-delay: 0.2s;
  box-shadow: 0 0 20px var(--gold), 0 0 40px rgba(196, 168, 130, 0.6);
  animation: dotPulse 2s infinite ease-in-out 0.8s;
}

.timeline-block .timeline-branch {
  position: absolute;
  top: 50%;
  height: 2px;
  width: 0;
  background: linear-gradient(to right, var(--gold), transparent);
  opacity: 0;
  z-index: 4;
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  transform: translateY(-50%);
}

.timeline-block.left .timeline-branch {
  right: 50%;
  background: linear-gradient(to left, var(--gold), transparent);
}

.timeline-block.right .timeline-branch {
  left: 50%;
  background: linear-gradient(to right, var(--gold), transparent);
}

.timeline-block.lit .timeline-branch {
  width: 6%;
  opacity: 0.8;
  transition-delay: 0.3s;
}

.timeline-card {
  width: 44%;
  padding: 30px 40px;
  position: relative;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(196, 168, 130, 0.1);
  transition: all 0.8s ease;
  backdrop-filter: blur(5px);
}

.timeline-block.lit .timeline-card {
  background: rgba(196, 168, 130, 0.12);
  border-color: rgba(196, 168, 130, 0.4);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

.timeline-card .card-border {
  position: absolute;
  top: -1px;
  left: -1px;
  width: calc(100% + 2px);
  height: calc(100% + 2px);
  fill: none;
  pointer-events: none;
}

.timeline-card .card-border rect {
  stroke: var(--gold);
  stroke-width: 1.5px;
  stroke-dasharray: 2500;
  stroke-dashoffset: 2500;
  transition: stroke-dashoffset 2s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-block.lit .card-border rect {
  stroke-dashoffset: 0;
}

.timeline-card .card-content {
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.8s ease;
}

.timeline-block.lit .card-content {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.5s;
}

.timeline-card .card-time {
  color: var(--gold);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.timeline-card .card-time::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px var(--gold);
}

.timeline-card p {
  text-align: left;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  font-weight: 300;
  font-size: 14px;
}

.timeline-card .highlight {
  color: var(--gold);
  font-weight: 400;
}

@media (max-width: 768px) {
  .timeline-progress, .timeline-line-bg, .timeline-block::before { left: 20px; transform: none; }
  .timeline-block .timeline-branch { left: 20px !important; right: auto !important; width: 0 !important; }
  .timeline-card { width: calc(100% - 60px); margin-left: 60px; padding: 25px; }
  .timeline-block { justify-content: flex-start !important; }
  .timeline-block.lit .timeline-branch { width: 40px; }
  .timeline-header { margin-bottom: 40px; }
  .timeline-phase { margin-bottom: 10px; }
}

@media (max-width: 768px) {
  .about-tabs {
    flex-wrap: wrap;
    gap: 12px;
  }
  .about-tab {
    font-size: 12px;
    padding: 10px 20px;
  }
}

.timeline-block.left { justify-content: flex-start; }
.timeline-block.right { justify-content: flex-end; }

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border: 2px solid #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  z-index: 6;
  transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.timeline-block.lit .timeline-dot {
  transform: translate(-50%, -50%) scale(1);
  transition-delay: 0.2s;
  box-shadow: 0 0 20px var(--gold), 0 0 40px rgba(196, 168, 130, 0.6);
  animation: dotPulse 2s infinite ease-in-out 0.8s;
}

@keyframes dotPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 15px var(--gold); }
  50% { transform: translate(-50%, -50%) scale(1.3); box-shadow: 0 0 25px var(--gold), 0 0 45px rgba(196, 168, 130, 0.6); }
}

.timeline-branch {
  position: absolute;
  top: 50%;
  height: 2px;
  width: 0;
  background: linear-gradient(to right, var(--gold), transparent);
  opacity: 0;
  z-index: 4;
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.timeline-block.lit .timeline-branch {
  width: 6%;
  opacity: 0.8;
  transition-delay: 0.3s;
}

.timeline-block.left .timeline-branch {
  right: 50%;
  background: linear-gradient(to left, var(--gold), transparent);
}

.timeline-card {
  width: 44%;
  padding: 24px 32px;
  position: relative;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(196, 168, 130, 0.1);
  transition: all 0.8s ease;
  backdrop-filter: blur(5px);
}

.timeline-block.lit .timeline-card {
  background: rgba(196, 168, 130, 0.08);
  border-color: rgba(196, 168, 130, 0.3);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.card-border {
  position: absolute;
  top: -1px;
  left: -1px;
  width: calc(100% + 2px);
  height: calc(100% + 2px);
  fill: none;
  pointer-events: none;
}

.trace-path {
  stroke: var(--gold);
  stroke-width: 1.5px;
  stroke-dasharray: 2500;
  stroke-dashoffset: 2500;
  transition: stroke-dashoffset 2s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-block.lit .trace-path {
  stroke-dashoffset: 0;
}

.card-content {
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.8s ease;
}

.timeline-block.lit .card-content {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.5s;
}

.card-time {
  color: var(--gold);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-time::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px var(--gold);
}

.card-content p {
  text-align: left;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  font-weight: 300;
  font-size: 14px;
}

.highlight {
  color: var(--gold);
  font-weight: 400;
}

@media (max-width: 768px) {
  .timeline-progress, .timeline-line-bg, .timeline-dot { left: 20px; transform: none; }
  .timeline-branch { left: 20px !important; right: auto !important; width: 0 !important; }
  .timeline-card { width: calc(100% - 60px); margin-left: 60px; padding: 20px; }
  .timeline-block { justify-content: flex-start !important; }
  .timeline-block.lit .timeline-branch { width: 40px; }
  .timeline-phase { padding: 40px 5% 60px; margin-bottom: 10px; }
}

/* ========== STACK CARDS ========== */
.stack-wrapper {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  height: calc(100vh * 5);
}

.stack-container {
  position: relative;
  width: 100%;
}

.stack-card-wrapper {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  margin-bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), filter 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.stack-card-wrapper.active {
  z-index: 10;
  transform: scale(1);
}

.stack-card-wrapper.covered {
  transform: scale(0.92);
  filter: brightness(0.7) blur(1px);
  z-index: 5;
}

.stack-card-content {
  height: 100%;
  width: 100%;
  background: linear-gradient(165deg, rgba(26, 26, 26, 1) 0%, rgba(13, 13, 13, 1) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 32px;
  padding: 3rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stack-card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(184, 148, 94, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.stack-card-number {
  position: absolute;
  top: 2rem;
  right: 4rem;
  font-size: 8rem;
  font-weight: 900;
  background: linear-gradient(to bottom, rgba(184, 148, 94, 0.15), transparent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 0.8;
  user-select: none;
  opacity: 0.6;
}

.stack-card-title {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.stack-card-tagline {
  font-size: 1.25rem;
  color: #b8945e;
  margin-bottom: 2rem;
  font-weight: 300;
}

.stack-card-desc {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  font-size: 1.125rem;
  max-width: 48rem;
}

.stack-card-tags {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(184, 148, 94, 0.1);
}

.stack-card-tags span {
  font-size: 0.875rem;
  color: rgba(184, 148, 94, 0.6);
  padding: 0.375rem 1rem;
  background: rgba(184, 148, 94, 0.05);
  border-radius: 9999px;
}

/* ========== STATS SECTION ========== */
.stats-section {
  background: transparent;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 30% 50% at 15% 50%, rgba(201, 169, 110, 0.03) 0%, transparent 70%),
    radial-gradient(ellipse 30% 50% at 85% 50%, rgba(201, 169, 110, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.stats-bg-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.15), transparent);
}

.stats-bg-line::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.15), transparent);
}

.stats-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 80px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.stats-grid::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 40px;
  right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.08), transparent);
  transform: translateY(-50%);
}

.stat-card {
  text-align: center;
  padding: 60px 24px;
  position: relative;
  cursor: default;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-right: 1px solid rgba(201, 169, 110, 0.06);
}

.stat-card:last-child {
  border-right: none;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stat-card:hover::before {
  width: 60%;
}

.stat-card:hover {
  background: rgba(201, 169, 110, 0.02);
}

.stat-card:hover .stat-num {
  text-shadow: 0 0 60px rgba(201, 169, 110, 0.6);
  transform: scale(1.08);
}

.stat-card:hover .stat-label {
  color: rgba(255, 255, 255, 0.8);
}

.stat-num-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  margin-bottom: 24px;
}

.stat-num {
  font-family: Arial, sans-serif;
  font-size: 72px;
  font-weight: 200;
  color: var(--gold);
  letter-spacing: -3px;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: inline-block;
}

.stat-suffix {
  font-family: Arial, sans-serif;
  font-size: 20px;
  font-weight: 300;
  color: rgba(201, 169, 110, 0.6);
  letter-spacing: 2px;
}

.stat-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.8;
  letter-spacing: 1px;
  max-width: 180px;
  margin: 0 auto;
  transition: color 0.4s ease;
}

.stat-line {
  display: none;
}

@keyframes statPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.stat-card.active .stat-num {
  animation: statPulse 3s ease-in-out infinite;
}

.stat-card:nth-child(2).active .stat-num { animation-delay: 0.3s; }
.stat-card:nth-child(3).active .stat-num { animation-delay: 0.6s; }
.stat-card:nth-child(4).active .stat-num { animation-delay: 0.9s; }
.stat-card:nth-child(5).active .stat-num { animation-delay: 1.2s; }

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .stat-card:nth-child(3) {
    border-right: none;
  }
  .stat-card:nth-child(3)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-num {
    font-size: 56px;
  }
}

/* ========== MAP SECTION ========== */
.map-section {
  background: #0a0a0a;
  position: relative;
  overflow: hidden;
  height: 70vh;
}

.map-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

#mapMain {
  width: 100%;
  height: 100%;
}

.map-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 3px;
  animation: mapFade 2s ease-in-out infinite;
  z-index: 100;
}

@keyframes mapFade {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.map-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.map-city-info {
  position: absolute;
  left: 80px;
  top: 50%;
  transform: translateY(-50%) translateX(-30px) scale(0.95);
  pointer-events: auto;
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.map-city-info.active {
  opacity: 1;
  transform: translateY(-50%) translateX(0) scale(1);
}

.city-content {
  background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(5, 5, 5, 0.9) 100%);
  border: 1px solid rgba(201, 169, 110, 0.1);
  padding: 40px 48px;
  border-radius: 4px;
  backdrop-filter: blur(40px);
  max-width: 420px;
  position: relative;
  overflow: hidden;
}

.city-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 169, 110, 0.2), transparent);
}

.city-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s;
}

.map-city-info.active .city-header {
  opacity: 1;
  transform: translateY(0);
}

.city-index {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 2px;
}

.city-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(201, 169, 110, 0.3), transparent);
  max-width: 80px;
}

.city-cn {
  font-family: Arial, sans-serif;
  font-size: 36px;
  font-weight: 400;
  color: #e5d1b1;
  letter-spacing: 6px;
  margin-bottom: 6px;
}

.city-en {
  font-size: 10px;
  color: rgba(201, 169, 110, 0.4);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.city-tag {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid rgba(201, 169, 110, 0.3);
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 3px;
  margin-bottom: 24px;
}

.city-desc {
  font-size: 14px;
  color: rgba(229, 209, 177, 0.6);
  line-height: 1.9;
  font-weight: 300;
}

.map-data-strip {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 10, 0.8) 40%, #0a0a0a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0 80px;
  pointer-events: auto;
}

.map-data-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 100px;
  height: 100%;
}

.map-data-divider {
  width: 1px;
  height: 50px;
  background: linear-gradient(180deg, transparent, rgba(201, 169, 110, 0.2), transparent);
}

.map-data-item .data-num {
  font-family: Arial, sans-serif;
  font-size: 48px;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 2px;
}

.map-data-item .data-unit {
  font-family: Arial, sans-serif;
  font-size: 18px;
  color: rgba(201, 169, 110, 0.7);
  letter-spacing: 1px;
}

.map-data-item .data-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-left: 12px;
}

.map-progress {
  position: absolute;
  right: 80px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 28px;
  z-index: 15;
}

.map-dot-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
}

.map-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(201, 169, 110, 0.15);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.map-dot.active {
  background: var(--gold);
  transform: scale(2.5);
  box-shadow: 0 0 24px var(--gold);
}

.map-progress-ring {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(201, 169, 110, 0.15);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s;
}

.map-dot.active + .map-progress-ring {
  opacity: 1;
}

/* ========== HISTORY TIMELINE ========== */
.history-timeline {
  position: relative;
  padding: 60px 0;
}

.history-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(201, 169, 110, 0.15) 10%, rgba(201, 169, 110, 0.15) 90%, transparent);
  transform: translateX(-50%);
}

.history-phase {
  position: relative;
  margin-bottom: 80px;
}

.history-phase:last-child {
  margin-bottom: 0;
}

.history-phase-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.history-phase-header::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px var(--gold);
  z-index: 5;
}

.history-phase-tag {
  display: block;
  font-size: 10px;
  color: rgba(201, 169, 110, 0.4);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.history-phase-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 4px;
  margin-bottom: 12px;
}

.history-phase-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 2px;
}

.history-watermark {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 80px;
  font-weight: 900;
  color: rgba(201, 169, 110, 0.03);
  letter-spacing: 4px;
  pointer-events: none;
  z-index: 0;
}

.history-blocks {
  position: relative;
  z-index: 1;
}

.history-block {
  display: flex;
  align-items: flex-start;
  margin-bottom: 40px;
  position: relative;
}

.history-block:last-child {
  margin-bottom: 0;
}

.history-block.left {
  justify-content: flex-start;
  padding-right: calc(50% + 40px);
}

.history-block.right {
  justify-content: flex-end;
  padding-left: calc(50% + 40px);
}

.history-dot {
  position: absolute;
  left: 50%;
  top: 24px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border: 2px solid var(--black);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 15px var(--gold);
  z-index: 5;
  transition: all 0.5s ease;
}

.history-block:hover .history-dot {
  transform: translateX(-50%) scale(1.5);
  box-shadow: 0 0 25px var(--gold);
}

.history-branch {
  position: absolute;
  top: 50%;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--gold), transparent);
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.history-block.left .history-branch {
  left: 50%;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.history-block.right .history-branch {
  right: 50%;
  background: linear-gradient(270deg, var(--gold), transparent);
}

.history-block:hover .history-branch {
  width: 40px;
}

.history-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(201, 169, 110, 0.1);
  padding: 28px 32px;
  position: relative;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 400px;
}

.history-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 169, 110, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.history-block:hover .history-card {
  background: rgba(201, 169, 110, 0.05);
  border-color: rgba(201, 169, 110, 0.25);
  transform: translateY(-4px);
}

.history-block:hover .history-card::before {
  opacity: 1;
}

.history-time {
  font-size: 14px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.history-time::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--gold);
}

.history-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  font-weight: 300;
}

.history-card .highlight {
  color: var(--gold);
}

@media (max-width: 768px) {
  .history-line {
    left: 20px;
  }

  .history-phase-header::before {
    left: 20px;
  }

  .history-block.left,
  .history-block.right {
    padding-left: 60px;
    padding-right: 0;
    justify-content: flex-start;
  }

  .history-dot {
    left: 20px;
  }

  .history-branch {
    left: 20px !important;
    right: auto !important;
  }

  .history-block:hover .history-branch {
    width: 30px;
  }

  .history-card {
    max-width: 100%;
  }

  .history-watermark {
    font-size: 48px;
  }
}

/* ========== FONT UPDATES ========== */

/* Team Section Title */
section#team .section-header .title {
  font-family: Arial, sans-serif;
  color: transparent;
  background-image: linear-gradient(90deg, #E4D9D0, #C9A96E, #FFF2C8, #9A7350, #E4D9D0);
  background-size: 300% 100%;
  background-repeat: repeat;
  background-position: 0% 50%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: heroTitleGradientFlow 3.8s ease-in-out infinite alternate;
}

/* Team Member Positions */
section#team .team-member h4 {
  font-family: Arial, sans-serif;
}

/* Advantage Section Title */
section#advantage .section-header .title {
  font-family: Arial, sans-serif;
  color: transparent;
  background-image: linear-gradient(90deg, #E4D9D0, #C9A96E, #FFF2C8, #9A7350, #E4D9D0);
  background-size: 300% 100%;
  background-repeat: repeat;
  background-position: 0% 50%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: heroTitleGradientFlow 3.8s ease-in-out infinite alternate;
}

/* Advantage Card Titles */
section#advantage .advantage-card h3 {
  font-family: Arial, sans-serif;
  font-size: 17px;
}

/* Advantage Card Numbers */
section#advantage .advantage-card:nth-child(1) .advantage-num,
section#advantage .advantage-card:nth-child(2) .advantage-num,
section#advantage .advantage-card:nth-child(3) .advantage-num,
section#advantage .advantage-card:nth-child(4) .advantage-num,
section#advantage .advantage-card:nth-child(5) .advantage-num,
section#advantage .advantage-card:nth-child(6) .advantage-num {
  font-family: Arial, sans-serif;
}

/* Info Section Title */
section#info .section-header .title {
  font-family: Arial, sans-serif;
  color: transparent;
  background-image: linear-gradient(90deg, #E4D9D0, #C9A96E, #FFF2C8, #9A7350, #E4D9D0);
  background-size: 300% 100%;
  background-repeat: repeat;
  background-position: 0% 50%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: heroTitleGradientFlow 3.8s ease-in-out infinite alternate;
}

/* Info Card Titles */
section#info .info-card .info-card-body h4 {
  font-family: Arial, sans-serif;
}

/* Partner Section Title */
section#partner .section-header .title {
  font-family: Arial, sans-serif;
  color: transparent;
  background-image: linear-gradient(90deg, #E4D9D0, #C9A96E, #FFF2C8, #9A7350, #E4D9D0);
  background-size: 300% 100%;
  background-repeat: repeat;
  background-position: 0% 50%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: heroTitleGradientFlow 3.8s ease-in-out infinite alternate;
}

/* ========== GLOBAL PAGE BACKGROUND ========== */
.page-background {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background: #0a0a0a;
}

.page-orbs {
  position: absolute;
  inset: 0;
}

.page-orb {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,169,110,0.15) 0%, transparent 70%);
  filter: blur(1px);
  will-change: transform;
}

.page-orb:nth-child(1) {
  width: 600px;
  height: 600px;
  top: -200px;
  left: -150px;
  animation: pageOrbFloat1 25s ease-in-out infinite;
  background: radial-gradient(circle, rgba(201,169,110,0.12) 0%, transparent 70%);
}

.page-orb:nth-child(2) {
  width: 500px;
  height: 500px;
  top: 30%;
  right: -200px;
  animation: pageOrbFloat2 30s ease-in-out infinite;
  background: radial-gradient(circle, rgba(196,168,130,0.1) 0%, transparent 70%);
}

.page-orb:nth-child(3) {
  width: 450px;
  height: 450px;
  bottom: -100px;
  left: 20%;
  animation: pageOrbFloat3 22s ease-in-out infinite;
  background: radial-gradient(circle, rgba(201,169,110,0.08) 0%, transparent 70%);
}

@keyframes pageOrbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(80px, 50px) scale(1.05); }
  50% { transform: translate(40px, 100px) scale(0.95); }
  75% { transform: translate(100px, 60px) scale(1.08); }
}

@keyframes pageOrbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-60px, 80px) scale(1.1); }
  66% { transform: translate(-100px, 30px) scale(0.92); }
}

@keyframes pageOrbFloat3 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(60px, -80px) rotate(10deg); }
}

.page-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(201,169,110,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,110,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  animation: pageGridDrift 60s linear infinite;
}

@keyframes pageGridDrift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(80px, 80px); }
}

/* 隐藏各section原有的about-bg背景 */
.about-bg {
  display: none;
}