/* ===== CSS VARIABLES ===== */
:root {
  /* 品牌主色：深藍灰（商標深色） */
  --brand:       #343D46;
  --brand-light: #4A5568;
  --brand-dark:  #1E2530;

  /* 品牌輔色：淺金色（商標金色） */
  --gold:        #D9BC8F;
  --gold-light:  #EDD5A3;
  --gold-dark:   #B89A6A;

  /* 舊金色別名（確保舊 CSS 不斷線） */
  --black: #0a0a0a;
  --dark:  #0d1117;
  --dark2: #141b24;
  --dark3: #1c2533;
  --gray:  #7a8a9a;
  --light: #e8edf3;
  --white: #ffffff;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.3s ease;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.5);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
  overflow-x: hidden;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; font-family: var(--font); }
input, select, textarea {
  font-family: var(--font);
  background: var(--dark3);
  border: 1px solid #333;
  color: var(--white);
  padding: 12px 16px;
  border-radius: var(--radius);
  width: 100%;
  transition: var(--transition);
  font-size: 14px;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(52,61,70,0.4);
}
select option { background: var(--dark2); }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ===== NAVIGATION ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13,17,23,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(52,61,70,0.6);
  box-shadow: 0 1px 0 rgba(217,188,143,0.08);
  transition: var(--transition);
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}
.nav-item {
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  color: #aaa;
  transition: var(--transition);
  display: block;
}
.nav-item:hover, .nav-item.active { color: var(--gold); }
.btn-login {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--black) !important;
  font-weight: 700;
  padding: 8px 20px;
}
.btn-login:hover { opacity: 0.9; transform: translateY(-1px); }
.nav-right { display: flex; align-items: center; gap: 16px; }
.lang-switcher { display: flex; gap: 4px; }
.lang-btn {
  background: transparent;
  color: #666;
  border: 1px solid #333;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  transition: var(--transition);
}
.lang-btn.active, .lang-btn:hover {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
  font-weight: 700;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold);
  transition: var(--transition);
}

/* ===== PAGES ===== */
.page { display: none; min-height: 100vh; padding-top: 72px; }
.page.active { display: block; }

/* ===== BUTTONS ===== */
.btn-primary {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--black);
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 15px;
  transition: var(--transition);
  display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(217,188,143,0.4); }
.btn-outline {
  background: transparent;
  color: var(--gold);
  font-weight: 600;
  padding: 13px 31px;
  border-radius: var(--radius);
  font-size: 15px;
  border: 1.5px solid var(--gold);
  transition: var(--transition);
  display: inline-block;
}
.btn-outline:hover { background: var(--gold); color: var(--black); }
.btn-large { padding: 18px 48px; font-size: 16px; }
.btn-full { width: 100%; text-align: center; }

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

/* ===== SECTION HEADERS ===== */
.section-tag {
  display: inline-block;
  background: rgba(52,61,70,0.35);
  color: var(--gold);
  border: 1px solid rgba(217,188,143,0.3);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--white), #aaa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-header p { color: var(--gray); font-size: 16px; max-width: 500px; margin: 0 auto; }

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(52,61,70,0.5) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 80% 80%, rgba(217,188,143,0.06) 0%, transparent 60%),
              var(--black);
}
#particleCanvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}
.hero-logo {
  margin-bottom: 28px;
  animation: float 4s ease-in-out infinite;
}
.hero-logo img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  border-radius: 50%;
  background: #ffffff;
  padding: 16px;
  box-shadow:
    0 0 0 2px rgba(217,188,143,0.5),
    0 0 0 6px rgba(217,188,143,0.1),
    0 0 50px rgba(217,188,143,0.25),
    0 0 100px rgba(52,61,70,0.5);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero-badge {
  display: inline-block;
  background: rgba(52,61,70,0.4);
  border: 1px solid rgba(217,188,143,0.4);
  color: var(--gold-light);
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 20px;
  animation: fadeInDown 1s ease 0.2s both;
}
.hero-title {
  margin-bottom: 20px;
  animation: fadeInUp 1s ease 0.4s both;
}
.company-zh {
  display: block;
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  background: linear-gradient(135deg, var(--white), #ccc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  margin-bottom: 8px;
}
.company-en {
  display: block;
  font-size: clamp(14px, 2.5vw, 22px);
  font-weight: 600;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 4px;
}
.hero-slogan {
  font-size: clamp(16px, 2.5vw, 22px);
  color: #bbb;
  margin-bottom: 40px;
  animation: fadeInUp 1s ease 0.6s both;
  font-style: italic;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.8s both;
}
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.scroll-dot {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: scrollBounce 2s ease-in-out infinite;
  margin: 0 auto;
}
.scroll-dot::before {
  content: '';
  display: block;
  width: 20px;
  height: 30px;
  border: 2px solid rgba(217,188,143,0.4);
  border-radius: 10px;
  margin: -12px -7px;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.5; }
}

/* ===== STATS ===== */
.stats-section {
  padding: 60px 0;
  background: var(--dark2);
  border-top: 1px solid rgba(52,61,70,0.35);
  border-bottom: 1px solid rgba(52,61,70,0.35);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item { padding: 20px; }
.stat-number {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 14px; color: var(--gray); font-weight: 500; letter-spacing: 1px; }

/* ===== SERVICES PREVIEW ===== */
.services-preview { padding: 100px 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.35);
  border-radius: 12px;
  padding: 32px 24px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(52,61,70,0.2), transparent);
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold);
  box-shadow: 0 20px 40px rgba(52,61,70,0.4);
}
.service-card:hover::before { opacity: 1; }
.service-icon { font-size: 40px; margin-bottom: 16px; }
.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
}
.service-card p { font-size: 14px; color: var(--gray); line-height: 1.7; }
.card-arrow {
  position: absolute;
  bottom: 24px;
  right: 24px;
  color: var(--gold);
  font-size: 20px;
  opacity: 0;
  transition: var(--transition);
  transform: translateX(-8px);
}
.service-card:hover .card-arrow { opacity: 1; transform: translateX(0); }

/* ===== WHY US ===== */
.why-us { padding: 100px 0; background: var(--dark2); }
.why-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.why-text h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}
.why-text p { color: var(--gray); margin-bottom: 32px; line-height: 1.8; }
.why-features { display: flex; flex-direction: column; gap: 24px; }
.feature-item { display: flex; gap: 20px; align-items: flex-start; }
.feature-icon { color: var(--gold); font-size: 20px; margin-top: 2px; flex-shrink: 0; }
.feature-item strong { display: block; font-size: 16px; margin-bottom: 6px; color: var(--white); }
.feature-item p { font-size: 14px; color: var(--gray); }

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 100px 24px;
  text-align: center;
  background: linear-gradient(135deg, rgba(52,61,70,0.25), rgba(52,61,70,0.1));
  border-top: 1px solid rgba(52,61,70,0.4);
  overflow: visible;
}
.cta-section h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  margin-bottom: 16px;
  padding: 0 20px;
  line-height: 1.3;
}
.cta-section p { color: var(--gray); margin-bottom: 40px; font-size: 16px; }

/* ===== PAGE HERO ===== */
.page-hero {
  padding: 80px 24px 60px;
  text-align: center;
  background:
    radial-gradient(ellipse 100% 80% at 50% 0%, rgba(52,61,70,0.5) 0%, transparent 70%),
    linear-gradient(180deg, rgba(20,27,36,0.8) 0%, transparent 100%);
  border-bottom: 1px solid rgba(52,61,70,0.5);
  position: relative;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217,188,143,0.4), transparent);
}
.page-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  background: linear-gradient(135deg, var(--white) 30%, var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}
.page-hero p { color: var(--gray); font-size: 16px; }

/* ===== ABOUT ===== */
.about-content { padding: 80px 0; }
.about-intro { max-width: 900px; margin: 0 auto 80px; }
.about-intro h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.about-intro p { color: #bbb; margin-bottom: 16px; line-height: 1.9; font-size: 16px; }

.about-pillars { margin-bottom: 80px; }
.about-pillars h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  text-align: center;
  margin-bottom: 48px;
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.pillar-card {
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.35);
  border-radius: 12px;
  padding: 36px 28px;
  transition: var(--transition);
}
.pillar-card:hover {
  border-color: rgba(217,188,143,0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}
.pillar-num {
  font-size: 48px;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(217,188,143,0.4), rgba(52,61,70,0.35));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
  line-height: 1;
}
.pillar-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 12px;
}
.pillar-card p { color: #aaa; line-height: 1.8; font-size: 14px; }

.about-vision { max-width: 900px; margin: 0 auto; }
.about-vision h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  text-align: center;
  margin-bottom: 40px;
}
.vision-quote {
  background: linear-gradient(135deg, rgba(52,61,70,0.25), rgba(52,61,70,0.1));
  border-left: 4px solid var(--gold);
  border-radius: 0 12px 12px 0;
  padding: 32px 40px;
  margin-bottom: 60px;
}
.vision-quote blockquote {
  font-size: 18px;
  font-style: italic;
  color: #ccc;
  line-height: 1.8;
}

/* TIMELINE */
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), transparent);
}
.timeline-item {
  position: relative;
  padding: 0 0 48px 40px;
  display: flex;
  gap: 24px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -35px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 12px var(--gold);
}
.timeline-year {
  font-size: 32px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  min-width: 80px;
  line-height: 1;
  padding-top: 4px;
}
.timeline-content h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--white);
}
.timeline-content p { color: var(--gray); font-size: 14px; line-height: 1.7; }

/* ===== SERVICES DETAIL ===== */
.services-detail { padding: 80px 0; }
.service-detail-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 80px;
  padding: 48px;
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.35);
  border-radius: 16px;
  transition: var(--transition);
}
.service-detail-item:hover { border-color: rgba(217,188,143,0.3); }
.service-detail-item.reverse { direction: rtl; }
.service-detail-item.reverse .sdi-content { direction: ltr; }
.sdi-icon { font-size: 80px; text-align: center; }
.sdi-content h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sdi-sub { color: var(--gray); font-size: 13px; letter-spacing: 1px; margin-bottom: 20px; }
.sdi-content > p { color: #bbb; margin-bottom: 20px; line-height: 1.8; }
.sdi-content ul { list-style: none; padding: 0; }
.sdi-content ul li {
  padding: 10px 0 10px 24px;
  position: relative;
  color: #aaa;
  font-size: 14px;
  line-height: 1.7;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.sdi-content ul li:last-child { border-bottom: none; }
.sdi-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 12px;
}

/* ===== CONTACT ===== */
.contact-section { padding: 80px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}
.contact-card {
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.4);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  margin-bottom: 24px;
}
.contact-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--black);
  font-size: 22px;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.contact-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.contact-card p { color: var(--gray); font-size: 13px; margin-bottom: 20px; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: #bbb;
}
.contact-detail:last-child { border-bottom: none; }
.contact-hours {
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.35);
  border-radius: 12px;
  padding: 24px;
}
.contact-hours h4 { color: var(--gold); margin-bottom: 10px; font-size: 14px; }
.contact-hours p { font-size: 13px; color: var(--gray); line-height: 1.6; }
.contact-form {
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.35);
  border-radius: 16px;
  padding: 48px;
}
.contact-form h3 { font-size: 24px; font-weight: 700; margin-bottom: 32px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; color: var(--gray); margin-bottom: 8px; font-weight: 500; }

/* ===== LOGIN ===== */
.login-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, rgba(52,61,70,0.25) 0%, var(--black) 70%);
}
.login-container {
  width: 100%;
  max-width: 420px;
  padding: 24px;
}
.login-brand {
  text-align: center;
  margin-bottom: 40px;
}
.login-brand h2 {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 12px;
  letter-spacing: 2px;
}
.login-brand p { color: var(--gray); font-size: 14px; margin-top: 6px; }
.login-form {
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.4);
  border-radius: 16px;
  padding: 40px;
}
.login-error {
  color: #ff6b6b;
  font-size: 13px;
  margin-bottom: 12px;
  text-align: center;
}
.login-hint { text-align: center; font-size: 12px; color: #555; margin-top: 16px; }

/* ===== CHAT ===== */
.chat-section {
  display: flex;
  height: calc(100vh - 72px);
}
.chat-sidebar {
  width: 260px;
  background: var(--dark2);
  border-right: 1px solid rgba(52,61,70,0.35);
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  flex-shrink: 0;
}
.chat-brand {
  padding: 0 24px 24px;
  font-size: 18px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
  border-bottom: 1px solid rgba(52,61,70,0.35);
  margin-bottom: 16px;
}
.chat-nav-item {
  padding: 14px 24px;
  cursor: pointer;
  font-size: 14px;
  color: var(--gray);
  transition: var(--transition);
  border-radius: 0;
}
.chat-nav-item.active, .chat-nav-item:hover {
  background: rgba(52,61,70,0.25);
  color: var(--gold);
  border-left: 3px solid var(--gold);
}
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.chat-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(52,61,70,0.35);
  background: rgba(10,10,10,0.5);
}
.ai-status { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--gray); }
.status-dot {
  width: 8px;
  height: 8px;
  background: #00ff88;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,136,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(0,255,136,0); }
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.message { display: flex; gap: 12px; align-items: flex-start; max-width: 80%; }
.message.user-msg { align-self: flex-end; flex-direction: row-reverse; }
.msg-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--black);
  font-size: 11px;
  font-weight: 800;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.user-msg .msg-avatar { background: var(--dark3); color: var(--white); }
.msg-content {
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.35);
  border-radius: 12px 12px 12px 0;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: #ddd;
}
.user-msg .msg-content {
  background: rgba(52,61,70,0.3);
  border-color: rgba(217,188,143,0.2);
  border-radius: 12px 12px 0 12px;
  color: var(--white);
}
.typing-indicator .msg-content {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 18px;
}
.typing-dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  animation: typing 1.4s infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-8px); opacity: 1; }
}
.chat-input-area {
  padding: 20px 24px;
  border-top: 1px solid rgba(52,61,70,0.35);
  display: flex;
  gap: 12px;
  background: rgba(10,10,10,0.5);
}
.chat-input-area input {
  flex: 1;
  background: var(--dark2);
  border: 1px solid rgba(217,188,143,0.2);
}
.btn-send {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--black);
  border-radius: var(--radius);
  font-size: 20px;
  font-weight: 700;
  transition: var(--transition);
  flex-shrink: 0;
}
.btn-send:hover { transform: scale(1.05); box-shadow: 0 4px 12px rgba(217,188,143,0.4); }

.btn-upload {
  width: 46px;
  height: 46px;
  background: rgba(255,215,0,0.1);
  border: 1px solid rgba(255,215,0,0.3);
  color: var(--gold);
  border-radius: var(--radius);
  font-size: 20px;
  transition: var(--transition);
  flex-shrink: 0;
  cursor: pointer;
}
.btn-upload:hover {
  background: rgba(255,215,0,0.2);
  border-color: var(--gold);
  transform: scale(1.05);
}

/* ===== ADMIN ===== */
.admin-section {
  display: flex;
  min-height: calc(100vh - 72px);
}
.admin-sidebar {
  width: 240px;
  background: var(--dark2);
  border-right: 1px solid rgba(52,61,70,0.35);
  padding: 24px 0;
  flex-shrink: 0;
}
.admin-brand {
  padding: 0 24px 24px;
  font-size: 18px;
  font-weight: 800;
  color: var(--gold);
  border-bottom: 1px solid rgba(52,61,70,0.35);
  margin-bottom: 16px;
}
.admin-nav-item {
  padding: 14px 24px;
  cursor: pointer;
  font-size: 14px;
  color: var(--gray);
  transition: var(--transition);
}
.admin-nav-item.active, .admin-nav-item:hover {
  background: rgba(52,61,70,0.25);
  color: var(--gold);
  border-left: 3px solid var(--gold);
}
.admin-content { flex: 1; padding: 40px; overflow-y: auto; }
.admin-tab { display: none; }
.admin-tab.active { display: block; }
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.admin-header h2 { font-size: 24px; font-weight: 700; }
.settings-form { max-width: 600px; }
.article-item {
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.35);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}
.article-item:hover { border-color: rgba(217,188,143,0.3); }
.article-item-info h4 { font-size: 16px; margin-bottom: 4px; }
.article-item-info span {
  font-size: 12px;
  color: var(--gold);
  background: rgba(52,61,70,0.35);
  padding: 2px 10px;
  border-radius: 10px;
}
.article-item-actions { display: flex; gap: 8px; }
.btn-sm {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}
.btn-sm.edit { background: rgba(52,61,70,0.4); color: var(--gold); border: 1px solid rgba(217,188,143,0.3); }
.btn-sm.delete { background: rgba(255,100,100,0.1); color: #ff6464; border: 1px solid rgba(255,100,100,0.3); }

.image-upload-area {
  border: 2px dashed rgba(217,188,143,0.3);
  border-radius: 12px;
  padding: 60px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 24px;
}
.image-upload-area:hover { border-color: var(--gold); background: rgba(52,61,70,0.2); }
.upload-hint span { font-size: 40px; display: block; margin-bottom: 8px; }
.upload-hint p { color: var(--gray); }
.image-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.preview-img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(217,188,143,0.2);
}

/* ===== MODAL ===== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}
.modal.open { display: flex; align-items: flex-start; overflow-y: auto; padding: 20px 0; }
.modal-content { max-height: none !important; }
.modal-content {
  background: var(--dark2);
  border: 1px solid rgba(217,188,143,0.2);
  border-radius: 16px;
  padding: 32px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}
.modal-header h3 { font-size: 20px; font-weight: 700; }
.modal-close {
  background: rgba(255,255,255,0.05);
  color: var(--gray);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(255,100,100,0.2); color: #ff6464; }
.modal-footer { display: flex; justify-content: flex-end; gap: 12px; margin-top: 24px; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--dark2);
  border: 1px solid rgba(217,188,143,0.4);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 3000;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark2);
  border-top: 1px solid rgba(52,61,70,0.35);
  padding: 60px 0 0;
  margin-top: auto;
}
.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.footer-brand .logo { margin-bottom: 12px; font-size: 16px; }
.footer-brand p { color: var(--gray); font-size: 14px; }
.footer-links h4, .footer-contact h4 {
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  color: var(--gray);
  font-size: 14px;
  margin-bottom: 8px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--gold); }
.footer-contact p { color: var(--gray); font-size: 14px; margin-bottom: 6px; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  color: #444;
  font-size: 13px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-content { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10,10,10,0.97);
    flex-direction: column;
    padding: 24px;
    gap: 8px;
    border-bottom: 1px solid rgba(217,188,143,0.2);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .lang-switcher { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .why-content { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-detail-item { grid-template-columns: 1fr; gap: 24px; padding: 32px 24px; }
  .service-detail-item.reverse { direction: ltr; }
  .sdi-icon { font-size: 48px; }
  .chat-sidebar { display: none; }
  .admin-sidebar { display: none; }
  .footer-content { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 24px; }
  .login-form { padding: 28px; }
  .modal-content { margin: 16px; }
}

/* ===== ENHANCED VISUALS (v2) ===== */

/* Service icon box */
.service-icon {
  width: 64px !important;
  height: 64px !important;
  background: linear-gradient(135deg, rgba(52,61,70,0.4), rgba(52,61,70,0.15)) !important;
  border: 1px solid rgba(217,188,143,0.3) !important;
  border-radius: 14px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 28px !important;
  margin-bottom: 20px !important;
  transition: all 0.3s ease !important;
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, rgba(217,188,143,0.25), rgba(52,61,70,0.25)) !important;
  box-shadow: 0 0 20px rgba(217,188,143,0.2) !important;
}

/* Gold gradient top border on hero */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217,188,143,0.5), transparent);
}

/* Glowing gold line under navbar */
#navbar::after {
  content: '';
  position: absolute;
  bottom: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217,188,143,0.4), transparent);
}

/* Stats section animated border */
.stat-item {
  position: relative;
  transition: transform 0.3s ease;
}
.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217,188,143,0.2), transparent);
}
.stat-item:hover { transform: translateY(-4px); }

/* Page hero gold gradient bar */
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.page-hero { position: relative; }

/* Pillar card gold number glow */
.pillar-num {
  text-shadow: 0 0 30px rgba(217,188,143,0.3);
}

/* Timeline glow dot */
.timeline-item::before {
  box-shadow: 0 0 0 4px rgba(52,61,70,0.4), 0 0 12px rgba(217,188,143,0.5) !important;
}

/* Contact card hover glow */
.contact-card:hover {
  box-shadow: 0 0 30px rgba(52,61,70,0.35);
  transform: translateY(-4px);
  transition: all 0.3s ease;
}

/* CTA section gold shimmer text */
.cta-section h2 {
  background: linear-gradient(90deg, #fff 0%, var(--gold-light) 40%, var(--gold) 50%, var(--gold-light) 60%, #fff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: ctaTextShimmer 4s linear infinite;
}
@keyframes ctaTextShimmer {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

/* Company name gold pulse on hover */
.company-zh {
  animation: none;
  transition: all 0.3s;
}

/* Hero logo ring pulse */
.hero-logo svg {
  filter: drop-shadow(0 0 20px rgba(217,188,143,0.4));
}

/* Mobile lang switcher visible */
@media (max-width: 768px) {
  .lang-switcher { display: flex !important; }
  .nav-right { gap: 8px; }
  .lang-btn { padding: 3px 8px; font-size: 11px; }
}

/* Scroll-triggered fade stagger */
.services-grid .service-card:nth-child(1) { transition-delay: 0s; }
.services-grid .service-card:nth-child(2) { transition-delay: 0.1s; }
.services-grid .service-card:nth-child(3) { transition-delay: 0.2s; }
.services-grid .service-card:nth-child(4) { transition-delay: 0.3s; }

/* Admin: improved article list empty state */
.empty-state {
  text-align: center;
  padding: 80px 0;
  color: #444;
}
.empty-state span { font-size: 48px; display: block; margin-bottom: 12px; }

/* Chat send button golden hover */
.btn-send:hover {
  box-shadow: 0 0 20px rgba(217,188,143,0.5) !important;
}

/* Login form glowing border on focus */
.login-form {
  box-shadow: 0 0 60px rgba(52,61,70,0.2);
}

/* Footer brand logo text gradient */
.footer .logo span {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  font-size: 15px;
}

/* ===== V3 MAJOR VISUAL UPGRADE ===== */

/* Hero: full cinematic feel */
.hero {
  background: 
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(52,61,70,0.3) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(52,61,70,0.2) 0%, transparent 50%),
    var(--black) !important;
}

/* Hero grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(52,61,70,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52,61,70,0.12) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* Stats numbers larger */
.stat-number {
  font-size: clamp(42px, 6vw, 68px) !important;
  font-weight: 900 !important;
  line-height: 1 !important;
}

/* Stats section: dark with subtle border */
.stats-section {
  background: linear-gradient(135deg, #111 0%, #0d0d0d 100%) !important;
  border-top: 1px solid rgba(217,188,143,0.2) !important;
  border-bottom: 1px solid rgba(217,188,143,0.2) !important;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 200px; height: 80px;
  background: radial-gradient(ellipse, rgba(52,61,70,0.4), transparent);
  pointer-events: none;
}

/* Stats grid separator lines */
.stats-grid {
  position: relative;
}
.stats-grid::after {
  content: '';
  position: absolute;
  left: 25%; right: 25%;
  top: 20%; bottom: 20%;
  border-left: 1px solid rgba(52,61,70,0.35);
  border-right: 1px solid rgba(52,61,70,0.35);
}

/* Service cards: glass effect */
.service-card {
  background: linear-gradient(135deg, rgba(30,30,30,0.9), rgba(20,20,20,0.95)) !important;
  backdrop-filter: blur(10px) !important;
  border: 1px solid rgba(52,61,70,0.3) !important;
}
.service-card:hover {
  background: linear-gradient(135deg, rgba(35,35,35,0.95), rgba(25,25,25,1)) !important;
  border-color: rgba(217,188,143,0.5) !important;
  box-shadow: 0 24px 48px rgba(0,0,0,0.6), 0 0 0 1px rgba(52,61,70,0.35), inset 0 1px 0 rgba(52,61,70,0.35) !important;
}

/* Why us section: diagonal split */
.why-us {
  background: linear-gradient(160deg, #111 0%, #0d0d0d 50%, #121212 100%) !important;
  position: relative;
}
.why-us::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 50%; height: 100%;
  background: linear-gradient(135deg, rgba(52,61,70,0.15), transparent);
  pointer-events: none;
}

/* Feature items: subtle left border */
.feature-item {
  padding: 16px 0 16px 16px;
  border-left: 2px solid rgba(52,61,70,0.4);
  transition: all 0.3s ease;
}
.feature-item:hover {
  border-left-color: var(--gold);
  padding-left: 20px;
}

/* CTA section: gold border frame */
.cta-section {
  background: 
    linear-gradient(135deg, rgba(52,61,70,0.2) 0%, rgba(52,61,70,0.1) 50%, rgba(52,61,70,0.2) 100%) !important;
  border: 1px solid rgba(52,61,70,0.4) !important;
  border-left: none !important;
  border-right: none !important;
  position: relative;
}
.cta-section::before, .cta-section::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--gold), transparent);
}
.cta-section::before { top: -40px; }
.cta-section::after { bottom: -40px; transform: translateX(-50%) scaleY(-1); }

/* About pillar cards: stronger gold numbering */
.pillar-card {
  background: linear-gradient(135deg, rgba(22,22,22,0.95), rgba(16,16,16,0.98)) !important;
  position: relative;
  overflow: hidden;
}
.pillar-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 60px; height: 60px;
  background: radial-gradient(circle at top right, rgba(52,61,70,0.25), transparent 70%);
}

/* Vision quote: more dramatic */
.vision-quote {
  background: linear-gradient(135deg, rgba(52,61,70,0.22), rgba(52,61,70,0.1)) !important;
  border-left: 3px solid var(--gold) !important;
  position: relative;
}
.vision-quote::before {
  content: '"';
  position: absolute;
  top: -20px; left: 20px;
  font-size: 120px;
  color: rgba(52,61,70,0.25);
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}

/* Contact section improvements */
.contact-form {
  background: linear-gradient(135deg, rgba(22,22,22,0.95), rgba(18,18,18,0.98)) !important;
}

/* Page hero: stronger */
.page-hero {
  background: 
    linear-gradient(180deg, rgba(52,61,70,0.25) 0%, transparent 100%) !important,
    linear-gradient(135deg, #0d0d0d, #111) !important;
}

/* Service detail items */
.service-detail-item {
  background: linear-gradient(135deg, rgba(22,22,22,0.9), rgba(16,16,16,0.95)) !important;
  border: 1px solid rgba(52,61,70,0.35) !important;
  transition: all 0.3s ease !important;
}
.service-detail-item:hover {
  border-color: rgba(217,188,143,0.25) !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5) !important;
}

/* Gold glowing border button variant */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: -2px; left: -100%;
  width: 60%;
  height: calc(100% + 4px);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.4s ease;
}
.btn-primary:hover::before {
  left: 150%;
}

/* Footer: richer dark */
.footer {
  background: linear-gradient(180deg, #0d0d0d, #080808) !important;
}

/* Navbar scroll state */
#navbar {
  transition: all 0.3s ease !important;
}

/* Hero slogan: italic gold tinge on first word */
.hero-slogan {
  background: linear-gradient(135deg, #ccc, rgba(217,188,143,0.7));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: normal !important;
  font-weight: 300;
  letter-spacing: 0.5px;
}

/* ===== V4: MARQUEE + PARTNERS ===== */

/* Marquee banner */
.marquee-bar {
  background: linear-gradient(90deg, rgba(52,61,70,0.3), rgba(52,61,70,0.25), rgba(52,61,70,0.3));
  border-top: 1px solid rgba(217,188,143,0.25);
  border-bottom: 1px solid rgba(217,188,143,0.25);
  padding: 14px 0;
  overflow: hidden;
  position: relative;
}
.marquee-bar::before, .marquee-bar::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
}
.marquee-bar::before { left: 0; background: linear-gradient(90deg, var(--black), transparent); }
.marquee-bar::after { right: 0; background: linear-gradient(-90deg, var(--black), transparent); }
.marquee-track {
  display: flex;
  gap: 32px;
  white-space: nowrap;
  animation: marquee 20s linear infinite;
  width: max-content;
}
.marquee-track span {
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 1px;
}
.marquee-track span:nth-child(even) {
  color: rgba(217,188,143,0.4);
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Partners section */
.partners-section {
  padding: 48px 0;
  border-bottom: 1px solid rgba(52,61,70,0.25);
}
.partners-label {
  text-align: center;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #444;
  margin-bottom: 32px;
}
.partners-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.partner-logo {
  opacity: 0.4;
  transition: opacity 0.3s ease, transform 0.3s ease;
  filter: grayscale(100%);
}
.partner-logo:hover {
  opacity: 1;
  transform: scale(1.1);
  filter: none;
}

/* Fix stats counter display */
.stat-item[data-target] .counter {
  display: inline;
}

/* Stronger hero slogan */
.hero-slogan {
  font-size: clamp(18px, 2.8vw, 26px) !important;
  font-weight: 400 !important;
  letter-spacing: 1px !important;
}

/* Hero badge pulsing glow */
.hero-badge {
  animation: fadeInDown 1s ease 0.2s both, badgePulse 3s ease 1.5s infinite !important;
}
@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(217,188,143,0.3); }
  50% { box-shadow: 0 0 0 8px rgba(217,188,143,0); }
}

/* Services section: dark bg for contrast */
.services-preview {
  background: var(--dark2);
  position: relative;
}
.services-preview::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217,188,143,0.3), transparent);
}
.services-preview::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217,188,143,0.3), transparent);
}

/* Service cards: gold top border on hover */
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.service-card:hover::after { opacity: 1; }

/* Why text title: gradient */
.why-text h2 {
  background: linear-gradient(135deg, #fff 60%, var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== FIX: Partner logos as text ===== */
.partner-logo span {
  font-size: 22px;
  font-weight: 800;
  color: rgba(217,188,143,0.35);
  letter-spacing: 1px;
  font-family: 'Segoe UI', Arial, sans-serif;
  transition: color 0.3s ease, transform 0.3s ease;
  display: block;
  white-space: nowrap;
}
.partner-logo:hover span {
  color: var(--gold);
}
.partner-logo {
  opacity: 1 !important;
  filter: none !important;
}
.partners-logos {
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 40px 56px !important;
}

/* ===== Hero: tighter layout on mobile ===== */
@media (max-width: 480px) {
  .hero-logo svg { width: 70px; height: 70px; }
  .company-zh { font-size: 26px !important; }
  .company-en { font-size: 13px !important; }
}

/* ===== FORCE FIX: Partners horizontal layout ===== */
.partners-section .partners-logos {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 16px 48px !important;
  padding: 0 24px !important;
}
.partners-section .partner-logo {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}
.partners-section .partner-logo span {
  font-size: 20px !important;
  font-weight: 800 !important;
  color: rgba(217,188,143,0.3) !important;
  letter-spacing: 2px !important;
  font-family: 'Segoe UI', Arial, sans-serif !important;
  transition: color 0.3s !important;
  white-space: nowrap !important;
  display: inline-block !important;
}
.partners-section .partner-logo:hover span {
  color: var(--gold) !important;
}

/* Partners dividers */
.partners-section .partner-logo:not(:last-child)::after {
  content: '·';
  color: rgba(52,61,70,0.4);
  font-size: 24px;
  margin-left: 48px;
}

/* ===== DEFINITIVE partner logo fix ===== */
.partner-logo-text {
  display: inline-block;
  font-size: 19px;
  font-weight: 800;
  color: rgba(52,61,70,0.5);
  letter-spacing: 2px;
  font-family: 'Segoe UI', Arial, sans-serif;
  cursor: default;
  transition: color 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
  padding: 4px 0;
}
.partner-logo-text:hover {
  color: var(--gold);
  transform: scale(1.08);
}

/* ===== FIX: particle canvas full size ===== */
#particleCanvas {
  width: 100% !important;
  height: 100% !important;
  display: block !important;
}

/* ===== CANVAS: let JS control internal size, CSS only positions it ===== */
#particleCanvas {
  position: absolute !important;
  top: 0 !important; left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  z-index: 0 !important;
  pointer-events: none !important;
}
.hero {
  position: relative !important;
  overflow: hidden !important;
}


/* ========================================
   PWA 快速安裝引導（簡約版 - 更符合主頁）
   ======================================== */
.pwa-quick-install {
  margin-top: 60px;
  padding: 0;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

.pwa-install-card {
  background: transparent;
  border: none;
  padding: 32px 0;
  position: relative;
}

/* 頂部分隔線 */
.pwa-install-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.5), transparent);
}

.pwa-install-header {
  text-align: center;
  margin-bottom: 28px;
}

.pwa-install-icon {
  font-size: 32px;
  margin-bottom: 12px;
  display: inline-block;
  opacity: 0.9;
}

.pwa-install-title {
  font-size: 20px;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.pwa-install-subtitle {
  font-size: 13px;
  color: #888888;
  font-weight: 300;
  letter-spacing: 0.5px;
}

.pwa-platforms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pwa-platform-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  text-decoration: none;
  color: white;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pwa-platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.03) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.pwa-platform-card:hover {
  border-color: rgba(255, 215, 0, 0.3);
  transform: translateY(-4px);
}

.pwa-platform-card:hover::before {
  opacity: 1;
}

.pwa-platform-icon {
  font-size: 36px;
  margin-bottom: 10px;
  display: block;
}

.pwa-platform-name {
  font-size: 14px;
  font-weight: 500;
  color: #ffffff;
  margin-bottom: 4px;
}

.pwa-platform-hint {
  font-size: 11px;
  color: #666666;
  font-weight: 300;
}

.pwa-platform-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255, 215, 0, 0.15);
  color: #FFD700;
  font-size: 9px;
  font-weight: 600;
  padding: 3px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 215, 0, 0.2);
}

/* 響應式調整 */
@media (max-width: 768px) {
  .pwa-quick-install {
    margin-top: 40px;
  }
  
  .pwa-install-card {
    padding: 24px 0;
  }
  
  .pwa-install-icon {
    font-size: 28px;
  }
  
  .pwa-install-title {
    font-size: 18px;
  }
  
  .pwa-install-subtitle {
    font-size: 12px;
  }
  
  .pwa-platforms {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .pwa-platform-card {
    padding: 18px;
  }
  
  .pwa-platform-icon {
    font-size: 32px;
  }
}

@media (max-width: 480px) {
  .pwa-quick-install {
    margin-top: 30px;
  }
  
  .pwa-install-title {
    font-size: 16px;
  }
}



/* ===== MUSIC STUDIO ===== */
.music-section {
  display: flex;
  min-height: calc(100vh - 72px);
  background: var(--dark);
}

.music-sidebar {
  width: 280px;
  background: rgba(255,255,255,0.02);
  border-right: 1px solid rgba(255,255,255,0.05);
  padding: 20px;
  overflow-y: auto;
}

.music-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,215,0,0.2);
}

.music-nav {
  margin-bottom: 30px;
}

.music-nav-item {
  padding: 12px 16px;
  margin-bottom: 8px;
  border-radius: var(--radius);
  color: var(--gray);
  cursor: pointer;
  transition: var(--transition);
}

.music-nav-item:hover {
  background: rgba(255,215,0,0.1);
  color: var(--gold);
}

.music-nav-item.active {
  background: rgba(255,215,0,0.15);
  color: var(--gold);
  border-left: 3px solid var(--gold);
}

.music-tips {
  padding: 16px;
  background: rgba(255,215,0,0.05);
  border: 1px solid rgba(255,215,0,0.2);
  border-radius: var(--radius);
}

.music-tips h4 {
  color: var(--gold);
  margin-bottom: 12px;
  font-size: 14px;
}

.music-tips ul {
  list-style: none;
  font-size: 13px;
  color: var(--gray);
}

.music-tips li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.music-tips li::before {
  content: '•';
  position: absolute;
  left: 8px;
  color: var(--gold);
}

.music-main {
  flex: 1;
  padding: 40px;
  overflow-y: auto;
}

.music-tab {
  max-width: 900px;
  margin: 0 auto;
}

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

.music-header h2 {
  font-size: 32px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.music-header p {
  color: var(--gray);
  font-size: 16px;
}

.music-form {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 30px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.music-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-weight: 600;
  font-size: 14px;
}

.music-form textarea,
.music-form input,
.music-form select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
}

.music-form textarea:focus,
.music-form input:focus,
.music-form select:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255,215,0,0.05);
}

.btn-large {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
}

.music-player {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,215,0,0.3);
  border-radius: var(--radius);
  padding: 30px;
}

.music-history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.music-history-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.music-history-item:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.music-history-item h4 {
  color: var(--gold);
  margin-bottom: 10px;
  font-size: 16px;
}

.music-history-item .music-meta {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 15px;
}

.music-history-item audio {
  width: 100%;
  margin-bottom: 10px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .music-sidebar {
    display: none;
  }
  .music-main {
    padding: 20px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ===== VIDEO STUDIO ===== */
.video-section {
  display: flex;
  min-height: calc(100vh - 72px);
  background: var(--dark);
}

.video-sidebar {
  width: 280px;
  background: rgba(255,255,255,0.02);
  border-right: 1px solid rgba(255,255,255,0.05);
  padding: 20px;
  overflow-y: auto;
}

.video-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,215,0,0.2);
}

.video-nav {
  margin-bottom: 30px;
}

.video-nav-item {
  padding: 12px 16px;
  margin-bottom: 8px;
  border-radius: var(--radius);
  color: var(--gray);
  cursor: pointer;
  transition: var(--transition);
}

.video-nav-item:hover {
  background: rgba(255,215,0,0.1);
  color: var(--gold);
}

.video-nav-item.active {
  background: rgba(255,215,0,0.15);
  color: var(--gold);
  border-left: 3px solid var(--gold);
}

.video-tips {
  padding: 16px;
  background: rgba(255,215,0,0.05);
  border: 1px solid rgba(255,215,0,0.2);
  border-radius: var(--radius);
}

.video-tips h4 {
  color: var(--gold);
  margin-bottom: 12px;
  font-size: 14px;
}

.video-tips ul {
  list-style: none;
  font-size: 13px;
  color: var(--gray);
}

.video-tips li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.video-tips li::before {
  content: '•';
  position: absolute;
  left: 8px;
  color: var(--gold);
}

.video-main {
  flex: 1;
  padding: 40px;
  overflow-y: auto;
}

.video-tab {
  max-width: 900px;
  margin: 0 auto;
}

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

.video-header h2 {
  font-size: 32px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.video-header p {
  color: var(--gray);
  font-size: 16px;
}

.video-form {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 30px;
}

.video-player {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,215,0,0.3);
  border-radius: var(--radius);
  padding: 30px;
}

.video-history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 20px;
}

.video-history-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.video-history-item:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.video-history-item h4 {
  color: var(--gold);
  margin-bottom: 10px;
  font-size: 16px;
}

.video-history-item .video-meta {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 15px;
}

.video-history-item video {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 10px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .video-sidebar {
    display: none;
  }
  .video-main {
    padding: 20px;
  }
  .video-history-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 影片生成進度條 ===== */
#videoProgressContainer {
  animation: fadeIn 0.3s ease;
}

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

#videoProgressBar {
  position: relative;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

#videoProgressBar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== 影片歷史記錄卡片 ===== */
.video-history-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 15px;
  margin-bottom: 15px;
  transition: all 0.3s ease;
}

.video-history-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 215, 0, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.video-history-item h4 {
  margin: 0 0 10px 0;
  color: #FFD700;
  font-size: 16px;
}

.video-meta {
  font-size: 12px;
  color: #999;
  margin-bottom: 10px;
  line-height: 1.6;
}

.video-meta div {
  margin-bottom: 4px;
}

/* ===== 移動端優化：進度條和歷史記錄 ===== */
@media (max-width: 768px) {
  #videoProgressContainer {
    margin: 15px 0;
    padding: 12px;
    font-size: 13px;
  }
  
  #videoProgressTime {
    font-size: 11px;
  }
  
  .video-history-item {
    padding: 12px;
    margin-bottom: 12px;
  }
  
  .video-history-item h4 {
    font-size: 14px;
  }
  
  .video-meta {
    font-size: 11px;
  }
  
  .video-history-item video {
    max-height: 250px;
  }
}

@media (max-width: 480px) {
  #videoProgressContainer {
    margin: 10px 0;
    padding: 10px;
    font-size: 12px;
  }
  
  #videoProgressBar {
    height: 6px;
  }
  
  #videoProgressTime {
    font-size: 10px;
    margin-top: 6px;
  }
  
  .video-history-item {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 8px;
  }
  
  .video-history-item h4 {
    font-size: 13px;
    margin-bottom: 8px;
  }
  
  .video-meta {
    font-size: 10px;
    line-height: 1.5;
  }
  
  .video-meta div {
    margin-bottom: 3px;
  }
  
  .video-history-item video {
    max-height: 200px;
    border-radius: 6px;
  }
  
  .video-history-item button {
    font-size: 12px !important;
    padding: 8px 12px !important;
  }
}

/* ===== 觸控優化：增大按鈕觸控區域 ===== */
@media (hover: none) and (pointer: coarse) {
  .video-history-item button {
    min-height: 44px;
    padding: 12px 16px !important;
  }
  
  .btn-primary, .btn-secondary {
    min-height: 48px;
  }
}

/* ===== 移動端功能選單 ===== */
.mobile-menu-btn {
  padding: 8px 16px;
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 6px;
  color: #FFD700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
  background: rgba(255, 215, 0, 0.2);
  border-color: rgba(255, 215, 0, 0.5);
}

.mobile-menu {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  background: rgba(20, 20, 30, 0.98);
  border-bottom: 1px solid rgba(255, 215, 0, 0.3);
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  animation: slideDown 0.3s ease;
}

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

.mobile-menu-item {
  padding: 16px 24px;
  color: var(--gray);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 15px;
}

.mobile-menu-item:last-child {
  border-bottom: none;
}

.mobile-menu-item:hover, .mobile-menu-item:active {
  background: rgba(212, 175, 55, 0.1);
  color: var(--gold);
  padding-left: 28px;
}

/* 桌面版隱藏移動端菜單按鈕 */
@media (min-width: 769px) {
  .mobile-menu-btn {
    display: none !important;
  }
  .mobile-menu {
    display: none !important;
  }
}

/* 移動端顯示菜單按鈕 */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block !important;
  }
  
  .chat-header {
    position: relative;
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .ai-status {
    flex: 1;
    min-width: 150px;
  }
}

@media (max-width: 480px) {
  .mobile-menu-item {
    padding: 14px 20px;
    font-size: 14px;
  }
}

/* ===== PRICING PAGE ===== */
.pricing-section {
  padding: 80px 0 100px;
}

.pricing-intro {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 64px;
}

.pricing-intro-item {
  background: rgba(52,61,70,0.25);
  border: 1px solid rgba(217,188,143,0.2);
  border-radius: 40px;
  padding: 10px 22px;
  font-size: 14px;
  color: #ccc;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-intro-item span { color: var(--gold); font-weight: 500; }
.pricing-intro-item strong { color: var(--white); }

/* Grid — 固定 2×2，寬螢幕 4 欄 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

/* Card base */
.pricing-card {
  background: var(--dark2);
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 32px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  min-width: 0; /* 防止 grid 子項溢出 */
}
.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(217,188,143,0.4);
  box-shadow: 0 12px 40px rgba(52,61,70,0.35);
}

/* Featured card */
.pricing-card-featured {
  background: linear-gradient(145deg, #1c1700, #1a1a0a);
  border: 1.5px solid var(--gold);
  box-shadow: 0 0 40px rgba(52,61,70,0.3);
}
.pricing-card-featured:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 50px rgba(217,188,143,0.2);
}

/* Enterprise card */
.pricing-card-enterprise {
  background: linear-gradient(145deg, #0d0d1a, #111122);
  border: 1.5px solid rgba(120,100,255,0.4);
}
.pricing-card-enterprise:hover {
  border-color: rgba(150,130,255,0.7);
  box-shadow: 0 12px 40px rgba(120,100,255,0.15);
}

/* Badge */
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--dark3);
  border: 1px solid #333;
  color: #aaa;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
}
.featured-badge {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--black) !important;
  border: none;
  font-size: 12px;
  font-weight: 700;
}

.pricing-icon { font-size: 36px; }

.pricing-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
}

.pricing-points {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.points-num {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.points-unit {
  font-size: 18px;
  color: var(--gray);
  font-weight: 500;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.price-currency {
  font-size: 18px;
  color: var(--gray);
}
.price-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
}
.pricing-per {
  font-size: 13px;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 8px;
}
.price-save {
  background: rgba(52,211,153,0.12);
  color: #34d399;
  border: 1px solid rgba(52,211,153,0.3);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  margin: 8px 0;
}
.pricing-features li {
  font-size: 14px;
  color: #ccc;
}

/* Pricing table */
.pricing-table-wrap {
  margin-bottom: 72px;
  overflow-x: auto;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--dark2);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #2a2a2a;
}
.pricing-table th {
  background: rgba(52,61,70,0.25);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid rgba(52,61,70,0.4);
}
.pricing-table td {
  padding: 16px 20px;
  font-size: 14px;
  color: #ccc;
  border-bottom: 1px solid #222;
}
.pricing-table tr:last-child td { border-bottom: none; }
.pricing-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

.points-badge {
  background: rgba(52,61,70,0.3);
  color: var(--gold);
  border: 1px solid rgba(217,188,143,0.25);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
}

/* FAQ */
.pricing-faq { margin-bottom: 40px; }

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.faq-item {
  background: var(--dark2);
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.3s;
}
.faq-item:hover { border-color: rgba(217,188,143,0.3); }
.faq-q {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}
.faq-a {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* Responsive pricing grid */
@media (max-width: 1200px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
  .pricing-card-featured {
    order: -1;
  }
  .points-num { font-size: 38px; }
  .price-num { font-size: 30px; }
}

/* ===== PRICING: LOGIN NOTICE ===== */
.pricing-login-notice {
  margin-bottom: 32px;
}
.pricing-login-notice-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, rgba(52,61,70,0.25), rgba(52,61,70,0.15));
  border: 1.5px solid rgba(217,188,143,0.35);
  border-radius: 12px;
  padding: 16px 24px;
  font-size: 15px;
  color: #ccc;
  flex-wrap: wrap;
  box-sizing: border-box;
  width: 100%;
}
.notice-icon { font-size: 22px; flex-shrink: 0; }
.pricing-login-notice-inner > span { flex: 1; min-width: 160px; }
.notice-btn { padding: 10px 20px !important; white-space: nowrap; flex-shrink: 0; }

/* hide login notice when logged in */
.logged-in .pricing-login-notice { display: none; }

/* ===== PRICING: NOTICE BOX ===== */
.pricing-notice-box {
  background: rgba(239,68,68,0.06);
  border: 1.5px solid rgba(239,68,68,0.25);
  border-radius: 10px;
  padding: 16px 22px;
  font-size: 14px;
  color: #ccc;
  margin-bottom: 56px;
  line-height: 1.8;
}

/* ===== TERMS LINKS BAR ===== */
.terms-links-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 28px 0 8px;
  border-top: 1px solid #222;
  margin-top: 24px;
}
.terms-link {
  color: #888;
  font-size: 13px;
  transition: color 0.2s;
  cursor: pointer;
}
.terms-link:hover { color: var(--gold); }
.terms-sep { color: #333; }

/* ===== LINK GOLD ===== */
.link-gold { color: var(--gold) !important; text-decoration: underline; cursor: pointer; }
.link-gold:hover { color: var(--gold-light) !important; }

/* ===== TERMS PAGES ===== */
.terms-section { padding: 60px 0 100px; }
.terms-container { max-width: 820px; }
.terms-back { margin-bottom: 32px; }

.terms-body { display: flex; flex-direction: column; gap: 40px; }

.terms-block h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(52,61,70,0.4);
}
.terms-block p { font-size: 15px; color: #ccc; line-height: 1.85; margin-bottom: 10px; }
.terms-block ul { padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.terms-block ul li { font-size: 14px; color: #bbb; line-height: 1.7; }

/* Highlight boxes */
.terms-highlight {
  background: rgba(52,61,70,0.2);
  border: 1.5px solid rgba(217,188,143,0.25);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 8px;
}
.terms-highlight p { margin-bottom: 8px; }
.terms-highlight ul { margin-top: 8px; }

.terms-highlight-warning {
  background: rgba(239,68,68,0.06);
  border-color: rgba(239,68,68,0.3);
}
.terms-highlight-warning h3 {
  font-size: 17px;
  font-weight: 700;
  color: #f87171;
  margin-bottom: 12px;
}

.terms-checklist {
  background: var(--dark2);
  border-radius: 10px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.terms-checklist p { font-size: 14px; color: #bbb; margin: 0; }

/* Steps */
.terms-steps { display: flex; flex-direction: column; gap: 16px; }
.terms-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--dark2);
  border-radius: 12px;
  padding: 18px 20px;
  border: 1px solid #2a2a2a;
}
.step-num {
  min-width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--black);
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-content strong { display: block; font-size: 15px; color: var(--white); margin-bottom: 6px; }
.step-content p { font-size: 14px; color: #aaa; margin: 0; }

/* ===== LOGIN PROMPT MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  animation: fadeInModal 0.2s ease;
}
.modal-overlay.active {
  display: flex;
  visibility: visible;
}
@keyframes fadeInModal {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.modal-box {
  background: var(--dark2);
  border: 1.5px solid rgba(217,188,143,0.3);
  border-radius: 20px;
  padding: 40px 36px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-icon { font-size: 48px; margin-bottom: 16px; }
.modal-box h3 { font-size: 22px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.modal-box p { font-size: 14px; color: #aaa; line-height: 1.8; margin-bottom: 28px; }
.modal-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.modal-actions button { min-width: 120px; padding: 12px 24px; }

@media (max-width: 600px) {
  .pricing-login-notice-inner { flex-direction: column; text-align: center; }
  .terms-step { flex-direction: column; }
}

/* ===== AUTH TABS ===== */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  background: var(--dark3);
  border-radius: 10px;
  padding: 4px;
}
.auth-tab {
  flex: 1;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  background: transparent;
  color: #888;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
  font-family: var(--font);
}
.auth-tab.active {
  background: var(--dark2);
  color: var(--gold);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.auth-tab:hover:not(.active) { color: #ccc; }

/* ===== REGISTER FORM ===== */
.register-gift-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, rgba(52,61,70,0.3), rgba(52,61,70,0.12));
  border: 1.5px solid rgba(217,188,143,0.35);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 20px;
}
.gift-icon { font-size: 32px; flex-shrink: 0; }
.register-gift-banner strong {
  display: block;
  font-size: 15px;
  color: var(--gold);
  margin-bottom: 3px;
}
.register-gift-banner span { font-size: 13px; color: #aaa; }

/* 必填標記 */
.required { color: #f87171; margin-left: 2px; }

/* 條款同意 checkbox */
.register-terms { margin-bottom: 8px; }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: #aaa;
  line-height: 1.6;
}
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-width: 16px;
  margin-top: 2px;
  accent-color: var(--gold);
  cursor: pointer;
}

/* 權限說明 */
.register-perms {
  background: var(--dark3);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 4px;
}
.perms-title {
  font-size: 13px;
  font-weight: 600;
  color: #aaa;
  margin-bottom: 10px;
}
.perms-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.perm-item {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: 500;
}
.perm-on {
  background: rgba(52,211,153,0.1);
  color: #34d399;
  border: 1px solid rgba(52,211,153,0.25);
}
.perm-off {
  background: rgba(255,255,255,0.04);
  color: #555;
  border: 1px solid #2a2a2a;
}

/* 切換提示文字 */
.login-switch-hint {
  text-align: center;
  font-size: 13px;
  color: #666;
  margin-top: 16px;
}


/* Modal close button */
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: #666;
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 0.2s;
}
.modal-close:hover { color: #ccc; }
.modal-box { position: relative; }

/* ===== AUTH CARD (unified container) ===== */
.auth-card {
  background: var(--dark2);
  border: 1px solid rgba(52,61,70,0.4);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

/* ===== AUTH TABS (inside card) ===== */
.auth-card .auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  background: var(--dark3);
  border-radius: 0;
  border-bottom: 1px solid rgba(52,61,70,0.3);
}
.auth-card .auth-tab {
  padding: 16px 12px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 0;
  background: transparent;
  color: #666;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
  letter-spacing: 0.02em;
}
.auth-card .auth-tab.active {
  background: var(--dark2);
  color: var(--gold);
  box-shadow: none;
  border-bottom: 2px solid var(--gold);
  margin-bottom: -1px;
}
.auth-card .auth-tab:hover:not(.active) { color: #aaa; background: rgba(255,255,255,0.03); }

/* ===== AUTH FORM (inside card) ===== */
.auth-form {
  padding: 32px 36px 36px;
}
.auth-form .form-group { margin-bottom: 18px; }
.auth-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #aaa;
  margin-bottom: 7px;
  letter-spacing: 0.03em;
}

@media (max-width: 480px) {
  .auth-form { padding: 24px 20px 28px; }
  .auth-card .auth-tab { font-size: 13px; padding: 14px 8px; }
}

/* ============================================================
   MOBILE RESPONSIVE — 新功能補丁 (pricing / auth / terms)
   max-width: 768px  &  max-width: 480px
   ============================================================ */

/* ── page-hero 手機版縮小 ── */
@media (max-width: 768px) {
  .page-hero {
    padding: 60px 20px 44px;
  }
  .page-hero h1 {
    font-size: clamp(22px, 6vw, 32px);
    line-height: 1.25;
  }
  .page-hero p {
    font-size: 14px;
  }
}

/* ── pricing-section 容器 ── */
@media (max-width: 768px) {
  .pricing-section {
    padding: 40px 0 60px;
  }

  /* 登入提示橫幅 — 手機版直排 */
  .pricing-login-notice-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
  }
  .pricing-login-notice-inner > span {
    min-width: 0;
    font-size: 13px;
    line-height: 1.6;
  }
  .pricing-login-notice-inner > div {
    width: 100%;
    display: flex;
    gap: 8px;
  }
  .pricing-login-notice-inner > div .notice-btn {
    flex: 1;
    text-align: center;
    padding: 10px 8px !important;
    font-size: 13px;
  }

  /* 說明條 pills — 手機 2×2 */
  .pricing-intro {
    gap: 10px;
    margin-bottom: 36px;
    padding: 0 4px;
  }
  .pricing-intro-item {
    font-size: 13px;
    padding: 8px 14px;
    flex: 1 1 calc(50% - 10px);
    justify-content: center;
  }

  /* 價格卡片 — 手機單欄，標準包排第一 */
  .pricing-grid {
    grid-template-columns: 1fr !important;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    gap: 16px;
  }
  .pricing-card-featured { order: -1; }

  /* 卡片內容縮排 */
  .pricing-card {
    padding: 28px 20px;
  }
  .points-num { font-size: 40px; }
  .price-num  { font-size: 32px; }

  /* 重要聲明框 */
  .pricing-notice-box {
    font-size: 13px;
    padding: 14px 16px;
    margin-bottom: 36px;
  }

  /* 點數消耗表格 — 手機可橫向捲動 */
  .pricing-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -8px 48px;
    padding: 0 8px;
  }
  .pricing-table {
    min-width: 520px;
    font-size: 13px;
  }
  .pricing-table th,
  .pricing-table td {
    padding: 12px 14px;
  }

  /* FAQ 單欄 */
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .faq-item { padding: 18px; }
  .faq-q { font-size: 14px; }

  /* 條款連結列 */
  .terms-links-bar {
    gap: 10px 6px;
    padding: 20px 0 0;
  }
  .terms-link { font-size: 12px; }
  .terms-sep  { display: none; }
}

/* ── auth 登入/註冊 手機版 ── */
@media (max-width: 768px) {
  .login-section {
    align-items: flex-start;
    padding-top: 0;
  }
  .login-container {
    max-width: 100%;
    padding: 80px 16px 40px; /* 72px navbar + 8px */
  }
  .login-brand {
    margin-bottom: 28px;
  }
  .login-brand svg { width: 48px; height: 48px; }
  .login-brand h2 { font-size: 22px; }

  /* auth-card 填滿寬度 */
  .auth-card {
    border-radius: 16px;
    width: 100%;
  }
  .auth-card .auth-tab {
    font-size: 13px;
    padding: 13px 8px;
  }
  .auth-form {
    padding: 24px 20px 28px;
  }

  /* 禮物橫幅縮小 */
  .register-gift-banner {
    padding: 12px 14px;
    gap: 10px;
  }
  .gift-icon { font-size: 26px; }
  .register-gift-banner strong { font-size: 14px; }
  .register-gift-banner span  { font-size: 12px; }

  /* 權限標籤 */
  .perms-list { gap: 6px; }
  .perm-item  { font-size: 11px; padding: 4px 10px; }

  /* checkbox 條款 */
  .checkbox-label { font-size: 12px; }

  /* 切換提示 */
  .login-switch-hint { font-size: 12px; margin-top: 12px; }
}

/* ── 條款頁面 手機版 ── */
@media (max-width: 768px) {
  .terms-section  { padding: 32px 0 60px; }
  .terms-container { padding: 0 16px; }

  .terms-block h2 { font-size: 16px; }
  .terms-block p  { font-size: 14px; }
  .terms-block ul li { font-size: 13px; }

  .terms-highlight       { padding: 16px 16px; }
  .terms-highlight-warning h3 { font-size: 15px; }

  /* 步驟卡片 */
  .terms-steps { gap: 12px; }
  .terms-step  { padding: 14px 16px; gap: 12px; }
  .step-num    { min-width: 30px; height: 30px; font-size: 13px; }
  .step-content strong { font-size: 14px; }
  .step-content p      { font-size: 13px; }

  .terms-checklist { padding: 14px 16px; }
  .terms-checklist p { font-size: 13px; }

  .terms-back { margin-bottom: 20px; }

  /* FAQ 在條款頁（同 pricing-faq） */
  .pricing-table-wrap h2,
  .pricing-faq h2 {
    font-size: 20px;
    margin-bottom: 20px !important;
  }
}

/* ── 480px 極小手機 ── */
@media (max-width: 480px) {
  .pricing-intro-item {
    flex: 1 1 100%;
    justify-content: flex-start;
  }
  .pricing-card { padding: 22px 16px; }
  .points-num   { font-size: 34px; }
  .price-num    { font-size: 28px; }

  .auth-form { padding: 20px 16px 24px; }

  .page-hero { padding: 50px 16px 36px; }
  .page-hero h1 { font-size: clamp(20px, 7vw, 26px); }
}


/* ── login-section 手機版：移除垂直置中，消除底部空白 ── */
@media (max-width: 768px) {
  .login-section {
    min-height: unset;
    align-items: flex-start;
    padding: 0;
  }
  .login-container {
    padding: 32px 16px 48px;
    max-width: 100%;
  }
  /* auth-card 撐滿容器寬度 */
  .auth-card {
    width: 100%;
  }
  /* login-brand 縮小間距 */
  .login-brand {
    margin-bottom: 24px;
  }
  .login-brand svg  { width: 44px; height: 44px; }
  .login-brand h2   { font-size: 20px; letter-spacing: 1px; }
  .login-brand p    { font-size: 13px; }
}

/* ── terms 頁面 — 隱藏 footer，手機全寬 ── */
@media (max-width: 768px) {
  .terms-section { padding: 28px 0 48px; }
  .terms-body     { gap: 28px; }
  .terms-block    { /* no extra style needed */ }
}

/* ── pricing 登入橫幅 — 更緊湊 ── */
@media (max-width: 480px) {
  .pricing-login-notice-inner {
    padding: 14px 12px;
    gap: 10px;
  }
  .pricing-login-notice-inner > span { font-size: 12px; }
  .pricing-login-notice-inner > div  { gap: 6px; }
  .notice-btn { font-size: 12px !important; padding: 9px 6px !important; }
}


/* 登入頁手機版不撐滿整個 viewport */
@media (max-width: 768px) {
  #page-login {
    min-height: unset;
  }
}

/* 登入頁：page 高度由內容決定，不撐滿 viewport */
@media (max-width: 768px) {
  #page-login.page {
    min-height: unset !important;
    padding-bottom: 0;
  }
  #page-login .login-section {
    min-height: unset !important;
    padding-top: 0;
  }
  #page-login .login-container {
    padding-top: 24px;
    padding-bottom: 40px;
  }
}

/* ===== 強制修正：登入頁手機版不撐滿 ===== */
@media (max-width: 768px) {
  #page-login.page,
  #page-login.page.active {
    min-height: 0 !important;
    height: auto !important;
  }
  #page-login .login-section {
    min-height: 0 !important;
    height: auto !important;
    padding-bottom: 48px;
  }
}

/* 登入頁：section 填滿可視區，移除 page 的 min-height 避免雙重計算 */
@media (max-width: 768px) {
  #page-login.page,
  #page-login.page.active {
    min-height: 0 !important;
    height: auto !important;
    /* 背景從 page 層拿掉，由 section 負責 */
    background: transparent;
  }
  #page-login .login-section {
    min-height: calc(100dvh - 72px) !important;
    background: radial-gradient(ellipse at 50% 30%, rgba(52,61,70,0.22) 0%, #0a0a0a 70%);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
  }
}

/* ===== Pricing 手機版細部修正 ===== */

/* 登入提示橫幅：按鈕組填滿寬度 */
@media (max-width: 480px) {
  .pricing-login-notice-inner {
    gap: 12px;
    padding: 14px 12px;
  }
  .pricing-login-notice-inner > div {
    width: 100%;
    display: flex;
    gap: 8px;
  }
  .pricing-login-notice-inner > div .notice-btn,
  .pricing-login-notice-inner > div .btn-outline,
  .pricing-login-notice-inner > div .btn-primary {
    flex: 1 !important;
    min-width: 0 !important;
    padding: 10px 6px !important;
    font-size: 12px !important;
    text-align: center;
    white-space: nowrap;
  }
}

/* 說明條 pills：4 個全部塞進兩行，各佔 50% */
@media (max-width: 768px) {
  .pricing-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 28px;
    padding: 0 2px;
  }
  .pricing-intro-item {
    flex: unset;
    justify-content: center;
    font-size: 12px;
    padding: 8px 10px;
    text-align: center;
  }
}

/* 點數消耗表格：提示可橫滑 */
@media (max-width: 768px) {
  .pricing-table-wrap::before {
    content: '← 左右滑動查看完整表格 →';
    display: block;
    text-align: center;
    font-size: 11px;
    color: #555;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
  }
  .pricing-table {
    font-size: 12px;
  }
  .pricing-table th,
  .pricing-table td {
    padding: 10px 12px;
    white-space: nowrap;
  }
  .points-badge {
    font-size: 11px;
    padding: 3px 8px;
  }
}

/* 重要聲明框手機版 */
@media (max-width: 480px) {
  .pricing-notice-box {
    font-size: 12px;
    line-height: 1.7;
    padding: 12px 14px;
  }
}

/* 條款連結列：手機版 2×2 格狀排列 */
@media (max-width: 480px) {
  .terms-links-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    justify-items: center;
  }
  .terms-sep { display: none; }
  .terms-link {
    font-size: 12px;
    background: var(--dark2);
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    padding: 10px 8px;
    text-align: center;
    width: 100%;
    transition: border-color 0.2s;
  }
  .terms-link:hover { border-color: rgba(217,188,143,0.4); }
}


/* ── notice 按鈕組 ── */
.notice-btn-group {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .notice-btn-group {
    width: 100%;
    flex-shrink: 1;
    gap: 8px;
  }
  .notice-btn-group .notice-btn {
    flex: 1 1 0;
    min-width: 0;
    text-align: center;
    font-size: 13px !important;
    padding: 11px 8px !important;
    white-space: nowrap;
  }
}

@media (max-width: 360px) {
  .notice-btn-group { flex-direction: column; }
  .notice-btn-group .notice-btn { width: 100%; }
}

/* ============================================================
   ADMIN MOBILE RWD — 全裝置自適應後台
   支援：手機 / 平板 / 桌機 / iOS / Android
   ============================================================ */

/* 手機版：側邊欄改為頂部橫向 Tab Bar */
@media (max-width: 768px) {
  /* 覆蓋掉舊的 display:none */
  .admin-sidebar {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    border-right: none !important;
    border-bottom: 1px solid rgba(217,188,143,0.2) !important;
    padding: 0 !important;
    flex-shrink: 0;
  }

  .admin-brand {
    display: none !important; /* 手機省空間，隱藏標題 */
  }

  .admin-nav {
    display: flex !important;
    flex-direction: row !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scroll-snap-type: x mandatory;
    gap: 0 !important;
    padding: 0 !important;
    scrollbar-width: none;
  }
  .admin-nav::-webkit-scrollbar { display: none; }

  .admin-nav-item {
    flex-shrink: 0 !important;
    padding: 12px 14px !important;
    font-size: 12px !important;
    white-space: nowrap !important;
    border-left: none !important;
    border-bottom: 3px solid transparent !important;
    text-align: center !important;
    scroll-snap-align: start;
    min-height: 44px; /* iOS 觸控最小高度 */
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .admin-nav-item.active,
  .admin-nav-item:hover {
    border-left: none !important;
    border-bottom: 3px solid var(--gold) !important;
    background: rgba(217,188,143,0.08) !important;
  }

  /* 內容區手機版 padding 縮小 */
  .admin-content {
    padding: 16px !important;
    min-width: 0 !important;
    overflow-x: hidden !important;
  }

  .admin-section {
    flex-direction: column !important;
  }

  /* 後台卡片手機版 */
  .admin-header {
    flex-direction: column !important;
    gap: 10px !important;
    align-items: flex-start !important;
  }

  /* 統計卡片：手機2欄 */
  #tenderSummaryCards,
  #commissionSummaryCards,
  #profitSummaryCards {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  /* 表單 grid 手機全寬 */
  .modal-content [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

/* Modal 手機全螢幕優化 */
@media (max-width: 768px) {
  .modal {
    padding: 0 !important;
    align-items: flex-end !important; /* 從底部滑入，符合 iOS/Android 習慣 */
  }

  .modal.open {
    align-items: flex-end !important;
  }

  .modal-content {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    border-radius: 20px 20px 0 0 !important;
    max-height: 92vh !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding-bottom: env(safe-area-inset-bottom, 20px) !important; /* iPhone Home Bar 空間 */
  }

  .modal-header {
    padding: 16px 20px 12px !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1 !important;
    background: var(--dark2) !important;
    /* 頂部拖曳指示條 */
    border-top: 4px solid rgba(217,188,143,0.3) !important;
    border-radius: 20px 20px 0 0 !important;
  }

  /* Modal 內的 grid 表單手機單欄 */
  .modal-content > div > div[style*="grid"],
  .modal-content .form-group[style*="grid"] {
    grid-template-columns: 1fr !important;
  }
}

/* 極小螢幕（iPhone SE 等 375px 以下）*/
@media (max-width: 480px) {
  .admin-nav-item {
    padding: 10px 10px !important;
    font-size: 11px !important;
  }

  .admin-content {
    padding: 12px !important;
  }

  #tenderSummaryCards,
  #commissionSummaryCards,
  #profitSummaryCards {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px !important;
  }
}

/* 平板（768px ~ 1024px）：側邊欄縮窄 */
@media (min-width: 769px) and (max-width: 1024px) {
  .admin-sidebar {
    width: 180px !important;
  }

  .admin-nav-item {
    padding: 12px 16px !important;
    font-size: 13px !important;
  }

  .admin-content {
    padding: 24px !important;
  }
}

/* iOS Safe Area 支援（iPhone X 以上的 notch / Dynamic Island）*/
@supports (padding: env(safe-area-inset-top)) {
  .admin-section {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
}

/* 觸控裝置：所有可點擊的元素確保至少 44px 高度 */
@media (hover: none) and (pointer: coarse) {
  .admin-nav-item {
    min-height: 44px !important;
  }

  button, .btn-primary, .btn-outline, .btn-sm {
    min-height: 44px !important;
  }

  /* 標案里程碑手機觸控區放大 */
  .milestone-item {
    padding: 10px 12px !important;
    min-height: 44px !important;
  }

  /* 輸入框放大字體防止 iOS 自動放大頁面 */
  input, select, textarea {
    font-size: 16px !important;
  }
}

/* PWA 全螢幕模式（加到主畫面後）*/
@media (display-mode: standalone) {
  #navbar {
    padding-top: env(safe-area-inset-top, 0px);
  }

  .admin-section {
    min-height: calc(100vh - 72px - env(safe-area-inset-top, 0px));
  }
}

/* Modal 手機版：固定在底部，完整覆蓋 */
@media (max-width: 768px) {
  .modal.open {
    display: flex !important;
    align-items: flex-end !important;
    justify-content: center !important;
    padding: 0 !important;
    overflow: hidden !important;
  }

  .modal-content {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    border-radius: 20px 20px 0 0 !important;
    max-height: 88vh !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding-bottom: max(env(safe-area-inset-bottom, 16px), 16px) !important;
    /* 底部滑入動畫 */
    animation: slideUpModal 0.28s cubic-bezier(0.32, 0.72, 0, 1) !important;
  }

  @keyframes slideUpModal {
    from { transform: translateY(100%); opacity: 0.8; }
    to   { transform: translateY(0);    opacity: 1; }
  }

  .modal-header {
    position: sticky !important;
    top: 0 !important;
    z-index: 2 !important;
    background: var(--dark2) !important;
    padding: 14px 20px 12px !important;
    border-radius: 20px 20px 0 0 !important;
    /* 頂部拖曳 handle 指示條 */
    background-image: linear-gradient(transparent 8px, transparent 8px),
      radial-gradient(ellipse 40px 4px at 50% 8px, rgba(217,188,143,0.35) 100%, transparent 100%) !important;
  }

  .modal-footer {
    padding: 16px 20px !important;
    position: sticky !important;
    bottom: 0 !important;
    background: var(--dark2) !important;
    border-top: 1px solid rgba(217,188,143,0.1) !important;
    gap: 10px !important;
  }

  .modal-footer .btn-primary,
  .modal-footer .btn-outline {
    flex: 1 !important;
    min-height: 48px !important;
    font-size: 16px !important;
  }

  /* 手機版 form grid 強制單欄 */
  .modal-content div[style*="grid-template-columns:1fr 1fr"],
  .modal-content div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

/* Modal 捲動修正：手機版容器固定，內容區獨立捲動 */
@media (max-width: 768px) {
  .modal.open {
    overflow: hidden !important;
    overflow-y: hidden !important;
  }

  .modal-content {
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
    /* 確保高度不超出螢幕 */
    max-height: 88vh !important;
    height: auto !important;
  }

  /* 防止 body 在 Modal 開啟時被捲動 */
  body.modal-open {
    overflow: hidden !important;
    position: fixed !important;
    width: 100% !important;
  }
}