/* ═══ DRT Website Shared Styles ═══ */
:root {
  --brand: #185FA5;
  --brand-light: #E6F1FB;
  --brand-dark: #0D3B6E;
  --accent: #0F6E56;
  --accent-light: #E1F5EE;
  --amber: #BA7517;
  --amber-light: #FAEEDA;
  --text: #2C2C2A;
  --muted: #6B6A65;
  --border: rgba(44,44,42,0.10);
  --surface: #F8F9FB;
  --white: #FFFFFF;
  --dark: #0D1B2A;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, sans-serif;
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── NAVIGATION ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: var(--shadow); }

.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 16px; font-weight: 600; color: var(--brand);
  text-decoration: none; letter-spacing: -0.3px;
  display: flex; align-items: center; gap: 8px;
}
.nav-logo svg { width: 32px; height: 32px; }

.nav-links {
  display: flex; gap: 4px; list-style: none; align-items: center;
}
.nav-links a {
  text-decoration: none; color: var(--muted);
  font-size: 13.5px; padding: 6px 14px; border-radius: 20px;
  transition: all 0.2s; white-space: nowrap;
}
.nav-links a:hover { background: var(--brand-light); color: var(--brand); }
.nav-links a.active { background: var(--brand-light); color: var(--brand); font-weight: 500; }

/* Language toggle */
.lang-switch { margin-left: 8px; }
.lang-switch button {
  background: var(--brand-light); color: var(--brand); border: none;
  padding: 5px 12px; border-radius: 16px; font-size: 12px; font-weight: 600;
  cursor: pointer; font-family: inherit; transition: all 0.2s;
}
.lang-switch button:hover { background: var(--brand); color: #fff; }

.nav-toggle {
  display: none; background: none; border: none;
  cursor: pointer; padding: 8px; color: var(--text);
}
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 900px) {
  .nav-links a { padding: 6px 8px; font-size: 12.5px; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column; padding: 16px 32px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-links a { padding: 10px 0; border-radius: 0; font-size: 15px; }
}

/* ── SECTIONS ── */
section { padding: 88px 32px; }

.section-inner { max-width: 1100px; margin: 0 auto; }

.section-tag {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--brand); margin-bottom: 12px; font-weight: 600;
}
.section-title {
  font-size: 32px; font-weight: 600; color: var(--text);
  margin-bottom: 8px; letter-spacing: -0.5px;
}
.section-line {
  width: 48px; height: 3px; background: var(--brand);
  border-radius: 2px; margin-bottom: 40px;
}
.section-sub {
  font-size: 17px; color: var(--muted); margin-bottom: 32px;
  max-width: 600px;
}

/* ── PAGE HERO (sub-page banner) ── */
.page-hero {
  background: var(--dark); color: #fff;
  padding: 140px 32px 72px;
  position: relative; overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(24,95,165,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(15,110,86,0.15) 0%, transparent 60%);
}
.page-hero-inner { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; }
.page-hero .section-tag { color: #85B7EB; }
.page-hero .section-title { color: #fff; font-size: 38px; }
.page-hero .section-line { background: #85B7EB; margin-bottom: 0; }
.page-hero .section-sub { color: #B5D4F4; margin: 20px 0 0; max-width: 640px; }

/* ── HERO (home) ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  background: var(--dark);
  color: #fff;
  position: relative; overflow: hidden;
  padding-top: 64px;
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(24,95,165,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(15,110,86,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 60% 80%, rgba(186,117,23,0.08) 0%, transparent 60%);
}

.hero-grid {
  position: relative; z-index: 1;
  width: 100%; max-width: 1200px; margin: 0 auto;
  padding: 0 32px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(24,95,165,0.3);
  border: 1px solid rgba(133,183,235,0.3);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: 13px; color: #B5D4F4;
  margin-bottom: 28px; letter-spacing: 1px;
}

.hero-title {
  font-size: 46px; font-weight: 600; line-height: 1.2;
  margin-bottom: 20px; letter-spacing: -1px;
}
.hero-title span { color: #85B7EB; }

.hero-desc {
  font-size: 17px; color: #B5D4F4; line-height: 1.7;
  margin-bottom: 36px; max-width: 500px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 100px;
  font-size: 14px; font-weight: 500; text-decoration: none;
  transition: all 0.25s; cursor: pointer; border: none;
  font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: #155291; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(24,95,165,0.35); }
.btn-outline {
  background: transparent; color: #B5D4F4;
  border: 1px solid rgba(133,183,235,0.4);
}
.btn-outline:hover { background: rgba(24,95,165,0.15); border-color: rgba(133,183,235,0.6); }

.hero-visual { display: flex; align-items: center; justify-content: center; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
}
@media (max-width: 600px) {
  .hero-title { font-size: 32px; }
  .hero-desc { font-size: 15px; }
  section { padding: 56px 20px; }
  .section-title { font-size: 26px; }
  .page-hero { padding: 120px 20px 56px; }
  .page-hero .section-title { font-size: 30px; }
}

/* ── CARDS ── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.card-sm { padding: 24px; }

/* ── PAGE ENTRY CARDS (home explore) ── */
.page-card {
  display: block; text-decoration: none;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: transform 0.25s, box-shadow 0.25s;
  color: var(--text);
}
.page-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.page-card h4 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.page-card p { font-size: 13.5px; color: var(--muted); line-height: 1.7; margin-bottom: 16px; }
.page-card .go { font-size: 13px; font-weight: 600; }
.page-card.pc-blue h4 { color: var(--brand); }
.page-card.pc-blue .go { color: var(--brand); }
.page-card.pc-green h4 { color: var(--accent); }
.page-card.pc-green .go { color: var(--accent); }
.page-card.pc-amber h4 { color: var(--amber); }
.page-card.pc-amber .go { color: var(--amber); }
.page-card.pc-dark h4 { color: var(--brand-dark); }
.page-card.pc-dark .go { color: var(--brand-dark); }

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── METRICS ── */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.metric {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 24px;
  text-align: center;
}
.metric-value { font-size: 32px; font-weight: 600; color: var(--brand); line-height: 1.2; }
.metric-label { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* ── INFO BOX ── */
.info-box {
  border-left: 3px solid var(--brand);
  background: var(--brand-light);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px; line-height: 1.7;
  margin-bottom: 20px;
}
.info-box.green { border-left-color: var(--accent); background: var(--accent-light); }
.info-box.amber { border-left-color: var(--amber); background: var(--amber-light); }

/* ── DARK SECTION ── */
.section-dark { background: var(--dark); color: #E6F1FB; }
.section-dark .section-tag { color: #85B7EB; }
.section-dark .section-title { color: #fff; }
.section-dark .section-line { background: #85B7EB; }
.section-dark .card {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
  color: #E6F1FB;
}
.section-dark .metric-value { color: #85B7EB; }
.section-dark .metric-label { color: #85B7EB; }
.section-dark .metric { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.08); }

/* ── CEO SECTION ── */
.ceo-section { background: var(--white); }
.ceo-grid {
  display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: start;
}
.ceo-photo {
  width: 100%; aspect-ratio: 1; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 72px; font-weight: 300;
  position: relative; overflow: hidden;
}
.ceo-photo::before {
  content: ''; position: absolute;
  width: 200px; height: 200px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  top: -40px; right: -40px;
}
.ceo-photo::after {
  content: ''; position: absolute;
  width: 140px; height: 140px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
  bottom: -30px; left: -30px;
}
.ceo-photo-inner {
  position: relative; z-index: 1; text-align: center;
  font-size: 16px; letter-spacing: 2px;
}
.ceo-photo-inner .initials { font-size: 64px; font-weight: 200; line-height: 1; }
.ceo-photo-inner .role { font-size: 12px; opacity: 0.7; margin-top: 8px; }

.ceo-name { font-size: 28px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.ceo-title-badge {
  display: inline-block;
  background: var(--brand-light); color: var(--brand);
  font-size: 13px; padding: 4px 14px; border-radius: 100px;
  margin-bottom: 24px; font-weight: 500;
}
.ceo-bio { font-size: 15px; color: var(--text); line-height: 1.85; margin-bottom: 24px; }

.ceo-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-bottom: 28px; }
.ceo-stat {
  background: var(--surface); border-radius: var(--radius-sm);
  padding: 16px; text-align: center;
}
.ceo-stat-val { font-size: 26px; font-weight: 600; color: var(--brand); }
.ceo-stat-lbl { font-size: 12px; color: var(--muted); margin-top: 4px; }

.ceo-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ceo-detail-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px; background: var(--surface); border-radius: var(--radius-sm);
}
.ceo-detail-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--brand-light); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.ceo-detail-text strong { display: block; font-size: 13px; color: var(--text); margin-bottom: 2px; }
.ceo-detail-text span { font-size: 13px; color: var(--muted); }

@media (max-width: 768px) {
  .ceo-grid { grid-template-columns: 1fr; gap: 32px; }
  .ceo-photo { max-width: 240px; }
  .ceo-detail-grid { grid-template-columns: 1fr; }
}

/* ── BUSINESS STREAMS ── */
.stream-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative; overflow: hidden;
}
.stream-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.stream-num { font-size: 11px; font-weight: 600; letter-spacing: 1px; margin-bottom: 12px; }
.stream-num.blue { color: var(--brand); }
.stream-num.green { color: var(--accent); }
.stream-num.amber { color: var(--amber); }
.stream-num.red { color: #A32D2D; }

.stream-card h4 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.stream-card p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 16px; }
.stream-pct { font-size: 13px; font-weight: 500; }
.stream-pct.blue { color: var(--brand); }
.stream-pct.green { color: var(--accent); }
.stream-pct.amber { color: var(--amber); }
.stream-pct.red { color: #A32D2D; }

/* ── TECHNOLOGY TAGS ── */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.tag {
  display: inline-block; padding: 6px 14px;
  border-radius: 100px; font-size: 12px; font-weight: 500;
}
.tag.blue { background: var(--brand-light); color: var(--brand); }
.tag.amber { background: var(--amber-light); color: var(--amber); }

/* ── TIMELINE ── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 11px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.tl-item { position: relative; margin-bottom: 36px; }
.tl-dot {
  position: absolute; left: -32px; top: 5px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--brand); border: 3px solid var(--brand-light);
}
.tl-dot.green { background: var(--accent); border-color: var(--accent-light); }
.tl-period { font-size: 12px; color: var(--brand); font-weight: 600; margin-bottom: 4px; }
.tl-period.green { color: var(--accent); }
.tl-title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.tl-desc { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.contact-item {
  display: flex; gap: 14px; align-items: flex-start; padding: 20px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.contact-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--brand-light); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.contact-text strong { font-size: 14px; display: block; margin-bottom: 4px; }
.contact-text span { font-size: 13px; color: var(--muted); }

@media (max-width: 600px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ── FOOTER ── */
.footer {
  background: var(--dark); color: #85B7EB;
  padding: 48px 32px 32px;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
}
.footer h4 { color: #E6F1FB; font-size: 14px; margin-bottom: 16px; font-weight: 600; }
.footer p, .footer a { font-size: 13px; line-height: 2; color: #85B7EB; text-decoration: none; }
.footer a:hover { color: #B5D4F4; }
.footer-bottom {
  max-width: 1100px; margin: 32px auto 0; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 12px; color: rgba(133,183,235,0.5);
  text-align: center;
}
/* ── 部署状态徽章 ── */
.deploy-badge {
  max-width: 1100px; margin: 20px auto 0;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px;
  background: rgba(23, 94, 166, 0.18);
  border: 1px solid rgba(70, 150, 220, 0.35);
  border-radius: 999px;
  font-size: 12.5px; color: #A8CEF2; text-align: center;
  line-height: 1.7;
}
.deploy-badge b { color: #4ADE80; font-weight: 700; }
.deploy-badge::before {
  content: ''; flex: 0 0 8px; width: 8px; height: 8px; border-radius: 50%;
  background: #4ADE80; box-shadow: 0 0 8px rgba(74, 222, 128, 0.9);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}
@media (max-width: 768px) {
  .deploy-badge { margin: 20px 16px 0; }
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ── ANIMATIONS ── */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── TAS visual ── */
.tas-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tas-item {
  text-align: center; padding: 32px 20px;
  background: var(--white); border-radius: var(--radius);
  border: 1px solid var(--border);
}
.tas-letter { font-size: 40px; font-weight: 700; margin-bottom: 12px; }
.tas-letter.blue { color: var(--brand); }
.tas-letter.green { color: var(--accent); }
.tas-letter.amber { color: var(--amber); }
.tas-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.tas-item p { font-size: 13px; color: var(--muted); line-height: 1.6; }

@media (max-width: 768px) {
  .tas-grid { grid-template-columns: 1fr; }
}

/* ── PRODUCT CARDS ── */
.prod-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: transform 0.25s, box-shadow 0.25s;
  display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.prod-badge {
  display: inline-block; align-self: flex-start;
  font-size: 11px; font-weight: 600; letter-spacing: 0.5px;
  padding: 4px 12px; border-radius: 100px; margin-bottom: 16px;
}
.prod-badge.blue { background: var(--brand-light); color: var(--brand); }
.prod-badge.green { background: var(--accent-light); color: var(--accent); }
.prod-brand { font-size: 22px; font-weight: 700; letter-spacing: -0.3px; margin-bottom: 4px; }
.prod-sub { font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.prod-card > p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 18px; flex: 1; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 12px; padding: 5px 12px; border-radius: 6px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-weight: 500; white-space: nowrap;
}
.section-dark .chip { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); color: #E6F1FB; }

/* ── COMPARISON TABLE ── */
.cmp-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
.cmp-table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--white); }
.cmp-table th, .cmp-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.cmp-table thead th { background: var(--brand-dark); color: #fff; font-size: 13px; font-weight: 600; white-space: nowrap; }
.cmp-table tbody tr:last-child td { border-bottom: none; }
.cmp-table tbody tr:hover { background: var(--brand-light); }
.cmp-table td:first-child { font-weight: 600; }
.cmp-adv { color: var(--accent); font-weight: 700; }

/* ── 产品详情页链接（列表卡片内） ── */
.detail-link {
  display: block; margin-top: 14px;
  font-size: 13px; font-weight: 600;
  color: var(--brand); text-decoration: none;
  transition: all 0.2s;
}
.detail-link:hover { transform: translateX(4px); opacity: 0.85; }

/* ═══ CHECKOUT / PRICING ═══ */
.pricing-bar {
  border-top: 1px dashed var(--border);
  margin-top: 18px; padding-top: 14px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
}
.price-hint { font-size: 12px; color: var(--muted); line-height: 1.4; }
.price-val { font-size: 17px; font-weight: 700; color: var(--text); }
.buy-btn {
  background: var(--brand); color: #fff; border: none;
  padding: 9px 20px; border-radius: 100px; font-size: 13px;
  font-weight: 500; cursor: pointer; font-family: inherit;
  transition: all 0.2s; white-space: nowrap;
}
.buy-btn:hover { background: #155291; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(24,95,165,0.35); }

.checkout-overlay {
  position: fixed; inset: 0; z-index: 9998;
  background: rgba(13,27,42,0.65);
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.checkout-overlay.open { display: flex; }
.checkout-modal {
  background: #fff; border-radius: 16px;
  max-width: 540px; width: 100%; max-height: 92vh;
  overflow-y: auto; padding: 32px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.3);
  position: relative;
}
.ck-close {
  position: absolute; top: 16px; right: 16px;
  background: var(--surface); border: none; width: 32px; height: 32px;
  border-radius: 50%; cursor: pointer; font-size: 16px; color: var(--muted);
}
.ck-close:hover { background: var(--border); color: var(--text); }
.ck-badge { font-size: 11px; font-weight: 600; letter-spacing: 1px; color: var(--brand); margin-bottom: 6px; }
.ck-title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.ck-sub { font-size: 13px; color: var(--muted); margin-bottom: 20px; }

.ck-label { font-size: 12px; font-weight: 600; color: var(--muted); margin: 16px 0 8px; letter-spacing: 0.5px; }
.ck-seg { display: flex; gap: 8px; }
.ck-seg button {
  flex: 1; padding: 9px 6px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface);
  font-size: 13px; cursor: pointer; font-family: inherit; color: var(--text);
  transition: all 0.15s; white-space: nowrap;
}
.ck-seg button:hover { border-color: var(--brand); }
.ck-seg button.on { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

.ck-tiers { display: flex; flex-direction: column; gap: 8px; }
.ck-tier {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border: 1px solid var(--border);
  border-radius: 10px; cursor: pointer; transition: all 0.15s;
  background: var(--surface);
}
.ck-tier:hover { border-color: var(--brand); }
.ck-tier.on { border-color: var(--brand); background: var(--brand-light); }
.ck-tier .t-name { font-size: 14px; font-weight: 600; }
.ck-tier .t-desc { font-size: 12px; color: var(--muted); margin-top: 2px; }
.ck-tier .t-price { font-size: 16px; font-weight: 700; color: var(--brand); text-align: right; }

.ck-input {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; font-family: inherit;
  margin-bottom: 10px; box-sizing: border-box;
}
.ck-input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-light); }
.ck-submit {
  width: 100%; padding: 13px; border: none; border-radius: 100px;
  background: var(--brand); color: #fff; font-size: 15px; font-weight: 600;
  cursor: pointer; font-family: inherit; margin-top: 8px;
}
.ck-submit:hover { background: #155291; }
.ck-error { color: #E24B4A; font-size: 13px; margin-top: 8px; display: none; }

.ck-success { text-align: center; padding: 12px 0; }
.ck-success .ok-icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  background: var(--accent-light); color: var(--accent);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.ck-ref { font-size: 12px; color: var(--muted); background: var(--surface); padding: 8px 14px; border-radius: 6px; display: inline-block; margin-bottom: 20px; }
.ck-amount { font-size: 26px; font-weight: 700; color: var(--brand); margin: 6px 0 2px; }

.pay-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.pay-box {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; text-align: center; background: var(--surface);
}
.pay-box .p-icon { font-size: 24px; margin-bottom: 6px; }
.pay-box .p-name { font-size: 13px; font-weight: 600; }
.pay-box .p-note { font-size: 11px; color: var(--muted); margin-top: 4px; }
.pay-qr-ph {
  width: 110px; height: 110px; margin: 10px auto 0;
  border: 2px dashed var(--border); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--muted); line-height: 1.5; padding: 8px;
  background: #fff;
}
.bank-box {
  margin-top: 12px; border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; font-size: 12.5px; line-height: 1.8; background: var(--surface);
  color: var(--text);
}
.bank-box strong { color: var(--brand); }
.ck-note { font-size: 12px; color: var(--muted); margin-top: 16px; line-height: 1.7; }

@media (max-width: 480px) {
  .checkout-modal { padding: 24px 18px; }
  .pay-grid { grid-template-columns: 1fr; }
  .ck-seg { flex-wrap: wrap; }
}