/* 蔡甸莲藕 · 溯源鉴真专属页 */
:root {
  --lotus-bg: #f7faf8;
  --lotus-bg-soft: #eef6f1;
  --lotus-card: #ffffff;
  --lotus-text: #1a2e24;
  --lotus-muted: #5c7268;
  --lotus-dim: #8fa396;
  --lotus-green: #2d6a4f;
  --lotus-green-light: #40916c;
  --lotus-green-pale: #d8f3dc;
  --lotus-pink: #e8a0bf;
  --lotus-pink-soft: #fce4ec;
  --lotus-gold: #b8860b;
  --lotus-border: rgba(45, 106, 79, 0.12);
  --lotus-shadow: 0 8px 32px rgba(45, 106, 79, 0.08);
  --header-h: 64px;
  --max-w: 1080px;
  --radius: 16px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--lotus-bg);
  color: var(--lotus-text);
  line-height: 1.65;
}

a { color: var(--lotus-green); text-decoration: none; }
a:hover { text-decoration: underline; }

.lotus-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--lotus-border);
}

.lotus-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.lotus-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.lotus-brand:hover { text-decoration: none; }

.lotus-brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--lotus-pink-soft), var(--lotus-green-pale));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.lotus-brand-text strong {
  display: block;
  font-size: 16px;
  color: var(--lotus-green);
  letter-spacing: 0.5px;
}

.lotus-brand-text span {
  font-size: 11px;
  color: var(--lotus-dim);
  letter-spacing: 1px;
}

.lotus-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.lotus-nav a {
  font-size: 14px;
  color: var(--lotus-muted);
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
}

.lotus-nav a:hover,
.lotus-nav a.active {
  color: var(--lotus-green);
  background: var(--lotus-green-pale);
  text-decoration: none;
}

.lotus-nav .nav-cta {
  background: var(--lotus-green);
  color: #fff !important;
  font-weight: 600;
}

.lotus-nav .nav-cta:hover {
  background: var(--lotus-green-light);
}

.lotus-menu-btn {
  display: none;
  border: none;
  background: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--lotus-green);
}

.lotus-main { padding-top: var(--header-h); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero */
.lotus-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 20px 48px;
  background:
    radial-gradient(ellipse 80% 60% at 90% 10%, rgba(232, 160, 191, 0.18), transparent),
    radial-gradient(ellipse 70% 50% at 0% 80%, rgba(64, 145, 108, 0.12), transparent),
    linear-gradient(180deg, #fff, var(--lotus-bg-soft));
}

.lotus-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.gi-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--lotus-green-pale);
  border: 1px solid var(--lotus-border);
  color: var(--lotus-green);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.lotus-hero h1 {
  font-size: clamp(28px, 4.5vw, 40px);
  line-height: 1.25;
  margin-bottom: 14px;
  color: var(--lotus-text);
}

.lotus-hero h1 em {
  font-style: normal;
  color: var(--lotus-green);
}

.lotus-hero-lead {
  font-size: 16px;
  color: var(--lotus-muted);
  margin-bottom: 24px;
  max-width: 520px;
}

.lotus-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--lotus-green);
  color: #fff;
  box-shadow: 0 4px 16px rgba(45, 106, 79, 0.25);
}

.btn-primary:hover { background: var(--lotus-green-light); color: #fff; }

.btn-outline {
  background: #fff;
  color: var(--lotus-green);
  border: 1px solid var(--lotus-border);
}

.lotus-hero-visual {
  background: var(--lotus-card);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--lotus-shadow);
  border: 1px solid var(--lotus-border);
}

.lotus-hero-visual h3 {
  font-size: 15px;
  color: var(--lotus-muted);
  margin-bottom: 16px;
  font-weight: 500;
}

.trace-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.trace-flow-item {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  position: relative;
}

.trace-flow-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 15px;
  top: 40px;
  bottom: -4px;
  width: 2px;
  background: var(--lotus-green-pale);
}

.trace-flow-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--lotus-green-pale);
  color: var(--lotus-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  z-index: 1;
}

.trace-flow-body strong {
  display: block;
  font-size: 14px;
  margin-bottom: 2px;
}

.trace-flow-body span {
  font-size: 12px;
  color: var(--lotus-dim);
}

/* Sections */
.section {
  padding: 56px 0;
}

.section-alt {
  background: var(--lotus-bg-soft);
}

.section-head {
  text-align: center;
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: clamp(22px, 3vw, 28px);
  margin-bottom: 10px;
}

.section-head p {
  color: var(--lotus-muted);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.info-card {
  background: var(--lotus-card);
  border: 1px solid var(--lotus-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.info-card .icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.info-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--lotus-green);
}

.info-card p {
  font-size: 14px;
  color: var(--lotus-muted);
  line-height: 1.6;
}

.info-card ul {
  margin-top: 10px;
  padding-left: 18px;
  font-size: 13px;
  color: var(--lotus-muted);
}

.info-card li { margin-bottom: 4px; }

/* Query */
.query-panel {
  max-width: 640px;
  margin: 0 auto;
  background: var(--lotus-card);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--lotus-shadow);
  border: 1px solid var(--lotus-border);
}

.query-panel h2 {
  text-align: center;
  font-size: 22px;
  margin-bottom: 8px;
}

.query-panel .sub {
  text-align: center;
  font-size: 14px;
  color: var(--lotus-muted);
  margin-bottom: 24px;
}

.search-row {
  display: flex;
  gap: 8px;
  background: var(--lotus-bg);
  border: 1px solid var(--lotus-border);
  border-radius: 12px;
  padding: 6px;
}

.search-row input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 12px 14px;
  font-size: 16px;
  outline: none;
  color: var(--lotus-text);
}

.search-row input::placeholder { color: var(--lotus-dim); }

.search-row button {
  flex-shrink: 0;
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  background: var(--lotus-green);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.search-row button:hover { background: var(--lotus-green-light); }

.query-hint {
  margin-top: 16px;
  font-size: 13px;
  color: var(--lotus-dim);
  text-align: center;
  line-height: 1.6;
}

.query-msg {
  display: none;
  margin-top: 20px;
  padding: 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.6;
}

.query-msg.show { display: block; }

.query-msg.info {
  background: var(--lotus-green-pale);
  color: var(--lotus-green);
  border: 1px solid var(--lotus-border);
}

.query-msg.warn {
  background: #fff8e6;
  color: #8a6d00;
  border: 1px solid #f0e0a0;
}

/* Phase */
.phase-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.phase-item {
  background: var(--lotus-card);
  border: 1px solid var(--lotus-border);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
}

.phase-item .phase-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--lotus-pink);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.phase-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.phase-item p {
  font-size: 13px;
  color: var(--lotus-muted);
}

.phase-item.current {
  border-color: var(--lotus-green);
  box-shadow: 0 0 0 1px var(--lotus-green);
}

.phase-item.current::before {
  content: '当前阶段';
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 11px;
  background: var(--lotus-green);
  color: #fff;
  padding: 2px 8px;
  border-radius: 999px;
}

/* Footer */
.lotus-footer {
  background: var(--lotus-text);
  color: rgba(255, 255, 255, 0.75);
  padding: 40px 20px 28px;
  font-size: 13px;
}

.lotus-footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
}

.lotus-footer h4 {
  color: #fff;
  font-size: 14px;
  margin-bottom: 12px;
}

.lotus-footer a { color: rgba(255, 255, 255, 0.85); }
.lotus-footer a:hover { color: var(--lotus-pink-soft); }

.lotus-footer ul { list-style: none; }
.lotus-footer li { margin-bottom: 8px; }

.lotus-footer-bottom {
  max-width: var(--max-w);
  margin: 28px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 12px;
}

@media (max-width: 900px) {
  .lotus-hero-inner { grid-template-columns: 1fr; }
  .card-grid, .phase-list { grid-template-columns: 1fr; }
  .lotus-footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .lotus-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    background: #fff;
    padding: 12px;
    border-bottom: 1px solid var(--lotus-border);
    box-shadow: var(--lotus-shadow);
  }
  .lotus-nav.mobile-open { display: flex; }
  .lotus-menu-btn { display: block; }
  .lotus-header-inner { position: relative; }
  .search-row { flex-direction: column; }
  .search-row button { width: 100%; }
}