:root {
  --bg: #f7f2ea;
  --surface: rgba(255, 255, 255, 0.84);
  --text: #22201c;
  --muted: #6d645a;
  --brand: #ef2b1f;
  --brand-deep: #b81f18;
  --line: rgba(34, 32, 28, 0.1);
  --shadow: 0 20px 50px rgba(104, 72, 37, 0.12);
  --radius-lg: 28px;
  --container: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(239, 43, 31, 0.18), transparent 28%),
    radial-gradient(circle at right 20%, rgba(255, 193, 123, 0.22), transparent 30%),
    linear-gradient(180deg, #fffaf4 0%, var(--bg) 56%, #f4ede2 100%);
  min-height: 100vh;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  position: relative;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 999px;
  filter: blur(24px);
  z-index: -1;
  pointer-events: none;
}

.page-shell::before {
  top: -90px;
  right: -80px;
  background: rgba(239, 43, 31, 0.1);
}

.page-shell::after {
  bottom: 8%;
  left: -140px;
  background: rgba(255, 201, 159, 0.2);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(255, 250, 244, 0.82);
  border-bottom: 1px solid rgba(34, 32, 28, 0.06);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  height: 52px;
  width: auto;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 20px rgba(239, 43, 31, 0.15);
  flex-shrink: 0;
}

.brand-mark img {
  height: 100%;
  width: auto;
  max-width: none;
}

.brand-copy {
  min-width: 0;
}

.brand-name {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-tag {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--brand-deep);
  background: rgba(239, 43, 31, 0.1);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 16px;
  background: rgba(239, 43, 31, 0.12);
  color: var(--brand-deep);
}

.main {
  width: var(--container);
  margin: 0 auto;
  padding: 40px 0 72px;
}

.hero {
  padding: 40px 0 64px;
}

.hero-grid,
.detail-grid,
.grid-3,
.grid-2,
.feature-grid,
.contact-grid,
.stats {
  display: grid;
  gap: 20px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  align-items: stretch;
}

.hero-side {
  display: grid;
  gap: 20px;
}

.page-hero-grid,
.split-section,
.number-grid,
.process-grid,
.story-grid,
.quote-grid {
  display: grid;
  gap: 20px;
}

.page-hero-grid,
.split-section {
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: stretch;
}

.story-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  align-items: stretch;
}

.quote-grid {
  grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1.24fr);
  align-items: stretch;
}

.number-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.number-grid--row {
  margin-top: 20px;
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.detail-grid {
  grid-template-columns: minmax(0, 0.84fr) minmax(320px, 1.16fr);
  gap: 24px;
}

.grid-3,
.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2,
.contact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.hero-panel,
.panel,
.card,
.feature-card,
.timeline-item,
.detail-card,
.contact-card,
.stat-card,
.strip,
.page-hero-panel,
.page-side-card,
.number-card,
.process-card,
.quote-panel {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
}

.hero-panel,
.card,
.feature-card,
.timeline-item,
.detail-card,
.contact-card,
.strip,
.page-hero-panel,
.page-side-card,
.number-card,
.process-card,
.quote-panel {
  padding: 28px;
}

.page-hero {
  padding: 18px 0 8px;
}

.page-hero-panel {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(255, 240, 231, 0.84)),
    rgba(255, 255, 255, 0.84);
}

.page-hero-panel::after,
.quote-panel::after {
  content: "";
  position: absolute;
  inset: auto auto -70px -50px;
  width: 220px;
  height: 220px;
  border-radius: 48px;
  background: linear-gradient(180deg, rgba(239, 43, 31, 0.14), rgba(239, 43, 31, 0));
  transform: rotate(-18deg);
}

.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(239, 43, 31, 0.08);
  color: var(--brand-deep);
  font-weight: 700;
}

.page-kicker::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--brand);
}

.page-hero-panel h1,
.quote-panel h2 {
  margin: 18px 0 14px;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.page-hero-panel p,
.page-side-card p,
.quote-panel p,
.number-card p,
.process-card p {
  color: var(--muted);
  line-height: 1.8;
}

.page-side-card strong,
.number-card strong,
.process-card strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.hero-lead {
  font-size: 1.04rem;
}

.mini-note {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.soft-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.soft-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.soft-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--brand);
}

.number-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 243, 236, 0.92));
}

.number-card .big-number {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.process-card {
  position: relative;
  overflow: hidden;
}

.process-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), #ff8a2a);
}

.process-no {
  margin: 0 0 10px;
  color: var(--brand-deep);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.quote-panel {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(239, 43, 31, 0.12), rgba(255, 214, 188, 0.38)),
    rgba(255, 255, 255, 0.9);
}

.quote-panel blockquote {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  line-height: 1.6;
  font-weight: 700;
}

.quote-panel blockquote::before {
  content: "“";
  color: var(--brand);
}

.quote-panel blockquote::after {
  content: "”";
  color: var(--brand);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(34, 32, 28, 0.08);
  color: var(--muted);
}

.hero-panel {
  padding: 42px;
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 240px;
  height: 240px;
  border-radius: 48px;
  background: linear-gradient(180deg, rgba(239, 43, 31, 0.18), rgba(239, 43, 31, 0));
  transform: rotate(18deg);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--brand-deep);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--brand);
  box-shadow: 0 0 0 6px rgba(239, 43, 31, 0.12);
}

.hero h1,
.page-title h1 {
  margin: 22px 0 16px;
  font-size: clamp(2.4rem, 4.8vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero p,
.page-title p,
.section-head p,
.card p,
.feature-card p,
.detail-card p,
.contact-card p,
.timeline-item p,
.stat-label,
.footer-copy {
  color: var(--muted);
  line-height: 1.8;
}

.hero-actions,
.badge-row,
.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, #ff6b2d 100%);
  box-shadow: 0 16px 30px rgba(239, 43, 31, 0.22);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.76);
  border-color: rgba(34, 32, 28, 0.08);
}

.stat-card {
  padding: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 241, 233, 0.9));
}

.stat-label {
  margin: 0;
  font-size: 0.9rem;
}

.stat-value {
  margin: 12px 0 0;
  font-size: 1.45rem;
  font-weight: 700;
}

.showcase {
  padding: 26px;
}

.showcase-media {
  border-radius: 22px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(34, 32, 28, 0.08);
}

.showcase-copy {
  margin-top: 18px;
}

.page-title {
  padding: 30px 0 14px;
}

.crumb {
  color: var(--muted);
  font-size: 0.94rem;
}

.section {
  padding: 34px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 22px;
}

.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.03em;
}

.card h3,
.feature-card h3,
.detail-card h3,
.timeline-item h3,
.contact-card h3,
.showcase-copy h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.icon-chip {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  margin-bottom: 16px;
  background: linear-gradient(180deg, rgba(239, 43, 31, 0.14), rgba(239, 43, 31, 0.06));
  color: var(--brand-deep);
  font-weight: 700;
}

.icon-chip svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  flex-shrink: 0;
}

.strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, rgba(239, 43, 31, 0.1), rgba(255, 196, 162, 0.28));
}

.strip strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.strip p {
  margin: 0;
}

.list,
.contact-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}

.list-tight {
  margin-top: 14px;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  position: relative;
  padding-left: 78px;
}

.timeline-item::before {
  content: attr(data-step);
  position: absolute;
  top: 28px;
  left: 28px;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand) 0%, #ff7a2f 100%);
}

.detail-card table {
  width: 100%;
  border-collapse: collapse;
}

.detail-card th,
.detail-card td {
  text-align: left;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.detail-card th {
  width: 140px;
  color: var(--muted);
  font-weight: 500;
}

.license-box {
  overflow: hidden;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(239, 43, 31, 0.08);
  color: var(--brand-deep);
}

.contact-form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-weight: 600;
}

.field input,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(34, 32, 28, 0.12);
  background: rgba(255, 255, 255, 0.88);
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(34, 32, 28, 0.03);
  margin-top: 20px;
}

.footer-inner {
  width: var(--container);
  margin: 0 auto;
  padding: 52px 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.footer-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-corp {
  font-size: 0.78rem;
  color: var(--muted);
  opacity: 0.65;
  margin-top: 2px;
}

.footer-nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
  padding-top: 4px;
}

.footer-nav a {
  font-size: 0.88rem;
  color: var(--muted);
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--line);
}

.footer-bottom-inner {
  width: var(--container);
  margin: 0 auto;
  padding: 16px 0;
  font-size: 0.78rem;
  color: var(--muted);
  opacity: 0.55;
}

@media (max-width: 980px) {
  .hero-grid,
  .page-hero-grid,
  .split-section,
  .story-grid,
  .quote-grid,
  .number-grid,
  .process-grid,
  .detail-grid,
  .grid-3,
  .grid-2,
  .feature-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 20px;
    left: 20px;
    display: none;
    padding: 14px;
    border-radius: 24px;
    background: rgba(255, 250, 244, 0.96);
    border: 1px solid rgba(34, 32, 28, 0.08);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    width: 100%;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .hero-panel,
  .page-hero-panel,
  .page-side-card,
  .number-card,
  .process-card,
  .quote-panel,
  .card,
  .feature-card,
  .timeline-item,
  .detail-card,
  .contact-card,
  .strip {
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .main {
    padding-top: 24px;
  }

  .header-inner {
    padding: 14px 0;
  }

  .brand-name {
    font-size: 1.04rem;
  }

  .brand-tag {
    font-size: 0.84rem;
  }

  .hero {
    padding-top: 18px;
  }

  .hero h1,
  .page-title h1,
  .page-hero-panel h1,
  .quote-panel h2 {
    font-size: 2.3rem;
  }

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

/* ── 滚动入场动画 ── */
.anim-ready {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim-ready.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-delay-1 { transition-delay: 0.08s; }
.anim-delay-2 { transition-delay: 0.16s; }
.anim-delay-3 { transition-delay: 0.24s; }
.anim-delay-4 { transition-delay: 0.32s; }
.anim-delay-5 { transition-delay: 0.40s; }
.anim-delay-6 { transition-delay: 0.48s; }

/* ── 数字大字强调 ── */
.number-card .big-number {
  background: linear-gradient(135deg, var(--brand), #ff6b2d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── 卡片 hover 微升效果 ── */
.card,
.feature-card,
.number-card,
.process-card,
.timeline-item {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover,
.feature-card:hover,
.number-card:hover,
.process-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 60px rgba(104, 72, 37, 0.16);
}

/* ── 分割线装饰 ── */
.section-head h2 {
  position: relative;
  padding-bottom: 14px;
}

.section-head h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), #ff8a2a);
}

/* ── 页面英雄区加强 ── */
.hero-panel {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.97), rgba(255, 240, 231, 0.88)),
    rgba(255, 255, 255, 0.84);
}

/* ── strip 升级 ── */
.strip {
  position: relative;
  overflow: hidden;
}

.strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(239, 43, 31, 0.08), rgba(255, 150, 80, 0.12));
  pointer-events: none;
}

/* ── 表格行高亮 ── */
.detail-card tr:hover td,
.detail-card tr:hover th {
  background: rgba(239, 43, 31, 0.03);
}