:root {
  --primary-navy: #0D1B3D;
  --deep-navy: #08132C;
  --gold: #D4AF37;
  --gold-light: #F3D778;
  --white: #FFFFFF;
  --light-bg: #F5F7FA;
  --text-main: #1F2937;
  --text-muted: #6B7280;
  --line: #E5E7EB;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text-main);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.7;
}

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

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 19, 44, 0.96);
  color: var(--white);
  border-bottom: 1px solid rgba(212, 175, 55, 0.24);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
}

.brand-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand strong {
  display: block;
  font-size: 22px;
  letter-spacing: 0;
}

.brand em {
  display: block;
  font-style: normal;
  font-size: 12px;
  color: rgba(255,255,255,0.68);
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
  font-size: 14px;
  color: rgba(255,255,255,0.86);
}

.main-nav a:hover,
.text-link {
  color: var(--gold-light);
}

.header-action {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.header-action strong {
  color: var(--gold-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-weight: 700;
}

.btn-gold {
  color: #111827;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
}

.btn-ghost {
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.08);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.22);
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
}

.hero-slider {
  position: relative;
  height: min(56.3vw, calc(100vh - 76px));
  min-height: 520px;
  overflow: hidden;
  background: var(--deep-navy);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-slide::after {
  content: none;
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,12,30,0.94), rgba(5,12,30,0.42));
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--deep-navy);
}

.site-floating-qr {
  position: fixed;
  z-index: 40;
  top: clamp(22px, 5%, 54px);
  right: clamp(22px, 5%, 84px);
  width: min(clamp(216px, 24vw, 436px), 26%);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: transparent;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 1px;
  height: 1px;
  min-height: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: center;
  gap: 56px;
  color: var(--white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
  color: var(--gold-light);
  font-size: 14px;
  font-weight: 700;
}

.hero-copy h1,
.hero-copy h2 {
  margin: 0 0 16px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
}

.hero-copy p {
  max-width: 680px;
  margin: 0 0 20px;
  color: rgba(255,255,255,0.82);
  font-size: 18px;
}

.hero-subtitle {
  color: var(--gold-light) !important;
  font-size: 24px !important;
  font-weight: 700;
}

.hero-tags,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-tags span {
  padding: 7px 12px;
  border: 1px solid rgba(212, 175, 55, 0.42);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.9);
}

.consult-card {
  padding: 24px;
  background: rgba(255,255,255,0.96);
  color: var(--primary-navy);
  border-top: 4px solid var(--gold);
  box-shadow: 0 24px 60px rgba(0,0,0,0.24);
}

.consult-card strong,
.consult-card a,
.consult-card span {
  display: block;
  text-align: center;
}

.consult-card a {
  color: var(--primary-navy);
  font-size: 24px;
  font-weight: 800;
}

.qr-placeholder,
.avatar-placeholder {
  width: 132px;
  height: 132px;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  border: 1px dashed rgba(13, 27, 61, 0.35);
  background: var(--light-bg);
  color: var(--text-muted);
  text-align: center;
  font-weight: 700;
}

.avatar-placeholder {
  border-radius: 50%;
}

.slider-dots {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.slider-dots button {
  width: 36px;
  height: 4px;
  border: 0;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
}

.slider-dots button.is-active {
  background: var(--gold-light);
}

.trust-band {
  background: var(--primary-navy);
  color: var(--white);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-grid div {
  padding: 26px 22px;
  border-left: 1px solid rgba(255,255,255,0.12);
}

.trust-grid strong {
  display: block;
  color: var(--gold-light);
  font-size: 22px;
}

.trust-grid span {
  color: rgba(255,255,255,0.68);
}

.section {
  padding: 86px 0;
}

.section:nth-of-type(even) {
  background: var(--light-bg);
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-head.row {
  max-width: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
}

.section-head h2,
.page-hero h1,
.article-header h1 {
  margin: 0 0 12px;
  color: var(--primary-navy);
  font-size: 36px;
  line-height: 1.25;
}

.section-head p,
.page-hero p,
.feature-card p,
.article-card p,
.site-footer p,
.article-body {
  color: var(--text-muted);
}

.card-grid,
.article-grid {
  display: grid;
  gap: 22px;
}

.card-grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.feature-card,
.article-card,
.strength-panel,
.faq-list details {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 14px 36px rgba(13,27,61,0.08);
}

.feature-card {
  padding: 26px;
}

.feature-card h3 {
  margin: 0 0 12px;
  color: var(--primary-navy);
}

.navy-section {
  background: linear-gradient(135deg, var(--deep-navy), var(--primary-navy)) !important;
  color: var(--white);
}

.navy-section h2 {
  color: var(--white);
}

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

.advantage-grid div {
  padding: 24px;
  border: 1px solid rgba(212,175,55,0.28);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
  font-weight: 700;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  padding: 0;
  margin: 0;
  counter-reset: step;
  list-style: none;
}

.process-list li {
  position: relative;
  padding: 58px 20px 22px;
  background: var(--white);
  border: 1px solid var(--line);
}

.process-list li::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 18px;
  left: 20px;
  color: var(--gold);
  font-size: 22px;
  font-weight: 800;
}

.process-list strong,
.process-list span {
  display: block;
}

.process-list span {
  color: var(--text-muted);
  font-size: 14px;
}

.strength {
  background: var(--light-bg);
}

.strength-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 42px;
  align-items: center;
}

.strength-panel {
  min-height: 260px;
  padding: 34px;
  border-top: 5px solid var(--gold);
}

.strength-panel strong {
  display: block;
  color: var(--primary-navy);
  font-size: 34px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  padding: 20px 24px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--primary-navy);
  font-weight: 800;
}

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

.article-card {
  overflow: hidden;
}

.article-card > div {
  padding: 22px;
}

.article-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-card h3 {
  margin: 0 0 10px;
  color: var(--primary-navy);
  font-size: 20px;
  line-height: 1.4;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--text-muted);
  font-size: 14px;
}

.article-meta a {
  color: var(--primary-navy);
  font-weight: 700;
}

.site-footer {
  padding-top: 64px;
  background: var(--deep-navy);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 36px;
}

.footer-logo {
  width: 118px;
  height: auto;
  margin-bottom: 14px;
  object-fit: contain;
}

.site-footer h3,
.site-footer a {
  color: var(--gold-light);
}

.footer-bottom {
  margin-top: 42px;
  padding: 18px 20px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.55);
}

.float-phone {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  padding: 12px 18px;
  background: var(--gold);
  color: #111827;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(0,0,0,0.22);
}

.page-main {
  background: var(--white);
}

.page-hero {
  padding: 76px 0;
  color: var(--white);
  background: linear-gradient(135deg, var(--deep-navy), var(--primary-navy));
}

.page-hero h1,
.page-hero p {
  color: var(--white);
}

.breadcrumb {
  margin-bottom: 14px;
  color: rgba(255,255,255,0.68);
}

.breadcrumb a {
  color: var(--gold-light);
}

.article-list {
  display: grid;
  gap: 22px;
}

.article-list .article-card {
  display: grid;
  grid-template-columns: 280px 1fr;
}

.article-detail {
  max-width: 880px;
  padding: 60px 0 90px;
}

.article-detail .breadcrumb {
  color: var(--text-muted);
}

.article-header h1 {
  font-size: 42px;
}

.article-cover {
  width: 100%;
  margin: 28px 0;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-body {
  font-size: 18px;
}

.article-body p {
  margin: 0 0 18px;
}

.article-cta {
  margin: 42px 0;
  padding: 32px;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-navy), var(--deep-navy));
  border-top: 5px solid var(--gold);
}

.article-cta h2 {
  margin-top: 0;
}

.related {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.related h2 {
  color: var(--primary-navy);
}

.related li {
  margin: 10px 0;
}

@media (max-width: 1040px) {
  .header-action span {
    display: none;
  }

  .main-nav {
    gap: 12px;
  }

  .card-grid.four,
  .process-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .header-inner {
    min-height: 68px;
  }

  .brand em,
  .header-action {
    display: none;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .main-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px;
    background: var(--deep-navy);
    border-top: 1px solid rgba(255,255,255,0.12);
  }

  .main-nav.is-open {
    display: flex;
  }

  .hero-slider {
    min-height: 360px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 20px;
    align-content: center;
    padding: 0;
  }

  .site-floating-qr {
    top: 5%;
    right: 5%;
    width: min(28vw, 150px);
  }

  .hero-copy h1,
  .hero-copy h2 {
    font-size: 40px;
  }

  .hero-copy p,
  .hero-subtitle {
    font-size: 17px !important;
  }

  .consult-card {
    max-width: 300px;
  }

  .section {
    padding: 58px 0;
  }

  .section-head.row,
  .strength-grid,
  .footer-grid,
  .article-list .article-card {
    display: block;
  }

  .section-head h2,
  .page-hero h1,
  .article-header h1 {
    font-size: 30px;
  }

  .card-grid.four,
  .process-list,
  .article-grid,
  .advantage-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid div {
    border-left: 0;
    border-bottom: 1px solid rgba(255,255,255,0.12);
  }

  .float-phone {
    left: 14px;
    right: 14px;
    bottom: 14px;
    text-align: center;
  }
}
