/* =========================================================
   闫宝龙 yanbaolong.com.cn · 主样式
   配色：深墨青 #0E1B2A + 暖琥珀金 #C8A45C + 宣纸白 #F7F4EE
   ========================================================= */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family:
    "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img,
svg {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}
button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: transparent;
  color: inherit;
}
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  font-weight: 600;
  line-height: 1.3;
}
p {
  margin: 0;
}

/* ---------- Tokens ---------- */
:root {
  --ink: #1a1a1a;
  --ink-2: #2c3340;
  --paper: #f7f4ee;
  --paper-2: #efe9dc;
  --line: #e5e0d6;
  --line-2: #d7cfbf;
  --navy: #0e1b2a;
  --navy-2: #16243a;
  --navy-3: #1e314d;
  --gold: #c8a45c;
  --gold-2: #b68a3f;
  --gold-3: #e0c685;
  --gold-soft: rgba(200, 164, 92, 0.12);
  --shadow-sm: 0 2px 12px rgba(14, 27, 42, 0.06);
  --shadow-md: 0 12px 36px rgba(14, 27, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(14, 27, 42, 0.18);
  --serif-cn:
    "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun",
    serif;
  --sans-cn:
    "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei",
    sans-serif;
  --serif-en: "Cormorant Garamond", "Times New Roman", "Georgia", serif;
  --radius: 4px;
  --container: 1240px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.section {
  padding: 110px 0;
  position: relative;
}
@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }
  .container {
    padding: 0 20px;
  }
}

/* ---------- Section heads ---------- */
.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}
.section-head-light .section-title {
  color: var(--paper);
}
.section-head-light .section-desc {
  color: rgba(247, 244, 238, 0.7);
}
.section-eyebrow {
  font-family: var(--serif-en);
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 500;
}
.section-title {
  font-family: var(--serif-cn);
  font-size: 38px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.section-desc {
  font-size: 16px;
  color: #5a5a5a;
  line-height: 1.8;
}
@media (max-width: 768px) {
  .section-title {
    font-size: 28px;
  }
  .section-head {
    margin-bottom: 40px;
  }
}

/* ============================================================
   1. 顶部 + 导航 + Hero 一体化
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all 0.35s ease;
  background: transparent;
}
.site-header.is-scrolled {
  background: rgba(14, 27, 42, 0.85);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
}

/* Topbar */
.topbar {
  background: rgba(0, 0, 0, 0.18);
  color: rgba(247, 244, 238, 0.7);
  font-size: 12.5px;
  border-bottom: 1px solid rgba(200, 164, 92, 0.18);
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 38px;
}
.topbar-item {
  letter-spacing: 1px;
}
.topbar-right {
  display: flex;
  gap: 22px;
}
.topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(247, 244, 238, 0.85);
  transition: color 0.25s;
}
.topbar-link:hover {
  color: var(--gold-3);
}
@media (max-width: 768px) {
  .topbar {
    display: none;
  }
}

/* Main nav */
.main-nav {
  padding: 16px 0;
  transition: padding 0.35s ease;
}
.site-header.is-scrolled .main-nav {
  padding: 10px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--paper);
  font-family: var(--serif-cn);
}
.logo-name {
  font-size: 26px;
  font-weight: 700;
  color: var(--paper);
  position: relative;
  letter-spacing: 2px;
}
.logo-r {
  font-size: 11px;
  color: var(--gold);
  font-weight: 500;
  margin-left: 2px;
  position: relative;
  top: -10px;
}
.logo-sep {
  color: var(--gold);
  font-size: 22px;
  font-weight: 300;
}
.logo-tag {
  font-size: 14px;
  font-family: var(--serif-en);
  color: var(--gold-3);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.logo-light .logo-name {
  color: var(--paper);
}
.logo-light .logo-tag {
  color: var(--gold);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-menu a {
  color: rgba(247, 244, 238, 0.85);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  transition: color 0.25s;
}
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}
.nav-menu a:hover {
  color: var(--gold-3);
}
.nav-menu a:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border: 1px solid var(--gold);
  color: var(--gold-3);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-cta:hover {
  background: var(--gold);
  color: var(--navy);
}
@media (max-width: 1024px) {
  .nav-menu {
    display: none;
  }
  .nav-cta {
    display: none;
  }
}

/* Mobile menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--paper);
  transition: all 0.3s;
}
.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }
  .nav-menu.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--navy);
    padding: 24px 28px;
    gap: 18px;
    border-top: 1px solid rgba(200, 164, 92, 0.2);
  }
  .nav-menu.is-open a {
    font-size: 17px;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(
    135deg,
    var(--navy) 0%,
    var(--navy-2) 50%,
    var(--navy-3) 100%
  );
  color: var(--paper);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 130px 0 60px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-pattern {
  width: 100%;
  height: 100%;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .hero {
    min-height: auto;
    padding: 130px 0 80px;
  }
}

.hero-eyebrow {
  font-family: var(--serif-en);
  font-size: 13px;
  color: var(--gold-3);
  letter-spacing: 4px;
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 164, 92, 0.18);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(200, 164, 92, 0.18);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(200, 164, 92, 0.06);
  }
}

.hero-title {
  font-family: var(--serif-cn);
  font-size: 64px;
  line-height: 1.18;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 26px;
  letter-spacing: 1.5px;
}
.hero-title-line {
  display: block;
  opacity: 0;
  transform: translateY(30px);
  animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}
.line-1 {
  animation-delay: 0.1s;
}
.line-2 {
  animation-delay: 0.25s;
}
.hero-title em.accent {
  font-style: normal;
  color: var(--gold);
  font-weight: 400;
  margin: 0 4px;
}
@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.78);
  margin-bottom: 40px;
  max-width: 560px;
}
.hero-subtitle strong {
  color: var(--gold-3);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 1px;
  border-radius: 2px;
  transition: all 0.3s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--navy);
  border: 1px solid var(--gold);
}
.btn-primary:hover {
  background: var(--gold-3);
  border-color: var(--gold-3);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(200, 164, 92, 0.32);
}
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(247, 244, 238, 0.3);
}
.btn-ghost:hover {
  background: rgba(247, 244, 238, 0.06);
  border-color: var(--gold);
  color: var(--gold-3);
}
.btn-link {
  background: transparent;
  color: var(--gold-3);
  padding: 14px 8px;
  border: 0;
  position: relative;
}
.btn-link:hover {
  color: var(--gold);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 30px;
  border-top: 1px solid rgba(200, 164, 92, 0.2);
}
.stat-num {
  font-family: var(--serif-en);
  font-size: 46px;
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
}
.stat-num sup {
  font-size: 18px;
  color: var(--gold-3);
  margin-left: 2px;
  top: -16px;
}
.stat-label {
  font-size: 13px;
  color: rgba(247, 244, 238, 0.6);
  margin-top: 6px;
  letter-spacing: 1px;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(200, 164, 92, 0.25);
}
@media (max-width: 640px) {
  .hero-title {
    font-size: 40px;
  }
  .hero-stats {
    gap: 20px;
  }
  .stat-num {
    font-size: 36px;
  }
  .stat-divider {
    display: none;
  }
}

/* Hero card */
.hero-card {
  position: relative;
  background: linear-gradient(
    160deg,
    rgba(200, 164, 92, 0.06),
    rgba(247, 244, 238, 0.04)
  );
  border: 1px solid rgba(200, 164, 92, 0.25);
  padding: 38px 32px;
  border-radius: 2px;
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(20px);
  animation: rise 1s 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}
.card-corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--gold);
}
.card-corner-tl {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.card-corner-tr {
  top: -1px;
  right: -1px;
  border-left: 0;
  border-bottom: 0;
}
.card-corner-bl {
  bottom: -1px;
  left: -1px;
  border-right: 0;
  border-top: 0;
}
.card-corner-br {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.card-eyebrow {
  font-family: var(--serif-en);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 4px;
  margin-bottom: 14px;
}
.card-title {
  font-family: var(--serif-cn);
  font-size: 24px;
  color: var(--paper);
  margin-bottom: 26px;
  font-weight: 600;
  letter-spacing: 1px;
}
.card-list {
  margin-bottom: 28px;
}
.card-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(200, 164, 92, 0.15);
  gap: 14px;
}
.card-list li:last-child {
  border-bottom: 0;
}
.card-list-k {
  font-size: 13px;
  color: rgba(247, 244, 238, 0.55);
}
.card-list-v {
  font-size: 16px;
  color: var(--gold-3);
  font-weight: 500;
  font-family: var(--serif-en);
  letter-spacing: 0.5px;
}
.card-cta {
  display: block;
  text-align: center;
  background: var(--gold);
  color: var(--navy);
  padding: 13px 20px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 2px;
  border-radius: 2px;
  transition: all 0.3s;
}
.card-cta:hover {
  background: var(--gold-3);
  transform: translateY(-2px);
}
.card-foot {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
  color: rgba(247, 244, 238, 0.45);
  letter-spacing: 1px;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  width: 24px;
  height: 38px;
  border: 1px solid rgba(200, 164, 92, 0.4);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
  z-index: 3;
}
.hero-scroll span {
  width: 2px;
  height: 8px;
  background: var(--gold);
  border-radius: 1px;
  animation: scrollDot 1.6s infinite;
}
@keyframes scrollDot {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(14px);
    opacity: 0;
  }
}
@media (max-width: 768px) {
  .hero-scroll {
    display: none;
  }
}

/* ============================================================
   2. 核心服务
   ============================================================ */
.services {
  background: var(--paper);
  position: relative;
}
.services::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.4;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}
@media (max-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.svc-card {
  display: block;
  background: #fff;
  padding: 32px 26px;
  border: 1px solid var(--line);
  border-radius: 2px;
  position: relative;
  transition: all 0.35s ease;
  overflow: hidden;
  text-decoration: none;
  color: var(--ink);
}
.svc-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.4s ease;
}
.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}
.svc-card:hover::before {
  width: 100%;
}
.svc-icon {
  color: var(--gold);
  margin-bottom: 18px;
  transition: transform 0.3s;
}
.svc-card:hover .svc-icon {
  transform: scale(1.08) rotate(-4deg);
}
.svc-title {
  font-family: var(--serif-cn);
  font-size: 19px;
  color: var(--navy);
  margin-bottom: 10px;
  font-weight: 600;
  letter-spacing: 1px;
}
.svc-desc {
  font-size: 13.5px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 16px;
  min-height: 50px;
}
.svc-link {
  font-size: 13px;
  color: var(--gold-2);
  font-weight: 500;
  letter-spacing: 1px;
  transition: color 0.25s;
}
.svc-card:hover .svc-link {
  color: var(--gold);
}

.services-extra {
  text-align: center;
  margin-top: 50px;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
}
.services-extra p {
  font-size: 14.5px;
  color: #666;
  letter-spacing: 0.5px;
}
.services-extra a {
  color: var(--navy);
  font-weight: 500;
  margin: 0 4px;
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.25s,
    color 0.25s;
}
.services-extra a:hover {
  color: var(--gold-2);
  border-color: var(--gold);
}

/* ============================================================
   3. 关于闫宝龙
   ============================================================ */
.about {
  background: var(--paper-2);
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 1024px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: 50px;
  }
}

.about-photo {
  position: relative;
}
.photo-frame {
  position: relative;
  border-radius: 2px;
  overflow: visible;
}
.photo-frame img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: var(--shadow-lg);
}
.photo-badge {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 140px;
  height: 140px;
  background: var(--navy);
  color: var(--gold-3);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.photo-badge .badge-num {
  font-family: var(--serif-en);
  font-size: 38px;
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
}
.photo-badge .badge-num sup {
  font-size: 16px;
}
.photo-badge .badge-text {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gold-3);
  margin-top: 4px;
}
.photo-badge .badge-sub {
  font-size: 12px;
  color: var(--paper);
  margin-top: 6px;
  letter-spacing: 1px;
}
.photo-caption {
  margin-top: 50px;
  font-family: var(--serif-cn);
  color: #777;
  font-size: 14px;
  letter-spacing: 1.5px;
  text-align: center;
}
.photo-caption span:first-child {
  color: var(--navy);
  font-weight: 600;
  margin-right: 6px;
  font-size: 16px;
}
@media (max-width: 640px) {
  .photo-badge {
    right: 0;
    width: 110px;
    height: 110px;
    bottom: -20px;
  }
  .photo-badge .badge-num {
    font-size: 28px;
  }
  .photo-caption {
    margin-top: 35px;
  }
}

.about-content .section-eyebrow {
  text-align: left;
}
.about-content .section-title {
  text-align: left;
}
.about-lead {
  font-size: 16px;
  line-height: 1.9;
  color: #444;
  margin-bottom: 32px;
}
.about-points {
  display: grid;
  gap: 18px;
  margin-bottom: 36px;
}
.about-points li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.about-points li:last-child {
  border-bottom: 1px solid var(--line);
}
.point-no {
  font-family: var(--serif-en);
  font-size: 28px;
  color: var(--gold-2);
  font-weight: 500;
  line-height: 1;
}
.about-points h4 {
  font-family: var(--serif-cn);
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 6px;
  font-weight: 600;
}
.about-points p {
  font-size: 14px;
  color: #666;
  line-height: 1.75;
}
.about-cta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* ============================================================
   4. 核心优势
   ============================================================ */
.strengths {
  background: var(--navy);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.strengths::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(200, 164, 92, 0.06) 0%,
    transparent 60%
  );
  pointer-events: none;
}
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
@media (max-width: 768px) {
  .strengths-grid {
    grid-template-columns: 1fr;
  }
}
.str-card {
  padding: 38px 32px;
  border: 1px solid rgba(200, 164, 92, 0.2);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 2px;
  transition: all 0.35s;
  position: relative;
}
.str-card:hover {
  background: rgba(200, 164, 92, 0.06);
  border-color: var(--gold);
  transform: translateY(-4px);
}
.str-num {
  font-family: var(--serif-en);
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 3px;
  margin-bottom: 16px;
}
.str-card h3 {
  font-family: var(--serif-cn);
  font-size: 22px;
  color: var(--paper);
  margin-bottom: 12px;
  font-weight: 600;
}
.str-card p {
  font-size: 14px;
  color: rgba(247, 244, 238, 0.65);
  line-height: 1.75;
}

/* ============================================================
   5. 服务详情
   ============================================================ */
.detail {
  background: var(--paper);
}
.detail-list {
  display: grid;
  gap: 60px;
}
.detail-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 50px 0;
  border-top: 1px solid var(--line);
}
.detail-row.reverse {
  grid-template-columns: 1fr 1.5fr;
}
.detail-row.reverse .detail-text {
  order: 2;
}
.detail-row.reverse .detail-aside {
  order: 1;
}
@media (max-width: 900px) {
  .detail-row,
  .detail-row.reverse {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .detail-row.reverse .detail-text {
    order: 1;
  }
  .detail-row.reverse .detail-aside {
    order: 2;
  }
}

.detail-tag {
  font-family: var(--serif-en);
  font-size: 12px;
  color: var(--gold-2);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.detail-text h3 {
  font-family: var(--serif-cn);
  font-size: 26px;
  color: var(--navy);
  margin-bottom: 22px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.detail-text ul {
  display: grid;
  gap: 10px;
}
.detail-text li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  color: #555;
  line-height: 1.8;
}
.detail-text li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 1px;
  background: var(--gold);
}
.detail-aside {
  display: grid;
  gap: 18px;
  padding: 32px;
  background: var(--navy);
  color: var(--paper);
  border-radius: 2px;
  text-align: center;
}
.detail-stat {
  padding: 18px 0;
  border-bottom: 1px solid rgba(200, 164, 92, 0.2);
}
.detail-stat:last-child {
  border-bottom: 0;
}
.detail-stat span {
  display: block;
  font-family: var(--serif-en);
  font-size: 38px;
  font-weight: 600;
  color: var(--gold);
  line-height: 1.1;
  margin-bottom: 6px;
}
.detail-stat small {
  font-size: 12.5px;
  color: rgba(247, 244, 238, 0.7);
  letter-spacing: 1px;
}

/* ============================================================
   6. 服务流程
   ============================================================ */
.methodology {
  background: var(--paper-2);
}
.method-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  position: relative;
}
.method-steps::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--gold) 15%,
    var(--gold) 85%,
    transparent
  );
  z-index: 0;
}
@media (max-width: 1024px) {
  .method-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .method-steps::before {
    display: none;
  }
}
@media (max-width: 600px) {
  .method-steps {
    grid-template-columns: 1fr;
  }
}
.method-steps li {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-no {
  width: 80px;
  height: 80px;
  margin: 0 auto 18px;
  background: var(--paper);
  color: var(--gold-2);
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif-en);
  font-size: 26px;
  font-weight: 600;
  transition: all 0.3s;
  position: relative;
}
.step-no::before {
  content: "";
  position: absolute;
  inset: -6px;
  border: 1px dashed var(--gold);
  border-radius: 50%;
  opacity: 0.3;
}
.method-steps li:hover .step-no {
  background: var(--gold);
  color: var(--navy);
  transform: scale(1.06);
}
.method-steps h3 {
  font-family: var(--serif-cn);
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 8px;
  font-weight: 600;
}
.method-steps p {
  font-size: 13px;
  color: #666;
  line-height: 1.7;
  padding: 0 4px;
}

/* ============================================================
   7. FAQ
   ============================================================ */
.faq {
  background: var(--paper);
}
.faq-list {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item[open] {
  border-color: var(--gold);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  user-select: none;
  transition: background 0.25s;
}
.faq-item summary:hover {
  background: rgba(200, 164, 92, 0.04);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.q-num {
  font-family: var(--serif-en);
  font-size: 14px;
  color: var(--gold-2);
  letter-spacing: 2px;
  flex-shrink: 0;
  font-weight: 600;
}
.q-text {
  flex: 1;
  font-family: var(--serif-cn);
  font-size: 16px;
  color: var(--navy);
  font-weight: 600;
  line-height: 1.5;
}
.q-icon {
  width: 18px;
  height: 18px;
  position: relative;
  flex-shrink: 0;
  transition: transform 0.3s;
}
.q-icon::before,
.q-icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 0.3s;
}
.q-icon::before {
  left: 50%;
  top: 0;
  width: 1.5px;
  height: 100%;
  transform: translateX(-50%);
}
.q-icon::after {
  top: 50%;
  left: 0;
  height: 1.5px;
  width: 100%;
  transform: translateY(-50%);
}
.faq-item[open] .q-icon::before {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}
.a-text {
  padding: 0 28px 26px 64px;
  font-size: 14.5px;
  color: #555;
  line-height: 1.85;
}
@media (max-width: 640px) {
  .faq-item summary {
    padding: 18px 20px;
    gap: 12px;
  }
  .q-text {
    font-size: 15px;
  }
  .a-text {
    padding: 0 20px 22px 20px;
  }
}

/* ============================================================
   8. 联系咨询
   ============================================================ */
.contact {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: var(--paper);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.ct-card {
  display: block;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(200, 164, 92, 0.2);
  padding: 36px 26px;
  text-align: center;
  border-radius: 2px;
  color: var(--paper);
  transition: all 0.3s;
  text-decoration: none;
}
.ct-card.qr {
  cursor: default;
}
.ct-card:not(.qr):hover {
  background: rgba(200, 164, 92, 0.08);
  border-color: var(--gold);
  transform: translateY(-4px);
}
.ct-icon {
  color: var(--gold);
  margin: 0 auto 16px;
  width: 56px;
  height: 56px;
  border: 1px solid rgba(200, 164, 92, 0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ct-k {
  font-size: 12px;
  color: rgba(247, 244, 238, 0.55);
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.ct-v {
  font-family: var(--serif-en);
  font-size: 22px;
  color: var(--gold-3);
  font-weight: 500;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
  word-break: break-all;
}
.ct-link {
  display: inline-block;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 1px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.25s;
}
.ct-card:not(.qr):hover .ct-link {
  border-color: var(--gold);
}
.qr-img {
  margin: 0 auto 18px;
  width: 130px;
  height: 130px;
  padding: 8px;
  background: var(--paper);
  border-radius: 2px;
}
.qr-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ============================================================
   9. 友情链接
   ============================================================ */
.friends {
  background: var(--paper-2);
}
.friend-groups {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) {
  .friend-groups {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 640px) {
  .friend-groups {
    grid-template-columns: repeat(2, 1fr);
  }
}
.friend-group {
  background: #fff;
  border: 1px solid var(--line);
  padding: 24px 22px;
  border-radius: 2px;
  transition:
    border-color 0.3s,
    transform 0.3s;
}
.friend-group:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}
.friend-group h3 {
  font-family: var(--serif-cn);
  font-size: 16px;
  color: var(--navy);
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  position: relative;
}
.friend-group h3::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 28px;
  height: 1.5px;
  background: var(--gold);
}
.friend-group ul {
  display: grid;
  gap: 8px;
}
.friend-group a {
  font-size: 13.5px;
  color: #666;
  transition:
    color 0.2s,
    padding-left 0.2s;
  display: block;
  position: relative;
  padding-left: 12px;
}
.friend-group a::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--gold);
}
.friend-group a:hover {
  color: var(--gold-2);
  padding-left: 16px;
}

/* ============================================================
   10. 页脚
   ============================================================ */
.site-footer {
  background: #0a1422;
  color: rgba(247, 244, 238, 0.6);
  padding: 70px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}
@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}
.footer-brand p {
  font-size: 13.5px;
  line-height: 1.85;
  margin-top: 18px;
  color: rgba(247, 244, 238, 0.5);
  max-width: 360px;
}
.footer-col h4 {
  font-family: var(--serif-cn);
  color: var(--gold-3);
  font-size: 14px;
  margin-bottom: 18px;
  letter-spacing: 2px;
  font-weight: 600;
}
.footer-col ul {
  display: grid;
  gap: 10px;
}
.footer-col li {
  font-size: 13.5px;
}
.footer-col a {
  color: rgba(247, 244, 238, 0.6);
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--gold-3);
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(200, 164, 92, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: rgba(247, 244, 238, 0.5);
}
.footer-bottom a {
  color: rgba(247, 244, 238, 0.7);
  transition: color 0.2s;
}
.footer-bottom a:hover {
  color: var(--gold-3);
}
.beian {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.beian svg {
  color: var(--gold);
}

/* ============================================================
   11. 滚动入场动画
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s ease,
    transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   12. 工具类
   ============================================================ */
@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }
  .photo-frame img {
    aspect-ratio: 1/1.2;
  }
  .hero-card {
    padding: 28px 24px;
  }
  .card-title {
    font-size: 20px;
  }
  .section {
    padding: 60px 0;
  }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* 选区样式 */
::selection {
  background: var(--gold);
  color: var(--navy);
}