/* ============================================================
   随州霖瑞税务师事务所有限公司 官网样式
   设计方向：深蓝主色 + 金色点缀，简洁、务实、可信
   ============================================================ */

:root {
  --navy: #0f2b4c;
  --navy-dark: #0a1f38;
  --navy-light: #16395f;
  --navy-soft: #1d4d80;
  --gold: #c9a24b;
  --gold-light: #e5cc8a;
  --gold-deep: #a67f2e;
  --text: #33414f;
  --text-strong: #1c2733;
  --muted: #7a8794;
  --bg: #ffffff;
  --bg-alt: #f4f6f9;
  --bg-navy: #f2f5f9;
  --line: #e6e9ee;
  --shadow: 0 6px 24px rgba(15, 43, 76, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 43, 76, 0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
    "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶部导航 ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 12px rgba(15, 43, 76, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  box-shadow: 0 4px 10px rgba(15, 43, 76, 0.25);
}

.logo-mark svg {
  width: 26px;
  height: 26px;
}

.logo-text {
  line-height: 1.25;
}

.logo-text .cn {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 1px;
}

.logo-text .en {
  font-size: 11px;
  color: var(--gold-deep);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  padding: 8px 16px;
  font-size: 15px;
  color: var(--text-strong);
  font-weight: 500;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  position: relative;
}

.nav a:hover {
  color: var(--navy-soft);
  background: var(--bg-navy);
}

.nav a.active {
  color: var(--gold-deep);
  font-weight: 600;
}

.nav a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
}

.header-phone svg {
  width: 18px;
  height: 18px;
  color: var(--gold-deep);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  position: relative;
  transition: all 0.25s;
}

.nav-toggle span::before {
  position: absolute;
  top: -6px;
}

.nav-toggle span::after {
  position: absolute;
  top: 6px;
}

.nav-toggle.open span {
  background: transparent;
}

.nav-toggle.open span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.open span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #2a230f;
  box-shadow: 0 6px 16px rgba(201, 162, 75, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(201, 162, 75, 0.45);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.75);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-navy {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 6px 16px rgba(15, 43, 76, 0.25);
}

.btn-navy:hover {
  background: var(--navy-soft);
  transform: translateY(-2px);
}

.btn-outline-navy {
  background: transparent;
  border: 1.5px solid var(--navy);
  color: var(--navy);
}

.btn-outline-navy:hover {
  background: var(--bg-navy);
}

.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
}

/* ---------- Banner 轮播 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy-dark);
}

.carousel {
  position: relative;
}

.carousel-track {
  position: relative;
  height: 540px;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.9s ease, visibility 0.9s;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      900px 480px at 82% 18%,
      rgba(29, 77, 128, 0.85) 0%,
      transparent 60%
    ),
    radial-gradient(
      700px 420px at 12% 88%,
      rgba(201, 162, 75, 0.18) 0%,
      transparent 55%
    ),
    linear-gradient(120deg, var(--navy-dark) 0%, var(--navy) 100%);
}

.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.035) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
}

.slide:nth-child(2)::before {
  background: radial-gradient(
      900px 480px at 80% 20%,
      rgba(201, 162, 75, 0.14) 0%,
      transparent 60%
    ),
    linear-gradient(130deg, #0b2c50 0%, #16467c 100%);
}

.slide:nth-child(3)::before {
  background: radial-gradient(
      760px 460px at 16% 80%,
      rgba(201, 162, 75, 0.16) 0%,
      transparent 55%
    ),
    linear-gradient(115deg, #081c33 0%, #123a66 100%);
}

.slide-content {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  color: #fff;
}

.slide-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--gold-light);
  text-transform: uppercase;
  margin-bottom: 18px;
  font-weight: 600;
}

.slide-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold);
}

.slide h1 {
  font-size: 44px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.25);
}

.slide .subtitle {
  font-size: 19px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.94);
  margin-bottom: 10px;
}

.slide .slogan {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 30px;
}

.slide .badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
  max-width: 760px;
}

.slide .badge-list span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(2px);
}

.slide-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* 轮播控制 */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  backdrop-filter: blur(2px);
}

.carousel-arrow:hover {
  background: rgba(255, 255, 255, 0.2);
}

.carousel-arrow.prev {
  left: 20px;
}

.carousel-arrow.next {
  right: 20px;
}

.carousel-dots {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 10px;
}

.carousel-dots button {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: none;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all 0.25s;
}

.carousel-dots button.active {
  width: 30px;
  background: var(--gold);
}

/* ---------- 通用区块 ---------- */
.section {
  padding: 88px 0;
}

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

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 14px;
  line-height: 1.35;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
}

.section-head h2 em {
  font-style: normal;
  color: var(--gold-deep);
}

/* ---------- 统计条 ---------- */
.stats-strip {
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-soft) 100%);
  padding: 44px 0;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item .num {
  font-size: 38px;
  font-weight: 800;
  color: var(--gold-light);
  margin-bottom: 4px;
}

.stat-item .label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

/* ---------- 企业简介 ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.intro-copy h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 20px;
  line-height: 1.4;
}

.intro-copy h2 em {
  font-style: normal;
  color: var(--gold-deep);
}

.intro-copy p {
  margin-bottom: 16px;
  color: var(--text);
}

.intro-copy .strong {
  color: var(--navy);
  font-weight: 600;
}

.intro-points {
  display: grid;
  gap: 14px;
  margin: 26px 0 32px;
}

.intro-points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  box-shadow: 0 2px 10px rgba(15, 43, 76, 0.04);
}

.intro-points li svg {
  width: 20px;
  height: 20px;
  flex: none;
  margin-top: 3px;
  color: var(--gold-deep);
}

.intro-points li strong {
  color: var(--text-strong);
}

.intro-card {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-soft) 100%);
  border-radius: 16px;
  padding: 40px 36px;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.intro-card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(201, 162, 75, 0.2);
}

.intro-card h3 {
  font-size: 22px;
  margin-bottom: 18px;
  position: relative;
}

.intro-card h3::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 3px;
  background: var(--gold);
  vertical-align: middle;
  margin-right: 10px;
  border-radius: 2px;
}

.intro-card ul {
  position: relative;
  display: grid;
  gap: 12px;
}

.intro-card li {
  display: flex;
  gap: 10px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
}

.intro-card li svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 4px;
  color: var(--gold-light);
}

/* ---------- 核心服务卡片 ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  opacity: 0;
  transition: opacity 0.25s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--bg-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--navy);
}

.service-icon svg {
  width: 30px;
  height: 30px;
}

.service-card.hot .service-icon {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #2a230f;
}

.service-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 12px;
}

.service-card h3 .tag {
  display: inline-block;
  font-size: 11px;
  color: #fff;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  border-radius: 999px;
  padding: 2px 10px;
  vertical-align: 3px;
  margin-left: 6px;
  font-weight: 600;
}

.service-card p {
  font-size: 14px;
  color: var(--muted);
  flex: 1;
  margin-bottom: 18px;
}

.service-card ul {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.service-card ul li {
  font-size: 13.5px;
  color: var(--text);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.service-card ul li svg {
  width: 15px;
  height: 15px;
  flex: none;
  margin-top: 4px;
  color: var(--gold-deep);
}

.service-card .more {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}

.service-card .more svg {
  width: 16px;
  height: 16px;
}

.service-card .more:hover {
  gap: 10px;
  color: var(--gold-deep);
}

/* ---------- 服务优势 ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.adv-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s;
}

.adv-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.adv-item .check {
  width: 46px;
  height: 46px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #eaf1d8, #d7e8b5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5a7d1a;
}

.adv-item .check svg {
  width: 24px;
  height: 24px;
}

.adv-item h4 {
  font-size: 16px;
  color: var(--text-strong);
  margin-bottom: 8px;
  font-weight: 700;
}

.adv-item p {
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- 行业 ---------- */
.industry-wrap {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.industry-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px 18px;
  text-align: center;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.industry-item:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.industry-item svg {
  width: 30px;
  height: 30px;
  margin: 0 auto 10px;
  color: var(--navy-soft);
}

.industry-item h5 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 6px;
}

.industry-item p {
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- CTA 引流 ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy-dark) 0%, var(--navy) 55%, var(--navy-soft) 100%);
  padding: 64px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -90px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 75, 0.22), transparent 70%);
}

.cta-band::after {
  content: "";
  position: absolute;
  left: -50px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06), transparent 70%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}

.cta-inner h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.4;
}

.cta-inner h2 em {
  font-style: normal;
  color: var(--gold-light);
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 8px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.cta-band .btn-gold {
  box-shadow: 0 8px 22px rgba(201, 162, 75, 0.45);
}

/* ---------- 页脚 ---------- */
.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.78);
}

.footer-main {
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 700;
  position: relative;
  padding-left: 14px;
}

.footer h4::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--gold);
}

.footer-brand .logo-text .cn {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.9;
}

.footer-nav li {
  margin-bottom: 10px;
}

.footer-nav a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s, padding-left 0.2s;
}

.footer-nav a:hover {
  color: var(--gold-light);
  padding-left: 6px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  line-height: 1.7;
}

.footer-contact li svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 3px;
  color: var(--gold);
}

.footer-contact li a:hover {
  color: var(--gold-light);
}

.footer-claims {
  background: rgba(0, 0, 0, 0.22);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-claims .container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  justify-content: center;
}

.footer-claims a {
  color: rgba(255, 255, 255, 0.55);
}

.footer-claims a:hover {
  color: var(--gold-light);
}

/* ---------- 内页横幅 ---------- */
.page-hero {
  background: linear-gradient(120deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-soft) 100%);
  padding: 60px 0 54px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 75, 0.2), transparent 70%);
}

.page-hero .kicker {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--gold-light);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-hero h1 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.4;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 640px;
  font-size: 15px;
}

.crumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 14px;
}

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

.crumb span {
  margin: 0 6px;
  opacity: 0.5;
}

/* ---------- 关于我们 ---------- */
.about-block {
  padding: 72px 0;
}

.about-block .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-title::before {
  content: "";
  width: 6px;
  height: 26px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gold-light), var(--gold));
}

.about-copy p {
  margin-bottom: 16px;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.about-side {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 32px;
}

.about-side h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 18px;
}

.about-side ul {
  display: grid;
  gap: 14px;
}

.about-side li {
  display: flex;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.about-side li svg {
  width: 20px;
  height: 20px;
  flex: none;
  margin-top: 3px;
  color: var(--gold-deep);
}

.about-side li .t {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
  display: block;
}

.about-side li .d {
  font-size: 13px;
  color: var(--muted);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.value-card {
  text-align: center;
  padding: 30px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.25s, box-shadow 0.25s;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.value-card .icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--bg-navy);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-card .icon svg {
  width: 26px;
  height: 26px;
}

.value-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 8px;
}

.value-card p {
  font-size: 13px;
  color: var(--muted);
}

.commit-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.commit-item {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 22px 16px;
  text-align: center;
}

.commit-item svg {
  width: 26px;
  height: 26px;
  margin: 0 auto 12px;
  color: var(--gold-deep);
}

.commit-item h5 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
}

/* ---------- 服务详情页 ---------- */
.service-detail-head {
  background: linear-gradient(120deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-soft) 100%);
  color: #fff;
  padding: 58px 0;
  position: relative;
  overflow: hidden;
}

.service-detail-head::before {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 75, 0.22), transparent 70%);
}

.service-detail-head .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}

.sd-icon {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #2a230f;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  box-shadow: 0 10px 26px rgba(201, 162, 75, 0.4);
}

.sd-icon svg {
  width: 44px;
  height: 44px;
}

.service-detail-head h1 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 8px;
  line-height: 1.4;
}

.service-detail-head p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 760px;
  font-size: 15px;
}

.service-detail-head .crumb {
  margin-top: 12px;
}

/* 详情内容 */
.detail-body {
  padding: 72px 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 44px;
  align-items: start;
}

.detail-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 34px;
  margin-bottom: 28px;
}

.detail-block:last-child {
  margin-bottom: 0;
}

.detail-block h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-block h2 .num {
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #2a230f;
  font-size: 15px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-block p {
  color: var(--text);
  margin-bottom: 14px;
}

.detail-list {
  display: grid;
  gap: 12px;
}

.detail-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  font-size: 15px;
}

.detail-list li svg {
  width: 20px;
  height: 20px;
  flex: none;
  margin-top: 3px;
  color: var(--gold-deep);
}

.detail-list li strong {
  color: var(--text-strong);
}

/* 侧边卡片 */
.side-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  margin-bottom: 24px;
  position: sticky;
  top: 96px;
}

.side-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.side-nav li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  color: var(--text);
  margin-bottom: 6px;
  transition: background 0.2s, color 0.2s;
}

.side-nav li a:hover {
  background: var(--bg-navy);
  color: var(--navy);
}

.side-nav li a.active {
  background: var(--navy);
  color: #fff;
}

.side-nav li a.active::after {
  content: "▶";
  font-size: 10px;
}

.side-cta {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: #fff;
}

.side-cta h3 {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.side-cta p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 18px;
}

.side-cta .btn {
  width: 100%;
}

.side-cta .phone-line {
  text-align: center;
  margin-top: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.side-cta .phone-line strong {
  color: var(--gold-light);
  font-size: 17px;
}

/* ---------- 案例页 ---------- */
.case-hero-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

.case-stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}

.case-stat .num {
  font-size: 34px;
  font-weight: 800;
  color: var(--gold-deep);
}

.case-stat .label {
  font-size: 14px;
  color: var(--muted);
  margin-top: 4px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.scenario-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.scenario-card .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--navy);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 14px;
}

.scenario-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 10px;
}

.scenario-card p {
  font-size: 14px;
  color: var(--muted);
}

.privacy-note {
  margin-top: 40px;
  background: var(--bg-navy);
  border: 1px solid #dde5ef;
  border-radius: var(--radius);
  padding: 22px 26px;
  font-size: 14px;
  color: var(--muted);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.privacy-note svg {
  width: 20px;
  height: 20px;
  flex: none;
  margin-top: 3px;
  color: var(--gold-deep);
}

/* ---------- 常见问答 ---------- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.25s;
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--text-strong);
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .q {
  width: 32px;
  height: 32px;
  flex: none;
  border-radius: 8px;
  background: var(--bg-navy);
  color: var(--navy);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.faq-item summary .arrow {
  margin-left: auto;
  width: 22px;
  height: 22px;
  flex: none;
  color: var(--gold-deep);
  transition: transform 0.25s;
}

.faq-item[open] summary .arrow {
  transform: rotate(180deg);
}

.faq-item .answer {
  padding: 0 24px 22px 72px;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.contact-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-navy);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.contact-card .icon svg {
  width: 24px;
  height: 24px;
}

.contact-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 6px;
}

.contact-card .val {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-strong);
  line-height: 1.6;
}

.contact-card .val a {
  color: var(--navy);
}

.contact-card .val a:hover {
  color: var(--gold-deep);
}

.contact-note {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-soft) 100%);
  border-radius: var(--radius);
  padding: 32px;
  color: #fff;
}

.contact-note h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 18px;
}

.contact-note ul {
  display: grid;
  gap: 12px;
}

.contact-note li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.88);
}

.contact-note li svg {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 4px;
  color: var(--gold-light);
}

/* ---------- 滚动显现（仅在 JS 加载后启用，保证无 JS 时内容始终可见） ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

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

  .footer-main {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .side-card {
    position: static;
  }

  .service-detail-head .container {
    grid-template-columns: auto 1fr;
  }
}

@media (max-width: 860px) {
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    box-shadow: 0 12px 24px rgba(15, 43, 76, 0.1);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s;
  }

  .nav.open {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    padding: 12px 14px;
    font-size: 16px;
  }

  .nav a.active::after {
    display: none;
  }

  .nav a.active {
    background: var(--bg-navy);
  }

  .nav-toggle {
    display: flex;
  }

  .header-phone {
    display: none;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .carousel-track {
    height: 500px;
  }

  .slide h1 {
    font-size: 32px;
  }

  .slide .subtitle {
    font-size: 16px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-block .container {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

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

  .case-hero-band {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 560px) {
  .section {
    padding: 60px 0;
  }

  .carousel-track {
    height: 560px;
  }

  .slide h1 {
    font-size: 26px;
  }

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

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

  .industry-wrap {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-info {
    grid-template-columns: 1fr;
  }

  .carousel-arrow {
    display: none;
  }

  .detail-block {
    padding: 26px 20px;
  }

  .faq-item .answer {
    padding-left: 24px;
  }

  .service-detail-head .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .sd-icon {
    margin: 0 auto;
  }

  .service-detail-head h1 {
    font-size: 24px;
  }
}