/* ================================
   闫宝龙商标注册 - 主样式表
   设计风格：简约大气 · 深空蓝 + 金色
================================ */

/* CSS 变量 */
:root {
  --color-primary: #0A2540;        /* 深空蓝 - 主色 */
  --color-primary-dark: #061a30;
  --color-primary-light: #1A3A5C;
  --color-accent: #C9A961;          /* 金色 - 强调色 */
  --color-accent-light: #E5C988;
  --color-accent-dark: #A88840;
  --color-text: #1A2B45;
  --color-text-light: #5A6B85;
  --color-text-muted: #8A98B0;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F9FC;
  --color-bg-soft: #EEF2F7;
  --color-border: #E5E9F0;
  --color-success: #2B8A3E;
  --color-white: #FFFFFF;

  --font-display: "Source Han Sans CN", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans CN", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;

  --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
  --shadow-md: 0 4px 16px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 12px 40px rgba(10, 37, 64, 0.12);
  --shadow-xl: 0 24px 60px rgba(10, 37, 64, 0.18);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --container: 1280px;
  --header-height: 76px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ================================
   基础重置
================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--color-accent); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

::selection { background: var(--color-accent); color: var(--color-white); }

/* ================================
   容器
================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ================================
   顶部导航
================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s var(--ease);
}

.site-header.scrolled {
  height: 64px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.brand:hover { color: var(--color-primary); }

.brand-r {
  font-size: 11px;
  color: var(--color-accent);
  margin-left: 2px;
  font-weight: 700;
  position: relative;
  top: -8px;
}

.brand-divider {
  color: var(--color-text-muted);
  font-weight: 300;
  margin: 0 2px;
}

.brand-tag {
  font-size: 18px;
  color: var(--color-text-light);
  font-weight: 500;
}

.nav-main {
  display: flex;
  gap: 4px;
  margin-left: auto;
  margin-right: auto;
}

.nav-main a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-text);
  font-weight: 500;
  border-radius: var(--radius-sm);
  position: relative;
  transition: all 0.2s var(--ease);
}

.nav-main a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s var(--ease);
}

.nav-main a:hover {
  color: var(--color-accent);
}

.nav-main a:hover::after {
  transform: scaleX(1);
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  transition: all 0.3s var(--ease);
  box-shadow: 0 4px 12px rgba(201, 169, 97, 0.3);
}

.header-phone:hover {
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201, 169, 97, 0.4);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  transition: all 0.3s var(--ease);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ================================
   Banner 区
================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 60px) 0 80px;
  background: linear-gradient(135deg, #0A2540 0%, #14365C 50%, #1A3A5C 100%);
  overflow: hidden;
  color: var(--color-white);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.shape-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #C9A961 0%, transparent 70%);
  top: -100px;
  right: -100px;
  animation: float 20s ease-in-out infinite;
}

.shape-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #1E5A8E 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  animation: float 25s ease-in-out infinite reverse;
}

.shape-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #C9A961 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.2;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.2; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.3; }
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-eyebrow {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(201, 169, 97, 0.15);
  border: 1px solid rgba(201, 169, 97, 0.3);
  color: var(--color-accent-light);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-full);
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, #C9A961 0%, #E5C988 50%, #C9A961 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  text-decoration: none;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(201, 169, 97, 0.35);
}

.btn-primary:hover {
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(201, 169, 97, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.hero-stats {
  display: flex;
  gap: 60px;
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stats li {
  text-align: center;
}

.hero-stats strong {
  display: block;
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, #C9A961 0%, #E5C988 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
  font-family: var(--font-display);
}

.hero-stats span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.05em;
}

/* ================================
   通用 Section
================================ */
.section {
  padding: 100px 0;
  position: relative;
}

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

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.section-head.light { color: var(--color-white); }
.section-head.light .section-title { color: var(--color-white); }
.section-head.light .section-desc { color: rgba(255, 255, 255, 0.7); }

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent-dark);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-title em {
  font-style: normal;
  color: var(--color-accent-dark);
  position: relative;
}

.section-title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
  border-radius: 2px;
}

.section-desc {
  font-size: 17px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* 滚动入场动画 */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ================================
   核心业务模块
================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 36px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.4s var(--ease);
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card.featured {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-color: transparent;
  color: var(--color-white);
}

.service-card.featured h3 { color: var(--color-white); }
.service-card.featured p { color: rgba(255, 255, 255, 0.85); }
.service-card.featured .service-link { color: var(--color-accent-light); }
.service-card.featured::before { transform: scaleX(1); }
.service-card.featured .service-icon { background: rgba(201, 169, 97, 0.15); color: var(--color-accent-light); }

.service-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 4px 12px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--color-bg-soft);
  color: var(--color-accent-dark);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  transition: all 0.3s var(--ease);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  transform: rotate(-5deg) scale(1.05);
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  font-weight: 700;
}

.service-card p {
  color: var(--color-text-light);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-dark);
  letter-spacing: 0.02em;
  transition: transform 0.3s var(--ease);
}

.service-link:hover {
  transform: translateX(4px);
}

/* ================================
   注册流程
================================ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  position: relative;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  position: relative;
  transition: all 0.3s var(--ease);
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-accent-light);
  font-size: 22px;
  font-weight: 800;
  border-radius: 50%;
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-style: italic;
  position: relative;
}

.step-num::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 2px dashed var(--color-accent);
  border-radius: 50%;
  opacity: 0.4;
}

.process-step h3 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 700;
}

.process-step p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ================================
   所需材料
================================ */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 32px;
}

.material-card {
  padding: 40px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease);
}

.material-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.material-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.material-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-accent-light);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.material-icon svg {
  width: 28px;
  height: 28px;
}

.material-head h3 {
  font-size: 22px;
  font-weight: 700;
}

.material-list li {
  position: relative;
  padding: 12px 0 12px 32px;
  font-size: 15px;
  color: var(--color-text);
  border-bottom: 1px dashed var(--color-border);
}

.material-list li:last-child { border-bottom: none; }

.material-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='currentColor' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='currentColor' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ================================
   商标分类
================================ */
.categories-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.cat-tab {
  padding: 12px 28px;
  background: var(--color-white);
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all 0.3s var(--ease);
}

.cat-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.cat-tab.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.cat-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease);
  cursor: pointer;
}

.cat-card:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.cat-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
  font-family: var(--font-display);
}

.cat-card:hover .cat-num {
  background: var(--color-accent-light);
  color: var(--color-primary);
}

.cat-name {
  font-size: 15px;
  font-weight: 500;
}

.cat-cta {
  margin-top: 40px;
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.cat-cta p {
  font-size: 16px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.cat-cta strong {
  color: var(--color-accent-dark);
  font-weight: 700;
}

/* ================================
   费用说明
================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  padding: 40px 32px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all 0.3s var(--ease);
}

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

.pricing-card.featured {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  border-color: transparent;
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured .pricing-features li { color: rgba(255, 255, 255, 0.9); }
.pricing-card.featured .pricing-features li::before { background: var(--color-accent-light); }

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.pricing-head h3 {
  font-size: 20px;
  margin-bottom: 16px;
  font-weight: 700;
}

.pricing-card.featured .pricing-head h3 { color: var(--color-white); }

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.price-symbol {
  font-size: 22px;
  color: var(--color-accent-dark);
  font-weight: 700;
}

.pricing-card.featured .price-symbol { color: var(--color-accent-light); }

.price-num {
  font-size: 56px;
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-display);
  line-height: 1;
}

.pricing-card.featured .price-num { color: var(--color-accent-light); }

.price-unit {
  font-size: 16px;
  color: var(--color-text-light);
}

.pricing-card.featured .price-unit { color: rgba(255, 255, 255, 0.7); }

.pricing-head > p {
  color: var(--color-text-light);
  font-size: 14px;
  margin-bottom: 24px;
}

.pricing-card.featured .pricing-head > p { color: rgba(255, 255, 255, 0.7); }

.pricing-features {
  text-align: left;
  margin: 24px 0;
}

.pricing-features li {
  position: relative;
  padding: 10px 0 10px 28px;
  font-size: 14px;
  color: var(--color-text-light);
  border-bottom: 1px dashed rgba(0, 0, 0, 0.05);
}

.pricing-card.featured .pricing-features li {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.pricing-features li:last-child { border-bottom: none; }

.pricing-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='currentColor' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='currentColor' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ================================
   闫宝龙介绍
================================ */
.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-photo {
  position: relative;
}

.photo-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  aspect-ratio: 1;
  box-shadow: var(--shadow-xl);
}

.photo-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(201, 169, 97, 0.2) 100%);
  z-index: 1;
  pointer-events: none;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.photo-frame:hover img {
  transform: scale(1.05);
}

.photo-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-lg);
  z-index: 2;
  border: 4px solid var(--color-white);
}

.photo-badge strong {
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  font-family: var(--font-display);
}

.photo-badge span {
  font-size: 13px;
  margin-top: 4px;
  letter-spacing: 0.05em;
}

.about-content .section-eyebrow { text-align: left; }
.about-content .section-title { text-align: left; }

.about-lead {
  font-size: 18px;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin: 16px 0 24px;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent);
}

.about-text p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.85;
  margin-bottom: 16px;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 32px 0;
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.highlight {
  text-align: center;
}

.highlight strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  margin-bottom: 4px;
}

.highlight span {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ================================
   核心优势
================================ */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-card {
  padding: 40px 32px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}

.advantage-card:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.advantage-card:hover h3 { color: var(--color-white); }
.advantage-card:hover p { color: rgba(255, 255, 255, 0.85); }
.advantage-card:hover .advantage-num {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.advantage-num {
  display: inline-block;
  font-size: 48px;
  font-weight: 800;
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  font-style: italic;
  line-height: 1;
  margin-bottom: 20px;
  transition: all 0.4s var(--ease);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.advantage-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.advantage-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  transition: color 0.3s var(--ease);
}

/* ================================
   服务保障
================================ */
.guarantee-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.guarantee-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent) 50%, transparent 100%);
}

.guarantee-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent) 50%, transparent 100%);
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.guarantee-item {
  text-align: center;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease);
  backdrop-filter: blur(10px);
}

.guarantee-item:hover {
  background: rgba(201, 169, 97, 0.1);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.guarantee-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: rgba(201, 169, 97, 0.15);
  color: var(--color-accent-light);
  border-radius: 50%;
  margin-bottom: 20px;
  transition: all 0.3s var(--ease);
}

.guarantee-icon svg {
  width: 32px;
  height: 32px;
}

.guarantee-item:hover .guarantee-icon {
  background: var(--color-accent);
  color: var(--color-white);
  transform: rotate(360deg);
  transition: transform 0.8s var(--ease);
}

.guarantee-item h3 {
  color: var(--color-white);
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 700;
}

.guarantee-item p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1.6;
}

/* ================================
   FAQ
================================ */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}

.faq-item[open] {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: all 0.3s var(--ease);
}

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

.faq-item summary:hover {
  color: var(--color-accent-dark);
}

.faq-item[open] summary {
  color: var(--color-accent-dark);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(90deg, rgba(201, 169, 97, 0.05) 0%, transparent 100%);
}

.faq-q {
  flex: 1;
  font-family: var(--font-display);
}

.faq-icon {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: var(--color-accent-dark);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-a {
  padding: 20px 24px 24px;
  color: var(--color-text-light);
  font-size: 15px;
  line-height: 1.8;
  animation: slideDown 0.4s var(--ease);
}

.faq-a p { margin-bottom: 8px; }
.faq-a ul { margin: 8px 0 8px 20px; list-style: disc; }
.faq-a li { padding: 4px 0; }
.faq-a strong { color: var(--color-accent-dark); font-weight: 700; }
.faq-a a { color: var(--color-accent-dark); text-decoration: underline; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================================
   联系咨询
================================ */
.section-contact {
  background: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.contact-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-accent-light);
  border-radius: 50%;
  margin-bottom: 20px;
}

.contact-icon svg {
  width: 32px;
  height: 32px;
}

.contact-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-card p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.7;
}

.contact-link {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  transition: color 0.3s var(--ease);
}

a.contact-link:hover {
  color: var(--color-accent);
}

.qr-section {
  display: flex;
  justify-content: center;
}

.qr-card {
  text-align: center;
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.qr-card h3 {
  font-size: 20px;
  margin-bottom: 20px;
}

.qr-image {
  display: inline-block;
  padding: 12px;
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.qr-image img {
  width: 180px;
  height: 180px;
  display: block;
}

.qr-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ================================
   底部服务项目
================================ */
.services-footer-section {
  background: var(--color-primary);
  color: var(--color-white);
}

.services-footer-section .section-eyebrow { color: var(--color-accent-light); }
.services-footer-section .section-title { color: var(--color-white); }
.services-footer-section .section-title em { color: var(--color-accent-light); }
.services-footer-section .section-desc { color: rgba(255, 255, 255, 0.75); }

.services-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.service-footer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  transition: all 0.3s var(--ease);
}

.service-footer-item:hover {
  background: rgba(201, 169, 97, 0.15);
  border-color: var(--color-accent);
  transform: translateX(4px);
  color: var(--color-accent-light);
}

.service-footer-item strong {
  font-size: 14px;
  font-weight: 600;
}

.service-footer-item span {
  font-size: 12px;
  color: var(--color-accent-light);
  font-family: monospace;
}

.service-footer-item.current {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-color: transparent;
}

.service-footer-item.current span { color: var(--color-white); }

/* ================================
   Footer
================================ */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 60px 0 0;
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 20px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 8px;
}

.footer-contact a {
  color: var(--color-accent-light);
  font-weight: 500;
}

.footer-contact a:hover {
  color: var(--color-accent);
}

.footer-links h4 {
  color: var(--color-white);
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 700;
  position: relative;
  padding-bottom: 8px;
}

.footer-links h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: all 0.2s var(--ease);
}

.footer-links a:hover {
  color: var(--color-accent-light);
  padding-left: 4px;
}

.footer-qr {
  text-align: center;
}

.footer-qr h4 {
  color: var(--color-white);
  font-size: 16px;
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-qr img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  margin: 0 auto 8px;
  border: 2px solid var(--color-accent);
  padding: 4px;
  background: var(--color-white);
}

.footer-qr p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-copyright p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin: 4px 0;
}

.footer-copyright a {
  color: rgba(255, 255, 255, 0.8);
  margin: 0 4px;
}

.footer-copyright a:hover {
  color: var(--color-accent-light);
}

/* ================================
   悬浮联系按钮
================================ */
.float-contact {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.3s var(--ease);
}

.float-contact.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s var(--ease);
  position: relative;
}

.float-btn svg {
  width: 24px;
  height: 24px;
}

.float-btn span {
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%) translateX(0);
  background: var(--color-primary);
  color: var(--color-white);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s var(--ease);
  margin-right: 8px;
}

.float-btn:hover {
  width: auto;
  padding: 0 20px;
  border-radius: var(--radius-full);
  color: var(--color-white);
}

.float-btn:hover span {
  opacity: 1;
  transform: translateY(-50%) translateX(-4px);
}

.float-top {
  background: var(--color-primary);
  width: 48px;
  height: 48px;
}

.float-top svg {
  width: 20px;
  height: 20px;
}