/**
 * @file style.css
 * @description 首页全局样式 / Homepage global styles — Style A 科技棱角 (Tech Angular)
 *
 * 首页独有的模块：信任栏、特性卡片、统计条、证书展示、FAQ等
 * Homepage-specific modules: trust bar, feature cards, stats, cert display, FAQ
 *
 * 子页面不加载此文件，它们用 common.css + 页面专属 CSS
 * Sub-pages do NOT load this; they use common.css + page-specific CSS
 */

/* ===== Reset ===== */
*,*::before,*::after {
  margin:0;
  padding:0;
  box-sizing:border-box;
}

/* ===== CSS 变量定义 / CSS Custom Properties — 科技棱角 ===== */
:root {
  --bg:#0a0a0f;
  --bg2:#12121a;
  --bg3:#1a1a24;
  --blue:#3b82f6;
  --cyan:#06b6d4;
  --purple:#6366f1;
  --indigo:#4f46e5;
  --text:#e2e8f0;
  --text2:#b8c4d0;
  --text3:#8896a8;
  --border:#1e293b;
  --border2:#2d3a4f;
  --glass:rgba(10,10,15,0.85);
  --radius:0px;
  --radius-sm:0px;
  --radius-lg:0px;
  --radius-xl:0px;
  --shadow-sm:0 1px 4px rgba(0,0,0,0.4);
  --shadow:0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg:0 12px 48px rgba(0,0,0,0.6);
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);
  --max-w:1200px;
  --nav-h:72px;
  --glow-blue:0 0 20px rgba(59,130,246,0.15);
  --glow-cyan:0 0 20px rgba(6,182,212,0.15);
}

/* ===== 基础排版 / Base Typography ===== */
html {
  scroll-behavior:smooth;
  font-size:16px;
}

body {
  font-family:'Noto Sans SC',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

a {
  color:inherit;
  text-decoration:none;
  transition:color var(--transition);
}

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

::selection {
  background:var(--blue);
  color:#fff;
}

.container {
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 2rem;
}

h1 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:clamp(2.5rem,5vw,4rem);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-0.03em;
  color:var(--text);
}

h2 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:clamp(2rem,4vw,3rem);
  font-weight:700;
  line-height:1.15;
  letter-spacing:-0.02em;
  color:var(--text);
}

h3 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:clamp(1.25rem,2.5vw,1.75rem);
  font-weight:600;
  line-height:1.3;
  color:var(--text);
}

/* ===== 渐变文字 / Gradient Text ===== */
.gradient-text {
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.gradient-text-purple {
  background:linear-gradient(135deg,var(--purple),var(--blue));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.subtitle {
  font-size:1.125rem;
  color:var(--text2);
  max-width:560px;
  line-height:1.8;
}

/* ===== 标签 / Tag ===== */
.tag {
  display:inline-block;
  padding:0.35rem 1rem;
  border-radius:0;
  background:rgba(59,130,246,0.08);
  color:var(--blue);
  font-family:'JetBrains Mono',monospace;
  font-size:0.8rem;
  font-weight:600;
  letter-spacing:0.5px;
  text-transform:uppercase;
  border:1px solid rgba(59,130,246,0.2);
}

/* ===== 按钮 / Buttons ===== */
.btn {
  display:inline-flex;
  align-items:center;
  gap:0.5rem;
  padding:0.8rem 1.8rem;
  border-radius:0;
  font-weight:600;
  font-size:0.95rem;
  border:none;
  cursor:pointer;
  transition:all var(--transition);
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  text-decoration:none;
}

.btn-primary {
  padding:0.85rem 2rem;
  border-radius:0;
  background:var(--blue);
  color:#fff;
  position:relative;
  overflow:hidden;
}

.btn-primary::before {
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  opacity:0;
  transition:opacity 0.4s ease;
}

.btn-primary:hover::before {
  opacity:1;
}

.btn-primary:hover {
  transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(59,130,246,0.3);
}

.btn-primary i,.btn-primary span {
  position:relative;
  z-index:1;
}

.btn-secondary {
  padding:0.85rem 2rem;
  border-radius:0;
  background:transparent;
  color:var(--text);
  border:1px solid var(--border2);
}

.btn-secondary:hover {
  border-color:var(--blue);
  background:rgba(59,130,246,0.06);
  transform:translateY(-2px);
}

.btn-blue {
  background:var(--blue);
  color:#fff;
  border-radius:0;
}

.btn-blue:hover {
  background:#2563eb;
  transform:translateY(-1px);
  box-shadow:0 8px 30px rgba(59,130,246,0.3);
}

.btn-ghost {
  padding:0.6rem 1.2rem;
  border-radius:0;
  background:transparent;
  color:var(--text2);
}

.btn-ghost:hover {
  color:var(--text);
  background:var(--bg3);
}

.btn-lg {
  padding:1rem 2.2rem;
  font-size:1.05rem;
  border-radius:0;
}

/* ===== 导航栏 / Navbar ===== */
.navbar {
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  height:72px;
  display:flex;
  align-items:center;
  transition:all var(--transition);
  background:transparent;
}

.navbar .container {
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
}

.navbar.scrolled {
  background:rgba(10,10,15,0.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(59,130,246,0.15);
}

.nav-logo {
  font-family:'JetBrains Mono',monospace;
  font-size:1.2rem;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:0.5rem;
  color:var(--text);
}

.nav-logo i {
  font-size:1.3rem;
  color:var(--blue);
}

.nav-links {
  display:flex;
  align-items:center;
  gap:2rem;
  list-style:none;
}

.nav-links a {
  color:var(--text2);
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:0.9rem;
  font-weight:500;
  transition:color var(--transition);
  position:relative;
}

.nav-links a:hover,.nav-links a.active {
  color:var(--blue);
}

.nav-links a::after {
  content:'';
  position:absolute;
  bottom:-4px;
  left:0;
  width:0;
  height:2px;
  background:var(--blue);
  transition:width var(--transition);
}

.nav-links a:hover::after,.nav-links a.active::after {
  width:100%;
}

.nav-cta {
  padding:0.5rem 1.2rem;
  border-radius:0;
  background:var(--blue);
  color:#fff!important;
  font-family:'JetBrains Mono',monospace;
  font-weight:600;
  font-size:0.85rem;
  transition:all var(--transition);
}

.nav-cta:hover {
  background:#2563eb;
  box-shadow:0 0 16px rgba(59,130,246,0.3);
}

.nav-cta::after {
  display:none!important;
}

/* ===== 汉堡菜单 / Hamburger ===== */
.hamburger {
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  z-index:1001;
  background:none;
  border:none;
  padding:4px;
}

.hamburger span {
  width:22px;
  height:2px;
  background:var(--text);
  transition:all var(--transition);
  border-radius:0;
}

.hamburger.active span:nth-child(1) {
  transform:rotate(45deg) translate(5px,5px);
}

.hamburger.active span:nth-child(2) {
  opacity:0;
}

.hamburger.active span:nth-child(3) {
  transform:rotate(-45deg) translate(5px,-5px);
}

/* ===== 移动端菜单 / Mobile Menu ===== */
.mobile-menu {
  display:none;
  position:fixed;
  inset:0;
  background:rgba(10,10,15,0.98);
  backdrop-filter:blur(24px);
  z-index:999;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2rem;
  opacity:0;
  transition:opacity 0.4s ease;
}

.mobile-menu.active {
  display:flex;
  opacity:1;
}

.mobile-menu a {
  color:var(--text);
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:1.3rem;
  font-weight:500;
  transition:color var(--transition);
}

.mobile-menu a:hover {
  color:var(--blue);
}

/* ===== 区块 / Section ===== */
.section {
  padding:7rem 0;
  position:relative;
}

.section-alt {
  background:var(--bg2);
}

.section-header {
  text-align:center;
  margin-bottom:4rem;
}

.section-header .tag {
  margin-bottom:1rem;
}

.section-header h2 {
  margin-bottom:1rem;
}

.section-header .subtitle {
  margin:0 auto;
}

/* ===== 页脚 / Footer ===== */
.footer {
  padding:4rem 0 0;
  border-top:1px solid var(--border);
  background:var(--bg2);
}

.footer-grid {
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:3rem;
  padding-bottom:3rem;
}

.footer-brand {
  max-width:280px;
}

.footer-brand p {
  color:var(--text2);
  font-size:0.9rem;
  line-height:1.8;
  margin-top:1rem;
  max-width:280px;
}

.footer-col h4 {
  font-family:'JetBrains Mono',monospace;
  font-size:0.85rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.5px;
  color:var(--text3);
  margin-bottom:1rem;
}

.footer-col a {
  display:block;
  color:var(--text2);
  font-size:0.9rem;
  margin-bottom:0.6rem;
  transition:color var(--transition);
}

.footer-col a:hover {
  color:var(--blue);
}

.footer-bottom {
  border-top:1px solid var(--border);
  padding:1.5rem 0;
  text-align:center;
}

.footer-bottom p {
  color:var(--text3);
  font-size:0.82rem;
}

/* ===== 通用卡片 / Card ===== */
.card {
  padding:2.5rem;
  border-radius:0;
  background:var(--bg2);
  border:1px solid var(--border);
  transition:all var(--transition);
  position:relative;
  border-left:3px solid transparent;
}

.card:hover {
  border-left-color:var(--blue);
  box-shadow:var(--glow-blue);
}

.card-icon {
  width:56px;
  height:56px;
  border-radius:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.3rem;
  margin-bottom:1.5rem;
  background:rgba(59,130,246,0.08);
  color:var(--blue);
  border:1px solid rgba(59,130,246,0.15);
}

.card h4 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:1.15rem;
  font-weight:600;
  margin-bottom:0.6rem;
}

.card p {
  color:var(--text2);
  font-size:0.95rem;
  line-height:1.8;
}

/* ===== 网格布局 / Grid Layouts ===== */
.grid-2 {
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:2rem;
}

.grid-3 {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2rem;
}

.grid-4 {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:2rem;
}

/* ===== AOS 动画 / AOS Animations ===== */
[data-aos] {
  opacity:0;
  transform:translateY(24px);
  transition:opacity 0.6s ease,transform 0.6s ease;
}

[data-aos].aos-animate {
  opacity:1;
  transform:translateY(0);
}

[data-aos="fade-right"] {
  transform:translateX(-24px);
}

[data-aos="fade-right"].aos-animate {
  transform:translateX(0);
}

[data-aos="fade-left"] {
  transform:translateX(24px);
}

[data-aos="fade-left"].aos-animate {
  transform:translateX(0);
}

[data-aos="zoom-in"] {
  transform:scale(0.95);
}

[data-aos="zoom-in"].aos-animate {
  transform:scale(1);
}

/* ===== 页面 Hero / Page Hero ===== */
.page-hero {
  padding:10rem 0 5rem;
  text-align:center;
  position:relative;
  overflow:hidden;
  background:var(--bg);
}

.page-hero::before {
  content:'';
  position:absolute;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:800px;
  height:400px;
  background:radial-gradient(ellipse,rgba(59,130,246,0.06),transparent 70%);
  pointer-events:none;
}

.page-hero .tag {
  margin-bottom:1.2rem;
}

.page-hero h1 {
  margin-bottom:1rem;
}

.page-hero .subtitle {
  margin:0 auto;
}

/* ===== 表单 / Forms ===== */
.form-group {
  margin-bottom:1.5rem;
}

.form-group label {
  display:block;
  font-size:0.85rem;
  font-weight:600;
  margin-bottom:0.5rem;
  color:var(--text2);
}

.form-group label i {
  margin-right:0.4rem;
  color:var(--blue);
}

.form-input {
  width:100%;
  padding:0.85rem 1rem;
  border-radius:0;
  border:1px solid var(--border);
  background:var(--bg3);
  color:var(--text);
  font-size:0.95rem;
  font-family:inherit;
  transition:border-color var(--transition),box-shadow var(--transition);
  outline:none;
}

.form-input:focus {
  border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(59,130,246,0.12);
}

.form-input::placeholder {
  color:var(--text3);
}

select.form-input {
  cursor:pointer;
}

textarea.form-input {
  resize:vertical;
  min-height:120px;
}

/* ===== 首屏 Hero 区域 / Hero Section ===== */
.hero {
  min-height:100vh;
  display:flex;
  align-items:center;
  padding:calc(var(--nav-h) + 4rem) 0 6rem;
  position:relative;
  overflow:hidden;
  background:var(--bg);
}

/* Grid line background effect */
.hero::before {
  content:'';
  position:absolute;
  top:-200px;
  right:-200px;
  width:700px;
  height:700px;
  background:radial-gradient(circle,rgba(59,130,246,0.08),transparent 70%);
  pointer-events:none;
  animation:heroGlow 8s ease-in-out infinite alternate;
}

.hero::after {
  content:'';
  position:absolute;
  bottom:-200px;
  left:-100px;
  width:500px;
  height:500px;
  background:radial-gradient(circle,rgba(6,182,212,0.06),transparent 70%);
  pointer-events:none;
  animation:heroGlow 10s ease-in-out infinite alternate-reverse;
}

/* ===== 关键帧动画 / Keyframe Animations ===== */
@keyframes heroGlow {
  0% {
    opacity:0.6;
    transform:scale(1);
  }
  100% {
    opacity:1;
    transform:scale(1.15);
  }
}

.hero-inner {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4rem;
  align-items:center;
  position:relative;
  z-index:1;
}

.hero-text {
  max-width:560px;
}

.hero-text h1 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:clamp(2.5rem,5vw,4rem);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-0.03em;
  margin-bottom:1.5rem;
  color:var(--text);
}

.hero-text p {
  font-size:1.15rem;
  color:var(--text2);
  margin-bottom:2.5rem;
  line-height:1.8;
  max-width:480px;
}

.hero-btns {
  display:flex;
  gap:1rem;
  flex-wrap:wrap;
}

.hero-visual {
  display:flex;
  justify-content:center;
  align-items:center;
  will-change:transform;
}

.hero-visual dotlottie-player {
  width:100%;
  max-width:500px;
  filter:drop-shadow(0 0 60px rgba(59,130,246,0.15));
}

/* ===== 滚动指示器 / Scroll Indicator ===== */
.scroll-indicator {
  position:absolute;
  bottom:2.5rem;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:0.5rem;
  color:var(--text3);
  font-family:'JetBrains Mono',monospace;
  font-size:0.8rem;
}

.scroll-indicator .line {
  width:1px;
  height:40px;
  background:linear-gradient(to bottom,var(--blue),transparent);
  animation:scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% {
    opacity:1;
    transform:scaleY(1);
  }
  50% {
    opacity:0.3;
    transform:scaleY(0.4);
  }
  100% {
    opacity:1;
    transform:scaleY(1);
  }
}

/* ===== 信任背书栏 / Trust Bar ===== */
.trust-bar {
  padding:3rem 0;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  background:var(--bg2);
}

.trust-inner {
  text-align:center;
}

.trust-inner p {
  color:var(--text3);
  font-family:'JetBrains Mono',monospace;
  font-size:0.85rem;
  margin-bottom:1.5rem;
  letter-spacing:0.5px;
  text-transform:uppercase;
  font-weight:500;
}

.trust-logos {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:3rem;
  flex-wrap:wrap;
}

.trust-logos span {
  color:var(--text3);
  font-family:'JetBrains Mono',monospace;
  font-size:0.9rem;
  font-weight:600;
  letter-spacing:1px;
  text-transform:uppercase;
  opacity:0.5;
  transition:opacity var(--transition);
}

.trust-logos span:hover {
  opacity:0.8;
  color:var(--blue);
}

/* ===== 特性展示 / Feature Cards ===== */
.features-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.5rem;
}

.feature-card {
  padding:2.5rem;
  border-radius:0;
  background:var(--bg2);
  border:1px solid var(--border);
  transition:all 0.4s cubic-bezier(0.4,0,0.2,1);
  position:relative;
  overflow:hidden;
  border-left:3px solid transparent;
}

.feature-card::before {
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 0.4s ease;
}

.feature-card:hover {
  border-left-color:var(--blue);
  box-shadow:var(--glow-blue);
  transform:translateY(-4px);
}

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

.feature-card-icon {
  width:48px;
  height:48px;
  border-radius:0;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:1.5rem;
  font-size:1.2rem;
  background:rgba(59,130,246,0.08);
  color:var(--blue);
  border:1px solid rgba(59,130,246,0.15);
}

.feature-card h3 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:1.15rem;
  font-weight:700;
  margin-bottom:0.6rem;
}

.feature-card p {
  color:var(--text2);
  font-size:0.92rem;
  line-height:1.8;
}

/* ===== 数据统计条 / Stats Bar ===== */
.stats-row {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:2rem;
  margin-bottom:4rem;
}

.stat-item {
  text-align:center;
  padding:2rem;
  border-radius:0;
  transition:all var(--transition);
  border:1px solid transparent;
}

.stat-item:hover {
  background:var(--bg2);
  border-color:var(--border);
  box-shadow:var(--glow-blue);
}

.stat-number {
  font-family:'JetBrains Mono',monospace;
  font-size:clamp(2.5rem,4vw,3.5rem);
  font-weight:700;
  letter-spacing:-0.02em;
  line-height:1;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.stat-label {
  color:var(--text2);
  font-size:0.9rem;
  margin-top:0.5rem;
  font-weight:500;
}

/* ===== 服务展示 / Service Rows ===== */
.service-row {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:5rem;
  align-items:center;
  margin-bottom:6rem;
}

.service-row:last-child {
  margin-bottom:0;
}

.service-row.reverse .service-visual {
  order:-1;
}

.service-content h3 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:1.6rem;
  font-weight:700;
  margin-bottom:0.8rem;
  letter-spacing:-0.01em;
}

.service-content .desc {
  color:var(--text2);
  font-size:1rem;
  margin-bottom:1.5rem;
  line-height:1.8;
}

.service-features {
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:0.7rem;
}

.service-features li {
  display:flex;
  align-items:center;
  gap:0.7rem;
  color:var(--text2);
  font-size:0.92rem;
  transition:color var(--transition);
}

.service-features li:hover {
  color:var(--text);
}

.service-features li i {
  color:var(--blue);
  font-size:0.75rem;
  flex-shrink:0;
}

.service-visual {
  display:flex;
  justify-content:center;
  align-items:center;
  min-height:280px;
}

.service-icon-box {
  width:180px;
  height:180px;
  border-radius:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--bg3);
  border:1px solid var(--border);
  position:relative;
  transition:all 0.5s ease;
}

.service-icon-box:hover {
  transform:rotate(2deg) scale(1.05);
  box-shadow:var(--glow-blue);
  border-color:var(--blue);
}

.service-icon-box i {
  font-size:3.5rem;
  color:var(--blue);
}

.service-icon-box::after {
  content:'';
  position:absolute;
  inset:-1px;
  border-radius:0;
  background:linear-gradient(135deg,rgba(59,130,246,0.15),transparent 50%,rgba(6,182,212,0.1));
  z-index:-1;
}

/* ===== 工作流程 / Workflow Steps ===== */
.workflow-steps {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:2rem;
  position:relative;
}

.workflow-steps::before {
  content:'';
  position:absolute;
  top:3.5rem;
  left:12%;
  right:12%;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--border),var(--border),transparent);
  z-index:0;
}

.workflow-step {
  text-align:center;
  padding:2rem 1rem;
  position:relative;
  z-index:1;
}

.step-num {
  font-family:'JetBrains Mono',monospace;
  font-size:4rem;
  font-weight:700;
  background:linear-gradient(135deg,var(--bg3),var(--border));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1;
  margin-bottom:1rem;
  letter-spacing:-0.05em;
  transition:all 0.4s ease;
}

.workflow-step:hover .step-num {
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  -webkit-background-clip:text;
  background-clip:text;
}

.workflow-step h4 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:0.4rem;
}

.workflow-step p {
  color:var(--text2);
  font-size:0.88rem;
  line-height:1.7;
}

/* ===== 预约 / Booking ===== */
.booking-layout {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4rem;
  align-items:start;
}

.booking-info {
  padding:2.5rem;
  border-radius:0;
  background:var(--bg2);
  border:1px solid var(--border);
  border-left:3px solid var(--blue);
}

.booking-info h3 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:1.3rem;
  font-weight:700;
  margin-bottom:1.5rem;
}

.info-list {
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:1rem;
}

.info-list li {
  display:flex;
  align-items:center;
  gap:0.8rem;
  color:var(--text2);
  font-size:0.92rem;
  transition:color var(--transition);
}

.info-list li:hover {
  color:var(--text);
}

.info-list li i {
  color:var(--blue);
  width:18px;
  text-align:center;
  flex-shrink:0;
}

.price-card {
  margin-top:2rem;
  padding:1.5rem;
  border-radius:0;
  background:var(--bg3);
  border:1px solid var(--border);
  text-align:center;
  transition:all var(--transition);
}

.price-card:hover {
  box-shadow:var(--glow-blue);
  border-color:rgba(59,130,246,0.3);
}

.price-amount {
  font-family:'JetBrains Mono',monospace;
  font-size:2.5rem;
  font-weight:700;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.price-label {
  color:var(--text2);
  font-size:0.85rem;
  margin-top:0.2rem;
}

/* ===== 表单卡片 / Form Card ===== */
.form-card {
  padding:2.5rem;
  border-radius:0;
  background:var(--bg2);
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
}

.form-group input,.form-group select,.form-group textarea {
  width:100%;
  padding:0.8rem 1rem;
  border-radius:0;
  border:1.5px solid var(--border);
  background:var(--bg3);
  color:var(--text);
  font-size:0.92rem;
  font-family:inherit;
  transition:all var(--transition);
  outline:none;
}

.form-group input:focus,.form-group select:focus,.form-group textarea:focus {
  border-color:var(--blue);
  box-shadow:0 0 0 4px rgba(59,130,246,0.1);
}

.form-group input::placeholder,.form-group textarea::placeholder {
  color:var(--text3);
}

.form-group textarea {
  resize:vertical;
  min-height:100px;
}

/* ===== 查询 / Query ===== */
.query-container {
  max-width:640px;
  margin:0 auto;
  text-align:center;
}

.search-box {
  display:flex;
  align-items:center;
  gap:1rem;
  padding:0.5rem 0.5rem 0.5rem 1.5rem;
  border-radius:0;
  background:var(--bg2);
  border:1.5px solid var(--border);
  transition:all var(--transition);
  box-shadow:var(--shadow-sm);
}

.search-box:focus-within {
  border-color:var(--blue);
  box-shadow:0 0 0 4px rgba(59,130,246,0.1),var(--glow-blue);
}

.search-box i {
  color:var(--text3);
  font-size:1.1rem;
  flex-shrink:0;
}

.search-box input {
  flex:1;
  background:none;
  border:none;
  color:var(--text);
  font-size:1rem;
  outline:none;
  font-family:inherit;
}

.search-box .btn-primary {
  padding:0.7rem 1.5rem;
  border-radius:0;
  white-space:nowrap;
  flex-shrink:0;
}

.query-hint {
  color:var(--text3);
  font-size:0.85rem;
  margin-top:1rem;
}

/* ===== 关于卡片 / About Cards ===== */
.about-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2rem;
}

.about-card {
  padding:2.5rem;
  border-radius:0;
  background:var(--bg2);
  border:1px solid var(--border);
  text-align:center;
  transition:all 0.4s ease;
  border-left:3px solid transparent;
}

.about-card:hover {
  border-left-color:var(--blue);
  box-shadow:var(--glow-blue);
  transform:translateY(-4px);
}

.about-icon {
  width:56px;
  height:56px;
  border-radius:0;
  background:rgba(59,130,246,0.08);
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 1.2rem;
  font-size:1.3rem;
  color:var(--blue);
  border:1px solid rgba(59,130,246,0.15);
  transition:all 0.4s ease;
}

.about-card:hover .about-icon {
  background:rgba(59,130,246,0.12);
  border-color:var(--blue);
  box-shadow:var(--glow-blue);
  transform:scale(1.1);
}

.about-card h4 {
  font-family:'JetBrains Mono','Noto Sans SC',monospace;
  font-size:1.15rem;
  font-weight:700;
  margin-bottom:0.6rem;
}

.about-card p {
  color:var(--text2);
  font-size:0.9rem;
  line-height:1.8;
}

/* ===== 联系我们 / Contact ===== */
.contact-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4rem;
  align-items:start;
}

.contact-info-cards {
  display:flex;
  flex-direction:column;
  gap:1.5rem;
}

.contact-card {
  padding:2rem;
  border-radius:0;
  background:var(--bg2);
  border:1px solid var(--border);
  display:flex;
  align-items:flex-start;
  gap:1.2rem;
  transition:all 0.4s ease;
  border-left:3px solid transparent;
}

.contact-card:hover {
  border-left-color:var(--blue);
  transform:translateX(6px);
  box-shadow:var(--glow-blue);
}

.contact-card-icon {
  width:44px;
  height:44px;
  border-radius:0;
  background:var(--bg3);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.1rem;
  color:var(--blue);
  flex-shrink:0;
  border:1px solid var(--border);
  transition:all 0.4s ease;
}

.contact-card:hover .contact-card-icon {
  background:rgba(59,130,246,0.1);
  border-color:var(--blue);
}

.contact-card h4 {
  font-size:1rem;
  font-weight:700;
  margin-bottom:0.3rem;
}

.contact-card p {
  color:var(--text2);
  font-size:0.9rem;
}

/* ===== CTA 区域 / CTA Section ===== */
.cta-section {
  padding:7rem 0;
  background:var(--bg2);
  border-top:1px solid var(--border);
  position:relative;
  overflow:hidden;
}

.cta-section::before {
  content:'';
  position:absolute;
  top:-100px;
  left:50%;
  transform:translateX(-50%);
  width:600px;
  height:600px;
  background:radial-gradient(circle,rgba(59,130,246,0.06),transparent 70%);
  pointer-events:none;
}

.cta-inner {
  text-align:center;
  max-width:560px;
  margin:0 auto;
  position:relative;
  z-index:1;
}

.cta-inner h2 {
  font-size:clamp(1.8rem,3vw,2.5rem);
  font-weight:800;
  margin-bottom:1rem;
  letter-spacing:-0.02em;
}

.cta-inner p {
  color:var(--text2);
  font-size:1.05rem;
  margin-bottom:2rem;
  line-height:1.8;
}

.cta-btns {
  display:flex;
  gap:1rem;
  justify-content:center;
  flex-wrap:wrap;
}

/* ===== 页面头部 / Page Header ===== */
.page-header {
  padding:calc(var(--nav-h) + 5rem) 0 4rem;
  text-align:center;
  background:var(--bg2);
  border-bottom:1px solid var(--border);
  position:relative;
  overflow:hidden;
}

.page-header::before {
  content:'';
  position:absolute;
  top:-100px;
  right:-100px;
  width:400px;
  height:400px;
  background:radial-gradient(circle,rgba(59,130,246,0.05),transparent 70%);
  pointer-events:none;
}

.page-header::after {
  content:'';
  position:absolute;
  bottom:-80px;
  left:-80px;
  width:300px;
  height:300px;
  background:radial-gradient(circle,rgba(6,182,212,0.04),transparent 70%);
  pointer-events:none;
}

/* ===== 自定义动画 / Custom Animations ===== */
[data-animate] {
  opacity:0;
  transform:translateY(28px);
  transition:opacity 0.7s cubic-bezier(0.4,0,0.2,1),transform 0.7s cubic-bezier(0.4,0,0.2,1);
}

[data-animate].visible {
  opacity:1;
  transform:translateY(0);
}

[data-animate="fade-left"] {
  transform:translateX(-28px);
}

[data-animate="fade-left"].visible {
  transform:translateX(0);
}

[data-animate="fade-right"] {
  transform:translateX(28px);
}

[data-animate="fade-right"].visible {
  transform:translateX(0);
}

[data-animate="scale"] {
  transform:scale(0.94);
}

[data-animate="scale"].visible {
  transform:scale(1);
}

/* ===== Toast 通知 / Toast Notifications ===== */
.toast-notification {
  position:fixed;
  bottom:2rem;
  left:50%;
  transform:translateX(-50%) translateY(20px);
  padding:0.9rem 1.6rem;
  border-radius:0;
  background:var(--bg3);
  color:var(--text);
  font-size:0.9rem;
  font-weight:500;
  display:flex;
  align-items:center;
  gap:0.6rem;
  z-index:9999;
  opacity:0;
  transition:all 0.4s cubic-bezier(0.4,0,0.2,1);
  box-shadow:0 12px 40px rgba(0,0,0,0.5);
  border:1px solid var(--border);
  border-left:3px solid var(--blue);
  pointer-events:none;
  white-space:nowrap;
  max-width:90vw;
}

.toast-notification.show {
  opacity:1;
  transform:translateX(-50%) translateY(0);
  pointer-events:auto;
}

.toast-success {
  background:rgba(5,150,105,0.15);
  border-left-color:#10b981;
  color:#10b981;
}

.toast-error {
  background:rgba(220,38,38,0.15);
  border-left-color:#ef4444;
  color:#ef4444;
}

.toast-notification i {
  font-size:1.1rem;
  flex-shrink:0;
}

/* ===== 响应式适配 / Responsive — 1024px ===== */
@media(max-width:1024px) {
  .grid-4 {
    grid-template-columns:repeat(2,1fr);
  }
  .hero-inner {
    grid-template-columns:1fr;
    text-align:center;
  }
  .hero-text {
    max-width:100%;
  }
  .hero-text p {
    margin:0 auto 2.5rem;
  }
  .hero-btns {
    justify-content:center;
  }
  .hero-visual {
    margin-top:2rem;
  }
  .features-grid {
    grid-template-columns:1fr 1fr;
  }
  .stats-row {
    grid-template-columns:repeat(2,1fr);
  }
  .service-row {
    grid-template-columns:1fr;
    text-align:center;
    gap:2rem;
  }
  .service-row.reverse .service-visual {
    order:0;
  }
  .service-visual {
    min-height:200px;
  }
  .workflow-steps {
    grid-template-columns:repeat(2,1fr);
  }
  .workflow-steps::before {
    display:none;
  }
  .booking-layout {
    grid-template-columns:1fr;
  }
  .contact-grid {
    grid-template-columns:1fr;
  }
  .about-grid {
    grid-template-columns:1fr;
  }
  .footer-grid {
    grid-template-columns:1fr 1fr;
  }
}

/* ===== 响应式适配 / Responsive — 768px ===== */
@media(max-width:768px) {
  .container {
    padding:0 1.25rem;
  }
  .nav-links {
    display:none;
  }
  .hamburger {
    display:flex;
  }
  .section {
    padding:5rem 0;
  }
  .page-hero {
    padding:8rem 0 3rem;
  }
  .grid-2,.grid-3,.grid-4 {
    grid-template-columns:1fr;
  }
  .footer-grid {
    grid-template-columns:1fr;
  }
  h1 {
    font-size:2.2rem;
  }
  h2 {
    font-size:1.8rem;
  }
  .btn-lg {
    padding:0.85rem 1.6rem;
    font-size:0.95rem;
  }
  .features-grid {
    grid-template-columns:1fr;
  }
  .stats-row {
    grid-template-columns:1fr 1fr;
  }
  .workflow-steps {
    grid-template-columns:1fr;
  }
  .search-box {
    flex-direction:column;
    padding:1rem;
  }
  .search-box .btn-primary {
    width:100%;
    justify-content:center;
  }
  .hero {
    min-height:auto;
    padding:calc(var(--nav-h) + 3rem) 0 4rem;
  }
  .hero-visual dotlottie-player {
    max-width:320px;
  }
  .contact-card:hover {
    transform:none;
  }
  .toast-notification {
    bottom:1rem;
    font-size:0.85rem;
    padding:0.75rem 1.2rem;
  }
}

/* ===== 响应式适配 / Responsive — 480px ===== */
@media(max-width:480px) {
  .section {
    padding:4rem 0;
  }
  .section-title {
    font-size:1.8rem;
  }
  .hero-text h1 {
    font-size:2rem;
  }
  .stats-row {
    grid-template-columns:1fr;
    gap:1rem;
  }
  .stat-item {
    padding:1.2rem;
  }
  .feature-card {
    padding:1.8rem;
  }
  .about-card {
    padding:1.8rem;
  }
  .booking-info {
    padding:1.8rem;
  }
  .form-card {
    padding:1.8rem;
  }
  .page-header {
    padding:calc(var(--nav-h) + 3rem) 0 3rem;
  }
}