/* ==========================================================
   成都瑞思拜克科技有限公司 · 官方门户
   Theme: 暗色渐变 · 年轻 · 现代 · 互动
   ========================================================== */

/* ---------- 0. 设计变量 ---------- */
:root {
  --bg-0: #07070c;
  --bg-1: #0d0d14;
  --bg-2: #14141d;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);

  --text-0: #ffffff;
  --text-1: #e6e6ec;
  --text-2: #a1a1aa;
  --text-3: #6b6b76;

  --purple: #a855f7;
  --pink: #ec4899;
  --cyan: #06b6d4;
  --orange: #fb923c;
  --grad-1: linear-gradient(135deg, #a855f7 0%, #ec4899 50%, #f97316 100%);
  --grad-2: linear-gradient(135deg, #06b6d4 0%, #a855f7 100%);
  --grad-3: linear-gradient(135deg, #ec4899 0%, #fb923c 100%);
  --grad-text: linear-gradient(135deg, #c084fc 0%, #f472b6 50%, #fb923c 100%);

  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 20px 60px -10px rgba(168, 85, 247, 0.4);

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;

  --container: 1280px;
  --space-section: 140px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- 1. 重置 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-width: thin;
  scrollbar-color: rgba(168, 85, 247, 0.5) transparent;
}
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(168, 85, 247, 0.4); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(168, 85, 247, 0.7); }

body {
  font-family: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: all 0.3s var(--ease-out); }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; }

/* ---------- 2. 自定义光标 ---------- */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  will-change: transform;
}
.cursor-dot {
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s, width 0.3s, height 0.3s;
}
.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s var(--ease-out), height 0.4s var(--ease-out), background 0.3s, border-color 0.3s;
}
.cursor-dot.hover {
  width: 0;
  height: 0;
  opacity: 0;
}
.cursor-ring.hover {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
}
@media (hover: none), (max-width: 1024px) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ---------- 3. 全局光斑 + 粒子 + 噪点 ---------- */
.light-spot {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, rgba(236, 72, 153, 0.08) 30%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: transform 0.6s var(--ease-out);
  filter: blur(40px);
  will-change: transform;
}
.particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ---------- 4. 容器 ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 3;
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
}

/* ---------- 5. 通用工具 ---------- */
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

/* ---------- 6. 导航 ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all 0.4s var(--ease-out);
}
.navbar.scrolled {
  padding: 12px 0;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(7, 7, 12, 0.7);
  border-bottom: 1px solid var(--border);
}
.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-0);
}
.logo-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--grad-1);
  color: white;
  font-size: 18px;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  box-shadow: var(--shadow-glow);
}
.logo-text {
  font-size: 15px;
  letter-spacing: 0.18em;
}
.logo-dot {
  color: var(--pink);
  margin: 0 2px;
  opacity: 0.7;
}
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-link {
  position: relative;
  font-size: 14px;
  color: var(--text-2);
  padding: 8px 0;
  font-weight: 500;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--grad-1);
  border-radius: 2px;
  transition: transform 0.4s var(--ease-out);
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-0);
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--text-0);
  color: var(--bg-0);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.3s var(--ease-out);
}
.nav-cta:hover {
  background: var(--grad-1);
  color: white;
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-0);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out);
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
}
@media (max-width: 768px) {
  .nav-container { padding: 0 20px; }
  .logo-text { display: none; }
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.3s var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-lg { padding: 18px 36px; font-size: 15px; }
.btn-primary {
  background: var(--text-0);
  color: var(--bg-0);
}
.btn-primary:hover {
  background: var(--grad-1);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text-0);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--text-0);
}

/* 磁吸按钮 */
.magnetic {
  transition: transform 0.4s var(--ease-out);
}

/* ---------- 8. Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: blur(2px);
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  will-change: transform;
}
.orb-1 {
  width: 500px; height: 500px;
  background: var(--purple);
  top: -100px; left: -100px;
  animation: orbFloat 12s ease-in-out infinite;
}
.orb-2 {
  width: 600px; height: 600px;
  background: var(--pink);
  bottom: -150px; right: -150px;
  animation: orbFloat 16s ease-in-out infinite reverse;
}
.orb-3 {
  width: 400px; height: 400px;
  background: var(--cyan);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.3;
  animation: orbFloat 20s ease-in-out infinite;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -30px) scale(1.1); }
  66% { transform: translate(-30px, 40px) scale(0.95); }
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 40px;
  backdrop-filter: blur(10px);
}
.tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 12px var(--pink);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-title {
  font-family: 'Noto Sans SC', 'Inter', sans-serif;
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.title-line {
  display: block;
  overflow: hidden;
}
.title-word {
  display: inline-block;
  margin: 0 0.2em;
  position: relative;
}
.title-word::before {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}
.title-word.is-visible::before {
  opacity: 1;
}
.hero-desc {
  font-size: clamp(0.95rem, 1.4vw, 1.125rem);
  color: var(--text-2);
  max-width: 720px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.hero-desc b {
  color: var(--text-0);
  font-weight: 600;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 80px;
}
.hero-marquee {
  overflow: hidden;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 32px;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-2);
}
.marquee-track span:nth-child(4n+1) { color: var(--purple); }
.marquee-track span:nth-child(4n+2) { color: var(--pink); }
.marquee-track span:nth-child(4n+3) { color: var(--cyan); }
.marquee-track span:nth-child(4n) { color: var(--orange); }
.dot-sep {
  opacity: 0.5;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--text-3);
  z-index: 2;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--purple), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 50%;
  background: var(--pink);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

@media (max-width: 768px) {
  .hero { padding: 120px 0 60px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .scroll-indicator { display: none; }
}

/* ---------- 9. 数据展示 ---------- */
.stats {
  padding: 80px 0;
  position: relative;
  z-index: 2;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  text-align: center;
  padding: 20px;
  border-radius: var(--radius-md);
  transition: background 0.4s var(--ease-out);
}
.stat-item:hover {
  background: var(--surface);
}
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  line-height: 1;
}
.stat-num-suffix {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--pink);
  display: inline-block;
  margin-left: 4px;
  vertical-align: top;
}
.stat-label {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-2);
  letter-spacing: 0.05em;
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

/* ---------- 10. 通用节段 ---------- */
section {
  padding: var(--space-section) 0;
  position: relative;
  z-index: 2;
}
@media (max-width: 768px) {
  section { padding: 80px 0; }
}
.section-head {
  max-width: 760px;
  margin-bottom: 80px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--text-2);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.eyebrow-num {
  font-size: 11px;
  color: var(--bg-0);
  background: var(--grad-1);
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.1em;
}
.section-title {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.section-title span {
  display: block;
}
.section-desc {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  color: var(--text-2);
  line-height: 1.7;
  max-width: 640px;
}
.section-head.center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 11. 服务卡片 ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: all 0.5s var(--ease-out);
  cursor: pointer;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-1);
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
  z-index: -1;
}
.service-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}
.service-card:hover .card-image img {
  transform: scale(1.08);
}
.card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--bg-1));
}
.card-body {
  padding: 28px 28px 32px;
  position: relative;
}
.card-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--pink);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}
.card-title {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-0);
}
.card-text {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.card-tags span {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-2);
  background: var(--surface);
}

/* ---------- 12. 作品展示 ---------- */
.works {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .works-grid { grid-template-columns: 1fr; }
}
.work-card {
  position: relative;
  height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-2);
  display: block;
  transition: all 0.5s var(--ease-out);
}
.work-card.large {
  height: 420px;
  grid-column: span 2;
}
@media (max-width: 1024px) {
  .work-card.large { grid-column: span 2; height: 360px; }
}
@media (max-width: 640px) {
  .work-card.large { grid-column: span 1; height: 320px; }
}
.work-img {
  position: absolute;
  inset: 0;
}
.work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-out);
}
.work-card:hover .work-img img {
  transform: scale(1.08);
}
.work-overlay {
  position: absolute;
  inset: 0;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, transparent 30%, rgba(7, 7, 12, 0.95));
  transition: background 0.5s var(--ease-out);
}
.work-card:hover .work-overlay {
  background: linear-gradient(180deg, rgba(168, 85, 247, 0.1) 0%, rgba(7, 7, 12, 0.95) 60%);
}
.work-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.work-cat {
  display: inline-block;
  align-self: flex-start;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--pink);
  margin-bottom: 12px;
  padding: 4px 10px;
  background: rgba(236, 72, 153, 0.15);
  border-radius: 100px;
  transform: translateY(8px);
  opacity: 0;
  transition: all 0.5s var(--ease-out) 0.1s;
}
.work-title {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 8px;
  transform: translateY(8px);
  opacity: 0;
  transition: all 0.5s var(--ease-out) 0.2s;
}
.work-desc {
  font-size: 14px;
  color: var(--text-2);
  transform: translateY(8px);
  opacity: 0;
  transition: all 0.5s var(--ease-out) 0.3s;
}
.work-arrow {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--text-0);
  color: var(--bg-0);
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translate(8px, -8px);
  transition: all 0.5s var(--ease-out);
}
.work-card:hover .work-arrow {
  opacity: 1;
  transform: translate(0, 0);
}
.work-card:hover .work-cat,
.work-card:hover .work-title,
.work-card:hover .work-desc {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 13. 流程 ---------- */
.process-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}
.process-item {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  position: relative;
  align-items: flex-start;
}
.process-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 4rem;
  font-weight: 700;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  min-width: 120px;
}
.process-content {
  flex: 1;
  padding-top: 8px;
}
.process-content h3 {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-0);
}
.process-content p {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.7;
  max-width: 560px;
}
.process-line {
  position: absolute;
  left: 60px;
  top: 100px;
  bottom: -32px;
  width: 2px;
  background: linear-gradient(to bottom, var(--purple), transparent);
}
.process-item:last-child .process-line { display: none; }
@media (max-width: 768px) {
  .process-item { flex-direction: column; gap: 12px; }
  .process-num { font-size: 2.5rem; min-width: auto; }
  .process-line { display: none; }
}

/* ---------- 14. 关于 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
}
.about-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: visible;
}
.about-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.about-badge {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 130px;
  height: 130px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: grid;
  place-items: center;
  animation: rotateBadge 20s linear infinite;
  z-index: 3;
  box-shadow: var(--shadow-md);
}
.badge-circle text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  fill: var(--text-2);
  text-transform: uppercase;
}
.badge-inner {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.05em;
  line-height: 1.1;
  text-align: center;
}
@keyframes rotateBadge {
  to { transform: rotate(360deg); }
}
.badge-circle text {
  animation: rotateBadgeReverse 20s linear infinite;
}
@keyframes rotateBadgeReverse {
  to { transform: rotate(-360deg); }
}
.about-text {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-list {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-1);
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease-out);
}
.about-list li:hover {
  border-color: var(--border-strong);
  background: var(--surface-strong);
}
.check {
  width: 18px; height: 18px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--grad-1);
  color: white;
  font-size: 11px;
  font-weight: 700;
}
@media (max-width: 640px) {
  .about-list { grid-template-columns: 1fr; }
  .about-badge { width: 100px; height: 100px; bottom: -20px; right: -10px; }
  .badge-inner { font-size: 1rem; }
}

/* ---------- 15. 联系 ---------- */
.contact {
  position: relative;
  padding: var(--space-section) 0;
  overflow: hidden;
}
.contact-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.contact-bg .orb {
  width: 500px; height: 500px;
  opacity: 0.4;
}
.contact-bg .orb-1 {
  background: var(--cyan);
  top: -100px; left: -150px;
}
.contact-bg .orb-2 {
  background: var(--pink);
  bottom: -100px; right: -100px;
}
.contact-inner {
  position: relative;
  z-index: 2;
}
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
}
@media (max-width: 1024px) {
  .contact-cards { grid-template-columns: 1fr; }
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease-out);
  text-align: left;
  width: 100%;
}
.contact-card-wide {
  align-items: flex-start;
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.08), rgba(236, 72, 153, 0.04));
  border-color: var(--border-strong);
}
a.contact-card:hover {
  background: var(--surface-strong);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.contact-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--grad-1);
  color: white;
  flex-shrink: 0;
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.contact-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-3);
  text-transform: uppercase;
}
.contact-value {
  font-size: 15px;
  color: var(--text-0);
  font-weight: 500;
  word-break: break-all;
  line-height: 1.5;
}
.contact-value-address {
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.contact-arrow {
  color: var(--text-2);
  transition: transform 0.3s var(--ease-out);
}
a.contact-card:hover .contact-arrow {
  transform: translateX(4px);
  color: var(--pink);
}
.cta-row {
  margin-top: 60px;
  display: flex;
  justify-content: center;
}

/* ---------- 16. 页脚 ---------- */
.footer {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  position: relative;
  z-index: 2;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
}
.footer-desc {
  margin-top: 16px;
  color: var(--text-2);
  font-size: 14px;
  max-width: 320px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
@media (max-width: 640px) {
  .footer-links { grid-template-columns: 1fr 1fr; }
}
.footer-col h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-3);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.footer-col a,
.footer-col span {
  display: block;
  font-size: 13px;
  color: var(--text-2);
  padding: 4px 0;
  word-break: break-all;
}
.footer-col a:hover { color: var(--text-0); }
.footer-address {
  font-size: 12px !important;
  line-height: 1.6;
  letter-spacing: 0.01em;
  word-break: break-word;
  overflow-wrap: anywhere;
  margin-top: 6px;
  padding-top: 10px !important;
  border-top: 1px dashed var(--border);
  color: var(--text-3) !important;
}
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-3);
}
.footer-icp a {
  color: var(--text-3);
}
.footer-icp a:hover { color: var(--pink); }
.footer-icp .beian-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-right: 14px;
}
.beian-icon {
  flex-shrink: 0;
  opacity: 0.85;
}

/* ---------- 17. Reveal 动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
.reveal[data-reveal="fade-right"] {
  transform: translateX(-40px);
}
.reveal[data-reveal="fade-left"] {
  transform: translateX(40px);
}
.reveal.is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* 卡片3D倾斜 */
.tilt {
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
}

/* 加载进入 */
body:not(.loaded) * {
  animation-play-state: paused !important;
}
body.loaded {
  animation: fadeIn 0.6s var(--ease-out);
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 18. 响应式微调 ---------- */
@media (max-width: 640px) {
  .hero-title { font-size: clamp(2rem, 9vw, 3rem); }
  .section-title { font-size: clamp(1.6rem, 7vw, 2.2rem); }
  .btn { padding: 12px 22px; font-size: 13px; }
  .btn-lg { padding: 16px 28px; }
  .service-card .card-body,
  .work-card .work-overlay { padding: 20px; }
}

/* 选择文本样式 */
::selection {
  background: var(--purple);
  color: white;
}

/* 焦点样式 */
:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 4px;
  border-radius: 4px;
}

/* 减少动效 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}