/* ==========================================================
   新片场传媒（河北）有限公司 · 官网样式
   Theme: Light · Modern Enterprise
   ========================================================== */

:root {
  /* 品牌主色（调深更克制） */
  --brand-1: #2B4BFF;
  --brand-2: #6E56FF;
  --brand-3: #C05BFF;
  --brand-soft: #EEF1FF;
  --brand-soft-2: #F5F0FF;
  --brand-glow: rgba(110, 86, 255, 0.28);

  /* 中性（更冷更克制的灰阶） */
  --ink-1: #0A0E1A;
  --ink-2: #1E2437;
  --ink-3: #4A536B;
  --ink-4: #858DA3;
  --ink-5: #B9BECF;

  /* 背景（暖一点、更柔） */
  --bg: #FFFFFF;
  --bg-soft: #FAFAFC;
  --bg-mute: #F3F4F8;

  /* 边框 */
  --line: #EBEDF3;
  --line-soft: #F2F4F8;

  /* 强调色 */
  --accent-green: #00B87C;
  --accent-orange: #FF8A3D;
  --accent-pink: #FF4B82;
  --accent-cyan: #00C4D8;

  /* 分层柔阴影（多层叠加=高级感） */
  --shadow-xs: 0 1px 1px rgba(10,14,26,.04), 0 1px 2px rgba(10,14,26,.03);
  --shadow-sm:
    0 1px 2px rgba(10,14,26,.04),
    0 2px 8px rgba(10,14,26,.04),
    0 8px 24px rgba(10,14,26,.04);
  --shadow-md:
    0 1px 2px rgba(10,14,26,.05),
    0 4px 14px rgba(10,14,26,.06),
    0 18px 48px rgba(10,14,26,.08);
  --shadow-lg:
    0 2px 4px rgba(10,14,26,.04),
    0 12px 28px rgba(10,14,26,.06),
    0 36px 72px rgba(43,75,255,.14);
  --shadow-glow: 0 0 48px rgba(110,86,255,.22);
  --shadow-glow-sm: 0 0 24px rgba(110,86,255,.18);

  /* 高级缓动曲线 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.33, 1, 0.68, 1);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --container: 1200px;

  --font-cn: "PingFang SC", "Microsoft YaHei", "Heiti SC", "Source Han Sans CN", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-en: "Inter", "SF Pro Display", "SF Pro Text", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ================= Reset / Base ================= */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--brand-1); }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink-1); font-weight: 700; letter-spacing: -.01em; }

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

/* 仅屏幕阅读器可读，用于替代 placeholder 作为 label */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 统一键盘焦点样式 */
:focus-visible {
  outline: 2px solid var(--brand-1);
  outline-offset: 3px;
  border-radius: 6px;
}
.btn:focus-visible {
  outline: 2px solid var(--brand-1);
  outline-offset: 3px;
}
.nav-menu a:focus-visible,
.nav-toggle:focus-visible,
.cm-item:focus-visible {
  outline: 2px solid var(--brand-1);
  outline-offset: 2px;
}

/* 进入视口动画（class 驱动） */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s ease, transform .55s ease;
  will-change: opacity, transform;
}
.reveal.is-inview {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.is-inview { opacity: 1; transform: none; transition: none; }
  .float-card { animation: none; }
  html { scroll-behavior: auto; }
}

.gradient-text {
  background: linear-gradient(120deg, var(--brand-1), var(--brand-2) 55%, var(--brand-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ================= Buttons ================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn svg { transition: transform .2s ease; }
.btn:hover svg { transform: translateX(2px); }

.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--brand-1), var(--brand-2));
  box-shadow: 0 12px 28px rgba(47, 91, 255, .28);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(47, 91, 255, .36);
}

.btn-ghost {
  color: var(--ink-1);
  background: #fff;
  border-color: var(--line);
  box-shadow: var(--shadow-xs);
}
.btn-ghost:hover { border-color: var(--brand-1); color: var(--brand-1); }

.btn-white {
  background: #fff;
  color: var(--brand-1);
}
.btn-white:hover { color: var(--brand-1); background: #fff; transform: translateY(-1px); }

.btn-sm { padding: 10px 18px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; padding: 15px 22px; }

/* ================= Header ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .92);
  border-bottom-color: var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
  display: grid;
  place-items: center;
  box-shadow: 0 8px 18px rgba(47, 91, 255, .28);
  position: relative;
}
.brand-mark::after {
  content: "X";
  color: #fff;
  font-weight: 700;
  font-family: var(--font-en);
  font-size: 18px;
  letter-spacing: -.02em;
}
.brand-mark-dot {
  position: absolute;
  right: -2px; top: -2px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent-orange);
  border: 2px solid #fff;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { color: var(--ink-1); font-size: 16px; }
.brand-text em {
  font-style: normal;
  font-family: var(--font-en);
  font-size: 10px;
  color: var(--ink-4);
  letter-spacing: .08em;
  margin-top: 2px;
}

.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--ink-2);
  font-weight: 500;
  border-radius: 10px;
  position: relative;
}
.nav-menu a:hover { color: var(--brand-1); background: var(--brand-soft); }
.nav-menu a.active { color: var(--brand-1); background: var(--brand-soft); }

.nav-cta { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span {
  display: block;
  width: 16px; height: 1.5px;
  background: var(--ink-1);
  margin: 4px auto;
  transition: transform .2s ease, opacity .2s ease;
}

/* ================= Hero ================= */
.hero {
  position: relative;
  padding: 80px 0 40px;
  overflow: hidden;
  background: linear-gradient(180deg, #F7F9FF 0%, #FFFFFF 60%);
}

.hero-bg {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 0;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .55;
}
.blob-a {
  width: 520px; height: 520px;
  background: radial-gradient(circle, #B8C7FF 0%, transparent 70%);
  top: -180px; right: -120px;
}
.blob-b {
  width: 480px; height: 480px;
  background: radial-gradient(circle, #E3CDFF 0%, transparent 70%);
  bottom: -220px; left: -100px;
}
.grid-mask {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(47, 91, 255, .06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47, 91, 255, .06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 60% 40%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 60% 40%, #000 0%, transparent 70%);
  opacity: .6;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
  padding-bottom: 40px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 500;
  box-shadow: var(--shadow-xs);
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
  box-shadow: 0 0 0 3px rgba(47, 91, 255, .15);
}
.eyebrow-center {
  font-family: var(--font-en);
  font-weight: 600;
  letter-spacing: .12em;
  font-size: 11.5px;
  color: var(--brand-1);
  background: var(--brand-soft);
  border-color: transparent;
  text-transform: uppercase;
}

.hero-title {
  margin: 22px 0 20px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ink-1);
}

.hero-desc {
  font-size: 16px;
  color: var(--ink-3);
  margin: 0 0 32px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 40px;
}
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-item strong {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 700;
  color: var(--ink-1);
  line-height: 1;
  letter-spacing: -.02em;
  display: inline-flex;
  align-items: baseline;
}
.stat-item strong i {
  font-style: normal;
  font-size: 16px;
  color: var(--brand-1);
  margin-left: 2px;
}
.stat-item span { font-size: 13px; color: var(--ink-4); }

/* Hero Visual */
.hero-visual {
  position: relative;
  min-height: 570px;
}

.float-card {
  position: absolute;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 260px;
  animation: floaty 6s ease-in-out infinite;
}
.fc-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
}
.fc-icon-douyin { background: linear-gradient(135deg, #FF2D55, #FF0050); }
.fc-icon-code { background: linear-gradient(135deg, var(--brand-1), var(--brand-2)); font-family: var(--font-en); font-size: 16px; }
.fc-icon-shop { background: linear-gradient(135deg, #FF9F2E, #FF5E2E); }
.fc-icon-dash { background: linear-gradient(135deg, #10B981, #06B6D4); }
.fc-icon-web { background: linear-gradient(135deg, #8B5CF6, #6366F1); }

.fc-body { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.fc-body b { font-size: 14.5px; color: var(--ink-1); }
.fc-body span { font-size: 12px; color: var(--ink-4); }

.fc-tag {
  padding: 4px 10px;
  font-size: 11px;
  background: rgba(47, 91, 255, .1);
  color: var(--brand-1);
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.fc-tag.tag-green { background: rgba(16, 185, 129, .1); color: var(--accent-green); }
.fc-tag.tag-orange { background: rgba(245, 158, 11, .12); color: var(--accent-orange); }
.fc-tag.tag-violet { background: rgba(139, 92, 246, .12); color: #8B5CF6; }
.fc-tag.tag-cyan { background: rgba(6, 182, 212, .12); color: #0891B2; }

.card-a { top: 20px; left: 0; animation-delay: 0s; }
.card-b { top: 130px; right: 0; animation-delay: -2s; }
.card-c { top: 240px; left: 20px; bottom: auto; animation-delay: -4s; }
.card-d { top: 350px; right: 0; bottom: auto; animation-delay: -1s; }
.card-e { top: 460px; left: 0; bottom: auto; animation-delay: -3s; }

.float-dash {
  position: absolute;
  right: 20px; bottom: -20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-md);
  width: 240px;
}
.fd-header {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 12px;
}
.fd-dot { width: 8px; height: 8px; border-radius: 50%; background: #E2E8F0; }
.fd-dot:nth-child(1) { background: #FF5F57; }
.fd-dot:nth-child(2) { background: #FFBD2E; }
.fd-dot:nth-child(3) { background: #28C93F; }
.fd-header em {
  font-style: normal;
  margin-left: auto;
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: .05em;
}
.fd-chart {
  display: flex; align-items: flex-end; gap: 6px;
  height: 72px;
  margin-bottom: 12px;
}
.fd-chart .bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, var(--brand-2), var(--brand-1));
  border-radius: 4px 4px 2px 2px;
  min-height: 16px;
  opacity: .9;
}
.fd-chart .bar:last-child {
  background: linear-gradient(180deg, #F59E0B, #EC4899);
  opacity: 1;
}
.fd-meta {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  color: var(--ink-4);
}
.fd-meta b { color: var(--accent-green); font-family: var(--font-en); font-size: 13px; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 信任条 */
.trust-bar {
  position: relative;
  z-index: 1;
  padding: 22px 0;
  border-top: 1px dashed var(--line);
  margin-top: 20px;
}
.trust-bar .container {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.trust-label {
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: .08em;
}
.trust-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.trust-list li {
  padding: 6px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--ink-2);
  font-weight: 500;
}

/* ================= Section common ================= */
.section {
  padding: 100px 0;
  position: relative;
}
.section-soft { background: var(--bg-soft); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-title {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.2;
  margin: 16px 0 16px;
  color: var(--ink-1);
}
.section-desc {
  color: var(--ink-3);
  font-size: 15.5px;
  margin: 0;
}

/* ================= 四大能力标签 ================= */
.capability-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.cap {
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.cap::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--brand-1), var(--brand-2));
  opacity: 0;
  transition: opacity .25s ease;
}
.cap:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.cap:hover::before { opacity: 1; }
.cap span {
  display: inline-block;
  font-family: var(--font-en);
  color: var(--brand-1);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.cap b { display: block; font-size: 16px; color: var(--ink-1); margin-bottom: 4px; }
.cap em { font-style: normal; font-size: 12.5px; color: var(--ink-4); }

/* ================= Service grid ================= */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.svc-card {
  background: #fff;
  padding: 26px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
  overflow: hidden;
}
.svc-card::after {
  content: "";
  position: absolute;
  right: -40px; top: -40px;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--brand-soft), transparent 70%);
  opacity: 0;
  transition: opacity .25s ease;
}
.svc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.svc-card:hover::after { opacity: 1; }

.svc-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  margin-bottom: 18px;
  color: #fff;
  position: relative;
  z-index: 1;
}
.svc-icon svg { width: 24px; height: 24px; }
.svc-ic-1 { background: linear-gradient(135deg, #FF2D55, #FF4F8B); }
.svc-ic-2 { background: linear-gradient(135deg, #FF5E2E, #FF9F2E); }
.svc-ic-3 { background: linear-gradient(135deg, #FF9500, #FFC043); }
.svc-ic-4 { background: linear-gradient(135deg, #F43F5E, #EC4899); }
.svc-ic-5 { background: linear-gradient(135deg, var(--brand-1), var(--brand-2)); }
.svc-ic-6 { background: linear-gradient(135deg, #06B6D4, #3B82F6); }
.svc-ic-7 { background: linear-gradient(135deg, #0EA5E9, #6366F1); }
.svc-ic-8 { background: linear-gradient(135deg, #7C3AED, #A855F7); }
.svc-ic-9 { background: linear-gradient(135deg, #0891B2, #06B6D4); }
.svc-ic-10 { background: linear-gradient(135deg, #10B981, #34D399); }
.svc-ic-11 { background: linear-gradient(135deg, #6366F1, #8B5CF6); }

.svc-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--ink-1);
  position: relative;
  z-index: 1;
}
.svc-card p {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.65;
  margin: 0 0 16px;
  position: relative;
  z-index: 1;
}
.svc-tag {
  display: inline-block;
  font-size: 11.5px;
  color: var(--brand-1);
  background: var(--brand-soft);
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.svc-card-cta {
  background: linear-gradient(135deg, var(--brand-1) 0%, var(--brand-2) 50%, var(--brand-3) 100%);
  color: #fff;
  border-color: transparent;
  display: flex;
  align-items: center;
}
.svc-card-cta::after { display: none; }
.svc-card-cta:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.cta-inner { position: relative; z-index: 2; }
.svc-card-cta h3 { color: #fff; font-size: 18px; }
.svc-card-cta p { color: rgba(255, 255, 255, .85); margin-bottom: 18px; }
.svc-card-cta .btn-white { display: inline-flex; }

/* ================= 优势 ================= */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.adv-card {
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease;
}
.adv-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.adv-num {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(120deg, var(--brand-1), var(--brand-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.adv-card h3 { font-size: 18px; margin-bottom: 10px; color: var(--ink-1); }
.adv-card p { font-size: 14px; color: var(--ink-3); line-height: 1.7; margin: 0; }

/* ================= 痛点 / 解决方案 ================= */
.pain-list { display: flex; flex-direction: column; gap: 16px; }
.pain-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .25s ease, transform .25s ease;
}
.pain-row:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.pain-q {
  padding: 32px 32px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%);
}
.pain-id {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11.5px;
  padding: 4px 10px;
  background: rgba(244, 63, 94, .08);
  color: #EF4444;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: .05em;
  margin-bottom: 14px;
}
.pain-q h3 { font-size: 20px; margin-bottom: 10px; color: var(--ink-1); }
.pain-q p { font-size: 14px; color: var(--ink-3); margin: 0; line-height: 1.7; }

.pain-a {
  padding: 32px 32px;
  background: #fff;
}
.pain-a h4 {
  font-size: 13px;
  color: var(--brand-1);
  margin-bottom: 14px;
  font-family: var(--font-en);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 600;
  display: flex; align-items: center; gap: 6px;
}
.pain-a h4::before {
  content: "";
  width: 16px; height: 2px;
  background: var(--brand-1);
}
.pain-a ul { display: flex; flex-direction: column; gap: 10px; }
.pain-a li {
  padding-left: 26px;
  position: relative;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
}
.pain-a li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 16px; height: 10px;
  background: var(--brand-soft);
  border-radius: 4px;
}
.pain-a li::after {
  content: "";
  position: absolute;
  left: 4px; top: 9px;
  width: 5px; height: 3px;
  border-left: 1.5px solid var(--brand-1);
  border-bottom: 1.5px solid var(--brand-1);
  transform: rotate(-45deg);
}

/* ================= Process ================= */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
  padding: 0;
  margin: 0;
  list-style: none;
}
.process-steps::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-soft), var(--brand-1), var(--brand-soft));
  opacity: .6;
  z-index: 0;
}
.process-steps li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 20px 22px;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: transform .25s ease, box-shadow .25s ease;
}
.process-steps li:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-num {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  color: #fff;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 14px;
  box-shadow: 0 6px 14px rgba(47, 91, 255, .3);
}
.process-steps h4 { font-size: 16px; margin-bottom: 8px; color: var(--ink-1); }
.process-steps p { font-size: 13px; color: var(--ink-3); margin: 0; line-height: 1.6; }

/* ================= About ================= */
.about-wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text .section-title { text-align: left; margin: 14px 0 18px; }
.about-text p {
  font-size: 15px;
  color: var(--ink-3);
  margin: 0 0 14px;
  line-height: 1.85;
}
.about-chips {
  margin-top: 22px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.about-chips span {
  padding: 6px 14px;
  background: var(--brand-soft);
  color: var(--brand-1);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.as-card {
  padding: 28px 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.as-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.as-card::before {
  content: "";
  position: absolute;
  right: -30px; top: -30px;
  width: 100px; height: 100px;
  border-radius: 50%;
  opacity: .15;
}
.as-1::before { background: var(--brand-1); }
.as-2::before { background: var(--accent-cyan); }
.as-3::before { background: var(--accent-green); }
.as-4::before { background: var(--accent-orange); }
.as-card b {
  display: block;
  font-size: 22px;
  color: var(--ink-1);
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}
.as-card span {
  font-size: 13px;
  color: var(--ink-4);
  position: relative;
  z-index: 1;
}

/* ================= Contact ================= */
.contact-section {
  background: linear-gradient(180deg, var(--bg-soft) 0%, #fff 100%);
}
.contact-wrap {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 48px 44px;
  box-shadow: var(--shadow-sm);
}
.contact-card h2 {
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.2;
  margin: 14px 0 12px;
  color: var(--ink-1);
}
.contact-card > p {
  color: var(--ink-3);
  margin: 0 0 28px;
  font-size: 15px;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 28px;
}
.cm-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  transition: background .2s ease, transform .2s ease;
  border: 1px solid transparent;
  min-width: 0;
}
.cm-item:not(.cm-static):hover {
  background: var(--brand-soft);
  border-color: rgba(47, 91, 255, .2);
  transform: translateY(-2px);
}
.cm-icon {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: #fff;
  display: grid; place-items: center;
  color: var(--brand-1);
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
}
.cm-icon svg { width: 17px; height: 17px; }
.cm-item div { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; flex: 1; }
.cm-item em {
  font-style: normal;
  font-size: 10.5px;
  color: var(--ink-4);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cm-item b {
  font-size: 12.5px;
  color: var(--ink-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-variant-numeric: tabular-nums;
}

.contact-form { display: flex; flex-direction: column; gap: 12px; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cf-field { min-width: 0; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: 14px;
  font-family: inherit;
  color: var(--ink-1);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--brand-1);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(47, 91, 255, .12);
}
.cf-status {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--ink-4);
  min-height: 1em;
  transition: color .2s ease;
}
.cf-status.is-ok { color: var(--accent-green); }
.cf-status.is-err { color: #EF4444; }

.contact-side {
  background: linear-gradient(150deg, #1A1F35 0%, #2A2456 60%, #38276B 100%);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.contact-side::before {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(182, 108, 255, .6), transparent 70%);
  filter: blur(20px);
}
.contact-side h3 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.contact-side ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
}
.contact-side li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, .06);
  border-radius: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, .75);
  border: 1px solid rgba(255, 255, 255, .06);
}
.contact-side li span {
  color: #fff;
  font-weight: 600;
  min-width: 80px;
  flex-shrink: 0;
}
.side-tip {
  position: relative;
  z-index: 1;
  padding: 14px 16px;
  background: rgba(255, 255, 255, .08);
  border-radius: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, .8);
  border-left: 3px solid var(--brand-3);
}
.side-tip b { color: #fff; }

/* ================= Footer ================= */
.site-footer {
  background: #0B1220;
  color: rgba(255, 255, 255, .65);
  padding: 64px 0 24px;
  font-size: 13.5px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  margin-bottom: 20px;
}
.footer-brand .brand .brand-text strong { color: #fff; }
.footer-brand .brand .brand-text em { color: rgba(255, 255, 255, .45); }
.footer-brand p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, .55);
  line-height: 1.8;
  font-size: 13px;
  max-width: 360px;
}
.footer-col h5 {
  color: #fff;
  font-size: 14px;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a:hover,
.footer-col li:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, .4);
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.footer-icp {
  color: rgba(255, 255, 255, .5);
  transition: color .2s ease;
}
.footer-icp:hover { color: #fff; }
.footer-kw { letter-spacing: .05em; }

/* ================= Responsive ================= */
@media (max-width: 1080px) {
  .capability-tabs { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(5, 1fr); gap: 10px; }
  .contact-methods { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1.4fr .8fr .8fr; }
  .footer-grid > :nth-child(4) { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .nav-menu { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .site-header.is-open .nav-menu {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    padding: 12px 20px 20px;
    border-top: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .site-header.is-open .nav-menu a {
    padding: 12px 16px;
    border-radius: 10px;
  }

  .hero { padding: 56px 0 24px; }
  .hero-inner { grid-template-columns: 1fr; gap: 24px; }
  .hero-visual { min-height: 480px; margin-top: 20px; }
  .hero-stats { gap: 28px; }
  .stat-item strong { font-size: 26px; }

  .section { padding: 68px 0; }
  .section-head { margin-bottom: 36px; }

  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: 1fr; }
  .pain-row { grid-template-columns: 1fr; }
  .pain-q { border-right: none; border-bottom: 1px solid var(--line); }

  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .process-line { display: none; }

  .about-wrap { grid-template-columns: 1fr; gap: 30px; }
  .contact-wrap { grid-template-columns: 1fr; }
  .contact-card { padding: 32px 24px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 520px) {
  .capability-tabs { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .float-card { min-width: 220px; padding: 14px 16px; }
  .card-a { top: 10px; left: 0; }
  .card-b { right: 0; top: 120px; }
  .card-c { left: 0; top: 230px; bottom: auto; }
  .card-d { right: 0; top: 340px; bottom: auto; }
  .card-e { left: 0; top: 450px; bottom: auto; }
  .hero-visual { min-height: 550px; }
  .contact-card { padding: 28px 20px; }
  .cf-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ==========================================================
   Premium · 动效与高级感增强
   ========================================================== */

/* 顶部滚动进度条 */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  z-index: 200;
  pointer-events: none;
  background: transparent;
}
.scroll-progress::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: var(--sp, 0%);
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2), var(--brand-3));
  box-shadow: 0 0 16px rgba(110, 86, 255, .45);
  transition: width .08s linear;
}

/* 全局颗粒底纹（提升高级感） */
.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 150;
  opacity: .35;
  mix-blend-mode: multiply;
  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='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.08 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* 光标光晕（跟随鼠标的柔和光斑） */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 520px; height: 520px;
  pointer-events: none;
  z-index: 151;
  background: radial-gradient(circle,
    rgba(110, 86, 255, .18) 0%,
    rgba(192, 91, 255, .10) 30%,
    transparent 65%);
  transform: translate3d(-50%, -50%, 0);
  transition: opacity .4s ease;
  mix-blend-mode: soft-light;
  opacity: 0;
}
.cursor-glow.is-active { opacity: 1; }
@media (hover: none), (pointer: coarse) { .cursor-glow { display: none; } }

/* 渐变文字 · 缓慢流动 */
.gradient-text {
  background: linear-gradient(
    120deg,
    var(--brand-1) 0%,
    var(--brand-2) 30%,
    var(--brand-3) 55%,
    var(--brand-2) 80%,
    var(--brand-1) 100%
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientFlow 9s var(--ease-in-out) infinite;
}
@keyframes gradientFlow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 按钮 · shimmer 扫光 + 精致过渡 */
.btn {
  position: relative;
  overflow: hidden;
  transition: transform .45s var(--ease-out), box-shadow .45s var(--ease-out),
              background .3s ease, color .3s ease, border-color .3s ease;
}
.btn-primary::before {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 120%; height: 100%;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, .35) 50%, transparent 80%);
  transition: left .7s var(--ease-in-out);
  pointer-events: none;
}
.btn-primary:hover::before { left: 120%; }
.btn-primary:hover { transform: translateY(-2px); }

/* Hero 动态网格背景 + mesh */
.hero {
  isolation: isolate;
}
.hero-mesh {
  position: absolute;
  inset: -15%;
  background:
    radial-gradient(ellipse 55% 45% at 18% 28%, rgba(110, 86, 255, .32) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 82% 18%, rgba(192, 91, 255, .26) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 72% 78%, rgba(43, 75, 255, .28) 0%, transparent 60%),
    radial-gradient(ellipse 45% 60% at 28% 88%, rgba(0, 196, 216, .20) 0%, transparent 55%);
  filter: blur(55px);
  animation: meshMove 24s var(--ease-in-out) infinite;
  will-change: transform;
  z-index: 0;
}
@keyframes meshMove {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  33% { transform: translate3d(4%, -3%, 0) rotate(2deg) scale(1.05); }
  66% { transform: translate3d(-3%, 4%, 0) rotate(-2deg) scale(1.02); }
}
.blob { opacity: .35 !important; }

/* Hero 标题 · 逐词浮现 */
.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(32px) rotate(2deg);
  animation: wordReveal 1s var(--ease-out) calc(var(--i, 0) * 85ms + 200ms) forwards;
  will-change: transform, opacity;
}
@keyframes wordReveal {
  to { opacity: 1; transform: translateY(0) rotate(0); }
}

/* Hero 描述/按钮/统计区 · 延迟淡入 */
.hero-desc,
.hero-actions,
.hero-stats,
.eyebrow {
  opacity: 0;
  animation: fadeUp .8s var(--ease-out) forwards;
}
.eyebrow { animation-delay: .05s; }
.hero-desc { animation-delay: .6s; }
.hero-actions { animation-delay: .75s; }
.hero-stats { animation-delay: .9s; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero 浮卡 · 3D tilt 支撑 + 入场 */
.hero-visual { perspective: 1400px; transform-style: preserve-3d; }
.float-card, .float-dash {
  opacity: 0;
  transform: translateY(40px) scale(.94);
  animation: floatIn 1s var(--ease-out) forwards;
  will-change: transform;
  backface-visibility: hidden;
  transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out);
}
.card-a { animation-delay: .5s; }
.card-b { animation-delay: .62s; }
.card-c { animation-delay: .74s; }
.card-d { animation-delay: .86s; }
.card-e { animation-delay: .98s; }
.float-dash { animation-delay: .98s; }
@keyframes floatIn {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* 覆盖原 floaty：与入场动画链式、更缓 */
.float-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(110, 86, 255, .05), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .4s var(--ease-out);
}
.float-card:hover::after { opacity: 1; }
.float-card:hover { box-shadow: var(--shadow-lg); }

/* 数据看板 · 柱状生长动画 */
.fd-chart .bar {
  transform: scaleY(0);
  transform-origin: bottom;
  animation: barGrow 1.1s var(--ease-out) forwards;
  animation-delay: calc(1.1s + var(--bi, 0) * .1s);
}
@keyframes barGrow {
  to { transform: scaleY(1); }
}

/* 信任条 · 跑马灯 */
.trust-bar { overflow: hidden; padding: 22px 0; border-top: 1px dashed var(--line); margin-top: 20px; position: relative; z-index: 1; }
.trust-bar .container {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: nowrap;
  overflow: hidden;
  position: relative;
}
.trust-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.trust-track {
  display: flex;
  gap: 10px;
  flex-wrap: nowrap;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.trust-track li {
  padding: 6px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--ink-2);
  font-weight: 500;
  white-space: nowrap;
  transition: border-color .3s ease, color .3s ease;
}
.trust-track li:hover { border-color: var(--brand-2); color: var(--brand-1); }
.trust-bar:hover .trust-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* 能力 tabs · 进入视口 stagger */
.cap.reveal { transition-delay: calc(var(--ci, 0) * 80ms); }

/* 服务卡 · 3D tilt */
.service-grid { perspective: 1500px; }
.svc-card {
  transition: transform .55s var(--ease-out), box-shadow .55s var(--ease-out), border-color .3s ease;
}
.svc-card.reveal { transition-delay: calc(var(--si, 0) * 55ms); }
.svc-icon { transition: transform .55s var(--ease-spring); }
.svc-card:hover .svc-icon { transform: scale(1.1) rotate(-4deg); }
.svc-card:hover { box-shadow: var(--shadow-md), 0 0 0 1px var(--brand-soft); }

/* 优势卡 · 数字跳动 + 入场 stagger */
.adv-card.reveal { transition-delay: calc(var(--ai, 0) * 90ms); }
.adv-num {
  display: inline-block;
  transform: translateZ(0);
  transition: transform .55s var(--ease-spring), letter-spacing .55s var(--ease-spring);
}
.adv-card:hover .adv-num {
  transform: scale(1.18) translateY(-4px);
  letter-spacing: -.03em;
}
.adv-card {
  position: relative;
  overflow: hidden;
}
.adv-card::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, transparent 40%, rgba(110, 86, 255, .3), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .4s var(--ease-out);
  pointer-events: none;
}
.adv-card:hover::before { opacity: 1; }

/* 痛点行 · 交替滑入 */
.pain-row {
  opacity: 0;
  transform: translateY(16px) translateX(-24px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out), box-shadow .25s ease;
}
.pain-row:nth-child(even) { transform: translateY(16px) translateX(24px); }
.pain-row.is-inview { opacity: 1; transform: translateY(0) translateX(0); }

/* 流程 · SVG 贯穿线 */
.process-steps { position: relative; }
.process-steps::before { display: none; }
.process-line {
  position: absolute;
  top: 40px;
  left: 8%; right: 8%;
  height: 2px;
  z-index: 0;
  pointer-events: none;
}
.process-line svg {
  width: 100%; height: 100%;
  display: block;
  overflow: visible;
}
.process-line path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  transition: stroke-dashoffset 2.2s var(--ease-out);
}
.process-line.is-inview path { stroke-dashoffset: 0; }

.process-steps li { transition: transform .25s ease, box-shadow .25s ease, opacity .6s var(--ease-out); }
.process-steps li.reveal { transition-delay: calc(var(--pi, 0) * 100ms); }

/* 流程步骤序号光圈 */
.step-num { position: relative; }
.process-steps li.is-inview .step-num::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--brand-2);
  opacity: 0;
  animation: stepPulse 2.6s var(--ease-out) infinite;
  animation-delay: calc(.5s + var(--pi, 0) * .2s);
  pointer-events: none;
}
@keyframes stepPulse {
  0% { transform: scale(.95); opacity: .7; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* About stats · 悬浮立体 */
.as-card {
  transform-style: preserve-3d;
  overflow: hidden;
}
.as-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(110, 86, 255, .06), transparent 60%);
  opacity: 0;
  transition: opacity .45s var(--ease-out);
  pointer-events: none;
  z-index: 0;
}
.as-card:hover::after { opacity: 1; }
.as-card b, .as-card span { position: relative; z-index: 1; }

/* 联系卡 · 输入交互 */
.contact-form input,
.contact-form textarea {
  transition: border-color .3s var(--ease-out), background .3s ease,
              box-shadow .3s var(--ease-out), transform .25s var(--ease-out);
}
.contact-form input:hover,
.contact-form textarea:hover { border-color: var(--brand-2); }
.contact-form input:focus,
.contact-form textarea:focus {
  transform: translateY(-1px);
}

/* 等宽数字 */
.stat-item strong, .as-card b { font-variant-numeric: tabular-nums; }

/* 标题加粗点（大屏更大更紧） */
@media (min-width: 1080px) {
  .hero-title { font-size: clamp(44px, 5.2vw, 68px); letter-spacing: -.025em; font-weight: 800; }
  .section-title { letter-spacing: -.02em; font-weight: 800; }
}

/* reveal 曲线升级 */
.reveal { transition: opacity .85s var(--ease-out), transform .85s var(--ease-out); }

/* 降低动效偏好支持 */
@media (prefers-reduced-motion: reduce) {
  .hero-mesh,
  .gradient-text,
  .trust-track,
  .process-steps li.is-inview .step-num::after,
  .btn-primary::before,
  .fd-chart .bar {
    animation: none !important;
  }
  .hero-title .word { opacity: 1; transform: none; animation: none; }
  .hero-desc, .hero-actions, .hero-stats, .eyebrow { opacity: 1; animation: none; }
  .float-card, .float-dash { opacity: 1; transform: none; animation: none; }
  .cursor-glow, .grain-overlay { display: none; }
  .pain-row { opacity: 1; transform: none; }
  .process-line path { stroke-dashoffset: 0; }
}