@charset "UTF-8";
/* ============================================================
   舟山海浪信息技术有限公司 官网设计系统 v2.0
   风格：简洁 · 大气 · 科技感（深海军蓝 + 蓝青渐变 + 玻璃拟态）
   响应式：PC / 平板 / 移动端
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  --c-primary: #2e6bff;
  --c-primary-deep: #1d4ed8;
  --c-cyan: #22d3ee;
  --c-violet: #8b5cf6;
  --c-dark: #050b1a;
  --c-dark-2: #081226;
  --c-dark-3: #0c1830;
  --c-text: #0f172a;
  --c-sub: #5b6b84;
  --c-sub-light: #94a6c4;
  --c-light: #f6f8fc;
  --c-white: #ffffff;
  --c-border: rgba(15, 23, 42, 0.08);
  --c-border-dark: rgba(148, 179, 227, 0.14);
  --grad-main: linear-gradient(135deg, #2e6bff 0%, #22d3ee 100%);
  --grad-ai: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --grad-dark: linear-gradient(180deg, #050b1a 0%, #0a1730 100%);
  --radius: 20px;
  --radius-sm: 12px;
  --container: 1200px;
  --header-h: 76px;
  --shadow-card: 0 12px 40px rgba(13, 32, 74, 0.08);
  --shadow-card-hover: 0 24px 60px rgba(13, 32, 74, 0.16);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

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

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; vertical-align: middle; border: 0; }
button { font-family: inherit; cursor: pointer; }

::selection { background: rgba(46, 107, 255, 0.2); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #eef2f8; }
::-webkit-scrollbar-thumb { background: #b8c6dd; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #8fa5c5; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 36px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 0;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn-primary {
  color: #fff;
  background: var(--grad-main);
  box-shadow: 0 10px 30px rgba(46, 107, 255, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(46, 107, 255, 0.45);
}

.btn-ai {
  color: #fff;
  background: var(--grad-ai);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.35);
}
.btn-ai:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(139, 92, 246, 0.5);
}

.btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
}

.btn-light {
  color: var(--c-primary);
  background: #fff;
  box-shadow: 0 10px 30px rgba(13, 32, 74, 0.18);
}
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(13, 32, 74, 0.25); }

.btn .arrow { transition: transform 0.3s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.4s, box-shadow 0.4s, height 0.4s;
  background: linear-gradient(180deg, rgba(5, 11, 26, 0.55), rgba(5, 11, 26, 0));
}
.site-header.scrolled {
  height: 66px;
  background: rgba(6, 13, 30, 0.88);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 1px 0 var(--c-border-dark), 0 12px 40px rgba(2, 6, 18, 0.4);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo {
  height: 42px;
  width: auto;
  filter: drop-shadow(0 2px 10px rgba(34, 211, 238, 0.25));
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { color: #fff; font-size: 19px; font-weight: 700; letter-spacing: 1px; }
.brand-en {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.site-nav ul { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  position: relative;
  display: block;
  padding: 10px 16px;
  font-size: 15.5px;
  font-weight: 500;
  color: rgba(226, 236, 252, 0.82);
  border-radius: 10px;
  transition: color 0.3s;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
  transform: translateX(-50%);
  transition: width 0.3s;
}
.site-nav a:hover { color: #fff; }
.site-nav a:hover::after, .site-nav a.active::after { width: 55%; }
.site-nav a.active { color: #fff; font-weight: 700; }
/* 抽屉电话按钮：桌面隐藏，仅移动端抽屉内显示 */
.site-nav .drawer-phone { display: none; }
.site-nav .drawer-phone::after { display: none; }

.header-actions { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  transition: all 0.3s;
}
.header-phone:hover { background: rgba(46, 107, 255, 0.3); border-color: transparent; }
.header-phone svg { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  backdrop-filter: blur(8px);
}
.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: radial-gradient(1200px 700px at 75% -10%, #123066 0%, transparent 55%),
              radial-gradient(900px 600px at -10% 110%, #0b2a4a 0%, transparent 55%),
              linear-gradient(180deg, #050b1a 0%, #071228 60%, #081531 100%);
  overflow: hidden;
  padding: calc(var(--header-h) + 60px) 0 0;
}

/* 科技网格背景 */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(90, 140, 220, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 140, 220, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 75%);
  pointer-events: none;
}

/* 光晕 */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
  animation: orbFloat 12s ease-in-out infinite;
}
.orb-1 { width: 480px; height: 480px; top: -140px; right: -100px; background: radial-gradient(circle, rgba(46, 107, 255, 0.5), transparent 70%); }
.orb-2 { width: 420px; height: 420px; bottom: 8%; left: -160px; background: radial-gradient(circle, rgba(34, 211, 238, 0.35), transparent 70%); animation-delay: -6s; }
.orb-3 { width: 300px; height: 300px; top: 30%; left: 38%; background: radial-gradient(circle, rgba(139, 92, 246, 0.28), transparent 70%); animation-delay: -3s; }

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -40px) scale(1.08); }
}

.hero-inner { position: relative; z-index: 2; text-align: center; padding: 40px 0 90px; }

.hero h1 {
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.22;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 26px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, #5ea0ff 0%, #22d3ee 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .sub {
  max-width: 680px;
  margin: 0 auto 44px;
  font-size: clamp(15px, 1.6vw, 18.5px);
  line-height: 1.9;
  color: var(--c-sub-light);
}
.hero-cta { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }

/* Hero 数据条 */
.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 32px 110px;
}
.hero-stat {
  text-align: center;
  padding: 26px 12px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 179, 227, 0.16);
  backdrop-filter: blur(10px);
  transition: all 0.35s;
}
.hero-stat:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(34, 211, 238, 0.4);
}
.hero-stat .num {
  font-size: clamp(30px, 3vw, 40px);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, #7db4ff, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat .label { margin-top: 6px; font-size: 14px; color: var(--c-sub-light); letter-spacing: 2px; }

/* Hero 底部波浪 */
.hero-waves { position: absolute; bottom: -2px; left: 0; width: 100%; z-index: 1; pointer-events: none; }
.hero-waves svg { display: block; width: 100%; height: 120px; }
.wave-path { animation: waveMove 14s linear infinite; }
.wave-path-2 { animation: waveMove 22s linear infinite reverse; opacity: 0.45; }
@keyframes waveMove { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 通用区块 ---------- */
.sec { padding: clamp(68px, 8vw, 112px) 0; position: relative; }
.sec-light { background: var(--c-light); }
.sec-dark {
  background:
    radial-gradient(900px 500px at 85% 0%, rgba(46, 107, 255, 0.14) 0%, transparent 55%),
    radial-gradient(700px 480px at 8% 100%, rgba(139, 92, 246, 0.12) 0%, transparent 55%),
    var(--c-dark);
  color: #fff;
}

.sec-head { text-align: center; max-width: 760px; margin: 0 auto clamp(40px, 5vw, 64px); }
.sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: 16px;
}
.sec-tag::before, .sec-tag::after {
  content: "";
  width: 26px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-cyan));
}
.sec-tag::after { background: linear-gradient(90deg, var(--c-cyan), transparent); }
.sec-dark .sec-tag { color: var(--c-cyan); }
.sec-head h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.35;
}
.sec-head .desc { margin-top: 16px; font-size: 16.5px; color: var(--c-sub); line-height: 1.9; }
.sec-dark .sec-head .desc { color: var(--c-sub-light); }

/* ---------- 产品与服务卡片 ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 40px 34px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, var(--grad-main));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(46, 107, 255, 0.25);
}
.product-card:hover::before { transform: scaleX(1); }

.product-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  border-radius: 18px;
  color: #fff;
  background: var(--card-accent, var(--grad-main));
  box-shadow: 0 12px 28px rgba(46, 107, 255, 0.3);
  margin-bottom: 24px;
}
.product-card h3 { font-size: 21px; font-weight: 700; margin-bottom: 6px; }
.product-card .en {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--c-sub-light);
  margin-bottom: 16px;
}
.product-card p { font-size: 14.5px; color: var(--c-sub); line-height: 1.85; flex-grow: 1; }

.product-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.product-tags span {
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--c-primary);
  background: rgba(46, 107, 255, 0.08);
  border: 1px solid rgba(46, 107, 255, 0.16);
}
.product-tags.violet span { color: #7c3aed; background: rgba(139, 92, 246, 0.08); border-color: rgba(139, 92, 246, 0.2); }
.product-tags.green span { color: #0e9f6e; background: rgba(16, 185, 129, 0.09); border-color: rgba(16, 185, 129, 0.2); }

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--c-primary);
}
.product-link svg { transition: transform 0.3s; }
.product-card:hover .product-link svg { transform: translateX(4px); }

/* ---------- AI 板块（首页） ---------- */
.ai-section { overflow: hidden; }

.ai-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }

.ai-card {
  position: relative;
  padding: 46px 42px;
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid rgba(148, 179, 227, 0.18);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
.ai-card::after {
  content: "";
  position: absolute;
  width: 280px; height: 280px;
  border-radius: 50%;
  top: -120px; right: -80px;
  filter: blur(70px);
  opacity: 0.4;
  pointer-events: none;
  transition: opacity 0.45s;
}
.ai-card.dev::after { background: radial-gradient(circle, rgba(46, 107, 255, 0.7), transparent 70%); }
.ai-card.mkt::after { background: radial-gradient(circle, rgba(168, 85, 247, 0.7), transparent 70%); }
.ai-card:hover {
  transform: translateY(-8px);
  border-color: rgba(34, 211, 238, 0.4);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.03) 100%);
}
.ai-card:hover::after { opacity: 0.7; }

.ai-card-top { display: flex; align-items: center; gap: 18px; margin-bottom: 14px; }
.ai-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px; height: 60px;
  border-radius: 16px;
  color: #fff;
  flex-shrink: 0;
}
.ai-card.dev .ai-icon { background: var(--grad-main); box-shadow: 0 10px 26px rgba(46, 107, 255, 0.4); }
.ai-card.mkt .ai-icon { background: var(--grad-ai); box-shadow: 0 10px 26px rgba(139, 92, 246, 0.4); }
.ai-card-top h3 { font-size: 25px; font-weight: 800; color: #fff; }
.ai-card-top .en {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--c-sub-light);
  margin-top: 3px;
}
.ai-card > p { color: var(--c-sub-light); font-size: 15px; line-height: 1.9; margin-bottom: 24px; }

.ai-feats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin-bottom: 30px; }
.ai-feats li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: #dbe7fb;
}
.ai-feats li::before {
  content: "";
  width: 18px; height: 18px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322d3ee' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center / 10px no-repeat;
}
.ai-card .btn { align-self: flex-start; padding: 13px 30px; font-size: 15px; }

/* AI 技术标签云 */
.ai-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 46px; }
.ai-chips span {
  padding: 10px 26px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 1px;
  color: #bcd3f5;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 179, 227, 0.2);
  transition: all 0.3s;
}
.ai-chips span:hover {
  color: #fff;
  border-color: rgba(34, 211, 238, 0.55);
  background: rgba(34, 211, 238, 0.1);
  transform: translateY(-3px);
}

/* ---------- 优势/能力卡片 ---------- */
.feature-card {
  height: 100%;
  padding: 34px 30px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(46, 107, 255, 0.22);
}
.feature-card .num {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 2px;
  color: rgba(46, 107, 255, 0.35);
  margin-bottom: 14px;
}
.feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; }
.feature-card p { font-size: 14.5px; color: var(--c-sub); line-height: 1.85; }

/* 深色卡片变体 */
.sec-dark .feature-card {
  background: rgba(255, 255, 255, 0.045);
  border-color: var(--c-border-dark);
  box-shadow: none;
}
.sec-dark .feature-card:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(34, 211, 238, 0.35); }
.sec-dark .feature-card h3 { color: #fff; }
.sec-dark .feature-card p { color: var(--c-sub-light); }
.sec-dark .feature-card .num { color: rgba(34, 211, 238, 0.5); }

/* ---------- 数据统计 ---------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 34px 16px; }
.stat-item .num {
  font-size: clamp(34px, 3.6vw, 46px);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-item .label { margin-top: 8px; font-size: 15px; color: var(--c-sub); letter-spacing: 1px; }
.sec-dark .stat-item .label { color: var(--c-sub-light); }

/* ---------- 流程步骤 ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step {
  position: relative;
  padding: 36px 28px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: all 0.4s;
  counter-increment: step;
}
.step::before {
  content: "0" counter(step);
  position: absolute;
  top: 22px; right: 26px;
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  color: rgba(46, 107, 255, 0.1);
  transition: color 0.4s;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.step:hover::before { color: rgba(46, 107, 255, 0.28); }
.step h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; padding-right: 40px; color: var(--c-text); }
.step p { font-size: 14px; color: var(--c-sub); line-height: 1.8; }
.step .step-bar {
  width: 34px; height: 4px;
  border-radius: 4px;
  background: var(--grad-main);
  margin-bottom: 18px;
}

/* ---------- 双栏价值面板 ---------- */
.value-panel {
  padding: 44px 40px;
  border-radius: var(--radius);
  color: #fff;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s;
}
.value-panel:hover { transform: translateY(-6px); }
.value-panel.blue { background: linear-gradient(140deg, #1d4ed8, #2e6bff 55%, #22d3ee); }
.value-panel.violet { background: linear-gradient(140deg, #6d28d9, #8b5cf6 55%, #c084fc); }
.value-panel::before {
  content: "";
  position: absolute;
  width: 240px; height: 240px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  top: -110px; right: -70px;
}
.value-panel::after {
  content: "";
  position: absolute;
  width: 160px; height: 160px;
  border-radius: 50%;
  border: 1.5px dashed rgba(255, 255, 255, 0.22);
  top: -60px; right: -20px;
}
.value-panel h3 { font-size: 23px; font-weight: 800; margin-bottom: 24px; position: relative; }
.value-panel li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.94);
  position: relative;
}
.value-panel li::before {
  content: "";
  width: 22px; height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center / 11px no-repeat;
  margin-top: 3px;
}

/* ---------- 关于区块（首页） ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
  aspect-ratio: 4 / 3;
}
.about-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(29, 78, 216, 0.28), rgba(34, 211, 238, 0.08));
  mix-blend-mode: multiply;
}
.about-visual .float-tag {
  position: absolute;
  z-index: 2;
  left: 22px; bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 14px;
  background: rgba(5, 11, 26, 0.72);
  border: 1px solid rgba(148, 179, 227, 0.3);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 14px;
}
.float-tag b { color: #22d3ee; }

.about-content .sec-tag { margin-bottom: 14px; }
.about-content h2 { font-size: clamp(25px, 3vw, 34px); font-weight: 800; line-height: 1.4; margin-bottom: 22px; }
.about-content h2 .grad {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.about-content > p { color: var(--c-sub); font-size: 15.5px; line-height: 2; margin-bottom: 30px; }

.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 34px; }
.about-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--c-border);
  font-size: 14.5px;
  font-weight: 600;
  transition: all 0.3s;
}
.about-points li:hover { border-color: rgba(46, 107, 255, 0.3); box-shadow: var(--shadow-card); transform: translateY(-3px); }
.about-points .pt-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  flex-shrink: 0;
  background: rgba(46, 107, 255, 0.09);
  color: var(--c-primary);
}

/* ---------- 行业 chips ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.industry-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 22px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: all 0.35s;
}
.industry-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: rgba(46, 107, 255, 0.22); }
.industry-item .if-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(46, 107, 255, 0.08);
  color: var(--c-primary);
  flex-shrink: 0;
}
.industry-item h4 { font-size: 16px; font-weight: 700; }
.industry-item p { font-size: 13px; color: var(--c-sub); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative;
  text-align: center;
  padding: clamp(70px, 8vw, 100px) 0;
  background:
    radial-gradient(800px 400px at 80% -20%, rgba(34, 211, 238, 0.22), transparent 60%),
    radial-gradient(700px 420px at 12% 120%, rgba(139, 92, 246, 0.2), transparent 60%),
    linear-gradient(140deg, #0a1631 0%, #0d1f47 100%);
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(90, 140, 220, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 140, 220, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 90% at 50% 50%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 50% 50%, #000 20%, transparent 75%);
}
.cta-band h2 {
  position: relative;
  font-size: clamp(25px, 3.4vw, 38px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.cta-band p { position: relative; color: var(--c-sub-light); font-size: 16.5px; margin-bottom: 36px; }
.cta-band .btn { position: relative; }

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(70px, 9vw, 120px)) 0 clamp(60px, 7vw, 96px);
  background:
    radial-gradient(900px 480px at 82% -10%, rgba(46, 107, 255, 0.32), transparent 60%),
    radial-gradient(700px 420px at 5% 110%, rgba(34, 211, 238, 0.16), transparent 60%),
    linear-gradient(180deg, #050b1a, #081531);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(90, 140, 220, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 140, 220, 0.07) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 85% 90% at 50% 20%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 85% 90% at 50% 20%, #000 25%, transparent 78%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
  font-size: clamp(30px, 4.4vw, 48px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  line-height: 1.3;
  margin-bottom: 18px;
}
.page-hero .ph-sub { font-size: clamp(15px, 1.8vw, 19px); color: #bcd3f5; margin-bottom: 26px; }
.page-hero .ph-tags { display: flex; flex-wrap: wrap; gap: 12px; }
.page-hero .ph-tags span {
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  color: #c9e3ff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(148, 179, 227, 0.28);
  backdrop-filter: blur(6px);
}
.breadcrumb {
  padding: 16px 0;
  background: rgba(246, 248, 252, 0.9);
  border-bottom: 1px solid var(--c-border);
  font-size: 14px;
  color: var(--c-sub);
}
.breadcrumb a { color: var(--c-sub); transition: color 0.3s; }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb .cur { color: var(--c-text); font-weight: 600; }

/* ---------- 案例卡片 ---------- */
.case-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 36px 34px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: all 0.4s;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); border-color: rgba(46, 107, 255, 0.22); }
.case-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.case-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  border-radius: 14px;
  flex-shrink: 0;
  color: #fff;
  background: var(--grad-main);
  font-size: 20px;
  font-weight: 800;
}
.case-head h3 { font-size: 18.5px; font-weight: 700; line-height: 1.4; }
.case-head .industry { font-size: 13px; color: var(--c-sub); }
.case-card > p { font-size: 14.5px; color: var(--c-sub); line-height: 1.85; }
.case-effect {
  margin-top: 20px;
  padding: 18px 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(46, 107, 255, 0.05), rgba(34, 211, 238, 0.05));
  border: 1px solid rgba(46, 107, 255, 0.12);
  flex-grow: 1;
}
.case-effect h4 { font-size: 14px; font-weight: 700; color: var(--c-primary); margin-bottom: 10px; }
.case-effect li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--c-sub);
  padding: 5px 0;
}
.case-effect b { color: var(--c-primary-deep); font-variant-numeric: tabular-nums; }
.case-foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--c-border);
  font-size: 13.5px;
  color: var(--c-sub);
}
.case-foot a { color: var(--c-primary); font-weight: 600; }

/* ---------- 时间线（发展历程） ---------- */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tl-item {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
  transition: all 0.4s;
}
.tl-item::before {
  content: "";
  position: absolute;
  top: 0; left: 26px;
  width: 44px; height: 3px;
  border-radius: 3px;
  background: var(--grad-main);
}
.tl-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.tl-item .year {
  font-size: 30px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}
.tl-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.tl-item p { font-size: 13.5px; color: var(--c-sub); }

/* ---------- 联系表单 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 30px; align-items: stretch; }
.contact-info-card {
  display: flex;
  flex-direction: column;
  padding: 40px 36px;
  border-radius: var(--radius);
  background: var(--grad-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.contact-info-card::before {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  top: -130px; right: -100px;
  background: radial-gradient(circle, rgba(46, 107, 255, 0.4), transparent 70%);
  filter: blur(50px);
}
.contact-info-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; position: relative; }
.contact-info-card > p { color: var(--c-sub-light); font-size: 14.5px; margin-bottom: 30px; position: relative; }
.ci-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(148, 179, 227, 0.14);
  flex: 1;
}
.ci-item:last-child { border-bottom: 0; }
.ci-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  flex-shrink: 0;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: var(--c-cyan);
}
.ci-item .k { font-size: 13px; color: var(--c-sub-light); }
.ci-item .v { font-size: 15.5px; font-weight: 600; margin-top: 2px; }
.ci-item a.v:hover { color: var(--c-cyan); }

.contact-form-card {
  padding: 40px 36px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
}
.contact-form-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; color: var(--c-text); margin-bottom: 8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: 12px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--c-text);
  background: #f9fbfe;
  outline: none;
  transition: all 0.3s;
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(46, 107, 255, 0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #9aa9c0; }
.contact-form-card .btn { width: 100%; margin-top: 6px; }
.form-note { margin-top: 14px; text-align: center; font-size: 12.5px; color: var(--c-sub); }
.form-status { display: none; margin-top: 14px; padding: 10px 14px; border-radius: 10px; text-align: center; font-size: 13px; line-height: 1.5; }
.form-status.show { display: block; }
.form-status.ok { color: #16a34a; background: rgba(34, 197, 94, 0.1); }
.form-status.err { color: #dc2626; background: rgba(239, 68, 68, 0.08); }

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  background: var(--c-dark);
  color: var(--c-sub-light);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 300px at 15% 0%, rgba(46, 107, 255, 0.12), transparent 60%),
    radial-gradient(600px 300px at 90% 10%, rgba(34, 211, 238, 0.08), transparent 60%);
  pointer-events: none;
}
.footer-main {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding: clamp(52px, 6vw, 76px) 0 44px;
}
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.9; max-width: 300px; }
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 28px; height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
}
.footer-col li { margin-bottom: 11px; }
.footer-col a {
  font-size: 14px;
  color: var(--c-sub-light);
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col a:hover { color: var(--c-cyan); transform: translateX(4px); }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  margin-bottom: 16px;
  color: var(--c-sub-light);
}
.footer-contact svg { flex-shrink: 0; margin-top: 3px; color: var(--c-cyan); }
.footer-contact a:hover { color: var(--c-cyan); }
.footer-qr { margin-top: 8px; width: fit-content; }
.footer-qr img {
  display: block;
  width: 110px; height: 110px;
  border-radius: 12px;
  border: 1px solid var(--c-border-dark);
  background: #fff;
  padding: 6px;
}
.footer-qr .qr-txt { margin-top: 8px; font-size: 12.5px; color: var(--c-sub-light); text-align: center; }

.footer-bottom {
  position: relative;
  padding: 22px 0;
  border-top: 1px solid rgba(148, 179, 227, 0.14);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #64789a;
}
.footer-bottom a { color: #64789a; transition: color 0.3s; }
.footer-bottom a:hover { color: var(--c-cyan); }

/* ---------- 侧边悬浮 ---------- */
.side-tools {
  position: fixed;
  right: 22px;
  bottom: 90px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.side-tools a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--c-border);
  box-shadow: 0 10px 30px rgba(13, 32, 74, 0.14);
  color: var(--c-primary);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}
.side-tools a:hover { transform: translateY(-4px); background: var(--grad-main); color: #fff; border-color: transparent; }
.side-tools .tool-tip {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: 10px;
  background: var(--c-dark-2);
  color: #fff;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s;
}
.side-tools a { position: relative; }
.side-tools a:hover .tool-tip { opacity: 1; right: 62px; }
.side-qr-popup {
  position: absolute;
  right: 62px;
  top: 50%;
  transform: translateY(-50%) scale(0.9);
  width: 130px;
  padding: 12px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--c-border);
  box-shadow: 0 16px 44px rgba(13, 32, 74, 0.2);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s;
}
.side-tools a:hover .side-qr-popup { opacity: 1; transform: translateY(-50%) scale(1); }
.side-qr-popup img { width: 100%; border-radius: 8px; }
.side-qr-popup span { display: block; margin-top: 6px; font-size: 12px; color: var(--c-sub); }
.side-tools a:hover { color: #fff; }
.side-tools a:hover .side-qr-popup { color: initial; }

/* ---------- 滚动显现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.6, 0.2, 1);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .orb, .wave-path, .wave-path-2 { animation: none; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .nav-toggle { display: flex; }

  /* 移动端抽屉导航 */
  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 99;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 100px 40px 40px;
    background: linear-gradient(180deg, rgba(5, 11, 26, 0.98), rgba(9, 20, 44, 0.99));
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transform: translateX(100%);
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  }
  body.nav-open .site-nav { transform: translateX(0); }
  .site-nav ul { flex-direction: column; gap: 4px; }
  .site-nav ul a {
    font-size: 21px;
    padding: 14px 4px;
    border-bottom: 1px solid rgba(148, 179, 227, 0.12);
    border-radius: 0;
  }
  .site-nav ul a::after { display: none; }
  .site-nav .drawer-phone {
    display: inline-flex;
    margin-top: 32px;
    align-self: flex-start;
    padding: 14px 34px;
    border-radius: 999px;
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    background: var(--grad-main);
  }

  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ai-cards { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .process, .timeline, .stats-band { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
  .header-phone { display: none; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .brand-text { display: none; }
  .brand-logo { height: 36px; }

  .hero { min-height: auto; padding-top: calc(var(--header-h) + 40px); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; padding-bottom: 70px; }
  .hero-stat { padding: 20px 8px; }
  .hero-waves svg { height: 64px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .process, .timeline, .stats-band { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .ai-feats { grid-template-columns: 1fr; }
  .about-points { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding-top: 46px; }
  .footer-bottom { justify-content: center; text-align: center; }

  .ai-card { padding: 34px 26px; }
  .value-panel { padding: 34px 26px; }
  .product-card { padding: 32px 24px; }
  .case-card { padding: 28px 22px; }
  .contact-info-card, .contact-form-card { padding: 30px 22px; }

  .btn { padding: 13px 28px; font-size: 15px; }
  .side-tools { right: 14px; bottom: 70px; }
  .side-tools a { width: 42px; height: 42px; }
}