/* ==========================================================================
   杭州汉啸网络科技有限公司 官网样式表
   Theme: 游戏化潮流风 · 深色霓虹渐变 · 玻璃拟态
   Author: 寇豆码
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 设计令牌（全站 CSS 变量收敛）
   -------------------------------------------------------------------------- */
:root {
  /* 底色分层 */
  --bg-0: #05070f;
  --bg-1: #0b1020;
  --bg-2: #121a33;

  /* 描边 */
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  /* 霓虹主色 */
  --cyan: #22d3ee;
  --blue: #4f7cff;
  --violet: #a855f7;
  --pink: #f472b6;

  /* 主渐变 */
  --grad-main: linear-gradient(120deg, #22d3ee 0%, #4f7cff 45%, #a855f7 78%, #f472b6 100%);
  --grad-soft: linear-gradient(120deg, rgba(34, 211, 238, 0.9), rgba(79, 124, 255, 0.9) 45%, rgba(168, 85, 247, 0.9) 78%, rgba(244, 114, 182, 0.9));

  /* 文字 */
  --ink-0: #eaf0ff;
  --ink-1: #a9b6d6;
  --ink-2: #7b88a8;   /* 仅用于装饰性文字 */

  /* 发光 */
  --glow-cyan: 0 0 40px rgba(34, 211, 238, 0.35);
  --glow-violet: 0 0 60px rgba(168, 85, 247, 0.28);
  --glow-soft: 0 0 24px rgba(79, 124, 255, 0.25);

  /* 圆角 */
  --r-lg: 24px;
  --r-md: 16px;
  --r-pill: 999px;

  /* 布局 */
  --maxw: 1180px;
  --header-h: 74px;

  /* 动效 */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 0.3s;

  /* 字体栈 */
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

/* --------------------------------------------------------------------------
   2. 基础重置
   -------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink-1);
  background-color: var(--bg-0);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-0);
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

a:hover {
  color: #7fe7f7;
}

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

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

::selection {
  background: rgba(79, 124, 255, 0.35);
  color: #fff;
}

/* 键盘焦点霓虹描边 */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

/* --------------------------------------------------------------------------
   3. 环境光 / 背景
   -------------------------------------------------------------------------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(760px 520px at 12% -6%, rgba(34, 211, 238, 0.20), transparent 62%),
    radial-gradient(820px 560px at 92% 4%, rgba(168, 85, 247, 0.20), transparent 62%),
    radial-gradient(900px 620px at 50% 112%, rgba(79, 124, 255, 0.16), transparent 66%),
    var(--bg-0);
  pointer-events: none;
}

/* 极低透明度网格 / 点阵纹理 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 26px 26px, 78px 78px, 78px 78px;
  mask-image: radial-gradient(circle at 50% 22%, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 92%);
  -webkit-mask-image: radial-gradient(circle at 50% 22%, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 92%);
  pointer-events: none;
}

/* 漂浮 aurora 光斑 */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.aurora span {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  will-change: transform;
}

.aurora span:nth-child(1) {
  width: 420px;
  height: 420px;
  top: -80px;
  left: -60px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.55), transparent 70%);
  animation: drift-a 26s var(--ease) infinite alternate;
}

.aurora span:nth-child(2) {
  width: 480px;
  height: 480px;
  top: 30%;
  right: -120px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.5), transparent 70%);
  animation: drift-b 30s var(--ease) infinite alternate;
}

.aurora span:nth-child(3) {
  width: 380px;
  height: 380px;
  bottom: -120px;
  left: 34%;
  background: radial-gradient(circle, rgba(79, 124, 255, 0.45), transparent 70%);
  animation: drift-c 28s var(--ease) infinite alternate;
}

@keyframes drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(80px, 60px, 0) scale(1.15); }
}
@keyframes drift-b {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-70px, 50px, 0) scale(1.1); }
}
@keyframes drift-c {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(60px, -50px, 0) scale(1.12); }
}

/* --------------------------------------------------------------------------
   4. 布局工具
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 92px 0;
  position: relative;
}

.section--alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.016), rgba(255, 255, 255, 0));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section--tight {
  padding: 64px 0;
}

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

/* 区块标题体系 */
.section-head {
  max-width: 760px;
  margin: 0 auto 58px;
  text-align: center;
}

.pill-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: var(--r-pill);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-0);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 18px;
  position: relative;
}

.pill-label::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad-main);
  box-shadow: var(--glow-cyan);
}

.section-head h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  margin-bottom: 16px;
  color: #fff;
}

.section-head p {
  color: var(--ink-1);
  font-size: 16.5px;
  margin: 0;
}

/* --------------------------------------------------------------------------
   5. 按钮
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 28px;
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
  white-space: nowrap;
  position: relative;
}

.btn--primary {
  background: var(--grad-main);
  color: #05070f;
  box-shadow: 0 8px 28px rgba(79, 124, 255, 0.32);
}

.btn--primary:hover {
  color: #05070f;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(34, 211, 238, 0.5), 0 0 60px rgba(168, 85, 247, 0.35);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink-0);
  border-color: var(--line-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  color: #fff;
  border-color: var(--cyan);
  box-shadow: 0 0 26px rgba(34, 211, 238, 0.35);
  transform: translateY(-2px);
}

.btn--accent {
  background: var(--grad-main);
  color: #05070f;
  box-shadow: 0 10px 34px rgba(168, 85, 247, 0.35);
}

.btn--accent:hover {
  color: #05070f;
  transform: translateY(-2px);
  box-shadow: 0 14px 46px rgba(34, 211, 238, 0.5), 0 0 60px rgba(244, 114, 182, 0.3);
}

/* --------------------------------------------------------------------------
   6. 顶部导航
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 7, 15, 0.72);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-0);
  font-weight: 800;
}

.brand:hover {
  color: #fff;
}

.brand__mark {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  filter: drop-shadow(0 0 12px rgba(34, 211, 238, 0.5));
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-size: 17px;
  letter-spacing: 0.02em;
  color: #fff;
}

.brand__sub {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ink-2);
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  display: inline-block;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-1);
  transition: all var(--dur) var(--ease);
  border: 1px solid transparent;
}

.nav__link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav__link.is-active {
  color: #fff;
  background: rgba(79, 124, 255, 0.14);
  border-color: rgba(79, 124, 255, 0.4);
  box-shadow: inset 0 0 18px rgba(79, 124, 255, 0.18);
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink-0);
  border-radius: 2px;
  content: "";
  position: relative;
}

.nav__toggle span::before {
  position: absolute;
  top: -6px;
}

.nav__toggle span::after {
  position: absolute;
  top: 6px;
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: 96px 0 88px;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.32);
  color: #b7f2fb;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 24px;
}

.hero__badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.hero h1 {
  font-size: clamp(32px, 5vw, 58px);
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 22px;
  color: #fff;
}

.grad-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero__lead {
  font-size: 17.5px;
  color: var(--ink-1);
  max-width: 560px;
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Hero 右侧抽象游戏视觉 */
.hero__visual {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1 / 1;
}

/* 倾斜堆叠手机 + 关卡方块 */
.phone {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 232px;
  height: 340px;
  transform: translate(-50%, -50%) rotate(-8deg);
  border-radius: 30px;
  background: linear-gradient(160deg, rgba(18, 26, 51, 0.95), rgba(11, 16, 32, 0.95));
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.phone::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 6px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.16);
}

.phone__screen {
  position: absolute;
  inset: 26px 14px 16px;
  border-radius: 18px;
  background: linear-gradient(160deg, #0a1430, #101a3a);
  border: 1px solid var(--line);
  overflow: hidden;
}

/* 屏幕内的游戏化方块网格 */
.phone__grid {
  position: absolute;
  inset: 14px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 1fr;
  gap: 6px;
}

.phone__cell {
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.phone__cell.on {
  background: var(--grad-main);
  border-color: transparent;
  box-shadow: 0 0 14px rgba(79, 124, 255, 0.5);
  animation: cell-pulse 3.4s var(--ease) infinite;
}

.phone__cell.v {
  background: linear-gradient(120deg, rgba(168, 85, 247, 0.9), rgba(244, 114, 182, 0.9));
  border-color: transparent;
  box-shadow: 0 0 14px rgba(168, 85, 247, 0.5);
}

.phone__cell:nth-child(3n).on { animation-delay: 0.4s; }
.phone__cell:nth-child(4n).on { animation-delay: 0.9s; }

@keyframes cell-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* 悬浮关卡方块 / 卡牌 */
.float-card {
  position: absolute;
  border-radius: var(--r-md);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 18px 44px rgba(0, 0, 0, 0.5);
  padding: 12px 14px;
  animation: float-y 6s ease-in-out infinite;
}

.float-card--a {
  top: 8%;
  right: 2%;
  animation-delay: 0.2s;
}

.float-card--b {
  bottom: 10%;
  left: 0;
  animation-delay: 1.4s;
}

.float-card .fc-label {
  font-size: 11px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.float-card .fc-value {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.float-card .fc-value.grad {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@keyframes float-y {
  0%, 100% { transform: translateY(-8px); }
  50% { transform: translateY(8px); }
}

/* 漂浮发光小图标（几何抽象） */
.orb {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  filter: drop-shadow(0 0 10px rgba(34, 211, 238, 0.6));
  animation: float-y 7s ease-in-out infinite;
}

.orb--1 { top: 4%; left: 8%; color: var(--cyan); }
.orb--2 { top: 46%; left: -2%; color: var(--violet); filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.6)); animation-delay: 0.8s; }
.orb--3 { bottom: 6%; right: 6%; color: var(--pink); filter: drop-shadow(0 0 10px rgba(244, 114, 182, 0.6)); animation-delay: 1.6s; }
.orb--4 { top: 20%; right: -4%; color: var(--blue); filter: drop-shadow(0 0 10px rgba(79, 124, 255, 0.6)); animation-delay: 2.2s; }

/* --------------------------------------------------------------------------
   8. 数据条
   -------------------------------------------------------------------------- */
.strip {
  position: relative;
  padding: 40px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  text-align: center;
}

.strip__item {
  position: relative;
}

.strip__item strong {
  display: block;
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.strip__item span {
  font-size: 13.5px;
  color: var(--ink-1);
}

/* --------------------------------------------------------------------------
   9. 玻璃拟态卡片
   -------------------------------------------------------------------------- */
.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); }

.card {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 30px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.55);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 20px 50px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(34, 211, 238, 0.28);
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: var(--cyan);
  margin-bottom: 20px;
}

.card--accent .card__icon {
  background: rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 85, 247, 0.32);
  color: var(--violet);
}

.card h3 {
  font-size: 19px;
  margin-bottom: 12px;
  color: #fff;
}

.card p {
  color: var(--ink-1);
  font-size: 15px;
  margin-bottom: 0;
}

.card__list {
  margin-top: 16px;
}

.card__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  color: var(--ink-1);
  margin-bottom: 8px;
}

.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--grad-main);
}

/* 大业务卡片 */
.feature-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 36px;
}

.feature-card .tag {
  align-self: flex-start;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.32);
  color: #b7f2fb;
}

.feature-card.feature-card--accent .tag {
  background: rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 85, 247, 0.34);
  color: #e3c8ff;
}

.feature-card h3 {
  font-size: 23px;
  margin: 0;
  color: #fff;
}

/* --------------------------------------------------------------------------
   10. 作品展示（游戏方向示意）
   -------------------------------------------------------------------------- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.work-card {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(168, 85, 247, 0.55);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 22px 54px rgba(0, 0, 0, 0.5),
    0 0 44px rgba(168, 85, 247, 0.3);
}

.work-card__art {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(160deg, #0e1630, #0a0f22);
  border-bottom: 1px solid var(--line);
}

.work-card__art svg {
  width: 100%;
  height: 100%;
  transition: transform 0.45s var(--ease);
}

.work-card:hover .work-card__art svg {
  transform: scale(1.04);
}

.work-card__flag {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  color: var(--ink-0);
  background: rgba(5, 7, 15, 0.62);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.work-card__body {
  padding: 20px 22px 24px;
}

.work-card__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #b7f2fb;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: var(--r-pill);
  padding: 4px 12px;
  margin-bottom: 12px;
}

.work-card__body h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: #fff;
}

.work-card__body p {
  font-size: 14px;
  color: var(--ink-1);
  margin: 0;
}

.works-note {
  margin-top: 26px;
  text-align: center;
  font-size: 13.5px;
  color: var(--ink-1);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.02);
}

.works-note strong {
  color: var(--ink-0);
}

/* --------------------------------------------------------------------------
   11. 内页头部
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding: 66px 0 54px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -160px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.35), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.breadcrumb {
  font-size: 13.5px;
  color: var(--ink-2);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--ink-1);
}

.breadcrumb a:hover {
  color: var(--cyan);
}

.breadcrumb .sep {
  margin: 0 8px;
}

.page-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 14px;
  color: #fff;
}

.page-hero p {
  color: var(--ink-1);
  max-width: 700px;
  margin: 0;
  font-size: 16.5px;
}

/* --------------------------------------------------------------------------
   12. 文本块 / 列表 / 步骤
   -------------------------------------------------------------------------- */
.prose h2 {
  color: #fff;
  font-size: clamp(24px, 3.2vw, 34px);
}

.prose h3 {
  font-size: 20px;
  margin-top: 32px;
  color: #fff;
}

.prose h3:first-child {
  margin-top: 0;
}

.prose p {
  color: var(--ink-1);
  font-size: 15.5px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.value-list {
  display: grid;
  gap: 14px;
  margin-top: 8px;
}

.value-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.value-list li:hover {
  border-color: rgba(34, 211, 238, 0.45);
  transform: translateX(4px);
}

.value-list .check {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  color: var(--cyan);
  margin-top: 2px;
}

.value-list strong {
  display: block;
  color: var(--ink-0);
  font-size: 15px;
}

.value-list span span {
  font-size: 14px;
  color: var(--ink-1);
}

/* 步骤 + 发光连线 */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}

.step {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 30px 24px 26px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.step:hover {
  transform: translateY(-6px);
  border-color: rgba(79, 124, 255, 0.5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 18px 44px rgba(0, 0, 0, 0.5),
    0 0 36px rgba(79, 124, 255, 0.3);
}

/* 序号徽章 */
.step__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 800;
  color: #05070f;
  background: var(--grad-main);
  box-shadow: 0 0 22px rgba(79, 124, 255, 0.45);
  margin-bottom: 16px;
}

/* 步骤之间的发光连线 + 节点 */
.step::after {
  content: "";
  position: absolute;
  top: 50px;
  right: -22px;
  width: 22px;
  height: 2px;
  background: var(--grad-main);
  box-shadow: 0 0 10px rgba(79, 124, 255, 0.7);
  opacity: 0.7;
}

.step:last-child::after {
  display: none;
}

.step h4 {
  font-size: 16.5px;
  margin-bottom: 8px;
  color: #fff;
}

.step p {
  font-size: 14px;
  color: var(--ink-1);
  margin: 0;
}

/* --------------------------------------------------------------------------
   14. CTA
   -------------------------------------------------------------------------- */
.cta {
  position: relative;
  border-radius: var(--r-lg);
  padding: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  background:
    radial-gradient(520px 240px at 12% 0%, rgba(34, 211, 238, 0.28), transparent 62%),
    radial-gradient(520px 260px at 92% 110%, rgba(168, 85, 247, 0.3), transparent 62%),
    linear-gradient(120deg, rgba(18, 26, 51, 0.9), rgba(11, 16, 32, 0.9));
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 24px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.cta h3 {
  color: #fff;
  font-size: 27px;
  margin-bottom: 10px;
}

.cta p {
  margin: 0;
  color: var(--ink-1);
  max-width: 560px;
}

/* --------------------------------------------------------------------------
   15. 联系方式
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-item {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  margin-bottom: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.contact-item:hover {
  border-color: rgba(34, 211, 238, 0.45);
  transform: translateX(4px);
}

.contact-item .ico {
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item h4 {
  font-size: 15px;
  margin: 0 0 6px;
  color: #fff;
}

.contact-item p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-1);
}

/* 深色表单 */
.form-field { margin-bottom: 16px; }

.form-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-0);
  margin-bottom: 6px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink-0);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--ink-2);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18), var(--glow-cyan);
}

.form-field input.is-invalid,
.form-field textarea.is-invalid {
  border-color: #ff6b8a;
  box-shadow: 0 0 0 3px rgba(255, 107, 138, 0.18);
}

.form-feedback {
  font-size: 14px;
  margin-top: 12px;
  min-height: 20px;
}

.form-feedback.is-success { color: #5ee6a8; }
.form-feedback.is-error { color: #ff8ea6; }

/* 蜜罐字段：视觉隐藏但保留在 DOM 中（刻意不用 display:none，避免被部分爬虫识别） */
.hp-field {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* 提交中 / 禁用态按钮 */
.btn[disabled],
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   16. 页脚
   -------------------------------------------------------------------------- */
.site-footer {
  background: #04060d;
  color: var(--ink-1);
  padding: 62px 0 28px;
  border-top: 1px solid var(--line);
  position: relative;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer__brand .brand__mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
}

.footer__brand-name {
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  line-height: 1.3;
}

.footer__brand-sub {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  text-transform: uppercase;
}

.footer__desc {
  font-size: 14px;
  color: var(--ink-1);
  max-width: 320px;
  margin: 0;
}

.footer h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: var(--ink-1);
  font-size: 14px;
}

.footer__links a:hover {
  color: var(--cyan);
}

.footer__info {
  font-size: 14px;
  color: var(--ink-1);
}

.footer__info li {
  margin-bottom: 12px;
}

.footer__info strong {
  color: var(--ink-0);
  font-weight: 700;
}

.footer__info a {
  color: var(--ink-0);
}

.footer__info a:hover {
  color: var(--cyan);
}

.footer__bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--ink-1);
}

/* 备案号：高对比胶囊样式，深色底上清晰可读 */
.footer__beian {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.beian-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  font-size: 13.5px;
  font-weight: 700;
  color: #05070f;
  background: linear-gradient(120deg, #eaf0ff, #c7d6ff);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 24px rgba(79, 124, 255, 0.35);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.beian-link:hover {
  color: #05070f;
  transform: translateY(-1px);
  box-shadow: 0 0 34px rgba(34, 211, 238, 0.55);
}

.beian-link svg {
  width: 15px;
  height: 15px;
}

.beian-police {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  font-size: 13.5px;
  color: var(--ink-0);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-strong);
}

/* --------------------------------------------------------------------------
   17. 动画（进入视口渐显）
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------------
   18. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero__visual {
    min-height: 400px;
  }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps .step:nth-child(2)::after { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(7, 10, 20, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.6);
    padding: 14px 18px 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }
  .nav__links.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .nav__link { padding: 14px 16px; border-radius: 12px; }
  .grid--3,
  .grid--2 { grid-template-columns: 1fr; }
  .split,
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .strip__grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .section { padding: 66px 0; }
  .cta {
    padding: 38px 28px;
    flex-direction: column;
    align-items: flex-start;
  }
  .step::after { display: none; }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .grid--4,
  .works-grid,
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 56px; }
  .hero__actions .btn { flex: 1 1 100%; justify-content: center; }
  .stage { max-width: 340px; }
  .phone { width: 190px; height: 280px; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* --------------------------------------------------------------------------
   18. 无障碍：减少动态效果
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}