/* ==========================================================================
   设计系统 · Design Tokens
   ========================================================================== */
:root {
  /* 品牌色 */
  --brand-50:  #EEF4FF;
  --brand-100: #DCE7FF;
  --brand-200: #B9CFFF;
  --brand-300: #8FB0FF;
  --brand-400: #5D8BFF;
  --brand-500: #2F66FF;
  --brand-600: #1450F0;
  --brand-700: #0B3AC4;
  --brand-800: #0A2E96;
  --brand-900: #0A2470;

  /* 强调色（行动点） */
  --accent-500: #FF6A2C;
  --accent-600: #F0520F;

  /* 中性色 */
  --ink-900: #0B1220;
  --ink-800: #1A2333;
  --ink-700: #2C3A4F;
  --ink-600: #475569;
  --ink-500: #64748B;
  --ink-400: #94A3B8;
  --ink-300: #CBD5E1;
  --ink-200: #E2E8F0;
  --ink-100: #EEF2F7;
  --ink-50:  #F6F8FC;
  --white:   #FFFFFF;

  /* 渐变 */
  --grad-brand: linear-gradient(135deg, #2F66FF 0%, #1450F0 45%, #6A3BFF 100%);
  --grad-soft:  linear-gradient(180deg, #F6F9FF 0%, #FFFFFF 100%);
  --grad-dark:  linear-gradient(135deg, #0B1220 0%, #142238 60%, #0A2470 100%);

  /* 阴影 */
  --shadow-xs: 0 1px 2px rgba(11, 18, 32, .05);
  --shadow-sm: 0 2px 8px rgba(11, 18, 32, .06);
  --shadow-md: 0 8px 24px rgba(11, 18, 32, .08);
  --shadow-lg: 0 18px 48px rgba(11, 18, 32, .12);
  --shadow-brand: 0 12px 32px rgba(20, 80, 240, .24);

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-full: 999px;

  /* 尺寸 */
  --container: 1200px;
  --nav-h: 72px;

  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
               -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5 {
  color: var(--ink-900);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(32px, 4.6vw, 58px); }
h2 { font-size: clamp(26px, 3.2vw, 40px); }
h3 { font-size: clamp(19px, 1.6vw, 23px); }
h4 { font-size: 17px; }

::selection { background: var(--brand-200); color: var(--brand-900); }

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}
.container--narrow { max-width: 880px; }

.section { padding-block: clamp(64px, 8vw, 112px); }
.section--tint { background: var(--ink-50); }
.section--grad { background: var(--grad-soft); }
.section--dark { background: var(--grad-dark); color: var(--ink-100); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--white); }

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled {
  border-bottom-color: var(--ink-200);
  box-shadow: var(--shadow-xs);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo__mark {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--white);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -.5px;
  box-shadow: 0 4px 12px rgba(20, 80, 240, .12);
  overflow: hidden;
  flex-shrink: 0;
}
.logo__mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__name { font-size: 17px; font-weight: 700; color: var(--ink-900); letter-spacing: .2px; }
.logo__slogan { font-size: 11px; color: var(--ink-400); letter-spacing: 1.4px; }

.nav__links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-600);
  border-radius: var(--r-sm);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__link:hover { color: var(--brand-600); background: var(--brand-50); }
.nav__link.is-active { color: var(--brand-600); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 2px;
  height: 2px; border-radius: 2px;
  background: var(--brand-600);
}
.nav__actions { display: flex; align-items: center; gap: 10px; }

/* 导航抽屉内的 CTA：桌面端隐藏（由 nav__actions 承担），仅移动端汉堡菜单显示 */
.nav__links .nav__cta { display: none; }

.nav__toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--ink-200);
  border-radius: var(--r-sm);
  background: var(--white);
  cursor: pointer;
  place-items: center;
  margin-left: auto;
}
.nav__toggle span {
  display: block; width: 18px; height: 1.6px;
  background: var(--ink-800); border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav__toggle span + span { margin-top: 4.5px; }
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding-inline: 24px;
  border: 1px solid transparent;
  border-radius: var(--r-full);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease),
              background .25s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--brand-600); color: #fff; box-shadow: var(--shadow-brand); }
.btn--primary:hover { background: var(--brand-700); box-shadow: 0 16px 40px rgba(20, 80, 240, .34); }

.btn--accent { background: var(--accent-500); color: #fff; box-shadow: 0 10px 26px rgba(255, 106, 44, .32); }
.btn--accent:hover { background: var(--accent-600); }

.btn--ghost { background: var(--white); color: var(--brand-600); border-color: var(--brand-200); }
.btn--ghost:hover { border-color: var(--brand-400); background: var(--brand-50); }

.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn--outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }

.btn--sm { height: 38px; padding-inline: 18px; font-size: 14px; }
.btn--lg { height: 54px; padding-inline: 34px; font-size: 16px; }
.btn--block { width: 100%; }

.text-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--brand-600); font-weight: 600; font-size: 15px;
}
.text-link svg { transition: transform .25s var(--ease); }
.text-link:hover svg { transform: translateX(4px); }

/* ==========================================================================
   Section heading
   ========================================================================== */
.head { max-width: 720px; margin-bottom: 56px; }
.head--center { margin-inline: auto; text-align: center; }
.head__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px;
  margin-bottom: 18px;
  border-radius: var(--r-full);
  background: var(--brand-50);
  color: var(--brand-600);
  font-size: 13px; font-weight: 600; letter-spacing: .4px;
}
.head__eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-500);
}
.section--dark .head__eyebrow { background: rgba(255,255,255,.12); color: #A9C3FF; }
.section--dark .head__eyebrow::before { background: #6A9BFF; }
.head__title { margin-bottom: 16px; }
.head__desc { font-size: 17px; color: var(--ink-500); }
.section--dark .head__desc { color: rgba(255,255,255,.68); }

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

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(56px, 8vw, 104px));
  padding-bottom: clamp(64px, 8vw, 104px);
  background: var(--grad-soft);
  overflow: hidden;
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .5;
  pointer-events: none;
}
.hero::before {
  width: 520px; height: 520px;
  top: -180px; right: -120px;
  background: radial-gradient(circle, #7BA6FF 0%, rgba(123,166,255,0) 70%);
}
.hero::after {
  width: 420px; height: 420px;
  bottom: -220px; left: -140px;
  background: radial-gradient(circle, #B39BFF 0%, rgba(179,155,255,0) 70%);
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 6px;
  margin-bottom: 24px;
  border-radius: var(--r-full);
  background: var(--white);
  border: 1px solid var(--brand-100);
  box-shadow: var(--shadow-sm);
  font-size: 13px; color: var(--ink-600);
}
.hero__badge b {
  padding: 2px 10px; border-radius: var(--r-full);
  background: var(--grad-brand); color: #fff;
  font-size: 12px; font-weight: 600;
}
.hero__title { margin-bottom: 20px; }
.hero__title em { font-style: normal; color: var(--brand-600); }
.hero__desc {
  font-size: 17px; color: var(--ink-500);
  max-width: 560px; margin-bottom: 32px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--ink-200);
  max-width: 520px;
}
.stat__num {
  font-size: 30px; font-weight: 800; color: var(--ink-900);
  line-height: 1.2; letter-spacing: -.02em;
}
.stat__num span { font-size: 17px; font-weight: 600; color: var(--brand-600); margin-left: 2px; }
.stat__label { font-size: 13px; color: var(--ink-500); }

/* 产品卡片式主视觉 */
.hero__visual { position: relative; }
.hero-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  padding: 22px;
}
.hero-card__bar {
  display: flex; align-items: center; gap: 6px;
  padding-bottom: 16px; margin-bottom: 18px;
  border-bottom: 1px solid var(--ink-100);
}
.hero-card__bar i {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ink-200);
}
.hero-card__bar i:first-child { background: #FF5F57; }
.hero-card__bar i:nth-child(2) { background: #FEBC2E; }
.hero-card__bar i:nth-child(3) { background: #28C840; }
.hero-card__bar span {
  margin-left: auto; font-size: 12px; color: var(--ink-400); letter-spacing: .4px;
}
.metric-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 16px; }
.metric {
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: var(--ink-50);
  border: 1px solid var(--ink-100);
}
.metric:nth-child(1) { background: var(--brand-50); border-color: var(--brand-100); }
.metric__label { font-size: 12px; color: var(--ink-500); margin-bottom: 4px; }
.metric__value { font-size: 21px; font-weight: 700; color: var(--ink-900); letter-spacing: -.02em; }
.metric__delta { font-size: 12px; font-weight: 600; color: #E11D48; }
.metric__delta.up { color: #E11D48; }
.chart {
  display: flex; align-items: flex-end; gap: 8px;
  height: 108px; padding: 14px 4px 0;
}
.chart__bar {
  flex: 1;
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, var(--brand-400), var(--brand-100));
  height: var(--h, 40%);
  animation: barGrow .9s var(--ease) both;
}
.chart__bar:nth-child(even) { background: linear-gradient(180deg, #A78BFA, #EDE9FE); }
@keyframes barGrow { from { transform: scaleY(.15); transform-origin: bottom; opacity: .3; } }
.hero-card__legend {
  display: flex; gap: 16px; padding-top: 12px; margin-top: 10px;
  border-top: 1px solid var(--ink-100);
  font-size: 12px; color: var(--ink-400);
}
.hero-card__legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; }

.float-chip {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-md);
  font-size: 13px; font-weight: 600; color: var(--ink-800);
  animation: floatY 4.5s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
.float-chip svg { color: var(--brand-600); }
.float-chip--a { top: 12%; left: -46px; }
.float-chip--b { bottom: 14%; right: -34px; animation-delay: -2s; }

/* ==========================================================================
   Cards / Grids
   ========================================================================== */
.grid { display: grid; gap: 24px; }
.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;
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--r-lg);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-200);
}
.card__icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  margin-bottom: 20px;
  border-radius: 14px;
  background: var(--brand-50);
  color: var(--brand-600);
}
.card__title { margin-bottom: 10px; }
.card__text { font-size: 15px; color: var(--ink-500); }
.card__list { margin-top: 18px; display: grid; gap: 9px; }
.card__list li {
  display: flex; align-items: flex-start; gap: 9px;
  font-size: 14px; color: var(--ink-600);
}
.card__list svg { flex-shrink: 0; margin-top: 5px; color: var(--brand-500); }

/* 数字优势条 */
.advantage {
  padding: 28px;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--ink-200);
  text-align: center;
}
.advantage__num { font-size: 34px; font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.advantage__num span { font-size: 18px; }
.advantage__label { font-size: 14px; color: var(--ink-500); margin-top: 6px; }

/* ==========================================================================
   产品模块
   ========================================================================== */
.product-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.product-row + .product-row { margin-top: clamp(56px, 7vw, 96px); }
.product-row--reverse .product-row__media { order: 2; }
.product-row__media {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--grad-brand);
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.product-row__media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 22% 18%, rgba(255,255,255,.28), transparent 42%),
    radial-gradient(circle at 82% 84%, rgba(255,106,44,.28), transparent 46%);
}
.product-row__art { position: relative; z-index: 1; text-align: center; padding: 32px; }
.product-row__art .big {
  font-size: clamp(40px, 5vw, 64px); font-weight: 800;
  letter-spacing: -.03em; line-height: 1.1; margin-bottom: 10px;
}
.product-row__art p { font-size: 15px; color: rgba(255,255,255,.86); }
.product-row__tag {
  display: inline-block;
  padding: 5px 14px; margin-bottom: 18px;
  border-radius: var(--r-full);
  background: var(--brand-50); color: var(--brand-600);
  font-size: 13px; font-weight: 600;
}
.product-row__title { margin-bottom: 14px; }
.product-row__desc { font-size: 16px; color: var(--ink-500); margin-bottom: 22px; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 20px; margin-bottom: 28px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--ink-700); }
.feature-list .dot {
  flex-shrink: 0;
  width: 22px; height: 22px; margin-top: 2px;
  border-radius: 7px;
  background: var(--brand-50); color: var(--brand-600);
  display: grid; place-items: center;
}

/* 产品矩阵 tab */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.tab {
  padding: 10px 22px;
  border: 1px solid var(--ink-200);
  border-radius: var(--r-full);
  background: var(--white);
  font-size: 15px; font-weight: 500; color: var(--ink-600);
  cursor: pointer;
  transition: all .25s var(--ease);
}
.tab:hover { border-color: var(--brand-300); color: var(--brand-600); }
.tab.is-active {
  background: var(--brand-600); border-color: var(--brand-600); color: #fff;
  box-shadow: var(--shadow-brand);
}
.panel { display: none; }
.panel.is-active { display: block; animation: fadeUp .45s var(--ease) both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
}

/* ==========================================================================
   行业 / 场景
   ========================================================================== */
.industry {
  position: relative;
  padding: 28px;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--ink-200);
  overflow: hidden;
}
.industry::before {
  content: "";
  position: absolute; left: 0; top: 0;
  width: 100%; height: 3px;
  background: var(--grad-brand);
  opacity: 0; transition: opacity .3s var(--ease);
}
.industry:hover::before { opacity: 1; }
.industry:hover { box-shadow: var(--shadow-md); }
.industry h4 { margin-bottom: 8px; }
.industry p { font-size: 14.5px; color: var(--ink-500); }
.industry__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.industry__tags span {
  padding: 3px 11px; border-radius: var(--r-full);
  background: var(--ink-50); border: 1px solid var(--ink-100);
  font-size: 12.5px; color: var(--ink-600);
}

/* ==========================================================================
   Timeline
   ========================================================================== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: "";
  position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(180deg, var(--brand-300), var(--brand-100));
}
.tl-item { position: relative; padding-bottom: 36px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute; left: -32px; top: 6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--brand-500);
}
.tl-item__year {
  display: inline-block; margin-bottom: 6px;
  font-size: 14px; font-weight: 700; color: var(--brand-600);
  letter-spacing: .5px;
}
.tl-item h4 { margin-bottom: 6px; }
.tl-item p { font-size: 15px; color: var(--ink-500); }

/* ==========================================================================
   流程步骤
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step__num {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: var(--grad-brand);
  color: #fff; font-size: 18px; font-weight: 700;
  box-shadow: var(--shadow-brand);
}
.step h4 { margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--ink-500); }
.step:not(:last-child)::after {
  content: "";
  position: absolute; top: 31px; left: 62px; right: 8px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--ink-300) 0 6px, transparent 6px 12px);
}

/* ==========================================================================
   客户评价
   ========================================================================== */
.quote-card {
  padding: 32px;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--ink-200);
  display: flex; flex-direction: column;
}
.quote-card__mark { color: var(--brand-200); margin-bottom: 12px; }
.quote-card p { font-size: 15.5px; color: var(--ink-700); flex: 1; margin-bottom: 22px; }
.quote-card__author { display: flex; align-items: center; gap: 12px; }
.quote-card__avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad-brand); color: #fff; font-weight: 700; font-size: 15px;
}
.quote-card__name { font-size: 15px; font-weight: 600; color: var(--ink-900); }
.quote-card__role { font-size: 13px; color: var(--ink-400); }

/* 客户 logo 墙 */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.logo-wall__item {
  height: 76px;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--white);
  border: 1px solid var(--ink-200);
  font-size: 15px; font-weight: 700; color: var(--ink-400);
  letter-spacing: 1px;
  transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.logo-wall__item:hover { color: var(--brand-600); border-color: var(--brand-200); transform: translateY(-3px); }

/* ==========================================================================
   版本对比表
   ========================================================================== */
.table-wrap {
  border: 1px solid var(--ink-200);
  border-radius: var(--r-lg);
  background: var(--white);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}
.cmp-table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 15px; }
.cmp-table th, .cmp-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--ink-100);
  vertical-align: middle;
}
.cmp-table thead th {
  background: var(--ink-50);
  color: var(--ink-900);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  position: sticky; top: 0;
}
.cmp-table thead th.is-hot {
  background: var(--brand-50);
  color: var(--brand-700);
}
.cmp-table tbody th { font-weight: 600; color: var(--ink-900); width: 220px; }
.cmp-table tbody tr:last-child th,
.cmp-table tbody tr:last-child td { border-bottom: 0; }
.cmp-table tbody tr:hover { background: var(--ink-50); }
.cmp-table td { color: var(--ink-600); }
.cmp-table td.is-hot { background: var(--brand-50); color: var(--brand-800); font-weight: 600; }
.cmp-table .yes { color: #0E9F6E; font-weight: 700; }
.cmp-table .no { color: var(--ink-300); }
.cmp-table .ver-name { font-size: 14px; font-weight: 500; color: var(--ink-500); }

/* 服务卡片 */
.svc-card {
  display: flex; flex-direction: column;
  height: 100%;
  padding: 30px;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--ink-200);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--brand-200); }
.svc-card__icon {
  width: 50px; height: 50px; margin-bottom: 18px;
  border-radius: 14px; display: grid; place-items: center;
  background: var(--brand-50); color: var(--brand-600);
}
.svc-card h3 { margin-bottom: 10px; }
.svc-card p { font-size: 15px; color: var(--ink-500); margin-bottom: 18px; }
.svc-card__meta {
  margin-top: auto; padding-top: 16px;
  border-top: 1px dashed var(--ink-200);
  font-size: 13.5px; color: var(--ink-400);
}
.svc-card__meta b { color: var(--brand-600); font-weight: 600; }

/* ==========================================================================
   联系我们 / 表单
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
.info-card {
  display: flex; gap: 16px;
  padding: 22px;
  border-radius: var(--r-md);
  background: var(--white);
  border: 1px solid var(--ink-200);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.info-card:hover { border-color: var(--brand-200); box-shadow: var(--shadow-sm); }
.info-card__icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--brand-50); color: var(--brand-600);
}
.info-card__label { font-size: 13px; color: var(--ink-400); margin-bottom: 2px; }
.info-card__value { font-size: 16px; font-weight: 600; color: var(--ink-900); }
.info-card__note { font-size: 13px; color: var(--ink-500); margin-top: 4px; }

.form-card {
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--r-xl);
  background: var(--white);
  border: 1px solid var(--ink-200);
  box-shadow: var(--shadow-md);
}
.field { margin-bottom: 20px; }
.field__label {
  display: block; margin-bottom: 8px;
  font-size: 14px; font-weight: 600; color: var(--ink-800);
}
.field__label i { color: var(--accent-500); font-style: normal; margin-left: 2px; }
.field-control {
  width: 100%;
  height: 48px;
  padding-inline: 16px;
  border: 1px solid var(--ink-200);
  border-radius: var(--r-sm);
  background: var(--white);
  font-size: 15px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
textarea.field-control { height: auto; min-height: 118px; padding-block: 13px; resize: vertical; }
.field-control::placeholder { color: var(--ink-400); }
.field-control:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 4px rgba(47, 102, 255, .12);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-note { margin-top: 16px; font-size: 13px; color: var(--ink-400); text-align: center; }
.form-alert {
  display: none;
  margin-top: 18px; padding: 13px 16px;
  border-radius: var(--r-sm);
  background: #ECFDF5; border: 1px solid #A7F3D0;
  color: #047857; font-size: 14px;
}
.form-alert.is-show { display: block; }

.map-box {
  height: 100%;
  min-height: 320px;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--ink-200);
  background:
    linear-gradient(180deg, #EEF4FF 0%, #E3ECFF 100%);
  position: relative;
}
.map-box__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(20,80,240,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,80,240,.07) 1px, transparent 1px);
  background-size: 40px 40px;
}
.map-box__pin {
  position: absolute; left: 50%; top: 40%;
  transform: translate(-50%, -100%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.map-box__pin span {
  padding: 6px 14px; border-radius: var(--r-full);
  background: var(--white); box-shadow: var(--shadow-md);
  font-size: 13px; font-weight: 600; color: var(--ink-800);
  white-space: nowrap;
}
.map-box__info {
  position: absolute;
  left: 20px; right: 20px; bottom: 18px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--ink-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.map-box__info-title {
  font-size: 14px; font-weight: 600; color: var(--ink-900);
}
.map-box__info-addr {
  font-size: 13px; color: var(--ink-500); margin-bottom: 12px;
}
.map-box__info .btn { align-self: flex-start; }

/* FAQ 折叠 */
.faq { border: 1px solid var(--ink-200); border-radius: var(--r-md); overflow: hidden; background: var(--white); }
.faq__item + .faq__item { border-top: 1px solid var(--ink-200); }
.faq__q {
  width: 100%;
  display: flex; align-items: center; gap: 14px;
  padding: 20px 24px;
  background: none; border: 0; cursor: pointer;
  text-align: left;
  font-size: 16px; font-weight: 600; color: var(--ink-900);
}
.faq__q:hover { background: var(--ink-50); }
.faq__q svg { margin-left: auto; flex-shrink: 0; color: var(--ink-400); transition: transform .3s var(--ease); }
.faq__item.is-open .faq__q svg { transform: rotate(180deg); color: var(--brand-600); }
.faq__a { display: none; padding: 0 24px 22px; font-size: 15px; color: var(--ink-500); }
.faq__item.is-open .faq__a { display: block; animation: fadeUp .3s var(--ease) both; }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta-band {
  position: relative;
  padding: clamp(48px, 6vw, 76px);
  border-radius: var(--r-xl);
  background: var(--grad-dark);
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute; width: 460px; height: 460px;
  right: -140px; top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,102,255,.5), transparent 66%);
  filter: blur(50px);
}
.cta-band::after {
  content: "";
  position: absolute; width: 380px; height: 380px;
  left: -120px; bottom: -190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,106,44,.34), transparent 66%);
  filter: blur(50px);
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 40px); margin-bottom: 14px; }
.cta-band p { font-size: 17px; color: rgba(255,255,255,.72); max-width: 620px; margin: 0 auto 32px; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding-top: 72px;
  background: #0A1020;
  color: rgba(255,255,255,.62);
  font-size: 14.5px;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 48px;
}
.footer .logo__name { color: #fff; }
.footer .logo__slogan { color: rgba(255,255,255,.42); }
.footer__intro { margin: 20px 0 22px; max-width: 320px; line-height: 1.9; }
.footer__contact { display: grid; gap: 10px; }
.footer__contact li { display: flex; align-items: center; gap: 9px; }
.footer__contact svg { flex-shrink: 0; color: #6A9BFF; }
.footer__contact a { transition: color .2s var(--ease); }
.footer__contact a:hover { color: #8FB0FF; }
.info-card__value a { transition: color .2s var(--ease); }
.info-card__value a:hover { color: var(--brand-600); }
.footer__title {
  color: #fff; font-size: 15px; font-weight: 600;
  margin-bottom: 18px; letter-spacing: .3px;
}
.footer__links { display: grid; gap: 11px; }
.footer__links a { transition: color .2s var(--ease); }
.footer__links a:hover { color: #8FB0FF; }
.footer__bottom {
  padding-block: 22px;
  border-top: 1px solid rgba(255,255,255,.09);
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
  font-size: 13.5px; color: rgba(255,255,255,.42);
}
/* 备案号：工信部要求链接至 beian.miit.gov.cn */
.footer__bottom a {
  color: rgba(255, 255, 255, .58);
  transition: color .2s var(--ease);
}
.footer__bottom a:hover { color: #8FB0FF; text-decoration: underline; }
.footer__qr { display: flex; align-items: center; gap: 16px; }
.footer__qr-img {
  width: 84px; height: 84px;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  display: grid; place-items: center;
  font-size: 11px; color: rgba(255,255,255,.5);
  text-align: center; line-height: 1.5;
}

/* ==========================================================================
   页面内页头
   ========================================================================== */
.pagehead {
  position: relative;
  padding-top: calc(var(--nav-h) + 72px);
  padding-bottom: 84px;
  background: var(--grad-soft);
  overflow: hidden;
}
.pagehead::after {
  content: "";
  position: absolute; width: 480px; height: 480px;
  right: -160px; top: -200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(122,166,255,.45), transparent 68%);
  filter: blur(60px);
}
.pagehead > * { position: relative; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 18px;
  font-size: 13.5px; color: var(--ink-400);
}
.breadcrumb a:hover { color: var(--brand-600); }
.breadcrumb span { color: var(--ink-300); }
.pagehead__title { margin-bottom: 16px; }
.pagehead__desc { font-size: 17.5px; color: var(--ink-500); max-width: 660px; }

/* 内容区块 */
.prose h3 { margin-bottom: 12px; }
.prose p { margin-bottom: 16px; color: var(--ink-600); }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink-900); }

.split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: center;
}
.split__media {
  border-radius: var(--r-xl);
  background: var(--grad-brand);
  aspect-ratio: 4 / 3;
  display: grid; place-items: center;
  color: #fff; text-align: center; padding: 36px;
  box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.split__media::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 78% 22%, rgba(255,255,255,.26), transparent 44%);
}
.split__media > * { position: relative; }
.split__media .big { font-size: clamp(38px, 4.6vw, 58px); font-weight: 800; letter-spacing: -.03em; line-height: 1.15; }
.split__media p { margin-top: 10px; color: rgba(255,255,255,.85); font-size: 15px; }

/* 价值观卡片 */
.value-item {
  padding: 26px;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--ink-200);
}
.value-item__num {
  font-size: 13px; font-weight: 700; color: var(--brand-500);
  letter-spacing: 1.5px; margin-bottom: 12px;
}
.value-item h4 { margin-bottom: 8px; }
.value-item p { font-size: 14.5px; color: var(--ink-500); }

/* 资质 */
.cert-item {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 22px;
  border-radius: var(--r-md);
  background: var(--white);
  border: 1px solid var(--ink-200);
  font-size: 15px; font-weight: 500; color: var(--ink-800);
}
.cert-item svg { color: var(--brand-600); flex-shrink: 0; }

/* ==========================================================================
   滚动动画
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .09s; }
.reveal-d2 { transition-delay: .18s; }
.reveal-d3 { transition-delay: .27s; }
.reveal-d4 { transition-delay: .36s; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
  /* 中等屏幕收紧导航间距，避免两个 CTA 挤压菜单 */
  .nav__inner { gap: 18px; }
  .nav__link { padding: 8px 11px; }
  .nav__actions .btn { padding-inline: 15px; }

  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .step:not(:last-child)::after { display: none; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
  .nav__toggle { display: grid; }
  .nav__links {
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 24px 20px;
    background: var(--white);
    border-bottom: 1px solid var(--ink-200);
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav.is-open .nav__links { display: flex; animation: fadeUp .28s var(--ease) both; }
  .nav__link { padding: 12px 8px; font-size: 16px; }
  .nav__link.is-active::after { display: none; }
  .nav__links .btn { width: 100%; margin-top: 8px; }
  .nav__actions { display: none; }
  /* 汉堡菜单展开时显示抽屉内的 CTA */
  .nav__links .nav__cta { display: flex; }

  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { max-width: 480px; }
  .float-chip--a { left: 0; }
  .float-chip--b { right: 0; }
  .product-row, .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .product-row--reverse .product-row__media { order: 0; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .container { padding-inline: 18px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: 1fr; gap: 16px; }
  .hero__stats > div { display: flex; align-items: baseline; gap: 10px; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .float-chip { display: none; }
  .btn--lg { width: 100%; }
}