/* ============================================================
   合肥向量词科技 · 城市级换电基础设施智慧平台 官网
   视觉规范：深海军蓝(权威) + 科技蓝(智慧) + 点缀金(庄重)
   响应式：桌面 ≥1024 / 平板 768-1023 / 移动 <768
   ============================================================ */

:root {
  /* 品牌色 */
  --navy-900: #071C3D;
  --navy-800: #0A2A5E;
  --navy-700: #0F3D7E;
  --blue-600: #1457B8;
  --blue-500: #1E6FE0;
  --blue-400: #3B8BFF;
  --cyan-400: #35C4F0;
  --gold-500: #C9A96A;
  --gold-400: #D9BC85;
  --gold-600: #A9843F;

  /* 中性色 */
  --ink-900: #152033;
  --ink-600: #45566E;
  --ink-400: #7C8CA3;
  --bg-100: #F4F7FC;
  --bg-50: #FAFBFE;
  --line-200: #E3E9F2;
  --white: #FFFFFF;
  --green-500: #1FA97C;
  --red-500: #E05252;
  --orange-500: #E8913A;

  /* 渐变与阴影 */
  --grad-hero: linear-gradient(135deg, #071C3D 0%, #0A2A5E 48%, #12418F 100%);
  --grad-blue: linear-gradient(120deg, #1457B8, #1E6FE0 55%, #35C4F0);
  --grad-gold: linear-gradient(120deg, #A9843F, #C9A96A 55%, #E4CE9A);
  --shadow-card: 0 6px 24px rgba(10, 42, 94, .08);
  --shadow-hover: 0 14px 40px rgba(10, 42, 94, .16);
  --shadow-lg: 0 20px 60px rgba(7, 28, 61, .25);

  /* 圆角与字体 */
  --radius: 16px;
  --radius-sm: 10px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC",
          "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;

  /* 版心 */
  --container: 1200px;
}

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

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

body {
  font-family: var(--font);
  color: var(--ink-900);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------- 通用区块标题 ---------------- */
.section { padding: 88px 0; }
.section--bg { background: var(--bg-100); }
.section--dark {
  background: var(--grad-hero);
  color: var(--white);
}

.sec-head { text-align: center; max-width: 780px; margin: 0 auto 56px; }
.sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--blue-500);
  font-weight: 600;
  margin-bottom: 14px;
}
.sec-tag::before, .sec-tag::after {
  content: "";
  width: 26px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-500));
}
.sec-tag::after { background: linear-gradient(90deg, var(--gold-500), transparent); }
.section--dark .sec-tag { color: var(--gold-400); }

.sec-title {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.35;
  color: var(--navy-800);
}
.section--dark .sec-title { color: var(--white); }
.sec-sub { margin-top: 16px; color: var(--ink-600); font-size: 16px; }
.section--dark .sec-sub { color: rgba(255,255,255,.78); }

.sec-title em {
  font-style: normal;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section--dark .sec-title em {
  background: linear-gradient(120deg, #E4CE9A, #C9A96A);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1200;
  background: rgba(7, 28, 61, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  background: rgba(7, 28, 61, .98);
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--grad-blue);
  display: grid;
  place-items: center;
  box-shadow: 0 4px 14px rgba(30,111,224,.4);
  flex-shrink: 0;
}
.brand-name { color: var(--white); line-height: 1.25; }
.brand-name b {
  display: block;
  font-size: 18px;
  letter-spacing: 2px;
  font-weight: 700;
}
.brand-name span {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--gold-400);
}

.main-nav ul { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  display: block;
  padding: 8px 14px;
  color: rgba(255,255,255,.82);
  font-size: 15px;
  letter-spacing: 1px;
  border-radius: 8px;
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--white); background: rgba(255,255,255,.1); }
.main-nav a.active {
  color: var(--white);
  background: rgba(30,111,224,.35);
  box-shadow: inset 0 0 0 1px rgba(59,139,255,.45);
}

.nav-cta {
  margin-left: 10px;
  padding: 8px 18px !important;
  background: var(--grad-gold) !important;
  color: var(--navy-900) !important;
  font-weight: 700;
  border-radius: 8px !important;
  box-shadow: 0 4px 16px rgba(201,169,106,.35);
}
.nav-cta:hover { filter: brightness(1.06); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 8px;
  color: var(--white);
  font-size: 22px;
  border: 1px solid rgba(255,255,255,.2);
}
.nav-toggle .icon-close { display: none; }
.nav-toggle.open .icon-menu { display: none; }
.nav-toggle.open .icon-close { display: inline; }

/* ---------------- 首页 Hero 轮播 ---------------- */
.hero {
  position: relative;
  min-height: 640px;
  padding-top: 72px;
  overflow: hidden;
  background: var(--grad-hero);
  color: var(--white);
}
.hero-slides { position: relative; height: 640px; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .8s ease, visibility .8s;
  display: flex;
  align-items: center;
}
.hero-slide.active { opacity: 1; visibility: visible; z-index: 2; }

/* 网格底图 */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,139,255,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,139,255,.10) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 70% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 90% at 70% 40%, #000 30%, transparent 75%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .55;
}
.hero-glow.g1 { width: 420px; height: 420px; background: rgba(30,111,224,.55); top: -120px; right: 8%; }
.hero-glow.g2 { width: 300px; height: 300px; background: rgba(53,196,240,.28); bottom: -80px; left: 4%; }

/* 城市天际线剪影 */
.hero-skyline {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 160px;
  opacity: .5;
  background:
    linear-gradient(135deg, rgba(10,42,94,.9), rgba(18,65,143,.55));
  clip-path: polygon(0 100%, 0 62%, 5% 62%, 5% 40%, 9% 40%, 9% 58%, 14% 58%,
    14% 30%, 18% 30%, 18% 55%, 24% 55%, 24% 22%, 29% 22%, 29% 48%, 34% 48%,
    34% 35%, 40% 35%, 40% 60%, 46% 60%, 46% 28%, 52% 28%, 52% 52%, 58% 52%,
    58% 18%, 64% 18%, 64% 44%, 70% 44%, 70% 34%, 76% 34%, 76% 58%, 82% 58%,
    82% 26%, 88% 26%, 88% 50%, 94% 50%, 94% 38%, 100% 38%, 100% 100%);
}

.hero-inner {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 24px 120px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(201,169,106,.55);
  background: rgba(201,169,106,.12);
  color: var(--gold-400);
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.hero-title {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: 3px;
  line-height: 1.3;
  max-width: 760px;
}
.hero-title .grad-text {
  background: linear-gradient(120deg, #E4CE9A 0%, #C9A96A 50%, #8FD0FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  margin-top: 20px;
  font-size: 19px;
  color: rgba(255,255,255,.85);
  max-width: 640px;
  letter-spacing: 1px;
}
.hero-stats {
  display: flex;
  gap: 34px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-stat { text-align: left; }
.hero-stat b {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: var(--gold-400);
  letter-spacing: 1px;
}
.hero-stat span { font-size: 13px; color: rgba(255,255,255,.72); letter-spacing: 1px; }

.hero-cta { display: flex; gap: 16px; margin-top: 44px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold {
  background: var(--grad-gold);
  color: var(--navy-900);
  box-shadow: 0 8px 24px rgba(201,169,106,.4);
}
.btn-gold:hover { box-shadow: 0 12px 30px rgba(201,169,106,.55); }
.btn-ghost {
  border: 1px solid rgba(255,255,255,.45);
  color: var(--white);
  background: rgba(255,255,255,.06);
}
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.7); }
.btn-blue {
  background: var(--grad-blue);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(30,111,224,.35);
}
.btn-blue:hover { box-shadow: 0 12px 32px rgba(30,111,224,.5); }
.btn-line-blue {
  border: 1.5px solid var(--blue-500);
  color: var(--blue-600);
  background: transparent;
}
.btn-line-blue:hover { background: rgba(30,111,224,.06); }

/* 轮播指示器 */
.hero-dots {
  position: absolute;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 6;
}
.hero-dots button {
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.35);
  transition: width .3s, background .3s;
}
.hero-dots button.active { width: 30px; background: var(--gold-500); }

.hero-wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  z-index: 4;
  color: var(--white);
  line-height: 0;
}
.hero-wave svg { width: 100%; height: 70px; display: block; }

/* ---------------- 数据指标区 ---------------- */
.stats-band {
  position: relative;
  z-index: 5;
  margin-top: -46px;
  padding: 0 24px;
}
.stats-band .stats-card {
  max-width: var(--container);
  margin: 0 auto;
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line-200);
  overflow: hidden;
}
.stat-item {
  padding: 34px 18px;
  text-align: center;
  position: relative;
}
.stat-item + .stat-item::before {
  content: "";
  position: absolute;
  left: 0; top: 28%; bottom: 28%;
  width: 1px;
  background: var(--line-200);
}
.stat-item b {
  font-size: 42px;
  font-weight: 800;
  color: var(--navy-800);
  line-height: 1.1;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-item b small { font-size: 22px; -webkit-text-fill-color: var(--blue-500); }
.stat-item span { display: block; margin-top: 8px; font-size: 14px; color: var(--ink-600); letter-spacing: 1px; }

/* ---------------- 痛点方案卡片 ---------------- */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.solution-card {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.solution-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--grad-gold);
  opacity: 0;
  transition: opacity .3s;
}
.solution-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.solution-card:hover::after { opacity: 1; }
.sol-icon {
  width: 62px; height: 62px;
  border-radius: 14px;
  background: rgba(30,111,224,.1);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.sol-icon svg { width: 32px; height: 32px; stroke: var(--blue-500); }
.solution-card h3 { font-size: 21px; color: var(--navy-800); letter-spacing: 1px; }
.solution-card p { margin-top: 12px; color: var(--ink-600); font-size: 15px; }
.sol-num {
  position: absolute;
  top: 26px; right: 26px;
  font-size: 44px;
  font-weight: 800;
  color: rgba(10,42,94,.06);
  line-height: 1;
}

/* ---------------- 架构三层图 ---------------- */
.arch-wrap { position: relative; padding: 20px 0; }
.arch-stack { display: flex; flex-direction: column; gap: 26px; }
.arch-row {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  overflow: hidden;
  position: relative;
}
.arch-label {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 26px 22px;
  color: var(--white);
}
.arch-label .arch-no { font-size: 12px; letter-spacing: 3px; opacity: .8; }
.arch-label h3 { font-size: 20px; letter-spacing: 1px; margin-top: 4px; }
.arch-label p { font-size: 12.5px; opacity: .85; margin-top: 6px; line-height: 1.5; }
.arch-label.l1 { background: linear-gradient(135deg, #1457B8, #1E6FE0); }
.arch-label.l2 { background: linear-gradient(135deg, #0F3D7E, #1457B8); }
.arch-label.l3 { background: linear-gradient(135deg, #0A2A5E, #0F3D7E); }
.arch-chips { display: flex; flex-wrap: wrap; gap: 12px; padding: 24px; }
.arch-chip {
  background: var(--bg-100);
  border: 1px solid var(--line-200);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--ink-600);
  display: flex;
  align-items: center;
  gap: 8px;
}
.arch-chip b { color: var(--navy-800); }
.arch-chip .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue-400);
  flex-shrink: 0;
}
.arch-arrow {
  text-align: center;
  color: var(--blue-400);
  font-size: 20px;
  line-height: 0;
  margin: -10px 0;
}

/* ---------------- 小程序入口 ---------------- */
.miniapp-cta {
  background: var(--grad-hero);
  border-radius: 24px;
  padding: 56px 60px;
  color: var(--white);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.miniapp-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,139,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,139,255,.08) 1px, transparent 1px);
  background-size: 44px 44px;
}
.miniapp-cta > * { position: relative; z-index: 2; }
.miniapp-cta h3 { font-size: 32px; letter-spacing: 2px; }
.miniapp-cta h3 em {
  font-style: normal;
  background: linear-gradient(120deg, #E4CE9A, #C9A96A);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.miniapp-cta p { margin-top: 14px; color: rgba(255,255,255,.8); font-size: 16px; }
.miniapp-cta .tags { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.miniapp-cta .tag {
  font-size: 12.5px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.85);
}
.qr-box {
  justify-self: center;
  background: var(--white);
  border-radius: 18px;
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.qr-box .qr {
  display: block;
  width: 148px; height: 148px;
  margin: 0 auto;
  border-radius: 8px;
  object-fit: contain;
  background: #ffffff url(../images/qrcode-miniprogram.png) center/contain no-repeat;
}
.qr-box span { display: block; margin-top: 12px; font-size: 13px; color: var(--ink-600); letter-spacing: 1px; }

/* ---------------- 信任区 / Logo 墙 ---------------- */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.logo-item {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: 12px;
  height: 84px;
  display: grid;
  place-items: center;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--ink-400);
  transition: all .3s;
  box-shadow: var(--shadow-card);
}
.logo-item:hover { color: var(--navy-800); border-color: var(--blue-400); transform: translateY(-3px); }
.logo-item.dim { color: var(--ink-400); font-weight: 400; letter-spacing: 1px; font-size: 14px; }

.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 30px; }
.trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-100);
  border-radius: 14px;
  padding: 22px 24px;
  border: 1px solid var(--line-200);
}
.trust-item .t-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--white);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-card);
}
.trust-item .t-icon svg { width: 24px; height: 24px; stroke: var(--blue-500); }
.trust-item b { display: block; font-size: 16px; color: var(--navy-800); }
.trust-item span { font-size: 13px; color: var(--ink-400); }

.gov-badge {
  margin-top: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  text-align: center;
}
.gov-badge .badge-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--grad-gold);
  display: grid;
  place-items: center;
  color: var(--navy-900);
  font-size: 20px;
}
.gov-badge span {
  font-size: 15px;
  color: var(--ink-600);
  letter-spacing: 1px;
}
.gov-badge b { color: var(--navy-800); }

/* ---------------- 最新动态 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.news-cover {
  height: 168px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: rgba(255,255,255,.9);
  position: relative;
}
.news-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(7,28,61,0) 40%, rgba(7,28,61,.35));
}
.news-cover .cover-icon { position: relative; z-index: 2; }
.nc-1 { background: linear-gradient(135deg, #1457B8, #35C4F0); }
.nc-2 { background: linear-gradient(135deg, #0A2A5E, #1E6FE0); }
.nc-3 { background: linear-gradient(135deg, #A9843F, #C9A96A); }
.news-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; gap: 12px; align-items: center; font-size: 12.5px; color: var(--ink-400); }
.news-cat {
  background: rgba(30,111,224,.1);
  color: var(--blue-600);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.news-card h3 { font-size: 17px; margin-top: 12px; color: var(--navy-800); line-height: 1.5; }
.news-card p { font-size: 14px; color: var(--ink-600); margin-top: 10px; flex: 1; }
.news-more {
  margin-top: 16px;
  color: var(--blue-500);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-more:hover { gap: 10px; transition: gap .2s; }

.center-btn { text-align: center; margin-top: 44px; }

/* ---------------- 页面内部 Hero（子页） ---------------- */
.page-hero {
  position: relative;
  padding: 150px 0 90px;
  background: var(--grad-hero);
  color: var(--white);
  overflow: hidden;
}
.page-hero .hero-grid-bg { opacity: .6; }
.page-hero-inner { position: relative; z-index: 3; text-align: center; }
.page-hero .crumb {
  font-size: 13px;
  letter-spacing: 2px;
  color: rgba(255,255,255,.65);
  margin-bottom: 16px;
}
.page-hero .crumb a:hover { color: var(--gold-400); }
.page-hero h1 { font-size: 44px; letter-spacing: 3px; font-weight: 800; }
.page-hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #E4CE9A, #C9A96A);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-hero p { margin-top: 16px; font-size: 17px; color: rgba(255,255,255,.8); max-width: 720px; margin-left: auto; margin-right: auto; }

/* ---------------- 产品页 ---------------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--line-200);
  box-shadow: var(--shadow-card);
  padding: 34px 30px;
  transition: transform .3s, box-shadow .3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.fc-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.fc-head .fc-icon {
  width: 52px; height: 52px;
  border-radius: 13px;
  background: var(--grad-blue);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.fc-head .fc-icon svg { width: 26px; height: 26px; stroke: #fff; }
.fc-head h3 { font-size: 19px; color: var(--navy-800); }
.fc-head span { display: block; font-size: 12.5px; color: var(--ink-400); letter-spacing: 1px; }
.feature-card ul { display: flex; flex-direction: column; gap: 11px; }
.feature-card li {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink-600);
  line-height: 1.6;
}
.feature-card li::before {
  content: "✓";
  color: var(--blue-500);
  font-weight: 700;
  flex-shrink: 0;
}

/* 套餐表 */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.plan-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: 38px 30px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s;
  overflow: hidden;
}
.plan-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.plan-card.featured {
  border: 2px solid var(--gold-500);
  background: linear-gradient(180deg, #FFFDF7, #FFF);
}
.plan-tag {
  position: absolute;
  top: 0; right: 0;
  background: var(--grad-gold);
  color: var(--navy-900);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 0 0 0 12px;
  letter-spacing: 1px;
}
.plan-letter {
  width: 76px; height: 76px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--grad-blue);
  color: #fff;
  font-size: 34px;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 22px rgba(30,111,224,.35);
}
.plan-card:nth-child(2) .plan-letter { background: var(--grad-gold); color: var(--navy-900); box-shadow: 0 8px 22px rgba(201,169,106,.4); }
.plan-card:nth-child(3) .plan-letter { background: linear-gradient(135deg, #0A2A5E, #1457B8); }
.plan-card h3 { font-size: 20px; color: var(--navy-800); }
.plan-card .who { font-size: 13px; color: var(--ink-400); margin-top: 6px; }
.plan-card ul { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.plan-card li { font-size: 14.5px; color: var(--ink-600); }
.plan-card li::before { content: "✓ "; color: var(--blue-500); font-weight: 700; }
.plan-card.featured li::before { color: var(--gold-600); }

/* ---------------- 技术页 ---------------- */
.tech-stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tech-card {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: 30px 24px;
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.tech-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.tech-card .t-no {
  font-size: 40px;
  font-weight: 800;
  color: rgba(10,42,94,.07);
  position: absolute;
  top: 14px; right: 18px;
}
.tech-card h3 { font-size: 18px; color: var(--navy-800); margin-bottom: 10px; }
.tech-card p { font-size: 13.5px; color: var(--ink-600); line-height: 1.7; }
.tech-card .t-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  color: var(--blue-600);
  background: rgba(30,111,224,.09);
  border-radius: 999px;
  padding: 3px 12px;
  letter-spacing: .5px;
}

.highlight-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.hl-item {
  display: flex;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: 14px;
  padding: 26px 28px;
  box-shadow: var(--shadow-card);
}
.hl-item .hl-icon {
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(30,111,224,.1);
  display: grid;
  place-items: center;
}
.hl-item .hl-icon svg { width: 24px; height: 24px; stroke: var(--blue-500); }
.hl-item h4 { font-size: 16.5px; color: var(--navy-800); }
.hl-item p { font-size: 14px; color: var(--ink-600); margin-top: 6px; }

.ip-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ip-card {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-card);
}
.ip-card h3 {
  font-size: 18px;
  color: var(--navy-800);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-200);
  display: flex;
  align-items: center;
  gap: 10px;
}
.ip-card ul { margin-top: 16px; display: flex; flex-direction: column; gap: 14px; }
.ip-card li { font-size: 14.5px; color: var(--ink-600); line-height: 1.6; }
.ip-card li b { color: var(--navy-800); display: block; }
.ip-card li span { font-size: 12.5px; color: var(--ink-400); }

/* ---------------- 团队页 ---------------- */
.founder-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.founder-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--line-200);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.founder-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.founder-top {
  padding: 40px 30px 26px;
  text-align: center;
  background: var(--grad-hero);
  color: var(--white);
  position: relative;
}
.founder-avatar {
  width: 92px; height: 92px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--grad-blue);
  display: grid;
  place-items: center;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  border: 3px solid rgba(255,255,255,.35);
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
}
.founder-top h3 { font-size: 22px; letter-spacing: 2px; }
.founder-top .role {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--gold-400);
  background: rgba(201,169,106,.14);
  border: 1px solid rgba(201,169,106,.4);
  border-radius: 999px;
  padding: 4px 16px;
  letter-spacing: 1px;
}
.founder-body { padding: 26px 28px 30px; }
.founder-body .fb-item { margin-bottom: 16px; }
.founder-body .fb-label {
  font-size: 12.5px;
  color: var(--ink-400);
  letter-spacing: 2px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.founder-body .fb-label::before {
  content: "";
  width: 16px; height: 2px;
  background: var(--gold-500);
  border-radius: 2px;
}
.founder-body p, .founder-body li { font-size: 14px; color: var(--ink-600); line-height: 1.75; }
.founder-body ul { display: flex; flex-direction: column; gap: 4px; }
.founder-body ul li { padding-left: 14px; position: relative; }
.founder-body ul li::before {
  content: "·";
  position: absolute;
  left: 2px;
  color: var(--blue-500);
  font-weight: 800;
}

.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-bottom: 1px solid var(--line-200); }
.info-table tr:last-child { border-bottom: none; }
.info-table td { padding: 15px 8px; font-size: 15px; vertical-align: top; }
.info-table td:first-child {
  width: 180px;
  color: var(--ink-400);
  letter-spacing: 1px;
  font-size: 14px;
  white-space: nowrap;
}
.info-table td:last-child { color: var(--ink-900); }

/* ---------------- 新闻页 ---------------- */
.news-filter { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
.filter-btn {
  padding: 8px 22px;
  border-radius: 999px;
  border: 1px solid var(--line-200);
  background: var(--white);
  color: var(--ink-600);
  font-size: 14px;
  letter-spacing: 1px;
  transition: all .25s;
}
.filter-btn:hover { border-color: var(--blue-400); color: var(--blue-600); }
.filter-btn.active {
  background: var(--grad-blue);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(30,111,224,.3);
}

.news-list { display: flex; flex-direction: column; gap: 20px; max-width: 960px; margin: 0 auto; }
.news-list-item {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: 14px;
  padding: 26px 30px;
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 24px;
  align-items: center;
  box-shadow: var(--shadow-card);
  transition: transform .25s, box-shadow .25s;
}
.news-list-item:hover { transform: translateX(6px); box-shadow: var(--shadow-hover); }
.nli-date { text-align: center; }
.nli-date b { display: block; font-size: 30px; color: var(--navy-800); line-height: 1.1; }
.nli-date span { font-size: 13px; color: var(--ink-400); }
.nli-title h3 { font-size: 18px; color: var(--navy-800); line-height: 1.5; }
.nli-title p { font-size: 14px; color: var(--ink-600); margin-top: 6px; }
.nli-go { color: var(--blue-500); font-size: 20px; }
.news-list-item[hidden] { display: none; }

/* ---------------- 加入我们 ---------------- */
.job-table-wrap {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.job-table { width: 100%; border-collapse: collapse; }
.job-table th {
  background: var(--navy-800);
  color: #fff;
  text-align: left;
  font-size: 14px;
  letter-spacing: 2px;
  font-weight: 600;
  padding: 16px 22px;
}
.job-table td {
  padding: 18px 22px;
  font-size: 15px;
  border-bottom: 1px solid var(--line-200);
  color: var(--ink-600);
}
.job-table tr:last-child td { border-bottom: none; }
.job-table td:first-child { color: var(--navy-800); font-weight: 600; }
.job-table tr:hover td { background: var(--bg-50); }
.job-badge {
  display: inline-block;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 999px;
  background: rgba(30,111,224,.1);
  color: var(--blue-600);
}
.job-badge.gray { background: rgba(124,140,163,.14); color: var(--ink-600); }

.emp-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.emp-card {
  text-align: center;
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: 38px 20px;
  box-shadow: var(--shadow-card);
}
.emp-card b {
  font-size: 46px;
  font-weight: 800;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.emp-card span { display: block; margin-top: 8px; font-size: 15px; color: var(--ink-600); letter-spacing: 1px; }
.emp-card small { font-size: 12.5px; color: var(--ink-400); }

/* ---------------- 关于我们 ---------------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding: 10px 0; }
.timeline::before {
  content: "";
  position: absolute;
  left: 130px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--blue-400), var(--gold-500));
}
.tl-item { position: relative; padding: 0 0 34px 190px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: 130px;
  top: 6px;
  transform: translateX(-50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--blue-500);
  box-shadow: 0 0 0 4px rgba(30,111,224,.15);
}
.tl-item:nth-child(even) .tl-dot { border-color: var(--gold-500); box-shadow: 0 0 0 4px rgba(201,169,106,.18); }
.tl-date {
  position: absolute;
  left: 0; top: 0;
  width: 110px;
  text-align: right;
  font-weight: 700;
  color: var(--blue-600);
  font-size: 15px;
  letter-spacing: .5px;
}
.tl-card {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: 12px;
  padding: 18px 24px;
  box-shadow: var(--shadow-card);
}
.tl-card h4 { font-size: 16.5px; color: var(--navy-800); }
.tl-card p { font-size: 13.5px; color: var(--ink-600); margin-top: 4px; }

.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-card {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: 14px;
  padding: 26px 20px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s;
}
.cert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.cert-icon {
  width: 54px; height: 54px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: rgba(30,111,224,.1);
  display: grid;
  place-items: center;
}
.cert-icon svg { width: 26px; height: 26px; stroke: var(--blue-500); }
.cert-card h4 { font-size: 15.5px; color: var(--navy-800); }
.cert-card p { font-size: 12.5px; color: var(--ink-400); margin-top: 6px; }

.policy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.policy-card {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--blue-500);
}
.policy-card.p2 { border-top-color: var(--gold-500); }
.policy-card.p3 { border-top-color: var(--cyan-400); }
.policy-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  color: var(--navy-800);
  margin-bottom: 16px;
}
.policy-card ul { display: flex; flex-direction: column; gap: 10px; }
.policy-card li {
  font-size: 14px;
  color: var(--ink-600);
  padding-left: 16px;
  position: relative;
}
.policy-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--blue-400);
  transform: rotate(45deg);
}
.policy-card.p2 li::before { background: var(--gold-500); }
.policy-card.p3 li::before { background: var(--cyan-400); }

/* ---------------- 联系我们 ---------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: start; }
.contact-info-card {
  background: var(--grad-hero);
  color: var(--white);
  border-radius: var(--radius);
  padding: 40px 36px;
}
.contact-info-card h3 { font-size: 22px; letter-spacing: 1px; }
.contact-info-card > p { font-size: 14px; color: rgba(255,255,255,.72); margin-top: 8px; }
.ci-list { margin-top: 30px; display: flex; flex-direction: column; gap: 22px; }
.ci-item { display: flex; gap: 16px; align-items: flex-start; }
.ci-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  display: grid;
  place-items: center;
}
.ci-icon svg { width: 22px; height: 22px; stroke: var(--gold-400); }
.ci-item b { display: block; font-size: 14px; color: var(--gold-400); letter-spacing: 1px; }
.ci-item span { font-size: 15px; color: rgba(255,255,255,.9); line-height: 1.6; }
.work-time {
  margin-top: 26px;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(255,255,255,.07);
  border: 1px dashed rgba(255,255,255,.25);
  font-size: 13.5px;
  color: rgba(255,255,255,.8);
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-form-card {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 40px 38px;
}
.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;
  color: var(--ink-600);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.form-group label i { color: var(--red-500); font-style: normal; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  border: 1px solid var(--line-200);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--ink-900);
  background: var(--bg-50);
  outline: none;
  transition: border .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,139,255,.15);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-tip { font-size: 12.5px; color: var(--ink-400); margin-top: 6px; }
.form-success {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 10px;
  background: rgba(31,169,124,.1);
  border: 1px solid rgba(31,169,124,.35);
  color: var(--green-500);
  font-size: 14.5px;
}
.form-success.show { display: block; }

.channel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.channel-card {
  background: var(--white);
  border: 1px solid var(--line-200);
  border-radius: 14px;
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s;
}
.channel-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.channel-icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  border-radius: 14px;
  background: var(--grad-blue);
  display: grid;
  place-items: center;
}
.channel-icon svg { width: 28px; height: 28px; stroke: #fff; }
.channel-card:nth-child(2) .channel-icon { background: var(--grad-gold); }
.channel-card:nth-child(3) .channel-icon { background: linear-gradient(135deg, #0A2A5E, #1457B8); }
.channel-card:nth-child(4) .channel-icon { background: linear-gradient(135deg, #A9843F, #C9A96A); }
.channel-card h4 { font-size: 17px; color: var(--navy-800); }
.channel-card p { font-size: 13.5px; color: var(--ink-600); margin-top: 8px; line-height: 1.7; }
.channel-card .channel-contact {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--blue-600);
  font-weight: 600;
}

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.72); }
.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 64px 0 48px;
}
.footer-brand .brand-name { margin-top: 16px; }
.footer-brand p { font-size: 14px; margin-top: 16px; line-height: 1.8; color: rgba(255,255,255,.6); }
.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 28px; height: 2px;
  background: var(--gold-500);
}
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,.62); transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: var(--gold-400); padding-left: 6px; }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; align-items: flex-start; margin-bottom: 12px; }
.footer-contact svg { width: 16px; height: 16px; stroke: var(--gold-400); flex-shrink: 0; margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom a:hover { color: var(--gold-400); }

/* ---------------- 通用辅助 ---------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .tech-stack-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-band .stats-card { grid-template-columns: repeat(3, 1fr); }
  .stat-item:nth-child(4)::before, .stat-item:nth-child(5)::before { display: none; }
  .channel-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: 0; right: -320px;
    width: 300px;
    height: 100vh;
    background: var(--navy-900);
    padding: 96px 30px 40px;
    transition: right .35s ease;
    box-shadow: -12px 0 40px rgba(0,0,0,.3);
    overflow-y: auto;
    z-index: 1080;
  }
  .main-nav.open { right: 0; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; position: relative; z-index: 1081; }
  .main-nav a { padding: 13px 16px; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,.07); border-radius: 0; display: block; position: relative; z-index: 1082; }
  .nav-cta { margin-left: 0; margin-top: 18px; text-align: center; border-radius: 10px !important; }
  .nav-toggle { display: grid; place-items: center; position: relative; z-index: 1100; }
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(7,28,61,.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s;
    z-index: 1070;
  }
  .nav-backdrop.show { opacity: 1; visibility: visible; }

  .hero { min-height: 580px; }
  .hero-slides { height: 580px; }
  .hero-title { font-size: 40px; }
  .hero-inner { padding: 60px 24px 110px; }
  .hero-dots { bottom: 76px; }

  .section { padding: 68px 0; }
  .sec-title { font-size: 30px; }
  .solution-grid, .feature-grid, .plan-grid, .founder-grid { grid-template-columns: repeat(2, 1fr); }
  .policy-grid { grid-template-columns: 1fr; }
  .miniapp-cta { grid-template-columns: 1fr; padding: 44px 36px; text-align: center; }
  .miniapp-cta .tags { justify-content: center; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .arch-row { grid-template-columns: 1fr; }
  .arch-label { padding: 22px; }
  .highlight-list { grid-template-columns: 1fr; }
  .timeline::before { left: 14px; }
  .tl-item { padding-left: 52px; }
  .tl-date { position: static; width: auto; text-align: left; margin-bottom: 4px; }
  .tl-dot { left: 14px; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .hero { min-height: 540px; }
  .hero-slides { height: 540px; }
  .hero-title { font-size: 30px; letter-spacing: 1px; }
  .hero-sub { font-size: 15.5px; }
  .hero-stat b { font-size: 24px; }
  .hero-cta .btn { width: 100%; }
  .hero-inner { padding: 48px 18px 100px; }

  .stats-band { margin-top: -30px; padding: 0 16px; }
  .stats-band .stats-card { grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .stat-item { padding: 24px 12px; }
  .stat-item b { font-size: 32px; }
  .stat-item:nth-child(3)::before { display: none; }
  .stat-item:nth-child(odd)::before { display: none; }

  .section { padding: 56px 0; }
  .sec-title { font-size: 25px; letter-spacing: 1px; }
  .sec-head { margin-bottom: 38px; }
  .solution-grid, .feature-grid, .plan-grid, .founder-grid,
  .tech-stack-grid, .news-grid, .emp-stats, .ip-grid,
  .channel-grid, .cert-grid, .trust-grid, .policy-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .logo-item { height: 68px; font-size: 14px; }
  .miniapp-cta { padding: 36px 24px; border-radius: 18px; }
  .miniapp-cta h3 { font-size: 24px; }
  .qr-box .qr { width: 120px; height: 120px; }
  .page-hero { padding: 120px 0 64px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero p { font-size: 15px; }
  .news-list-item { grid-template-columns: 1fr; gap: 12px; text-align: left; }
  .nli-date { text-align: left; display: flex; align-items: baseline; gap: 10px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding: 48px 0 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .job-table th, .job-table td { padding: 13px 14px; font-size: 13.5px; }
  .job-table-wrap { overflow-x: auto; }
  .info-table td:first-child { width: 110px; white-space: normal; }
  .contact-info-card, .contact-form-card { padding: 28px 22px; }
}