/* ============================================================
   爱问云教育官网 · 蓝色教育科技风
   ============================================================ */
:root {
  --theme: #1668ff;
  --theme-dark: #0b4fd0;
  --theme-light: #5aa9ff;
  --theme-bg: #f5f9ff;
  --ink: #0b1e3f;
  --ink-2: #3d4a63;
  --ink-3: #7a86a0;
  --line: #e3ecfb;
  --white: #ffffff;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(22, 104, 255, .10);
  --shadow-lg: 0 16px 48px rgba(22, 104, 255, .16);
  --grad: linear-gradient(120deg, #1668ff 0%, #43a0ff 100%);
  --content-w: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { width: var(--content-w); max-width: 94vw; margin: 0 auto; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: var(--content-w); max-width: 94vw; margin: 0 auto;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; font-style: italic;
  box-shadow: 0 4px 14px rgba(22, 104, 255, .35);
}
.logo small { display: block; font-size: 10px; color: var(--ink-3); font-weight: 400; letter-spacing: 2px; }
.nav-links { display: flex; gap: 42px; align-items: center; }
.nav-links a {
  font-size: 15px; color: var(--ink-2); position: relative; padding: 6px 0; transition: color .2s;
}
.nav-links a:hover { color: var(--theme); }
.nav-links a.active { color: var(--theme); font-weight: 600; }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 3px; border-radius: 3px; background: var(--grad);
}
.nav-cta {
  padding: 10px 26px; border-radius: 999px; background: var(--grad); color: #fff;
  font-size: 14px; font-weight: 500; box-shadow: 0 4px 14px rgba(22, 104, 255, .35);
  transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(22, 104, 255, .45); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1200px 600px at 75% -10%, #e8f2ff 0%, transparent 60%), var(--white);
  padding: 96px 0 90px;
}
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; pointer-events: none; }
.orb-1 { width: 460px; height: 460px; background: #bcd9ff; top: -140px; left: -120px; animation: drift 14s ease-in-out infinite alternate; }
.orb-2 { width: 380px; height: 380px; background: #cfbaff; bottom: -160px; right: -80px; animation: drift 18s ease-in-out infinite alternate-reverse; }
.orb-3 { width: 260px; height: 260px; background: #a8ecff; top: 40%; left: 55%; animation: drift 16s ease-in-out infinite alternate; }
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(60px, 30px) scale(1.12); }
}

.hero-inner { position: relative; display: flex; align-items: center; gap: 60px; }
.hero-text { flex: 1.15; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); color: var(--theme);
  font-size: 13px; font-weight: 500; box-shadow: 0 2px 10px rgba(22, 104, 255, .08);
}
.badge::before { content: "✦"; font-size: 11px; }
.hero-title { font-size: 52px; font-weight: 700; line-height: 1.28; letter-spacing: 1px; }
.hero-title .grad {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { margin-top: 20px; font-size: 17px; color: var(--ink-2); max-width: 560px; }
.hero-actions { display: flex; gap: 18px; margin-top: 38px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 34px; border-radius: 999px; font-size: 15px; font-weight: 500;
  transition: transform .2s, box-shadow .2s; cursor: pointer; border: none;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 24px rgba(22, 104, 255, .35); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(22, 104, 255, .45); }
.btn-ghost { background: #fff; color: var(--theme); border: 1.5px solid #bcd9ff; }
.btn-ghost:hover { border-color: var(--theme); transform: translateY(-3px); }

.hero-visual { flex: 1; position: relative; }
.hero-card {
  background: rgba(255, 255, 255, .8); backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .9); border-radius: 24px;
  box-shadow: var(--shadow-lg); padding: 34px; position: relative;
}
.float-chip {
  position: absolute; background: #fff; border-radius: 14px; padding: 12px 18px;
  box-shadow: var(--shadow-lg); font-size: 13px; color: var(--ink-2); font-weight: 500;
  display: flex; align-items: center; gap: 8px; animation: floaty 5s ease-in-out infinite;
}
.float-chip b { color: var(--theme); font-size: 16px; }
.chip-1 { top: -26px; right: 30px; }
.chip-2 { bottom: -24px; left: 10px; animation-delay: 1.6s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* 学习机/界面示意 */
.mock {
  border-radius: 16px; background: linear-gradient(160deg, #f2f8ff, #e6f1ff);
  border: 1px solid var(--line); padding: 22px;
}
.mock-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.mock-title { font-size: 16px; font-weight: 700; color: var(--theme); }
.mock-bar { height: 10px; border-radius: 6px; background: #d8e8ff; overflow: hidden; margin-bottom: 12px; }
.mock-bar i { display: block; height: 100%; border-radius: 6px; background: var(--grad); }
.mock-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.mock-item {
  background: #fff; border-radius: 10px; padding: 14px 10px; text-align: center;
  font-size: 12px; color: var(--ink-2); box-shadow: 0 2px 8px rgba(22,104,255,.08);
}
.mock-item em { display: block; font-style: normal; font-size: 20px; margin-bottom: 4px; }
.mock-item b { color: var(--theme); display: block; font-size: 15px; }

/* ---------- 通用 Section ---------- */
.section { padding: 96px 0; }
.section.bg-soft { background: linear-gradient(180deg, #f7faff 0%, #fff 100%); }
.sec-head { text-align: center; margin-bottom: 60px; }
.sec-label {
  font-size: 13px; letter-spacing: 5px; text-transform: uppercase;
  color: var(--theme-light); font-weight: 600; margin-bottom: 10px;
}
.sec-title { font-size: 38px; font-weight: 700; letter-spacing: 1px; }
.sec-title .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sec-desc { margin-top: 16px; color: var(--ink-3); font-size: 16px; }

/* ---------- 产品卡片 ---------- */
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.product-card {
  position: relative; border-radius: 22px; overflow: hidden;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
  padding: 44px 40px; transition: transform .25s, box-shadow .25s;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: var(--grad);
}
.product-icon {
  width: 60px; height: 60px; border-radius: 16px; font-size: 30px;
  background: linear-gradient(160deg, #e8f2ff, #d5e8ff);
  display: flex; align-items: center; justify-content: center; margin-bottom: 22px;
}
.product-card h3 { font-size: 24px; margin-bottom: 8px; }
.product-card .en { font-size: 12px; letter-spacing: 3px; color: var(--theme-light); text-transform: uppercase; }
.product-card p { color: var(--ink-2); font-size: 15px; margin: 14px 0 20px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 12.5px; color: var(--theme); background: #edf4ff;
  border-radius: 6px; padding: 5px 12px; font-weight: 500;
}

/* ---------- 数据带 ---------- */
.stats-band {
  background: var(--grad); border-radius: 26px; padding: 50px 24px;
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.stats-band::after {
  content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%;
  background: rgba(255,255,255,.12); filter: blur(60px); top: -100px; right: -60px;
}
.stat { text-align: center; color: #fff; position: relative; z-index: 1; }
.stat b { font-size: 36px; font-weight: 700; }
.stat b span { font-size: 22px; font-weight: 600; }
.stat span { display: block; font-size: 13px; opacity: .92; margin-top: 4px; letter-spacing: 1px; }

/* ---------- 弹幕墙 ---------- */
.danmaku {
  overflow: hidden; position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.danmaku-track { display: flex; gap: 18px; width: max-content; animation: marquee 42s linear infinite; }
.danmaku-track.rev { animation-direction: reverse; animation-duration: 50s; margin-top: 18px; }
@keyframes marquee { to { transform: translateX(-50%); } }
.danmaku-item {
  flex-shrink: 0; background: #fff; border: 1px solid var(--line);
  border-radius: 999px; padding: 12px 24px; font-size: 14px; color: var(--ink-2);
  box-shadow: 0 3px 12px rgba(22,104,255,.07); display: flex; align-items: center; gap: 8px;
}
.danmaku-item::before { content: "“"; color: var(--theme-light); font-size: 20px; font-weight: 700; }

/* ---------- 时间线 ---------- */
.timeline { position: relative; padding: 10px 0; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 3px;
  transform: translateX(-50%); background: linear-gradient(180deg, #bcd9ff, var(--theme));
  border-radius: 3px;
}
.tl-item { display: flex; align-items: center; margin-bottom: 32px; position: relative; }
.tl-item:nth-child(odd) { flex-direction: row-reverse; }
.tl-card {
  width: 44%; background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 28px; box-shadow: var(--shadow);
}
.tl-card b { display: block; font-size: 20px; color: var(--theme); margin-bottom: 6px; }
.tl-card span { color: var(--ink-2); font-size: 14.5px; }
.tl-dot {
  position: absolute; left: 50%; transform: translateX(-50%);
  width: 18px; height: 18px; border-radius: 50%; background: #fff;
  border: 4px solid var(--theme); box-shadow: 0 0 0 6px rgba(22,104,255,.15); z-index: 1;
}
.tl-year {
  position: absolute; left: 50%; transform: translateX(-50%);
  top: -34px; font-weight: 700; color: var(--theme); font-size: 15px; letter-spacing: 1px;
}

/* ---------- 合作伙伴 ---------- */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.partner-cell {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  height: 84px; display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 600; color: var(--ink-2);
  transition: all .2s; cursor: default;
}
.partner-cell:hover { border-color: var(--theme-light); color: var(--theme); box-shadow: var(--shadow); }

/* ---------- 联系表单 ---------- */
.contact-wrap {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center;
}
.contact-info h3 { font-size: 30px; margin-bottom: 14px; }
.contact-info p { color: var(--ink-2); margin-bottom: 26px; }
.contact-line { display: flex; gap: 14px; align-items: center; margin-bottom: 18px; color: var(--ink-2); font-size: 15px; }
.contact-line .ico {
  width: 42px; height: 42px; border-radius: 12px; background: #edf4ff;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.contact-form {
  background: #fff; border: 1px solid var(--line); border-radius: 22px;
  padding: 40px; box-shadow: var(--shadow-lg);
}
.contact-form h4 { font-size: 20px; margin-bottom: 24px; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 13.5px; color: var(--ink-2); margin-bottom: 8px; font-weight: 500; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px;
  padding: 12px 16px; font-size: 14.5px; font-family: inherit; outline: none; transition: border .2s;
  background: #fbfdff;
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--theme); }
.form-row textarea { resize: vertical; min-height: 90px; }
.form-tip { font-size: 12.5px; color: var(--ink-3); margin-top: 10px; }

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative; overflow: hidden; padding: 78px 0 64px;
  background: radial-gradient(800px 400px at 20% 0%, #e8f2ff 0%, transparent 55%),
              radial-gradient(700px 380px at 85% 100%, #eef0ff 0%, transparent 55%), #fff;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: 42px; font-weight: 700; margin-bottom: 12px; }
.page-hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-hero p { color: var(--ink-2); font-size: 16px; max-width: 640px; }
.crumb { font-size: 13px; color: var(--ink-3); margin-bottom: 18px; }
.crumb a:hover { color: var(--theme); }
.crumb i { font-style: normal; margin: 0 6px; color: #c3cddf; }

/* ---------- 功能特性卡 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 34px 28px; box-shadow: 0 4px 16px rgba(22,104,255,.06);
  transition: transform .22s, box-shadow .22s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-card .fi {
  width: 52px; height: 52px; border-radius: 14px; font-size: 26px;
  background: linear-gradient(160deg, #e8f2ff, #d5e8ff);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.feature-card h3 { font-size: 19px; margin-bottom: 10px; }
.feature-card p { font-size: 14.5px; color: var(--ink-2); }
.num-badge { font-size: 13px; color: var(--theme-light); font-weight: 700; letter-spacing: 2px; display: block; margin-bottom: 8px; }

/* ---------- Tabs ---------- */
.tabs { display: flex; justify-content: center; gap: 14px; margin-bottom: 44px; }
.tab-btn {
  padding: 12px 36px; border-radius: 999px; border: 1.5px solid var(--line);
  background: #fff; font-size: 15px; color: var(--ink-2); cursor: pointer;
  font-family: inherit; transition: all .2s;
}
.tab-btn.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 6px 18px rgba(22,104,255,.3); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .45s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ---------- 岗位卡片 ---------- */
.job-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.job-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 28px 24px; text-align: center; transition: all .22s; cursor: pointer;
}
.job-card:hover { border-color: var(--theme-light); transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.job-card .ji {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 14px;
  background: linear-gradient(160deg, #e8f2ff, #d5e8ff);
  display: flex; align-items: center; justify-content: center; font-size: 26px;
}
.job-card h4 { font-size: 16.5px; margin-bottom: 6px; }
.job-card span { font-size: 13px; color: var(--ink-3); }

/* ---------- 寄语 ---------- */
.quote-section { position: relative; }
.quote-mark {
  position: absolute; font-size: 150px; color: #e4efff; font-weight: 700; line-height: 1;
  font-family: Georgia, serif; user-select: none;
}
.quote-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.quote-card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: 34px 32px; box-shadow: var(--shadow);
}
.quote-card .q-en { font-size: 12px; letter-spacing: 3px; color: var(--theme-light); text-transform: uppercase; margin-bottom: 6px; }
.quote-card h3 { font-size: 21px; margin-bottom: 14px; }
.quote-card p { color: var(--ink-2); font-size: 14.5px; margin-bottom: 18px; }
.quote-author { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--grad);
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 15px;
}
.quote-author b { font-size: 15px; display: block; }
.quote-author span { font-size: 12.5px; color: var(--ink-3); }

/* ---------- 里程碑横向(关于页) ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.about-grid h3 { font-size: 30px; margin-bottom: 18px; }
.about-grid p { color: var(--ink-2); margin-bottom: 14px; font-size: 15.5px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card {
  text-align: center; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 30px 20px;
}
.value-card b { display: block; font-size: 18px; color: var(--theme); margin-bottom: 8px; }
.value-card span { font-size: 13.5px; color: var(--ink-2); }

/* ---------- 页脚 ---------- */
.footer { background: #0b1e3f; color: #c6d4ec; padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer h5 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 600; }
.footer a, .footer li { font-size: 14px; color: #9fb2d4; line-height: 2.2; }
.footer a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .logo-mark { background: var(--grad); }
.footer-brand span { color: #fff; font-size: 19px; font-weight: 700; }
.footer p { font-size: 13.5px; color: #9fb2d4; max-width: 300px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px;
  display: flex; justify-content: space-between; font-size: 13px; color: #7c90b5;
}

/* ---------- 汉堡菜单按钮（仅移动端显示） ---------- */
.nav-burger {
  display: none; width: 42px; height: 42px; border: none; background: none;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  cursor: pointer; border-radius: 10px;
}
.nav-burger span {
  display: block; width: 22px; height: 2.5px; border-radius: 2px;
  background: var(--ink); transition: transform .25s, opacity .25s;
}
.nav.open .nav-burger span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav.open .nav-burger span:nth-child(2) { opacity: 0; }
.nav.open .nav-burger span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { flex-direction: column; gap: 40px; }
  .product-grid, .quote-grid, .about-grid, .contact-wrap { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .job-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-band { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .timeline::before { left: 20px; }
  .tl-item, .tl-item:nth-child(odd) { flex-direction: row; padding-left: 56px; }
  .tl-card { width: 100%; }
  .tl-dot, .tl-year { left: 20px; transform: none; }
  .tl-year { left: 46px; top: -30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 38px; }

  /* 移动端导航：汉堡按钮 + 下拉菜单 */
  .nav-burger { display: flex; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    display: flex; flex-direction: column; gap: 0;
    background: #fff; padding: 8px 22px 18px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 40px rgba(11, 30, 63, .12);
    transform: translateY(-10px); opacity: 0; pointer-events: none;
    transition: transform .25s ease, opacity .25s ease;
  }
  .nav.open .nav-links { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 13px 4px; font-size: 16px; border-bottom: 1px solid #f0f5fd; }
  .nav-links a:last-of-type { border-bottom: none; }
  .nav-links a.active::after { display: none; }
  .nav-links .nav-cta { text-align: center; margin-top: 10px; padding: 12px 0; border-radius: 999px; }
}

@media (max-width: 768px) {
  .section { padding: 54px 0; }
  .sec-head { margin-bottom: 36px; }
  .sec-title { font-size: 26px; }
  .sec-desc { font-size: 14.5px; }

  .logo { font-size: 18px; }
  .logo-mark { width: 32px; height: 32px; font-size: 16px; border-radius: 8px; }
  .logo small { font-size: 8px; letter-spacing: 1.5px; }
  .nav-inner { height: 60px; }
  .nav-links { top: 60px; }

  .hero { padding: 48px 0 54px; }
  .hero-title { font-size: 30px; line-height: 1.35; }
  .hero-sub { font-size: 15px; margin-top: 14px; }
  .hero-badges { gap: 8px; }
  .badge { font-size: 12px; padding: 5px 12px; }
  .hero-actions { flex-wrap: wrap; gap: 12px; margin-top: 26px; }
  .btn { padding: 12px 26px; font-size: 14px; }
  .hero-card { padding: 20px; }
  .float-chip { font-size: 12px; padding: 8px 14px; }
  .chip-1 { top: -20px; right: 8px; }
  .chip-2 { bottom: -18px; left: 6px; }
  .mock { padding: 16px; }
  .mock-item { font-size: 11px; padding: 10px 6px; }
  .mock-item b { font-size: 13px; }

  .stats-band { padding: 34px 14px; border-radius: 20px; }
  .stat b { font-size: 26px; }
  .stat b span { font-size: 16px; }
  .stat span { font-size: 11.5px; }

  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 26px 22px; }
  .product-card { padding: 28px 22px; }
  .product-card h3 { font-size: 20px; }

  .danmaku-item { font-size: 13px; padding: 10px 16px; }

  .tl-item { margin-bottom: 40px; }
  .tl-card { padding: 18px 18px; }
  .tl-card b { font-size: 17px; }
  .tl-card span { font-size: 13px; }
  .tl-year { font-size: 13px; top: -26px; }

  .partner-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .partner-cell { height: 62px; font-size: 14px; }

  .page-hero { padding: 40px 0 38px; }
  .page-hero h1 { font-size: 27px; }
  .page-hero p { font-size: 14.5px; }

  .tabs { gap: 10px; margin-bottom: 30px; }
  .tab-btn { padding: 10px 24px; font-size: 14px; }
  .job-grid { grid-template-columns: 1fr; }

  .quote-card { padding: 24px 20px; }
  .quote-card h3 { font-size: 18px; }

  .contact-form { padding: 24px 18px; }
  .contact-info h3 { font-size: 24px; }

  .footer { padding: 44px 0 24px; }
  .footer-grid { gap: 26px; margin-bottom: 34px; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 25px; }
  .sec-title { font-size: 22px; }
  .page-hero h1 { font-size: 23px; }
  .stats-band { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
  .stat b { font-size: 22px; }
  .stat b span { font-size: 14px; }
  .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .quote-mark { display: none; }
}