/* ============================================================
   约克顿语言服务 · 官网样式
   Yokton Language Services — Website Styles
   ============================================================ */

/* ---------- 设计变量 Design Tokens ---------- */
:root {
  /* 品牌色（深蓝，取自约克顿 PPT 主题色）*/
  --navy-900: #001f3f;
  --navy-800: #002b5c;
  --navy-700: #003366;   /* 主色 */
  --navy-600: #003d7a;
  --navy-500: #004a99;

  /* 点缀色（约克顿绿，取自 PPT 00B050）*/
  --cyan-500: #00b050;
  --cyan-400: #1ec574;
  --cyan-100: #d6f5e4;

  /* 功能色 */
  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-400: #94a3b8;
  --ink-200: #e2e8f0;
  --ink-100: #f1f5f9;
  --ink-50:  #f8fafc;
  --white:   #ffffff;
  --success: #16a34a;
  --danger:  #dc2626;

  /* 间距 */
  --space-section: 96px;
  --container: 1200px;

  /* 圆角 */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow:    0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.14);

  /* 字体 */
  --font-cn: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
             "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", sans-serif;
  --font-en: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
             Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", ui-monospace, "Cascadia Code", monospace;
}

/* ---------- 重置 Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-cn);
  color: var(--ink-900);
  background: var(--white);
  line-height: 1.7;
  -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 { font: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
input, textarea, select { font: inherit; color: inherit; }

/* ---------- 通用工具 Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--space-section) 0; }
.section--tint  { background: var(--ink-50); }
.section--navy  { background: linear-gradient(160deg, var(--navy-800), var(--navy-900)); color: var(--white); }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-500);
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink-900);
}
.section--navy .section-title { color: var(--white); }
.section-sub {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--ink-500);
}
.section--navy .section-sub { color: var(--ink-200); }

/* ---------- 按钮 Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 999px;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; }

.btn--primary {
  background: var(--cyan-500);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.35);
}
.btn--primary:hover { background: var(--cyan-400); box-shadow: 0 12px 28px rgba(14, 165, 233, 0.45); }

.btn--navy {
  background: var(--navy-700);
  color: var(--white);
}
.btn--navy:hover { background: var(--navy-600); }

.btn--ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.2); }

.btn--outline {
  background: transparent;
  color: var(--navy-700);
  border: 1.5px solid var(--ink-200);
}
.btn--outline:hover { border-color: var(--navy-700); background: var(--ink-50); }

/* ============================================================
   导航栏 Header
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.header--scrolled {
  border-bottom-color: var(--ink-200);
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em; color: var(--navy-700); }
.brand-mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--navy-700), var(--cyan-500));
  color: var(--white);
  border-radius: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}
.brand-text small { display: block; font-size: 0.62rem; font-weight: 600; letter-spacing: 0.16em; color: var(--ink-400); text-transform: uppercase; }

/* Logo 图片 */
.brand-logo {
  height: 40px;
  width: auto;
  display: block;
}
/* 深色背景下的 Logo（页脚）：使用白色文字版 logo-white.png */
.footer .brand-logo { opacity: 0.95; }

/* 桌面菜单 */
.nav-menu { display: flex; align-items: center; gap: 2px; }
.nav-menu a {
  padding: 8px 11px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-700);
  border-radius: 8px;
  white-space: nowrap;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-menu a:hover { color: var(--navy-700); background: var(--ink-100); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

/* 语言切换 */
.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  background: var(--ink-100);
  border-radius: 999px;
}
.lang-switch a {
  padding: 5px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-500);
  border-radius: 999px;
  transition: all 0.15s ease;
}
.lang-switch a.is-active { background: var(--white); color: var(--navy-700); box-shadow: var(--shadow-sm); }

.nav-cta { padding: 10px 20px; font-size: 0.92rem; }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  border-radius: 10px;
  color: var(--navy-700);
}
.nav-toggle:hover { background: var(--ink-100); }
.nav-toggle svg { width: 24px; height: 24px; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding: 128px 0 96px;
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 55%, var(--navy-600) 100%);
  color: var(--white);
  overflow: hidden;
}
/* 背景装饰光斑 */
.hero::before, .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
}
.hero::before {
  width: 480px; height: 480px;
  background: radial-gradient(circle, var(--cyan-500), transparent 70%);
  top: -120px; right: -80px;
}
.hero::after {
  width: 380px; height: 380px;
  background: radial-gradient(circle, var(--navy-500), transparent 70%);
  bottom: -140px; left: -100px;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 0.85rem; font-weight: 600;
  margin-bottom: 26px;
  backdrop-filter: blur(6px);
}
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 12px var(--cyan-400); }
.hero h1 {
  font-size: clamp(2.3rem, 5.2vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--cyan-400), var(--cyan-500));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead {
  margin-top: 24px;
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--ink-200);
  max-width: 540px;
}
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; }
.hero-trust { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 28px; color: var(--ink-400); font-size: 0.9rem; }
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust svg { width: 18px; height: 18px; color: var(--cyan-400); }

/* Hero 卡片视觉 */
.hero-visual { position: relative; }
.lang-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.lang-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(8px);
  transition: transform 0.25s ease, background 0.25s ease;
}
.lang-card:hover { transform: translateY(-4px); background: rgba(255, 255, 255, 0.14); }
.lang-card .code { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700; color: var(--cyan-400); letter-spacing: 0.1em; }
.lang-card .name { margin-top: 6px; font-size: 1.15rem; font-weight: 700; }
.lang-card .meta { margin-top: 4px; font-size: 0.82rem; color: var(--ink-400); }
.lang-card.featured { grid-column: span 2; background: linear-gradient(135deg, rgba(14,165,233,0.25), rgba(30,58,138,0.4)); }

/* ============================================================
   关于我们 / 数据统计
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-text h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.about-text > p { margin-top: 20px; color: var(--ink-500); font-size: 1.05rem; }
.about-bullets { margin-top: 28px; display: grid; gap: 14px; }
.about-bullets li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-700); }
.about-bullets svg { width: 22px; height: 22px; color: var(--cyan-500); flex-shrink: 0; margin-top: 2px; }
.about-bullets strong { color: var(--ink-900); }

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.stat {
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.stat .num {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  background: linear-gradient(120deg, var(--navy-700), var(--cyan-500));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat .num .suffix { -webkit-text-fill-color: var(--cyan-500); }
.stat .label { margin-top: 10px; font-size: 0.92rem; color: var(--ink-500); font-weight: 500; }

/* ============================================================
   服务卡片网格（通用）
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--cyan-100), #ecfeff);
  color: var(--navy-700);
  margin-bottom: 22px;
}
.card-icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 1.28rem; font-weight: 700; letter-spacing: -0.01em; }
.card > p { margin-top: 10px; color: var(--ink-500); font-size: 0.98rem; }
.card .card-list { margin-top: 16px; display: grid; gap: 8px; }
.card .card-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.92rem; color: var(--ink-700); }
.card .card-list svg { width: 18px; height: 18px; color: var(--cyan-500); flex-shrink: 0; margin-top: 2px; }

/* 深色板块下的卡片 */
.section--navy .card { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.12); }
.section--navy .card:hover { background: rgba(255,255,255,0.09); }
.section--navy .card-icon { background: rgba(14,165,233,0.18); color: var(--cyan-400); }
.section--navy .card h3 { color: var(--white); }
.section--navy .card > p, .section--navy .card .card-list li { color: var(--ink-200); }

/* ============================================================
   行业标签
   ============================================================ */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.industry {
  display: flex; align-items: center; gap: 16px;
  padding: 22px 24px;
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius);
  transition: all 0.2s ease;
}
.industry:hover { border-color: var(--cyan-500); transform: translateY(-3px); box-shadow: var(--shadow); }
.industry-ico { width: 46px; height: 46px; display: grid; place-items: center; background: var(--cyan-100); color: var(--navy-700); border-radius: 12px; flex-shrink: 0; }
.industry-ico svg { width: 24px; height: 24px; }
.industry h4 { font-size: 1.05rem; font-weight: 700; }
.industry p { font-size: 0.85rem; color: var(--ink-500); }

/* ============================================================
   流程时间线
   ============================================================ */
.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step {
  position: relative;
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step-num {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--navy-700), var(--cyan-500));
  color: var(--white);
  font-weight: 800;
  border-radius: 12px;
  margin-bottom: 18px;
}
.step h3 { font-size: 1.15rem; font-weight: 700; }
.step p { margin-top: 8px; color: var(--ink-500); font-size: 0.95rem; }

/* ============================================================
   优势 / Why Choose Us
   ============================================================ */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.adv {
  padding: 30px 28px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  transition: background 0.2s ease, transform 0.2s ease;
}
.adv:hover { background: rgba(255,255,255,0.09); transform: translateY(-4px); }
.adv-ico { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 12px; background: rgba(14,165,233,0.18); color: var(--cyan-400); margin-bottom: 18px; }
.adv-ico svg { width: 26px; height: 26px; }
.adv h3 { font-size: 1.15rem; font-weight: 700; color: var(--white); }
.adv p { margin-top: 8px; color: var(--ink-200); font-size: 0.95rem; }

/* ============================================================
   CTA 横幅
   ============================================================ */
.cta-banner {
  position: relative;
  background: linear-gradient(120deg, var(--navy-700), var(--navy-600) 60%, var(--cyan-500));
  border-radius: var(--radius-lg);
  padding: 56px 56px;
  color: var(--white);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 90% 10%, rgba(255,255,255,0.18), transparent 50%);
  pointer-events: none;
}
.cta-banner h3 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; position: relative; }
.cta-banner p { margin-top: 8px; color: var(--ink-100); position: relative; }
.cta-banner .btn { position: relative; }

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.contact-info h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); font-weight: 800; letter-spacing: -0.02em; }
.contact-info > p { margin-top: 16px; color: var(--ink-500); font-size: 1.05rem; }
.contact-list { margin-top: 32px; display: grid; gap: 22px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item-ico { width: 46px; height: 46px; display: grid; place-items: center; background: var(--cyan-100); color: var(--navy-700); border-radius: 12px; flex-shrink: 0; }
.contact-item-ico svg { width: 22px; height: 22px; }
.contact-item .k { font-size: 0.82rem; color: var(--ink-400); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.contact-item .v { font-size: 1.05rem; font-weight: 600; color: var(--ink-900); margin-top: 2px; }

/* 表单 */
.form-card {
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--ink-700); margin-bottom: 7px; }
.field label .req { color: var(--danger); }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 12px 14px;
  background: var(--ink-50);
  border: 1.5px solid var(--ink-200);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, background 0.15s ease;
  outline: none;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--cyan-500); background: var(--white); }
.field textarea { resize: vertical; min-height: 120px; }
.field .error-msg { display: none; margin-top: 6px; font-size: 0.82rem; color: var(--danger); }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: var(--danger); }
.field.has-error .error-msg { display: block; }

.form-note { font-size: 0.82rem; color: var(--ink-400); margin-top: 4px; }
.form-success {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
}
.form-success.is-visible { display: flex; gap: 10px; align-items: flex-start; }
.form-success svg { width: 20px; height: 20px; flex-shrink: 0; }

.form-error {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
}
.form-error.is-visible { display: flex; gap: 10px; align-items: flex-start; }
.form-error svg { width: 20px; height: 20px; flex-shrink: 0; }
.form-error a { color: inherit; font-weight: 600; }

/* ============================================================
   页脚 Footer
   ============================================================ */
.footer { background: var(--navy-900); color: var(--ink-400); padding: 72px 0 32px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer .brand { color: var(--white); margin-bottom: 20px; }
.footer-about p { font-size: 0.92rem; line-height: 1.7; max-width: 320px; }
.footer-col h5 { color: var(--white); font-size: 0.95rem; font-weight: 700; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { font-size: 0.92rem; transition: color 0.15s ease; }
.footer-col a:hover { color: var(--cyan-400); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  padding-top: 28px;
  font-size: 0.85rem;
}
.footer-bottom a:hover { color: var(--cyan-400); }

/* ============================================================
   服务语种板块
   ============================================================ */
.lang-section-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.lang-group {
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.lang-group:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.lang-group-head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--cyan-100);
}
.lang-group-ico {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy-700), var(--cyan-500));
  color: var(--white);
  flex-shrink: 0;
}
.lang-group-ico svg { width: 22px; height: 22px; }
.lang-group h3 { font-size: 1.15rem; font-weight: 700; }
.lang-group h3 small { display: block; font-size: 0.78rem; font-weight: 500; color: var(--ink-400); margin-top: 2px; }
.lang-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.lang-tag {
  padding: 6px 12px;
  font-size: 0.88rem;
  background: var(--ink-50);
  border: 1px solid var(--ink-200);
  border-radius: 999px;
  color: var(--ink-700);
  transition: all 0.15s ease;
}
.lang-tag:hover { border-color: var(--cyan-500); color: var(--navy-700); background: var(--cyan-100); }

/* 笔译形式说明 */
.translate-types {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.translate-type {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ink-200);
  background: var(--white);
}
.translate-type--native {
  background: linear-gradient(135deg, rgba(0,176,80,0.06), rgba(0,51,102,0.04));
  border-color: var(--cyan-100);
}
.translate-type h4 { font-size: 1.1rem; font-weight: 700; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.translate-type h4 .badge {
  font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  background: var(--cyan-500); color: var(--white);
}
.translate-type--native h4 .badge { background: var(--navy-700); }
.translate-type p { font-size: 0.92rem; color: var(--ink-500); margin-bottom: 14px; line-height: 1.6; }
.translate-type ul { display: grid; gap: 8px; }
.translate-type li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.92rem; color: var(--ink-700); }
.translate-type li svg { width: 18px; height: 18px; color: var(--cyan-500); flex-shrink: 0; margin-top: 2px; }

/* ============================================================
   文件类型标签云
   ============================================================ */
.doc-types {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 920px;
  margin: 0 auto;
}
.doc-tag {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-sm);
  color: var(--ink-700);
  transition: all 0.15s ease;
}
.doc-tag:hover { border-color: var(--cyan-500); color: var(--navy-700); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ============================================================
   成功案例板块
   ============================================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--white);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.case-head {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink-100);
}
.case-ico {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan-100), #ecfeff);
  color: var(--navy-700);
  flex-shrink: 0;
}
.case-ico svg { width: 26px; height: 26px; }
.case-card h3 { font-size: 1.2rem; font-weight: 700; }
.case-card h3 small { display: block; font-size: 0.78rem; font-weight: 500; color: var(--ink-400); margin-top: 2px; }
.case-list { display: grid; gap: 9px; }
.case-list li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 0.9rem; color: var(--ink-700); line-height: 1.5;
}
.case-list li svg { width: 16px; height: 16px; color: var(--cyan-500); flex-shrink: 0; margin-top: 3px; }

/* ============================================================
   滚动入场动画
   ============================================================ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal[data-delay="5"] { transition-delay: 0.40s; }

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

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  :root { --space-section: 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 520px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .card-grid, .industry-grid, .process, .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .lang-section-grid { grid-template-columns: 1fr; }
  .translate-types, .case-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  :root { --space-section: 64px; }
  .container { padding: 0 20px; }

  /* 移动端菜单 */
  .nav-menu {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--ink-200);
    padding: 12px 20px 20px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-130%);
    transition: transform 0.3s ease;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  .nav-menu.is-open { transform: translateY(0); }
  .nav-menu a { padding: 14px 12px; border-radius: 10px; border-bottom: 1px solid var(--ink-100); }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .hero { padding: 132px 0 80px; }
  .hero-trust { gap: 18px; }

  .cta-banner { padding: 36px 28px; flex-direction: column; align-items: flex-start; }

  .form-card { padding: 26px 22px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .card-grid, .industry-grid, .process, .adv-grid, .stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}