/**
 * HormLab Portal · 商务合作页样式
 */

/* 页头 */
.page-hero-h1 { font-size: clamp(30px, 4.6vw, 44px); font-weight: 800; line-height: 1.25; margin: 18px 0 16px; letter-spacing: -1px; color: #fff; }
.page-hero-lead { color: var(--text-white-soft); font-size: 17px; margin: 0 auto; }
.page-hero-h1 .accent {
  background: var(--gradient-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 合作模式 */
.biz-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.biz-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--r-lg); padding: 30px 26px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.biz-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(91,108,255,.4); }
.biz-icon { margin-bottom: 14px; }
.biz-icon img { width: 64px; height: 64px; object-fit: cover; border-radius: var(--r-md); display: block; }
.biz-title { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.biz-tagline { font-size: 13px; color: var(--primary-blue); font-weight: 600; margin-bottom: 14px; }
.biz-list { list-style: none; padding: 0; margin: 0; }
.biz-list li {
  font-size: 13.5px; color: var(--text-mid); line-height: 1.65;
  padding: 7px 0 7px 20px; position: relative;
  border-bottom: 1px dashed var(--border-light);
}
.biz-list li:last-child { border-bottom: none; }
/* 原来 content:''（空内容），左侧 20px 内边距等于白留 —— 补回对勾标记 */
.biz-list li::before { content: '✓'; position: absolute; left: 2px; color: var(--success); font-weight: 700; }

/* 优势（深色区） */
.adv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 20px; }
.adv-item {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-lg); padding: 28px 24px;
  transition: transform .25s ease, border-color .25s ease;
}
.adv-item:hover { transform: translateY(-4px); border-color: rgba(0,229,199,.4); }
.adv-num {
  font-size: 14px; font-weight: 800; color: var(--cyan-glow);
  letter-spacing: 2px; margin-bottom: 12px;
}
.adv-title { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.adv-desc { font-size: 13.5px; color: var(--text-white-soft); line-height: 1.7; }
.section-dark .section-eyebrow { color: var(--cyan-glow); }
.section-dark .section-h2 { color: #fff; }

/* 合作流程 */
.steps-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; }
.step-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--r-lg); padding: 26px 22px; text-align: center;
  position: relative; transition: transform .25s ease, box-shadow .25s ease;
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-no {
  width: 40px; height: 40px; border-radius: 50%; margin: 0 auto 12px;
  background: var(--gradient-brand); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 800;
  box-shadow: 0 4px 14px rgba(91,108,255,.35);
}
.step-t { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.step-d { font-size: 13px; color: var(--text-mid); line-height: 1.6; }

/* 表单 */
.biz-form {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--r-xl); padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; display: flex; flex-direction: column; gap: 8px; }
.form-field label { font-size: 14px; font-weight: 600; color: var(--text-dark); }
.form-field input, .form-field select, .form-field textarea {
  padding: 13px 16px; border-radius: var(--r-md);
  border: 1.5px solid var(--border-light); font-size: 14.5px;
  color: var(--text-dark); outline: none; font-family: inherit;
  transition: border-color .2s ease; background: #fff;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--primary-blue); }
.form-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 6px; }
.form-alt { font-size: 14px; color: var(--text-mid); }
.form-alt strong { color: var(--primary-blue); }
.form-ok {
  margin-top: 20px; padding: 16px 20px; border-radius: var(--r-md);
  background: rgba(16,185,129,.07); border: 1px solid rgba(16,185,129,.35);
  color: var(--success); font-size: 14.5px; font-weight: 600;
}

/* 响应式 */
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .biz-form { padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .biz-card, .adv-item, .step-card { transition: none; }
}

/* ============ 商务合作邮箱 ============ */
.biz-mail {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 16px; font-weight: 700;
  color: var(--primary-blue);
  padding: 12px 20px;
  background: rgba(91,108,255,0.06);
  border: 1px solid rgba(91,108,255,0.2);
  border-radius: 10px;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease;
}
.biz-mail:hover { background: rgba(91,108,255,0.12); border-color: var(--primary-blue); }

/* ============================================================
   移动端收口（2026-09-16）—— 一律追加在文件末尾
   修复点：① 表单输入框 font-size 14.5px 低于 iOS 16px 阈值，聚焦时
             Safari 会自动放大整页；② 邮箱按钮/卡片留白/列表字号微调。
   ============================================================ */
@media (max-width: 768px) {
  .page-hero-lead { font-size: 15px; }
  .biz-card { padding: 24px 20px; }
  .biz-title { font-size: 17px; }
  .biz-list li { font-size: 13.5px; }
  .adv-item { padding: 22px 18px; }
  .adv-title { font-size: 16px; }
  .step-card { padding: 22px 18px; }
  .biz-form { padding: 22px 18px; }
  /* iOS Safari：输入框字号 < 16px 时聚焦会缩放页面 */
  .form-field input, .form-field select, .form-field textarea { font-size: 16px; padding: 12px 14px; }
  .form-field label { font-size: 13.5px; }
  .form-actions { gap: 14px; }
  .form-actions > button, .form-actions > a { flex: 1 1 100%; justify-content: center; }
  .biz-mail { display: block; width: 100%; text-align: center; font-size: 15px; padding: 14px 16px; word-break: break-all; }
}

@media (max-width: 560px) {
  .biz-grid, .adv-grid, .steps-strip { gap: 14px; }
  .form-ok { font-size: 14px; padding: 14px 16px; }
  .form-alt { font-size: 13px; }
}