/* Copyright (c) 2026 Boostly Limited (Jianreach 简行智达). All rights reserved.
   Proprietary and confidential — see LICENSE. Unauthorized copying or use is prohibited. */

:root {
  --portal-accent: #6366f1;
  --portal-accent-hover: #5457e5;
  --portal-accent-bg: #eeedfe;
  --portal-accent-text: #3c3489;
  --portal-bg: #fafbfc;
  --portal-surface: #ffffff;
  --portal-surface-muted: #f5f6f8;
  --portal-border: #ececf0;
  --portal-border-strong: #dcdce3;
  --portal-text: #1a1a2e;
  --portal-text-secondary: #5d6b7a;
  --portal-text-muted: #9096a3;
  --portal-success-text: #27500a;
  --portal-success-bg: #eaf3de;
  --portal-warning-text: #854f0b;
  --portal-warning-bg: #faeeda;
  --portal-danger-text: #a32d2d;
  --portal-danger-bg: #f9e3e3;
  --portal-radius-card: 12px;
  --portal-radius-control: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--portal-text);
  background: var(--portal-bg);
}

a { color: var(--portal-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.35; }

/* ===== 头部与导航 ===== */
.site-header {
  background: var(--portal-surface);
  border-bottom: 1px solid var(--portal-border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--portal-text);
}
.site-logo:hover { text-decoration: none; }
.site-logo__mark { flex-shrink: 0; display: block; }
.site-logo__text { display: flex; flex-direction: column; line-height: 1.25; }
.site-logo__name { font-size: 15px; font-weight: 600; white-space: nowrap; }
.site-logo__domain { font-size: 11px; color: var(--portal-text-muted); letter-spacing: 0.4px; }
.site-nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.site-nav__item {
  color: var(--portal-text-secondary);
  padding: 6px 10px;
  border-radius: var(--portal-radius-control);
  font-size: 14px;
}
.site-nav__item:hover { color: var(--portal-text); background: var(--portal-surface-muted); text-decoration: none; }
.site-nav__item--active { color: var(--portal-accent-text); background: var(--portal-accent-bg); }
.site-header__actions { display: flex; gap: 10px; align-items: center; }

.site-btn-primary {
  display: inline-block;
  background: var(--portal-accent);
  color: #fff;
  border: none;
  border-radius: var(--portal-radius-control);
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 500;
}
.site-btn-primary:hover { background: var(--portal-accent-hover); color: #fff; text-decoration: none; }
.site-btn-ghost {
  display: inline-block;
  color: var(--portal-text);
  border: 1px solid var(--portal-border-strong);
  border-radius: var(--portal-radius-control);
  padding: 8px 18px;
  font-size: 14px;
  background: transparent;
}
.site-btn-ghost:hover { border-color: var(--portal-accent); color: var(--portal-accent); text-decoration: none; }

/* ===== 主体 ===== */
.site-main { max-width: 1080px; margin: 0 auto; padding: 32px 20px 64px; }
.section-title { font-size: 24px; margin: 48px 0 8px; text-align: center; }
.section-lead { color: var(--portal-text-secondary); margin: 0 0 24px; text-align: center; }
.section-lead--start { text-align: left; }
.site-updated { color: var(--portal-text-muted); font-size: 13px; margin-top: 40px; }

/* ===== 首页分区 ===== */
.hero { text-align: center; padding: 48px 0 24px; }
.hero__title { font-size: 44px; margin: 0 0 8px; letter-spacing: 2px; }
.hero__tagline { font-size: 20px; color: var(--portal-accent-text); margin: 0 0 12px; font-weight: 500; }
.hero__desc { color: var(--portal-text-secondary); max-width: 620px; margin: 0 auto 24px; }
.hero__ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 32px 0; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 32px 0;
}
.stat {
  background: var(--portal-surface);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius-card);
  padding: 20px;
  text-align: center;
}
.stat__num { font-size: 30px; font-weight: 700; color: var(--portal-accent); }
.stat__label { color: var(--portal-text-secondary); font-size: 13px; margin-top: 4px; }

.code-panel {
  background: #1c1c26;
  color: #ededf2;
  border-radius: var(--portal-radius-card);
  padding: 4px 20px 12px;
  margin: 16px 0;
}
.code-panel__label { color: #a6adba; font-size: 12px; margin: 12px 0 0; }
.code-panel pre { overflow-x: auto; margin: 8px 0; }
.code-panel code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 13px; line-height: 1.6; }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.card {
  background: var(--portal-surface);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius-card);
  padding: 20px 22px;
}
.card__title { font-size: 16px; margin: 0 0 6px; }
.card__desc { color: var(--portal-text-secondary); margin: 0; font-size: 14px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 24px 0; }
.step {
  background: var(--portal-surface);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius-card);
  padding: 20px;
  text-align: center;
}
.step__num {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--portal-accent-bg);
  color: var(--portal-accent-text);
  font-weight: 600;
  margin-bottom: 8px;
}
.step h3 { font-size: 15px; margin: 0 0 4px; }
.step p { color: var(--portal-text-secondary); font-size: 13px; margin: 0; }

.faq-list { max-width: 720px; margin: 0 auto; }
.faq-list details {
  background: var(--portal-surface);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius-control);
  padding: 12px 16px;
  margin-bottom: 10px;
}
.faq-list summary { font-weight: 500; cursor: pointer; }
.faq-list details p { color: var(--portal-text-secondary); margin: 10px 0 2px; font-size: 14px; }
.faq-more { text-align: center; margin: 16px 0 0; }

/* ===== 模型列表页 ===== */
.vendor-group { margin: 32px 0; }
.vendor-group__name { font-size: 20px; margin: 0 0 12px; display: flex; align-items: baseline; gap: 10px; }
.vendor-group__count { font-size: 13px; color: var(--portal-text-muted); font-weight: 400; }
.model-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.model-tag {
  background: var(--portal-surface);
  border: 1px solid var(--portal-border-strong);
  border-radius: 999px;
  padding: 4px 12px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
}

/* ===== 内容页正文 ===== */
.prose { max-width: 760px; margin: 0 auto; }
.prose h1 { font-size: 28px; }
.prose h2 { font-size: 20px; margin-top: 36px; }
.prose h3 { font-size: 16px; margin-top: 24px; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin: 4px 0; }
.prose code {
  background: var(--portal-surface-muted);
  border: 1px solid var(--portal-border);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
}
.prose pre {
  background: #1c1c26;
  color: #ededf2;
  border-radius: var(--portal-radius-card);
  padding: 14px 18px;
  overflow-x: auto;
}
.prose pre code { background: transparent; border: none; color: inherit; padding: 0; }
.prose table { border-collapse: collapse; width: 100%; }
.prose th, .prose td { border: 1px solid var(--portal-border-strong); padding: 8px 12px; text-align: left; font-size: 14px; }
.prose th { background: var(--portal-surface-muted); }
.table-scroll { overflow-x: auto; }

.notice-draft {
  background: var(--portal-warning-bg);
  color: var(--portal-warning-text);
  border-radius: var(--portal-radius-control);
  padding: 10px 16px;
  max-width: 760px;
  margin: 0 auto 24px;
  font-size: 14px;
}

.contact-block {
  background: var(--portal-surface);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius-card);
  padding: 24px;
  max-width: 620px;
  margin: 24px auto;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--portal-surface);
  border-top: 1px solid var(--portal-border);
  padding: 40px 20px 32px;
  margin-top: 48px;
}
.site-footer__cols {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.site-footer__col h4 { margin: 0 0 10px; font-size: 14px; }
.site-footer__col a { display: block; color: var(--portal-text-secondary); font-size: 13px; margin: 6px 0; }
.site-footer__legal {
  max-width: 1080px;
  margin: 28px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--portal-border);
  color: var(--portal-text-muted);
  font-size: 13px;
}
.site-footer__legal a { color: var(--portal-text-muted); }
.site-footer__legal span { margin: 0 6px; }

/* ===== 控制台截图（产品能力页） ===== */
.site-shots { margin: 48px 0; }
.site-shots h2 { font-size: 24px; margin-bottom: 6px; }
.site-shots__lead { color: var(--portal-text-secondary); margin-bottom: 20px; }
.site-shot { margin: 0 0 28px; }
.site-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--portal-border-strong);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(26, 26, 46, 0.08);
}
.site-shot figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--portal-text-muted);
  text-align: center;
}

/* ===== 响应式 ===== */
@media (max-width: 720px) {
  /* 头部两行：第一行 logo+登录/注册，第二行导航横向流式 */
  .site-header__inner { gap: 8px 12px; }
  .site-nav { flex: 1 1 100%; order: 3; }
  .site-nav__item { padding: 9px 12px; } /* 点击区 ≥40px（SEO_GEO_STANDARD §8） */
  .site-logo__name { font-size: 14px; }
  .hero__title { font-size: 32px; }
  .stats, .cards, .steps { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .site-footer__cols { grid-template-columns: 1fr 1fr; }
  .site-header__actions { margin-left: auto; }
}