/* ============================================================
   逐梦国际官网 · 全局样式系统
   国际招聘与人才AI大模型 / 海外求职 / 技能匹配 / 职业规划
   ============================================================ */

:root {
  /* 品牌色板：暖白 / 职业深蓝 / 人才青 / 石墨灰 / 成长绿 / 机会紫 */
  --color-bg: #faf8f4;
  --color-bg-alt: #f2efe8;
  --color-surface: #ffffff;
  --color-surface-tint: #eef3f6;
  --color-ink: #1c2430;
  --color-ink-soft: #3d4753;
  --color-muted: #6b7480;
  --color-line: #e2ddd2;
  --color-line-soft: #ece7dc;

  --color-navy: #16324f;
  --color-navy-deep: #0e2038;
  --color-teal: #1f8a8c;
  --color-teal-soft: #d8ecec;
  --color-green: #3c7a4e;
  --color-green-soft: #dcece0;
  --color-purple: #6a5a9c;
  --color-purple-soft: #e6e1f2;
  --color-amber: #b6822a;
  --color-amber-soft: #f3e6cc;
  --color-red: #a3423a;
  --color-red-soft: #f2ded9;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Songti SC", "STSong", serif;

  --radius-s: 6px;
  --radius-m: 12px;
  --radius-l: 20px;
  --shadow-card: 0 1px 2px rgba(22, 50, 79, 0.06), 0 8px 24px rgba(22, 50, 79, 0.06);
  --shadow-pop: 0 12px 36px rgba(22, 50, 79, 0.14);
  --maxw: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-base);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--color-navy); text-decoration: none; }
a:hover { color: var(--color-teal); }
ul, ol { padding-left: 1.3em; }
h1, h2, h3, h4 { font-family: var(--font-base); font-weight: 700; color: var(--color-ink); line-height: 1.35; margin: 0 0 0.6em; }
h1 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.95rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
h4 { font-size: 1.05rem; }
p { margin: 0 0 1em; color: var(--color-ink-soft); }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section--tight { padding: 40px 0; }
.section--alt { background: var(--color-bg-alt); }
.section--surface { background: var(--color-surface); }
.section--navy { background: linear-gradient(160deg, var(--color-navy-deep), var(--color-navy)); color: #f3f1ea; }
.section--navy h2, .section--navy h3, .section--navy p { color: #f3f1ea; }
.section--navy .muted { color: #b9c3cf; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-teal); font-weight: 700; margin-bottom: 12px;
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--color-teal); display: inline-block; }
.lead { font-size: 1.1rem; color: var(--color-ink-soft); max-width: 780px; }
.muted { color: var(--color-muted); }
.small { font-size: 0.88rem; }

/* ---------- Buttons & chips ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; transition: all .15s ease;
}
.btn-primary { background: var(--color-navy); color: #fff; }
.btn-primary:hover { background: var(--color-navy-deep); color: #fff; }
.btn-outline { background: transparent; border-color: var(--color-line); color: var(--color-ink); }
.btn-outline:hover { border-color: var(--color-navy); color: var(--color-navy); }
.btn-teal { background: var(--color-teal); color: #fff; }
.btn-teal:hover { background: #176e70; color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

.chip {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: var(--color-surface-tint); color: var(--color-navy);
  font-size: 0.78rem; font-weight: 600; margin: 0 6px 6px 0; border: 1px solid var(--color-line-soft);
}
.chip--green { background: var(--color-green-soft); color: var(--color-green); }
.chip--purple { background: var(--color-purple-soft); color: var(--color-purple); }
.chip--amber { background: var(--color-amber-soft); color: var(--color-amber); }
.chip--red { background: var(--color-red-soft); color: var(--color-red); }
.tag-row { margin: 10px 0 0; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 244, 0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; max-width: var(--maxw); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--color-navy); }
.brand img { width: 34px; height: 34px; }
.brand small { display: block; font-weight: 500; font-size: 0.66rem; color: var(--color-muted); letter-spacing: 0.04em; }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  padding: 9px 14px; border-radius: 999px; font-size: 0.92rem; font-weight: 600; color: var(--color-ink-soft);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { background: var(--color-surface-tint); color: var(--color-navy); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-toggle {
  display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--color-line);
  background: var(--color-surface); align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 18px; height: 2px; background: var(--color-ink); position: relative; transition: all .2s;
}
.nav-toggle span::before { position: absolute; top: -6px; width: 18px; height: 2px; background: var(--color-ink); }
.nav-toggle span::after { position: absolute; top: 6px; width: 18px; height: 2px; background: var(--color-ink); }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero-copy p.lead { margin-top: 14px; }
.hero-visual { background: var(--color-surface); border-radius: var(--radius-l); border: 1px solid var(--color-line); padding: 16px; box-shadow: var(--shadow-card); }
.hero-stats { display: flex; gap: 22px; margin-top: 26px; flex-wrap: wrap; }
.hero-stat b { display: block; font-size: 1.35rem; color: var(--color-navy); }
.hero-stat span { font-size: 0.82rem; color: var(--color-muted); }

/* ---------- Data chain ---------- */
.chain-wrap { overflow-x: auto; padding-bottom: 6px; }
.chain { display: flex; align-items: center; gap: 0; min-width: 760px; }
.chain-node {
  flex: 1; text-align: center; background: var(--color-surface); border: 1px solid var(--color-line);
  border-radius: var(--radius-m); padding: 14px 10px; font-size: 0.86rem; font-weight: 700; color: var(--color-navy);
}
.chain-arrow { flex: 0 0 26px; text-align: center; color: var(--color-teal); font-size: 1.1rem; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--color-surface); border: 1px solid var(--color-line-soft); border-radius: var(--radius-m);
  padding: 22px; box-shadow: var(--shadow-card);
}
.card h3 { margin-bottom: 10px; }
.card .icon-wrap { width: 46px; height: 46px; margin-bottom: 14px; }

/* ---------- Long-form article blocks ---------- */
.article {
  background: var(--color-surface); border: 1px solid var(--color-line-soft); border-radius: var(--radius-l);
  padding: 32px; margin-bottom: 28px; box-shadow: var(--shadow-card);
}
.article-meta { display: flex; gap: 12px; align-items: center; font-size: 0.82rem; color: var(--color-muted); margin-bottom: 14px; flex-wrap: wrap; }
.article-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--color-muted); }
.article h2 { margin-bottom: 14px; }
.article-figure { margin: 18px 0; background: var(--color-bg-alt); border-radius: var(--radius-m); padding: 14px; border: 1px solid var(--color-line-soft); }
.article-figure figcaption { font-size: 0.82rem; color: var(--color-muted); text-align: center; margin-top: 10px; }
.article-body p { color: var(--color-ink-soft); }
.article-body h4 { margin-top: 22px; color: var(--color-navy); }
.article-toggle-wrap { text-align: center; margin-top: 6px; }
.article-full { display: none; }
.article-full.is-open { display: block; }
.article-toggle {
  background: none; border: 1px solid var(--color-line); border-radius: 999px; padding: 10px 20px;
  font-weight: 700; color: var(--color-navy); cursor: pointer; font-size: 0.9rem;
}
.article-toggle:hover { border-color: var(--color-navy); background: var(--color-surface-tint); }
.callout {
  border-left: 3px solid var(--color-teal); background: var(--color-teal-soft); padding: 14px 18px;
  border-radius: 0 var(--radius-s) var(--radius-s) 0; margin: 16px 0; font-size: 0.95rem; color: var(--color-navy-deep);
}
.evidence-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.92rem; }
.evidence-table th, .evidence-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-line-soft); }
.evidence-table th { color: var(--color-navy); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.evidence-table td { color: var(--color-ink-soft); }

/* ---------- Secondary article summary card (used on index) ---------- */
.summary-list { display: grid; gap: 16px; }
.summary-card {
  display: grid; grid-template-columns: 90px 1fr; gap: 16px; background: var(--color-surface);
  border: 1px solid var(--color-line-soft); border-radius: var(--radius-m); padding: 18px; align-items: start;
}
.summary-card .thumb { width: 90px; height: 90px; border-radius: var(--radius-s); background: var(--color-surface-tint); padding: 10px; }
.summary-card h4 { margin-bottom: 6px; }
.summary-card p { font-size: 0.92rem; margin-bottom: 8px; }
.summary-card a.readmore { font-size: 0.86rem; font-weight: 700; color: var(--color-teal); }

/* ---------- Observation column ---------- */
.observe-card {
  background: var(--color-surface-tint); border: 1px solid var(--color-line-soft); border-radius: var(--radius-m);
  padding: 22px;
}
.observe-card .eyebrow { color: var(--color-purple); }
.observe-card .eyebrow::before { background: var(--color-purple); }

/* ---------- Skill graph interactive ---------- */
.skill-graph-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: center; }
.skill-pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.skill-pill {
  border: 1px solid var(--color-line); background: var(--color-surface); border-radius: 999px;
  padding: 8px 16px; font-size: 0.88rem; font-weight: 600; cursor: pointer; color: var(--color-ink-soft);
}
.skill-pill.is-active { background: var(--color-navy); border-color: var(--color-navy); color: #fff; }
.skill-detail { background: var(--color-surface); border: 1px solid var(--color-line-soft); border-radius: var(--radius-m); padding: 18px; margin-top: 14px; min-height: 96px; }

/* ---------- Tabs (resume workbench, career path etc.) ---------- */
.tabbar { display: flex; gap: 8px; flex-wrap: wrap; border-bottom: 1px solid var(--color-line); margin-bottom: 18px; }
.tabbar button {
  background: none; border: none; padding: 10px 6px; font-size: 0.94rem; font-weight: 700; color: var(--color-muted);
  cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabbar button.is-active { color: var(--color-navy); border-bottom-color: var(--color-teal); }
.tabpanel { display: none; }
.tabpanel.is-active { display: block; }

/* ---------- Salary comparison ---------- */
.salary-switcher { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.salary-switcher button {
  border: 1px solid var(--color-line); background: var(--color-surface); border-radius: 999px; padding: 8px 16px;
  font-size: 0.86rem; font-weight: 700; cursor: pointer; color: var(--color-ink-soft);
}
.salary-switcher button.is-active { background: var(--color-teal); border-color: var(--color-teal); color: #fff; }
.salary-bars { display: grid; gap: 12px; }
.salary-bar-row { display: grid; grid-template-columns: 130px 1fr 70px; align-items: center; gap: 10px; font-size: 0.86rem; }
.salary-bar-track { background: var(--color-surface-tint); border-radius: 999px; height: 14px; overflow: hidden; }
.salary-bar-fill { height: 100%; background: linear-gradient(90deg, var(--color-teal), var(--color-navy)); border-radius: 999px; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 10px; }
.faq-item { background: var(--color-surface); border: 1px solid var(--color-line-soft); border-radius: var(--radius-m); overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; padding: 16px 20px; font-size: 0.98rem; font-weight: 700;
  color: var(--color-ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-q::after { content: "+"; font-size: 1.3rem; color: var(--color-teal); font-weight: 400; flex-shrink: 0; }
.faq-item.is-open .faq-q::after { content: "−"; }
.faq-a { max-height: 0; overflow: hidden; padding: 0 20px; transition: max-height .25s ease, padding .25s ease; }
.faq-item.is-open .faq-a { padding: 0 20px 18px; max-height: 600px; }
.faq-a p { font-size: 0.93rem; margin: 0; }

/* ---------- Timeline (freshness) ---------- */
.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 4px; bottom: 4px; width: 2px; background: var(--color-line); }
.timeline-item { position: relative; padding-bottom: 22px; }
.timeline-item::before { content: ""; position: absolute; left: -26px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--color-teal); }
.timeline-item b { color: var(--color-navy); }

/* ---------- App feature grid ---------- */
.app-feature { text-align: center; padding: 20px 14px; }
.app-feature .icon-wrap { margin: 0 auto 12px; width: 52px; height: 52px; }
.app-download { display: flex; gap: 14px; flex-wrap: wrap; }
.app-download-btn {
  display: flex; align-items: center; gap: 10px; border: 1px solid var(--color-line); border-radius: var(--radius-m);
  padding: 12px 18px; background: var(--color-surface); color: var(--color-ink); font-weight: 700; cursor: default;
}
.app-download-btn small { display: block; font-weight: 500; color: var(--color-muted); font-size: 0.75rem; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 0.82rem; color: var(--color-muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-teal); }

/* ---------- Company / disclaimer ---------- */
.disclaimer-box {
  background: var(--color-bg-alt); border: 1px dashed var(--color-line); border-radius: var(--radius-m);
  padding: 18px 20px; font-size: 0.86rem; color: var(--color-muted);
}

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy-deep); color: #cfd7de; padding: 52px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 28px; }
.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; }
.site-footer a { color: #b3c0cc; font-size: 0.88rem; }
.site-footer a:hover { color: #fff; }
.footer-links { display: grid; gap: 10px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: #fff; font-size: 1.1rem; margin-bottom: 12px; }
.footer-brand img { width: 30px; height: 30px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 36px; padding-top: 20px; font-size: 0.78rem; color: #8894a1; display: flex; flex-wrap: wrap; gap: 10px 20px; justify-content: space-between; }

/* ---------- Back to top ---------- */
.back-top {
  position: fixed; right: 20px; bottom: 20px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--color-navy); color: #fff; border: none; display: none; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: var(--shadow-pop); z-index: 90; font-size: 1.1rem;
}
.back-top.is-visible { display: flex; }

/* ---------- Assistant demo ---------- */
.assistant-shell { background: var(--color-navy-deep); border-radius: var(--radius-l); padding: 22px; color: #f3f1ea; }
.assistant-q { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.assistant-q button {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18); color: #f3f1ea; border-radius: 999px;
  padding: 8px 14px; font-size: 0.82rem; cursor: pointer;
}
.assistant-q button.is-active, .assistant-q button:hover { background: var(--color-teal); border-color: var(--color-teal); }
.assistant-reply { background: rgba(255,255,255,0.06); border-radius: var(--radius-m); padding: 18px; font-size: 0.92rem; min-height: 120px; }
.assistant-reply .src { display: block; margin-top: 12px; font-size: 0.76rem; color: #9fb0bd; }

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.center { text-align: center; }
.section-head { max-width: 760px; margin: 0 auto 36px; text-align: center; }
.section-head.left { text-align: left; margin: 0 0 32px; }
.divider { height: 1px; background: var(--color-line); margin: 48px 0; }

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .skill-graph-wrap { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-bg);
    flex-direction: column; padding: 10px 24px 18px; border-bottom: 1px solid var(--color-line); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 12px 8px; width: 100%; }
  .nav-toggle { display: flex; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .summary-card { grid-template-columns: 60px 1fr; }
  .summary-card .thumb { width: 60px; height: 60px; }
  .article { padding: 22px 18px; }
  .section { padding: 44px 0; }
  .hero { padding: 34px 0 24px; }
  .salary-bar-row { grid-template-columns: 90px 1fr 56px; }
}
@media (max-width: 400px) {
  .container { padding: 0 16px; }
}