/*
Theme Name: 商务寻联
Theme URI: https://chashoujihao.online
Author: Chashoujihao
Description: 企业关键联系人研究与商务调查服务主题。
Version: 2.0.0
Text Domain: chashou
*/

:root {
  --ink: #161b1a;
  --muted: #62706c;
  --line: #d9e0dd;
  --paper: #f4f6f5;
  --white: #fff;
  --green: #1e6557;
  --green-dark: #12473d;
  --wine: #8b3e4a;
  --gold: #d9bd73;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.header-inner { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 19px; font-weight: 850; }
.brand-mark {
  width: 36px; height: 36px; display: grid; place-items: center;
  color: #fff; background: var(--green); border-radius: 6px; font-family: Georgia, serif; font-size: 22px;
}
.site-nav { display: flex; align-items: center; gap: 27px; color: #384440; font-size: 15px; }
.site-nav a:hover { color: var(--green); }
.nav-action { padding: 8px 15px; color: #fff !important; background: var(--green); border-radius: 5px; font-weight: 750; }

.hero {
  min-height: 660px;
  display: grid;
  align-items: center;
  color: #fff;
  background: #252b29 url("assets/hero-corporate.jpg") center / cover no-repeat;
  border-bottom: 1px solid #323a37;
}
.hero-content { width: min(600px, 52%); padding: 92px 0 112px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 22px; color: #dfeae6; font-size: 14px; font-weight: 800; }
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--gold); }
.hero h1 { margin: 0 0 24px; font-size: clamp(44px, 5vw, 68px); line-height: 1.16; letter-spacing: 0; }
.hero-lead { max-width: 560px; margin: 0 0 34px; color: #d8dfdc; font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-flex; min-height: 48px; align-items: center; justify-content: center;
  padding: 10px 21px; border: 1px solid transparent; border-radius: 5px; font-weight: 800;
}
.button-primary { color: var(--ink); background: var(--gold); }
.button-primary:hover { background: #e7cd87; }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.55); background: rgba(18,25,23,.36); }
.button-ghost:hover { border-color: #fff; }

.proof { background: var(--ink); color: #fff; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-item { padding: 28px 34px; border-right: 1px solid rgba(255,255,255,.13); }
.proof-item:first-child { padding-left: 0; }
.proof-item:last-child { border-right: 0; }
.proof-item strong { display: block; margin-bottom: 3px; color: var(--gold); font-size: 20px; }
.proof-item span { color: #bdc7c4; font-size: 14px; }

.section { padding: 88px 0; }
.section-muted { background: var(--paper); border-block: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 44px; margin-bottom: 42px; }
.section-head h2 { max-width: 710px; margin: 0; font-size: clamp(31px, 4vw, 48px); line-height: 1.25; }
.section-head p { max-width: 420px; margin: 0; color: var(--muted); }
.kicker { margin: 0 0 10px; color: var(--wine); font-size: 13px; font-weight: 850; text-transform: uppercase; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card {
  min-height: 290px; padding: 30px; background: #fff; border: 1px solid var(--line);
  border-radius: 7px; transition: transform .18s ease, border-color .18s ease;
}
.service-card:hover { transform: translateY(-4px); border-color: #8eb3aa; }
.service-code { display: block; margin-bottom: 50px; color: var(--wine); font-family: Georgia, serif; font-size: 25px; }
.service-card h3 { margin: 0 0 12px; font-size: 23px; line-height: 1.3; }
.service-card p { margin: 0; color: var(--muted); font-size: 15px; }

.method-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; align-items: start; }
.method-copy h2 { margin: 0 0 20px; font-size: 43px; line-height: 1.25; }
.method-copy p { color: var(--muted); }
.method-list { border-top: 1px solid var(--line); }
.method-item { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.method-num { color: var(--wine); font-weight: 850; }
.method-item h3 { margin: 0 0 5px; font-size: 19px; }
.method-item p { margin: 0; color: var(--muted); font-size: 14px; }

.boundary { display: grid; grid-template-columns: 1fr 1fr; background: var(--green-dark); color: #fff; }
.boundary-copy { padding: 54px; }
.boundary-copy h2 { margin: 0 0 16px; font-size: 36px; }
.boundary-copy p { color: #c9dad5; }
.boundary-list { padding: 54px; background: #1a2522; }
.boundary-list ul { margin: 0; padding-left: 20px; }
.boundary-list li { margin: 9px 0; color: #d5ddda; }

.contact-band { padding: 24px 0; color: #fff; background: var(--wine); }
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.contact-inner strong { font-size: 19px; }
.qq { padding: 7px 13px; color: var(--ink); background: #fff; border-radius: 4px; font-weight: 850; }

.form-section { background: var(--paper); }
.lead-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.lead-intro h2 { margin: 0 0 18px; font-size: 43px; }
.lead-intro p { color: var(--muted); }
.lead-note { margin-top: 26px; padding: 19px; border-left: 4px solid var(--gold); background: #fff; font-size: 14px; }
.success-message { margin-bottom: 22px; padding: 15px 18px; color: #164d42; background: #dff0eb; border: 1px solid #add1c7; border-radius: 5px; font-weight: 750; }
.error-message { margin-bottom: 22px; padding: 15px 18px; color: #742f39; background: #f7e7e9; border: 1px solid #dfb5bb; border-radius: 5px; }
.lead-form { padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: 7px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field-full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 7px; font-size: 14px; font-weight: 750; }
.field input, .field textarea, .field select {
  width: 100%; min-height: 46px; padding: 11px 12px; color: var(--ink); background: #fff;
  border: 1px solid #bbc7c3; border-radius: 4px; font: inherit;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid #acd0c7; border-color: var(--green); }
.required { color: var(--wine); }
.consent { display: flex; gap: 9px; align-items: flex-start; margin: 20px 0; color: #53605d; font-size: 13px; }
.consent input { margin-top: 5px; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.submit-button { width: 100%; min-height: 50px; border: 0; border-radius: 5px; color: #fff; background: var(--green); font: inherit; font-weight: 850; cursor: pointer; }
.submit-button:hover { background: var(--green-dark); }
.form-foot { margin: 12px 0 0; color: #7a8582; font-size: 12px; text-align: center; }

.content-shell { width: min(calc(100% - 40px), 850px); margin: 0 auto; padding: 76px 0 100px; }
.content-wide { width: min(calc(100% - 40px), var(--max)); }
.content-shell h1 { font-size: clamp(36px, 5vw, 58px); line-height: 1.2; }
.breadcrumbs { margin-bottom: 24px; color: #74807d; font-size: 13px; }
.breadcrumbs a { color: var(--green); }
.article-date { margin: -14px 0 36px; color: #74807d; font-size: 14px; }
.entry-content h2 { margin-top: 42px; font-size: 28px; }
.entry-content p, .entry-content li { color: #40504c; }
.entry-content a { color: var(--green); text-decoration: underline; }
.archive-lead { max-width: 720px; margin: -16px 0 42px; color: var(--muted); font-size: 18px; }
.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.insight-card { min-height: 280px; padding: 28px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.insight-card h2 { margin: 28px 0 12px; font-size: 22px; line-height: 1.35; }
.insight-card p { color: var(--muted); font-size: 14px; }
.insight-meta { color: var(--wine) !important; font-size: 12px !important; font-weight: 800; }
.article-link { display: inline-block; margin-top: 15px; color: var(--green); font-weight: 800; }
.article-cta { margin-top: 56px; padding: 30px; border-left: 5px solid var(--gold); background: var(--paper); }
.article-cta strong { font-size: 21px; }
.article-cta p { color: var(--muted); }

.site-footer { padding: 58px 0 26px; color: #c7d0cd; background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 60px; }
.footer-brand { color: #fff; font-size: 21px; font-weight: 850; }
.footer-copy { max-width: 430px; color: #aeb9b5; }
.footer-title { margin: 0 0 14px; color: #fff; font-size: 14px; font-weight: 800; }
.footer-links { display: grid; gap: 8px; font-size: 14px; }
.footer-bottom { margin-top: 46px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }

@media (max-width: 820px) {
  .wrap { width: min(calc(100% - 28px), var(--max)); }
  .site-nav a:not(.nav-action) { display: none; }
  .hero {
    min-height: 720px; align-items: end; background-color: #252b29;
    background-size: auto 330px; background-position: 61% top; background-repeat: no-repeat;
  }
  .hero-content { width: 100%; padding: 360px 0 54px; }
  .hero h1 { font-size: 42px; }
  .hero-lead { font-size: 17px; }
  .proof-grid, .service-grid, .method-grid, .boundary, .lead-layout, .footer-grid { grid-template-columns: 1fr; }
  .proof-item { padding: 20px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .proof-item:last-child { border-bottom: 0; }
  .section { padding: 64px 0; }
  .section-head { display: block; }
  .section-head p { margin-top: 18px; }
  .service-card { min-height: 245px; }
  .method-grid, .lead-layout { gap: 36px; }
  .method-copy h2, .lead-intro h2 { font-size: 34px; }
  .boundary-copy, .boundary-list { padding: 32px 27px; }
  .contact-inner { align-items: flex-start; flex-direction: column; }
  .form-grid { grid-template-columns: 1fr; }
  .insight-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .lead-form { padding: 24px 18px; }
}