/* aizuowaimao.com - B2B 获客型站点共享样式 */
/* 配色参考 https://www.hejustinsun.com/ ：白底 + 近黑文字 + 主蓝 #2D60F6，去橙化 */
:root {
  --navy: #09090B;
  --navy-2: #18181B;
  --blue: #2D60F6;
  --blue-dark: #1E4FE0;
  --orange: #2D60F6;
  --orange-dark: #1E4FE0;
  --ink: #18181B;
  --gray: #52525B;
  --gray-light: #F4F4F5;
  --line: #E4E4E7;
  --bg: #FFFFFF;
  --bg-soft: #FAFAFA;
  --green: #059669;
  --red: #DC2626;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(9, 9, 11, .08), 0 8px 24px rgba(9, 9, 11, .07);
  --shadow-lg: 0 12px 40px rgba(9, 9, 11, .14);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--navy); }
.logo-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800;
}
.logo small { font-size: 12px; font-weight: 500; color: var(--gray); display: block; line-height: 1; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { color: var(--ink); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--blue); }
.nav-cta {
  background: var(--orange); color: #fff !important; padding: 9px 20px;
  border-radius: 8px; font-weight: 600;
}
.nav-cta:hover { background: var(--orange-dark); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--navy); }

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(45, 96, 246, .12), transparent 60%),
    radial-gradient(800px 400px at 0% 110%, rgba(45, 96, 246, .06), transparent 60%),
    var(--navy);
  color: #fff; padding: 88px 0 96px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero .eyebrow {
  display: inline-block; background: rgba(45, 96, 246, .16); color: #93C5FD;
  border: 1px solid rgba(45, 96, 246, .35);
  font-size: 13px; font-weight: 600; padding: 5px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero h1 { font-size: 40px; line-height: 1.3; font-weight: 800; letter-spacing: .5px; }
.hero h1 em { color: #60A5FA; font-style: normal; }
.hero p.lead { margin: 20px 0 32px; color: #D4D4D8; font-size: 17px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 30px; border-radius: 10px; font-size: 16px; font-weight: 700;
  cursor: pointer; border: none; transition: all .18s ease;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(45,96,246,.35); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.35); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-dark); }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap; }
.hero-stats .stat b { display: block; font-size: 26px; color: #60A5FA; }
.hero-stats .stat span { font-size: 13px; color: #94A3B8; }

/* Hero 卡片 */
.hero-card {
  background: #fff; color: var(--ink); border-radius: 16px; padding: 28px;
  box-shadow: var(--shadow-lg);
}
.hero-card h3 { font-size: 16px; color: var(--navy); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.hero-card ul { list-style: none; }
.hero-card li {
  padding: 10px 0; border-bottom: 1px dashed var(--line);
  display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px;
}
.hero-card li:last-child { border-bottom: none; }
.hero-card li .ico { color: var(--green); font-weight: 800; }
.hero-card .worth { margin-top: 14px; background: #EFF6FF; border: 1px solid #BFDBFE; border-radius: 10px; padding: 12px 14px; font-size: 13.5px; color: #1E40AF; }
.hero-card .worth b { color: var(--orange-dark); }

/* ===== 通用区块 ===== */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 52px; }
.section-head .kicker { color: var(--orange); font-weight: 700; font-size: 14px; letter-spacing: 2px; text-transform: uppercase; }
.section-head h2 { font-size: 32px; color: var(--navy); margin: 10px 0 14px; line-height: 1.35; }
.section-head p { color: var(--gray); font-size: 16px; }

/* 报告卡片 */
.report-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.report-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; transition: all .2s ease; position: relative;
}
.report-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #BFDBFE; }
.report-card .num {
  width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px; margin-bottom: 18px;
  background: #EFF6FF; color: var(--blue);
}
.report-card h3 { font-size: 19px; color: var(--navy); margin-bottom: 10px; }
.report-card p { font-size: 14.5px; color: var(--gray); flex: 1; }
.report-card ul { list-style: none; margin: 14px 0; }
.report-card ul li { font-size: 13.5px; color: var(--ink); padding: 4px 0 4px 22px; position: relative; }
.report-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.report-card .card-cta { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 15px; color: var(--blue); }
.report-card .card-cta:hover { color: var(--blue-dark); }
.tag {
  position: absolute; top: 22px; right: 22px; font-size: 12px; font-weight: 700;
  background: #EFF6FF; color: #1E40AF; padding: 3px 10px; border-radius: 999px;
}

/* 信任条 */
.trust-bar { background: var(--navy); color: #fff; padding: 30px 0; }
.trust-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: #D4D4D8; }
.trust-item b { color: #fff; font-size: 15px; }
.trust-item .dot { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; font-size: 18px; }

/* 步骤流程 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step { background: #fff; border-radius: var(--radius); padding: 28px 22px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.step .n {
  width: 36px; height: 36px; border-radius: 50%; background: var(--navy); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 14px;
}
.step h4 { font-size: 16.5px; color: var(--navy); margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--gray); }

/* 理念/顾问式销售 */
.philosophy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.philosophy h3 { font-size: 24px; color: var(--navy); margin-bottom: 16px; }
.philosophy p { color: var(--gray); margin-bottom: 14px; font-size: 15.5px; }
.philosophy blockquote {
  border-left: 4px solid var(--orange); background: #EFF6FF;
  padding: 16px 20px; border-radius: 0 10px 10px 0; color: #1E3A5F; font-size: 15px; margin: 18px 0;
}
.philosophy-points { list-style: none; }
.philosophy-points li { padding: 10px 0 10px 34px; position: relative; font-size: 15.5px; border-bottom: 1px dashed var(--line); }
.philosophy-points li:last-child { border-bottom: none; }
.philosophy-points li b { color: var(--navy); }
.philosophy-points li::before {
  content: counter(list-item); counter-increment: list-item;
  position: absolute; left: 0; top: 12px; width: 24px; height: 24px; border-radius: 50%;
  background: #EFF6FF; color: var(--blue); font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
details { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 0; margin-bottom: 14px; }
details summary {
  cursor: pointer; padding: 18px 22px; font-weight: 600; color: var(--navy);
  list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 15.5px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; font-size: 20px; color: var(--orange); }
details[open] summary::after { content: "−"; }
details .faq-body { padding: 0 22px 18px; color: var(--gray); font-size: 14.5px; }

/* CTA 横幅 */
.cta-banner {
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-2) 60%, var(--blue) 130%);
  color: #fff; border-radius: 18px; padding: 56px 48px; text-align: center;
}
.cta-banner h2 { font-size: 30px; margin-bottom: 14px; }
.cta-banner p { color: #D4D4D8; margin-bottom: 28px; max-width: 620px; margin-left: auto; margin-right: auto; }

/* ===== 详情页 ===== */
.page-hero {
  background: var(--navy); color: #fff; padding: 64px 0;
  background-image: radial-gradient(600px 300px at 90% 0%, rgba(249,115,22,.15), transparent 60%);
}
.crumb { font-size: 13.5px; color: #94A3B8; margin-bottom: 16px; }
.crumb a { color: #D4D4D8; }
.page-hero h1 { font-size: 34px; line-height: 1.35; }
.page-hero .sub { color: #D4D4D8; margin: 14px 0 26px; max-width: 760px; font-size: 16.5px; }
.page-hero .badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.badge {
  font-size: 12.5px; font-weight: 600; padding: 4px 12px; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); color: #E4E4E7;
}
.page-hero .worth-note { font-size: 13.5px; color: #93C5FD; }

.detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.detail-main h2, .detail-aside h3 { font-size: 22px; color: var(--navy); margin: 44px 0 16px; }
.detail-main h2:first-child { margin-top: 0; }
.detail-main p { color: #52525B; margin-bottom: 14px; font-size: 15.5px; }

/* 数据样例表格 */
.sample-table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; background: #fff; }
.sample-table th { background: var(--navy); color: #fff; padding: 11px 14px; text-align: left; font-weight: 600; }
.sample-table td { padding: 11px 14px; border-bottom: 1px solid var(--line); }
.sample-table tr:nth-child(even) td { background: var(--bg-soft); }
.sample-table td.warn { color: var(--red); font-weight: 600; }
.sample-table td.good { color: var(--green); font-weight: 600; }

/* 章节列表 */
.chapter-list { list-style: none; counter-reset: ch; }
.chapter-list li {
  counter-increment: ch; padding: 14px 0 14px 52px; position: relative;
  border-bottom: 1px dashed var(--line); font-size: 15px;
}
.chapter-list li::before {
  content: counter(ch, decimal-leading-zero); position: absolute; left: 0; top: 16px;
  color: #94A3B8; font-weight: 800; font-size: 15px; letter-spacing: 1px;
}
.chapter-list li b { color: var(--navy); display: block; }
.chapter-list li span { color: var(--gray); font-size: 13.5px; }

/* 侧栏 */
.detail-aside { position: sticky; top: 88px; }
.aside-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 26px; margin-bottom: 22px;
}
.aside-card h3 { font-size: 17px; color: var(--navy); margin: 0 0 14px; }
.aside-card .price-old { text-decoration: line-through; color: #A1A1AA; font-size: 14px; }
.aside-card .price-now { font-size: 30px; font-weight: 800; color: var(--orange); margin: 4px 0 2px; }
.aside-card .price-note { font-size: 12.5px; color: var(--gray); margin-bottom: 18px; }
.aside-card ul { list-style: none; margin-bottom: 20px; }
.aside-card ul li { font-size: 13.5px; padding: 5px 0 5px 24px; position: relative; color: #3F3F46; }
.aside-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.aside-card .btn { width: 100%; }
.aside-card .btn + .btn { margin-top: 10px; }
.who-list { list-style: none; }
.who-list li { font-size: 14px; padding: 8px 0 8px 26px; position: relative; color: #3F3F46; border-bottom: 1px dashed var(--line); }
.who-list li:last-child { border-bottom: none; }
.who-list li::before { content: "→"; position: absolute; left: 0; color: var(--orange); font-weight: 700; }

/* 数据来源标签 */
.source-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.source-tag { font-size: 12px; background: #EFF6FF; color: #1E40AF; padding: 3px 10px; border-radius: 6px; font-weight: 600; }

/* 判断/警示块 */
.callout { border-radius: 10px; padding: 18px 20px; margin: 18px 0; font-size: 14.5px; }
.callout.warn { background: #FEF2F2; border: 1px solid #FECACA; color: #7F1D1D; }
.callout.info { background: #EFF6FF; border: 1px solid #BFDBFE; color: #1E3A5F; }
.callout b { display: block; margin-bottom: 4px; }

/* ===== 表单页 ===== */
.form-wrap { max-width: 760px; margin: 0 auto; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-lg); padding: 44px; }
.form-card h2 { font-size: 24px; color: var(--navy); margin-bottom: 6px; }
.form-card .form-sub { color: var(--gray); font-size: 14.5px; margin-bottom: 28px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 600; font-size: 14.5px; color: var(--navy); margin-bottom: 7px; }
.field label .req { color: var(--red); margin-left: 2px; }
.field label .opt { color: #A1A1AA; font-weight: 400; font-size: 12.5px; margin-left: 6px; }
.field input[type=text], .field input[type=tel], .field input[type=email], .field input[type=url], .field select {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 15px; font-family: inherit; transition: border-color .15s; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(45,96,246,.12); }
.field .hint { font-size: 12.5px; color: var(--gray); margin-top: 5px; }
.field .err-msg { font-size: 12.5px; color: var(--red); margin-top: 5px; display: none; }
.field.error input { border-color: var(--red); }
.field.error .err-msg { display: block; }
.report-pick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pick {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px;
  display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14px;
  transition: all .15s; background: #fff;
}
.pick:hover { border-color: #93C5FD; }
.pick input { accent-color: var(--orange); width: 16px; height: 16px; }
.pick.checked { border-color: var(--orange); background: #EFF6FF; font-weight: 600; }
.form-note { font-size: 12.5px; color: var(--gray); margin-top: 16px; display: flex; gap: 6px; align-items: flex-start; }
.submit-bar { margin-top: 28px; }
.submit-bar .btn { width: 100%; padding: 16px; font-size: 17px; }
.form-privacy { text-align: center; font-size: 12.5px; color: var(--gray); margin-top: 14px; }

/* 成功态 */
.success-box { display: none; text-align: center; padding: 30px 0; }
.success-box .big-check {
  width: 72px; height: 72px; border-radius: 50%; background: #D1FAE5; color: var(--green);
  font-size: 36px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
}
.success-box h2 { color: var(--navy); margin-bottom: 10px; }
.success-box p { color: var(--gray); max-width: 480px; margin: 0 auto 8px; font-size: 15px; }
.success-box .next-steps { text-align: left; max-width: 460px; margin: 22px auto 0; background: var(--bg-soft); border-radius: 10px; padding: 20px 24px; }
.success-box .next-steps li { font-size: 14px; color: #3F3F46; margin: 6px 0 6px 18px; }

/* ===== 页脚 ===== */
.site-footer { background: #09090B; color: #94A3B8; padding: 56px 0 32px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 9px; }
.site-footer a { color: #94A3B8; }
.site-footer a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: #fff; font-weight: 800; font-size: 17px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .hero-grid, .detail-grid, .philosophy-grid { grid-template-columns: 1fr; }
  .report-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .detail-aside { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 60px 0 64px; }
  .hero h1 { font-size: 30px; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; padding: 20px 24px; gap: 16px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
  }
  .nav-toggle { display: block; }
  .report-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 25px; }
  .hero h1 { font-size: 26px; }
  .page-hero h1 { font-size: 25px; }
  .form-card { padding: 28px 22px; }
  .report-pick { grid-template-columns: 1fr; }
  .cta-banner { padding: 40px 24px; }
  .cta-banner h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .sample-table { font-size: 12.5px; display: block; overflow-x: auto; }
  .hero-stats { gap: 20px; }
}

/* ===== 改版新增：slogan / 博客 / 文章页 / 问答中心 ===== */
.hero .slogan { color: #60A5FA; font-weight: 700; font-size: 17px; margin: -8px 0 20px; }

/* 博客卡片 */
.post-card { padding-bottom: 24px; }
.post-card .meta { font-size: 12.5px; color: #94A3B8; margin: 4px 0 10px; }
.post-card .meta span { margin-right: 12px; }
.post-card h3 a { color: var(--navy); }
.post-card h3 a:hover { color: var(--blue); }
.cat-label {
  display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue);
  background: #EFF6FF; border-radius: 6px; padding: 2px 10px; margin-bottom: 10px;
}
.read-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14.5px; color: var(--blue); margin-top: 4px; }

/* 文章页 */
.post-wrap { max-width: 820px; margin: 0 auto; }
.post-meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13.5px; color: #94A3B8; margin-bottom: 8px; }
.prose h2 { font-size: 23px; color: var(--navy); margin: 42px 0 14px; padding-left: 14px; border-left: 4px solid var(--orange); }
.prose h3 { font-size: 18px; color: var(--navy); margin: 26px 0 10px; }
.prose p { color: #3F3F46; margin-bottom: 14px; font-size: 15.5px; }
.prose ul, .prose ol { margin: 0 0 16px 22px; color: #3F3F46; font-size: 15.5px; }
.prose li { margin-bottom: 8px; }
.prose b { color: var(--navy); }
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; background: #fff; }
.prose th { background: var(--navy); color: #fff; padding: 10px 14px; text-align: left; }
.prose td { padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 14px; }
.prose tr:nth-child(even) td { background: var(--bg-soft); }
.post-cta {
  margin-top: 44px; background: linear-gradient(120deg, var(--navy) 0%, var(--navy-2) 70%, var(--blue) 140%);
  color: #fff; border-radius: 14px; padding: 30px; text-align: center;
}
.post-cta h3 { color: #fff; font-size: 20px; margin-bottom: 8px; }
.post-cta p { color: #D4D4D8; font-size: 14.5px; margin-bottom: 18px; }
.post-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.post-nav a {
  flex: 1; min-width: 240px; background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 18px; font-size: 14px; color: var(--navy); font-weight: 600;
}
.post-nav a:hover { border-color: var(--blue); }
.post-nav a small { display: block; color: var(--gray); font-weight: 400; font-size: 12px; margin-bottom: 4px; }

/* 问答中心 */
.qa-group { margin-bottom: 40px; }
.qa-group h2 { font-size: 22px; color: var(--navy); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--line); }
.qa-item { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px 22px; margin-bottom: 12px; }
.qa-item h3 { font-size: 16px; color: var(--navy); margin-bottom: 8px; }
.qa-item p { font-size: 14.5px; color: #52525B; }
.qa-item p b { color: var(--navy); }