/* aizuowaimao.com v2.0 — Manus 风格改版
   配色：Manus 黑 #34322D + 白 + 蓝强调 #2D60F6
   字体：Libre Baskerville（衬线）+ DM Sans（无衬线），中文走 Noto
   视觉：玻璃质感卡 + 柔阴影 + 不对称布局 + 大留白
*/

/* Google Fonts 引入 — 西文 + 中文衬线/无衬线 */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Noto+Sans+SC:wght@400;500;700&family=Noto+Serif+SC:wght@400;700&display=swap');

:root {
  /* === Manus 主色系 === */
  --ink: #34322D;            /* Manus 主黑 */
  --ink-2: #54534E;          /* 次级黑 */
  --ink-3: #807F7C;          /* 中性灰 */
  --bg: #FFFFFF;
  --bg-soft: #F8F8F8;
  --bg-dark: #34322D;        /* Hero / 页脚底 */
  --bg-darker: #1F1D1A;      /* 更深的 footer */
  --gray: #807F7C;
  --gray-mid: #B8B5AE;
  --gray-light: #F8F8F8;
  --line: #E5E5E5;
  /* === 强调色：蓝色保留作为 AI/科技属性 === */
  --accent: #2D60F6;
  --accent-hover: #1E4FE0;
  --accent-soft: #EFF6FF;
  --accent-glow: rgba(45, 96, 246, .35);
  /* === 语义色 === */
  --green: #059669;
  --green-soft: #D1FAE5;
  --red: #DC2626;
  --red-soft: #FEF2F2;
  --gold: #FBBF24;
  /* === 圆角 + 阴影 === */
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --shadow: 0 8px 24px rgba(52, 50, 45, .06);
  --shadow-lg: 0 16px 40px rgba(52, 50, 45, .12);
  --shadow-xl: 0 24px 64px rgba(52, 50, 45, .16);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 衬线 helper */
.serif { font-family: 'Libre Baskerville', 'Noto Serif SC', Georgia, "PingFang SC", serif; }

a { color: var(--accent); text-decoration: none; transition: color .2s; }
img { max-width: 100%; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 17px; color: var(--ink); }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--accent) 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700;
  box-shadow: 0 6px 18px rgba(45, 96, 246, .28);
}
.logo small { font-size: 11.5px; font-weight: 400; color: var(--gray); display: block; line-height: 1; letter-spacing: .3px; margin-top: 2px; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { color: var(--ink); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  background: var(--ink); color: #fff !important; padding: 10px 22px;
  border-radius: 999px; font-weight: 500; font-size: 14.5px;
  transition: all .25s cubic-bezier(.2, .8, .2, 1);
}
.nav-cta:hover { background: var(--accent); transform: translateY(-1px); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--ink); }

/* ===== Hero v2.0（深色 + 不对称 + 玻璃卡） ===== */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 1200px 600px at 90% -10%, rgba(45, 96, 246, .18), transparent 55%),
    radial-gradient(ellipse 900px 500px at 0% 110%, rgba(160, 120, 200, .12), transparent 55%),
    var(--bg-dark);
  color: #fff; padding: 110px 0 120px;
}
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 72px; align-items: center; position: relative; }
.hero .eyebrow {
  display: inline-block; background: rgba(45, 96, 246, .2); color: #93C5FD;
  border: 1px solid rgba(45, 96, 246, .4);
  font-size: 12.5px; font-weight: 600; padding: 6px 16px; border-radius: 999px; margin-bottom: 26px;
  letter-spacing: .4px;
}
.hero h1 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', Georgia, serif;
  font-size: 56px; line-height: 1.18; font-weight: 700; letter-spacing: -.5px;
  margin-bottom: 24px; color: #fff;
}
.hero h1 em { color: #93C5FD; font-style: italic; font-weight: 400; }
.hero .slogan { color: var(--gold); font-weight: 500; font-size: 17px; margin: -10px 0 26px; letter-spacing: .3px; }
.hero p.lead { margin: 0 0 36px; color: #D4D4D8; font-size: 18px; line-height: 1.65; max-width: 540px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 30px; border-radius: 999px; font-size: 15px; font-weight: 500;
  cursor: pointer; border: none; transition: all .25s cubic-bezier(.2, .8, .2, 1);
  text-decoration: none;
}
.btn-primary { background: #fff; color: var(--ink); }
.btn-primary:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 14px 32px var(--accent-glow); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, .3); }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
.btn-blue { background: var(--accent); color: #fff; }
.btn-blue:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 14px 32px var(--accent-glow); }
.hero-stats { display: flex; gap: 40px; margin-top: 52px; flex-wrap: wrap; padding-top: 32px; border-top: 1px solid rgba(255, 255, 255, .12); }
.hero-stats .stat b { display: block; font-family: 'Libre Baskerville', serif; font-size: 32px; color: #fff; font-weight: 700; letter-spacing: -.5px; }
.hero-stats .stat span { font-size: 13px; color: #A1A1AA; letter-spacing: .5px; }

/* Hero 玻璃质感卡 */
.hero-card {
  position: relative;
  background: rgba(255, 255, 255, .97);
  color: var(--ink); border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, .35);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, .6);
}
.hero-card::before {
  content: ""; position: absolute; top: -10px; right: -10px; bottom: 24px; left: -10px;
  background: linear-gradient(135deg, rgba(45, 96, 246, .35), transparent 60%);
  border-radius: 28px; z-index: -1; opacity: .6;
}
.hero-card h3 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 19px; color: var(--ink); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; font-weight: 700;
}
.hero-card ul { list-style: none; }
.hero-card li {
  padding: 12px 0; border-bottom: 1px solid var(--line);
  display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: #3F3F46;
}
.hero-card li:last-child { border-bottom: none; }
.hero-card li .ico {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; line-height: 1;
}
.hero-card .worth { margin-top: 18px; background: #FEFCE8; border: 1px solid #FDE68A; border-radius: 12px; padding: 14px 18px; font-size: 13px; color: #713F12; line-height: 1.6; }
.hero-card .worth b { color: var(--accent); }

/* ===== 通用区块 ===== */
.section { padding: 100px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 64px; }
.section-head .kicker {
  color: var(--accent); font-weight: 600; font-size: 13px; letter-spacing: 2.5px; text-transform: uppercase;
  display: inline-block; margin-bottom: 14px;
}
.section-head h2 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', Georgia, serif;
  font-size: 42px; color: var(--ink); margin: 0 0 16px; line-height: 1.25; font-weight: 700; letter-spacing: -.5px;
}
.section-head p { color: var(--gray); font-size: 17px; max-width: 620px; margin: 0 auto; line-height: 1.7; }

/* 报告卡片 */
.report-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.report-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 30px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; transition: all .3s cubic-bezier(.2, .8, .2, 1); position: relative;
}
.report-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.report-card .num {
  width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-family: 'Libre Baskerville', serif; font-weight: 700; font-size: 19px; margin-bottom: 22px;
  background: var(--ink); color: #fff;
}
.report-card h3 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 22px; color: var(--ink); margin-bottom: 12px; font-weight: 700; line-height: 1.35;
}
.report-card p { font-size: 14.5px; color: var(--gray); flex: 1; line-height: 1.7; }
.report-card ul { list-style: none; margin: 16px 0 20px; }
.report-card ul li { font-size: 13.5px; color: var(--ink); padding: 5px 0 5px 24px; position: relative; }
.report-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.report-card .card-cta {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 500; font-size: 14.5px; color: var(--ink);
  border-top: 1px solid var(--line); padding-top: 18px; margin-top: auto;
}
.report-card:hover .card-cta { color: var(--accent); }
.report-card .card-cta::after { content: "→"; transition: transform .25s; }
.report-card:hover .card-cta::after { transform: translateX(4px); }
.tag {
  position: absolute; top: 24px; right: 24px; font-size: 11.5px; font-weight: 600;
  background: var(--ink); color: #fff; padding: 4px 12px; border-radius: 999px;
  letter-spacing: .5px;
}

/* 信任条 */
.trust-bar { background: var(--bg-dark); color: #fff; padding: 36px 0; }
.trust-row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 14px; font-size: 14px; color: #D4D4D8; }
.trust-item b { color: #fff; font-size: 15px; font-weight: 500; }
.trust-item .dot { width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .1); 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: 24px; }
.step { background: #fff; border-radius: var(--radius); padding: 32px 26px; border: 1px solid var(--line); box-shadow: var(--shadow); transition: all .25s; }
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.step .n {
  width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center; font-family: 'Libre Baskerville', serif;
  font-weight: 700; font-size: 17px; margin-bottom: 18px;
}
.step h4 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 18px; color: var(--ink); margin-bottom: 10px; font-weight: 700;
}
.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: 56px; align-items: center; }
.philosophy h3 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 30px; color: var(--ink); margin-bottom: 18px; font-weight: 700; line-height: 1.3;
}
.philosophy p { color: var(--gray); margin-bottom: 16px; font-size: 16px; line-height: 1.7; }
.philosophy blockquote {
  border-left: 3px solid var(--accent); background: var(--bg-soft);
  padding: 20px 24px; border-radius: 0 12px 12px 0; color: var(--ink); font-size: 17px; margin: 22px 0;
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif; font-style: italic;
}
.philosophy-points { list-style: none; counter-reset: ph; }
.philosophy-points li {
  counter-increment: ph; padding: 14px 0 14px 48px; position: relative; font-size: 16px;
  border-bottom: 1px solid var(--line); color: #3F3F46;
}
.philosophy-points li:last-child { border-bottom: none; }
.philosophy-points li b { color: var(--ink); font-weight: 600; }
.philosophy-points li::before {
  content: counter(ph, decimal-leading-zero); position: absolute; left: 0; top: 14px;
  font-family: 'Libre Baskerville', serif;
  color: var(--accent); font-size: 14px; font-weight: 700;
}

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; }
details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0; margin-bottom: 14px; transition: border-color .2s; }
details[open] { border-color: var(--accent); }
details summary {
  cursor: pointer; padding: 20px 26px; font-weight: 600; color: var(--ink);
  list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 16px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; font-size: 22px; color: var(--gray); transition: transform .2s; }
details[open] summary::after { content: "−"; color: var(--accent); }
details .faq-body { padding: 0 26px 22px; color: var(--gray); font-size: 15px; line-height: 1.7; }

/* CTA 横幅 */
.cta-banner {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--ink) 0%, #1a1a1f 60%, var(--accent) 140%);
  color: #fff; border-radius: var(--radius-xl); padding: 68px 56px; text-align: center;
}
.cta-banner::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(900px 400px at 80% 50%, rgba(45, 96, 246, .28), transparent 60%);
  pointer-events: none;
}
.cta-banner > * { position: relative; }
.cta-banner h2 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 38px; margin-bottom: 16px; font-weight: 700; letter-spacing: -.5px;
}
.cta-banner p { color: #D4D4D8; margin-bottom: 32px; max-width: 640px; margin-left: auto; margin-right: auto; font-size: 17px; }

/* ===== 详情页 ===== */
.page-hero {
  position: relative; overflow: hidden;
  background: var(--bg-dark); color: #fff; padding: 88px 0 100px;
  background-image:
    radial-gradient(700px 350px at 95% 0%, rgba(45, 96, 246, .18), transparent 60%),
    radial-gradient(500px 250px at 5% 100%, rgba(160, 120, 200, .12), transparent 60%);
}
.page-hero h1 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', Georgia, serif;
  font-size: 44px; line-height: 1.25; font-weight: 700; letter-spacing: -.5px; margin-bottom: 16px; color: #fff;
}
.crumb { font-size: 13.5px; color: #94A3B8; margin-bottom: 20px; }
.crumb a { color: #D4D4D8; transition: color .2s; }
.crumb a:hover { color: var(--accent); }
.page-hero .sub { color: #D4D4D8; margin: 18px 0 28px; max-width: 760px; font-size: 17px; line-height: 1.7; }
.page-hero .badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.badge {
  font-size: 12.5px; font-weight: 500; padding: 5px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .18); color: #E4E4E7;
}
.page-hero .worth-note { font-size: 13.5px; color: #93C5FD; }

.detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: start; }
.detail-main h2, .detail-aside h3 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 26px; color: var(--ink); margin: 48px 0 18px; font-weight: 700;
}
.detail-main h2:first-child, .detail-aside h3:first-child { margin-top: 0; }
.detail-main p { color: #52525B; margin-bottom: 16px; font-size: 15.5px; line-height: 1.8; }

/* 数据样例表格 */
.sample-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.sample-table th { background: var(--ink); color: #fff; padding: 12px 16px; text-align: left; font-weight: 500; font-size: 13px; }
.sample-table td { padding: 12px 16px; border-bottom: 1px solid var(--line); }
.sample-table tr:last-child td { border-bottom: none; }
.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: 18px 0 18px 56px; position: relative;
  border-bottom: 1px solid var(--line); font-size: 15px;
}
.chapter-list li::before {
  content: counter(ch, decimal-leading-zero); position: absolute; left: 0; top: 18px;
  font-family: 'Libre Baskerville', serif;
  color: var(--accent); font-weight: 700; font-size: 14px;
}
.chapter-list li b { color: var(--ink); display: block; font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.chapter-list li span { color: var(--gray); font-size: 13.5px; }

/* 侧栏 */
.detail-aside { position: sticky; top: 96px; }
.aside-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 28px; margin-bottom: 22px;
}
.aside-card h3 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 19px; color: var(--ink); margin: 0 0 16px; font-weight: 700;
}
.aside-card .price-old { text-decoration: line-through; color: #A1A1AA; font-size: 14px; }
.aside-card .price-now {
  font-family: 'Libre Baskerville', serif;
  font-size: 36px; font-weight: 700; color: var(--accent); margin: 6px 0 4px;
}
.aside-card .price-note { font-size: 12.5px; color: var(--gray); margin-bottom: 22px; }
.aside-card ul { list-style: none; margin-bottom: 22px; }
.aside-card ul li { font-size: 14px; padding: 6px 0 6px 26px; position: relative; color: #3F3F46; }
.aside-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); 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: 10px 0 10px 28px; position: relative; color: #3F3F46; border-bottom: 1px solid var(--line); }
.who-list li:last-child { border-bottom: none; }
.who-list li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* 数据来源标签 */
.source-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.source-tag {
  font-size: 12px; background: var(--bg-soft); color: var(--ink);
  padding: 4px 12px; border-radius: 6px; font-weight: 500;
}

/* 判断/警示块 */
.callout { border-radius: 12px; padding: 20px 22px; margin: 20px 0; font-size: 14.5px; line-height: 1.7; }
.callout.warn { background: var(--red-soft); border: 1px solid #FECACA; color: #7F1D1D; }
.callout.info { background: var(--accent-soft); border: 1px solid #BFDBFE; color: #1E3A5F; }
.callout b { display: block; margin-bottom: 6px; font-size: 14px; }

/* ===== 表单页 ===== */
.form-wrap { max-width: 760px; margin: 0 auto; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 48px; }
.form-card h2 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 28px; color: var(--ink); margin-bottom: 8px; font-weight: 700;
}
.form-card .form-sub { color: var(--gray); font-size: 15px; margin-bottom: 32px; }
.field { margin-bottom: 22px; }
.field label { display: block; font-weight: 500; font-size: 14.5px; color: var(--ink); margin-bottom: 8px; }
.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: 14px 16px; border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 15px; font-family: inherit; transition: all .2s; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(45, 96, 246, .12); }
.field .hint { font-size: 12.5px; color: var(--gray); margin-top: 6px; }
.field .err-msg { font-size: 12.5px; color: var(--red); margin-top: 6px; 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: 12px; }
.pick {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 14px 16px;
  display: flex; align-items: center; gap: 12px; cursor: pointer; font-size: 14px;
  transition: all .2s; background: #fff;
}
.pick:hover { border-color: var(--accent); }
.pick input { accent-color: var(--accent); width: 16px; height: 16px; }
.pick.checked { border-color: var(--accent); background: var(--accent-soft); font-weight: 500; }
.form-note { font-size: 12.5px; color: var(--gray); margin-top: 18px; display: flex; gap: 6px; align-items: flex-start; }
.submit-bar { margin-top: 30px; }
.submit-bar .btn { width: 100%; padding: 16px; font-size: 16px; }
.form-privacy { text-align: center; font-size: 12.5px; color: var(--gray); margin-top: 16px; }

/* 成功态 */
.success-box { display: none; text-align: center; padding: 32px 0; }
.success-box .big-check {
  width: 80px; height: 80px; border-radius: 50%; background: var(--green-soft); color: var(--green);
  font-size: 40px; display: flex; align-items: center; justify-content: center; margin: 0 auto 22px;
}
.success-box h2 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  color: var(--ink); margin-bottom: 10px; font-weight: 700;
}
.success-box p { color: var(--gray); max-width: 480px; margin: 0 auto 10px; font-size: 15px; }
.success-box .next-steps { text-align: left; max-width: 460px; margin: 24px auto 0; background: var(--bg-soft); border-radius: 12px; padding: 22px 28px; }
.success-box .next-steps li { font-size: 14px; color: #3F3F46; margin: 6px 0 6px 18px; }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-darker); color: #94A3B8; padding: 72px 0 36px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 56px; margin-bottom: 44px; }
.site-footer h4 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  color: #fff; font-size: 14px; margin-bottom: 18px; font-weight: 600; letter-spacing: .5px;
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: #94A3B8; transition: color .2s; }
.site-footer a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; color: #fff; font-weight: 700; font-size: 17px; font-family: 'Libre Baskerville', 'Noto Serif SC', serif; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding-top: 24px; 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; gap: 40px; }
  .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: 68px 0 78px; }
  .hero h1 { font-size: 38px; }
  .section-head h2 { font-size: 32px; }
  .page-hero { padding: 64px 0 72px; }
  .page-hero h1 { font-size: 32px; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 72px; 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: 64px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 26px; }
  .hero h1 { font-size: 30px; }
  .page-hero h1 { font-size: 26px; }
  .form-card { padding: 32px 24px; }
  .report-pick { grid-template-columns: 1fr; }
  .cta-banner { padding: 48px 24px; }
  .cta-banner h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
  .sample-table { font-size: 12.5px; display: block; overflow-x: auto; }
  .hero-stats { gap: 24px; }
}

/* ===== 改版新增：slogan / 博客 / 文章页 / 问答中心 ===== */

/* 博客卡片 */
.post-card { padding-bottom: 24px; }
.post-card .meta { font-size: 12.5px; color: #94A3B8; margin: 6px 0 12px; }
.post-card .meta span { margin-right: 12px; }
.post-card h3 a { color: var(--ink); transition: color .2s; }
.post-card h3 a:hover { color: var(--accent); }
.cat-label {
  display: inline-block; font-size: 11.5px; font-weight: 600; color: var(--accent);
  background: var(--accent-soft); border-radius: 999px; padding: 4px 12px; margin-bottom: 12px;
  letter-spacing: .5px;
}
.read-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; font-size: 14.5px; color: var(--ink); margin-top: 6px; transition: color .2s; }
.read-more:hover { color: var(--accent); }

/* 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: 12px; }
.prose h2 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 28px; color: var(--ink); margin: 48px 0 16px; padding-left: 16px; border-left: 3px solid var(--accent);
  font-weight: 700; letter-spacing: -.3px;
}
.prose h3 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 20px; color: var(--ink); margin: 28px 0 12px; font-weight: 700;
}
.prose p { color: #3F3F46; margin-bottom: 16px; font-size: 16px; line-height: 1.85; }
.prose ul, .prose ol { margin: 0 0 20px 24px; color: #3F3F46; font-size: 15.5px; }
.prose li { margin-bottom: 10px; line-height: 1.8; }
.prose b { color: var(--ink); }
.prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.prose th { background: var(--ink); color: #fff; padding: 12px 16px; text-align: left; font-weight: 500; }
.prose td { padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 14px; }
.prose tr:last-child td { border-bottom: none; }
.prose tr:nth-child(even) td { background: var(--bg-soft); }
.post-cta {
  position: relative; overflow: hidden;
  margin-top: 48px; background: linear-gradient(120deg, var(--ink) 0%, #1a1a1f 70%, var(--accent) 140%);
  color: #fff; border-radius: 18px; padding: 36px; text-align: center;
}
.post-cta h3 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  color: #fff; font-size: 22px; margin-bottom: 10px; font-weight: 700;
}
.post-cta p { color: #D4D4D8; font-size: 15px; margin-bottom: 22px; }
.post-nav { display: flex; justify-content: space-between; gap: 18px; margin-top: 40px; flex-wrap: wrap; }
.post-nav a {
  flex: 1; min-width: 240px; background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 22px; font-size: 14px; color: var(--ink); font-weight: 500;
  transition: all .2s;
}
.post-nav a:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.post-nav a small { display: block; color: var(--gray); font-weight: 400; font-size: 12px; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 1px; }

/* 问答中心 */
.qa-group { margin-bottom: 48px; }
.qa-group h2 {
  font-family: 'Libre Baskerville', 'Noto Serif SC', serif;
  font-size: 26px; color: var(--ink); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--ink); font-weight: 700;
}
.qa-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 26px; margin-bottom: 14px; transition: border-color .2s; }
.qa-item:hover { border-color: var(--accent); }
.qa-item h3 { font-size: 16.5px; color: var(--ink); margin-bottom: 10px; font-weight: 600; }
.qa-item p { font-size: 14.5px; color: #52525B; line-height: 1.75; }
.qa-item p b { color: var(--ink); }