/* ===== 艺流管家 产品官网 共享样式 ===== */
:root {
  --navy-900: #14365c;
  --navy-700: #1d4e86;
  --navy-500: #357abd;
  --navy-100: #e8f1fb;
  --gold-500: #f48220;
  --gold-600: #d9700f;
  --gold-100: #fff3e6;
  --ink: #1c2733;
  --ink-2: #4a5a6b;
  --ink-3: #8494a5;
  --line: #e3eaf2;
  --bg: #f6f9fc;
  --card: #ffffff;
  --green-600: #1f8a5b;
  --green-100: #e6f5ee;
  --red-600: #c0392b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--navy-500); text-decoration: none; }
a:hover { color: var(--gold-600); }
img { max-width: 100%; }
ul { list-style: none; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 34px;
  height: 62px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-weight: 800;
  color: var(--navy-900);
  font-size: 19px;
  letter-spacing: 1px;
  white-space: nowrap;
}
.brand em {
  font-style: normal;
  color: var(--gold-500);
}
.brand .slogan {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: .5px;
}
.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
  align-items: center;
}
.nav-links a {
  color: var(--ink-2);
  font-size: 14px;
  padding: 8px 13px;
  border-radius: 8px;
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--gold-600); background: rgba(53,122,189,.06); }
.nav-links a.active { color: var(--gold-600); font-weight: 600; }
.nav-cta {
  margin-left: 10px;
  background: var(--gold-500) !important;
  color: #fff !important;
  font-weight: 700;
  border-radius: 999px !important;
  padding: 8px 18px !important;
}
.nav-cta:hover { background: var(--gold-600) !important; color: #fff !important; }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--line);
  color: var(--navy-700);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  font-size: 20px;
  cursor: pointer;
}
@media (max-width: 920px) {
  .nav-wrap { gap: 16px; }
  .brand .slogan { display: none; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    padding: 12px 20px 18px;
    gap: 2px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(18,54,88,.15);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 10px; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-left: 0; margin-top: 8px; text-align: center; border: none; }
}

/* ===== 面包屑 ===== */
.breadcrumb {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 22px 0;
  font-size: 12.5px;
  color: var(--ink-3);
}
.breadcrumb a { color: var(--ink-3); }
.breadcrumb a:hover { color: var(--gold-600); }
.breadcrumb span { margin: 0 6px; color: var(--line); }

/* ===== 通用页面容器 ===== */
.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 30px 22px 70px;
}
.page-title {
  text-align: center;
  margin-bottom: 12px;
}
.page-title .kicker {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: 3px;
  color: var(--gold-600);
  border: 1px solid rgba(244,130,32,.5);
  border-radius: 999px;
  padding: 4px 15px;
  margin-bottom: 14px;
  font-weight: 600;
}
.page-title h1 { font-size: 30px; font-weight: 800; color: var(--navy-900); letter-spacing: 1px; }
.page-title p { max-width: 760px; margin: 10px auto 0; font-size: 14.5px; color: var(--ink-2); }

/* ===== 区块 ===== */
.section { margin-top: 46px; }
.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}
.section-head .no {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--navy-100);
  color: var(--navy-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
}
.section-head h2 { font-size: 22px; font-weight: 700; color: var(--navy-900); }
.section-head .hint { font-size: 13px; color: var(--ink-3); margin-left: auto; }

/* ===== Hero（首页/通用页顶） ===== */
.hero {
  background: linear-gradient(160deg, var(--navy-100) 0%, #f8fbff 55%, #ffffff 100%);
  color: var(--ink);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53,122,189,.16) 0%, transparent 65%);
}
.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 44px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero .kicker {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: 3px;
  color: var(--navy-700);
  border: 1px solid rgba(53,122,189,.35);
  border-radius: 999px;
  padding: 4px 15px;
  margin-bottom: 18px;
  font-weight: 600;
}
.hero h1 { font-size: 34px; font-weight: 800; letter-spacing: 1px; line-height: 1.35; color: var(--navy-900); }
.hero h1 em { font-style: normal; color: var(--gold-500); }
.hero .sub { margin-top: 14px; font-size: 15px; color: var(--ink-2); max-width: 560px; }
.hero .price-line { margin-top: 24px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.hero .price-line .big { font-size: 40px; font-weight: 800; color: var(--gold-500); letter-spacing: 1px; }
.hero .price-line .note { font-size: 13.5px; color: var(--ink-3); }
.hero-btns { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: transform .15s, box-shadow .15s, background .15s;
  border: none;
  cursor: pointer;
}
.btn-gold { background: var(--gold-500); color: #fff; }
.btn-gold:hover { background: var(--gold-600); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(244,130,32,.35); }
.btn-ghost { background: transparent; color: var(--navy-700); border: 1.5px solid var(--navy-500); }
.btn-ghost:hover { border-color: var(--gold-500); color: var(--gold-500); }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hero-stat {
  background: rgba(255,255,255,.85);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 6px 16px rgba(18,54,88,.06);
}
.hero-stat b { display: block; font-size: 26px; font-weight: 800; color: var(--gold-500); }
.hero-stat span { font-size: 12.5px; color: var(--ink-3); }
.hero-visual {
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  box-shadow: 0 12px 30px rgba(18,54,88,.08);
}
.hero-visual h3 { font-size: 15px; color: var(--navy-700); font-weight: 600; margin-bottom: 14px; }
.hero-visual .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--ink-2);
}
.hero-visual .row b { color: var(--navy-700); }
.hero-visual .total { margin-top: 14px; text-align: right; font-size: 14px; color: var(--ink-2); }
.hero-visual .total b { font-size: 24px; color: var(--gold-500); }
@media (max-width: 920px) {
  .hero { padding: 52px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .hero h1 { font-size: 26px; }
}

/* ===== 卡片网格 ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px;
  box-shadow: 0 6px 18px rgba(18, 54, 88, .07);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(18, 54, 88, .12); }
.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--navy-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.card .icon svg { width: 24px; height: 24px; stroke: var(--navy-700); }
.card h3 { font-size: 16.5px; font-weight: 700; color: var(--navy-900); margin-bottom: 8px; }
.card h3 .opt { font-size: 11.5px; color: var(--navy-500); background: var(--navy-100); border-radius: 4px; padding: 1px 8px; margin-left: 6px; vertical-align: 2px; font-weight: 600; }
.card p { font-size: 13.5px; color: var(--ink-2); margin-bottom: 10px; }
.card ul li {
  font-size: 13px;
  color: var(--ink-2);
  padding: 3px 0 3px 18px;
  position: relative;
}
.card ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--navy-500);
}
.card.gold-line { border-top: 3px solid var(--gold-500); }
.card.gold-card { border-left: 4px solid var(--gold-500); }

/* ===== 价格卡片 ===== */
.price-card {
  background: var(--card);
  border-radius: 16px;
  padding: 28px 26px;
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(18, 54, 88, .07);
  position: relative;
}
.price-card.highlight {
  border: 2px solid var(--gold-500);
  box-shadow: 0 10px 26px rgba(63, 169, 255, .18);
}
.price-card .tag {
  position: absolute;
  top: -12px;
  right: 18px;
  background: var(--gold-500);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  padding: 3px 12px;
  letter-spacing: 1px;
}
.price-card .tag.optional { background: var(--navy-500); }
.price-card .name { font-size: 15px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.price-card .amount { font-size: 40px; font-weight: 800; color: var(--navy-900); letter-spacing: -1px; }
.price-card .amount small { font-size: 15px; font-weight: 600; color: var(--ink-3); letter-spacing: 0; margin-left: 2px; }
.price-card .per { font-size: 13px; color: var(--ink-3); margin-bottom: 14px; }
.price-card ul { border-top: 1px dashed var(--line); padding-top: 14px; }
.price-card ul li {
  font-size: 13.5px;
  color: var(--ink-2);
  padding: 4px 0 4px 20px;
  position: relative;
}
.price-card ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-500);
}

/* ===== 表格 ===== */
.table-wrap {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--card);
}
.table-wrap table { width: 100%; border-collapse: collapse; }
.table-wrap th, .table-wrap td { padding: 12px 18px; font-size: 14px; text-align: center; }
.table-wrap th { background: var(--navy-100); color: var(--navy-900); font-weight: 700; }
.table-wrap td { color: var(--ink-2); border-top: 1px solid var(--line); }
.table-wrap tr.hot td { background: #fff3e6; color: var(--ink); font-weight: 600; }

/* ===== 深浅区块 ===== */
.dark-panel {
  background: linear-gradient(135deg, var(--navy-100), #ffffff 70%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px 34px;
  color: var(--ink-2);
  box-shadow: 0 10px 26px rgba(18, 54, 88, .08);
}
.light-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px 32px;
  box-shadow: 0 6px 18px rgba(18, 54, 88, .07);
}

/* ===== 案例 ===== */
.case-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}
.case-name { font-size: 21px; font-weight: 800; color: var(--gold-600); letter-spacing: 1px; }
.case-sub { font-size: 13.5px; color: var(--ink-2); margin-top: 5px; }
.case-stats { display: flex; gap: 28px; }
.case-stats .stat { text-align: center; }
.case-stats .stat b { display: block; font-size: 28px; font-weight: 800; color: var(--navy-900); line-height: 1.2; }
.case-stats .stat span { font-size: 12px; color: var(--ink-3); }
.case-points { margin-top: 18px; }
.case-points li {
  font-size: 14px;
  color: var(--ink-2);
  padding: 7px 0 7px 26px;
  position: relative;
}
.case-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 15px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-500);
}
@media (max-width: 640px) { .case-stats { gap: 16px; } .case-stats .stat b { font-size: 22px; } }

/* ===== FAQ ===== */
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 26px;
  margin-bottom: 14px;
}
.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 8px;
  padding-left: 30px;
  position: relative;
}
.faq-item h3::before {
  content: "Q";
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--navy-100);
  color: var(--navy-700);
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-item p { font-size: 14px; color: var(--ink-2); padding-left: 30px; position: relative; }
.faq-item p::before {
  content: "A";
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--gold-100);
  color: var(--gold-600);
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== 表单 ===== */
.contact-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px 32px;
  box-shadow: 0 6px 18px rgba(18, 54, 88, .07);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.contact-form label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(244,130,32,.18);
}
.contact-form textarea { resize: vertical; min-height: 96px; }
.form-tip { font-size: 12px; color: var(--ink-3); margin-top: 10px; }

/* ===== 内容区（长文页） ===== */
.content-body { max-width: 880px; margin: 0 auto; }
.content-body h3 { font-size: 18px; color: var(--navy-900); margin: 26px 0 10px; padding-left: 14px; border-left: 4px solid var(--gold-500); }
.content-body h4 { font-size: 15.5px; color: var(--navy-700); margin: 18px 0 8px; }
.content-body p { font-size: 14.5px; color: var(--ink-2); margin-bottom: 12px; }
.content-body ul { margin-bottom: 14px; }
.content-body ul li {
  font-size: 14px;
  color: var(--ink-2);
  padding: 4px 0 4px 22px;
  position: relative;
}
.content-body ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-500);
}

/* ===== 步骤条 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; text-align: center; counter-increment: step; }
.step b { display: block; font-size: 14.5px; color: var(--navy-900); margin: 8px 0 4px; }
.step span { font-size: 12.5px; color: var(--ink-3); }
.step .num {
  width: 34px;
  height: 34px;
  margin: 0 auto;
  border-radius: 50%;
  background: var(--navy-100);
  color: var(--navy-700);
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step .num::after { content: counter(step); }

/* ===== CTA ===== */
.cta-band {
  margin-top: 48px;
  background: linear-gradient(135deg, var(--navy-100), #ffffff 75%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 38px 40px;
  text-align: center;
  color: var(--ink);
  box-shadow: 0 10px 26px rgba(18,54,88,.07);
}
.cta-band h2 { font-size: 24px; font-weight: 800; letter-spacing: 1px; color: var(--navy-900); }
.cta-band h2 em { font-style: normal; color: var(--gold-500); }
.cta-band p { margin-top: 10px; font-size: 14px; color: var(--ink-2); }
.cta-band .btn { margin-top: 22px; }
.cta-band .contact-line { margin-top: 16px; font-size: 14px; color: var(--ink-2); }
.cta-band .contact-line b { color: var(--gold-600); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--card);
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  margin-top: 40px;
  padding: 44px 0 30px;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 34px;
}
@media (max-width: 900px) { .footer-inner { grid-template-columns: 1fr; gap: 26px; } }
.footer-inner h4 { font-size: 14px; color: var(--navy-900); font-weight: 700; margin-bottom: 14px; letter-spacing: 1px; }
.footer-inner p, .footer-inner li { font-size: 13px; line-height: 2; }
.footer-inner .brand { font-size: 20px; margin-bottom: 8px; }
.footer-inner .brand em { color: var(--gold-500); }
.footer-links a { display: block; color: var(--ink-3); font-size: 13px; padding: 3px 0; }
.footer-links a:hover { color: var(--gold-600); }
.footer-contact b { color: var(--gold-600); }
.footer-bottom {
  max-width: 1180px;
  margin: 30px auto 0;
  padding: 20px 22px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--ink-3);
}
.footer-bottom a { color: var(--ink-2); }
.footer-bottom a:hover { color: var(--gold-600); }

/* ===== 打印 ===== */
@media print {
  body { background: #fff; }
  .site-header, .site-footer, .cta-band, .breadcrumb { display: none; }
  .dark-panel, .hero { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}