/* 铭赞网络·百家号运营服务站点 — 全站样式 */
:root {
  --navy: #0b1f3a;
  --navy-2: #122a4d;
  --navy-3: #1b3a6b;
  --gold: #c8a35e;
  --gold-2: #a88547;
  --gold-soft: #d6b574;
  --cream: #f6f4ee;
  --cream-2: #ede8dc;
  --ink: #1a1a1a;
  --gray-1: #5a6473;
  --gray-2: #8a95a6;
  --gray-3: #b3bcc9;
  --line: #e4ded1;
  --red: #d33a2c;
  --green: #2f7d4f;
  --white: #ffffff;
  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  --display: "Cormorant Garamond", "Source Han Serif SC", serif;
  --shadow-sm: 0 1px 2px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 24px 60px rgba(11, 31, 58, 0.12);
  --radius: 6px;
  --radius-lg: 10px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 28px; }
.lead { color: var(--gray-1); font-size: 17px; line-height: 1.85; }
.muted { color: var(--gray-2); }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 31, 58, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  box-shadow: var(--shadow-md);
}
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 28px;
  max-width: 1320px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fff;
}
.brand-mark {
  width: 40px; height: 40px; border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  display: flex; align-items: center; justify-content: center;
  color: var(--navy); font-family: var(--serif);
  font-weight: 700; font-size: 19px;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.12), 0 4px 14px rgba(200,163,94,0.32);
}
.brand-text {
  display: flex; align-items: baseline; gap: 10px; letter-spacing: 0.5px;
}
.brand-name {
  font-family: var(--serif); font-size: 20px; font-weight: 600; color: #fff;
}
.brand-r { font-family: var(--serif); font-size: 11px; vertical-align: super; line-height: 1; color: var(--gold); margin-left: 2px; }
.brand-divider { width: 1px; height: 18px; background: rgba(255,255,255,0.35); }
.brand-suffix { font-family: var(--serif); font-size: 17px; color: rgba(255,255,255,0.92); letter-spacing: 1px; }

.nav-list {
  display: flex; align-items: center; gap: 28px;
  list-style: none; padding: 0; margin: 0;
}
.nav-list > li { position: relative; }
.nav-list a {
  color: rgba(255,255,255,0.86); font-size: 14px; letter-spacing: 0.5px;
  position: relative; padding: 6px 0; transition: color 0.25s;
}
.nav-list a:hover, .nav-list a:focus, .nav-list a.is-active { color: var(--gold); }
.nav-list a::after {
  content: ""; position: absolute; left: 50%; bottom: 0;
  width: 0; height: 2px; background: var(--gold);
  transition: width 0.25s, left 0.25s;
}
.nav-list a:hover::after, .nav-list a:focus::after, .nav-list a.is-active::after {
  width: 100%; left: 0;
}
.nav-list .has-sub > a::after { display: none; }
.nav-list .has-sub { position: relative; }
.sub-menu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  background: #fff; color: var(--ink); border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 12px; min-width: 220px;
  list-style: none; margin: 0;
  opacity: 0; visibility: hidden; transition: 0.22s; pointer-events: none;
}
.sub-menu li { list-style: none; }
.sub-menu a {
  display: block; padding: 10px 14px; border-radius: 4px; color: var(--ink);
  font-size: 13px;
}
.sub-menu a:hover { background: var(--cream); color: var(--navy); }
.sub-menu a::after { display: none; }
.has-sub:hover .sub-menu, .has-sub:focus-within .sub-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); pointer-events: auto;
}

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gold); color: var(--navy);
  font-weight: 600; padding: 10px 18px; border-radius: var(--radius);
  font-size: 14px; letter-spacing: 0.5px; transition: 0.2s;
}
.nav-cta:hover { background: var(--gold-soft); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(200,163,94,0.35); }
.nav-cta svg { width: 14px; height: 14px; }

.nav-toggle {
  display: none; width: 42px; height: 42px;
  color: #fff; align-items: center; justify-content: center;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: currentColor; position: relative; transition: 0.25s; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 22px; height: 2px;
  background: currentColor; transition: 0.25s;
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: rotate(45deg); top: 0; }
.nav-toggle.is-open span::after { transform: rotate(-45deg); top: 0; }

/* ===== 面包屑 ===== */
.breadcrumb {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  font-size: 13px;
  color: var(--gray-1);
}
.breadcrumb ol {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "›"; color: var(--gray-3); font-size: 14px; }
.breadcrumb a { color: var(--gray-1); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .current { color: var(--navy); font-weight: 500; }

/* ===== 通用板块 ===== */
section { padding: 96px 0; position: relative; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-eyebrow {
  font-family: var(--display); font-size: 13px; letter-spacing: 6px;
  color: var(--gold); text-transform: uppercase; margin-bottom: 16px;
}
.section-title {
  font-family: var(--serif); font-size: 42px; font-weight: 600;
  letter-spacing: 1px; line-height: 1.25; margin: 0 0 16px; color: var(--navy);
}
.section-title em { color: var(--gold); font-style: normal; }
.section-sub { color: var(--gray-1); font-size: 16px; line-height: 1.85; margin: 0; }
.section-divider {
  display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 18px;
}
.section-divider::before, .section-divider::after {
  content: ""; width: 32px; height: 1px; background: var(--gold);
}

/* ===== 首屏（首页专属） ===== */
.hero {
  position: relative; color: #fff;
  padding: 110px 0 80px; overflow: hidden;
  background: linear-gradient(135deg, #0b1f3a 0%, #102a52 50%, #1b3a6b 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(1000px 540px at 78% 12%, rgba(200,163,94,0.22), transparent 60%),
    radial-gradient(800px 460px at 10% 100%, rgba(58,90,160,0.4), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .22 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.28; mix-blend-mode: overlay;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px; border: 1px solid rgba(200,163,94,0.4); border-radius: 100px;
  background: rgba(200,163,94,0.08);
  font-size: 11px; letter-spacing: 2px; color: var(--gold); text-transform: uppercase;
  animation: fadeUp 0.8s 0.1s both;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200,163,94,0.18); animation: pulse 2s infinite;
}
.hero h1 {
  font-family: var(--serif); font-size: 56px; line-height: 1.14;
  margin: 20px 0 18px; font-weight: 600; letter-spacing: 1px;
  animation: fadeUp 0.8s 0.25s both;
}
.hero h1 em { font-style: normal; color: var(--gold); position: relative; display: inline-block; }
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 8px;
  background: linear-gradient(90deg, rgba(200,163,94,0.25), rgba(200,163,94,0));
  z-index: -1;
}
.hero p.lead {
  font-size: 17px; color: rgba(255,255,255,0.78); max-width: 580px;
  margin: 0 0 32px; line-height: 1.85; animation: fadeUp 0.8s 0.4s both;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; animation: fadeUp 0.8s 0.55s both; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px; letter-spacing: 0.5px; transition: 0.2s;
}
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { background: var(--gold-soft); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(200,163,94,0.4); }
.btn-ghost { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.28); }
.btn-ghost:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }
.btn svg { width: 16px; height: 16px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
  animation: fadeUp 0.8s 0.7s both;
}
.hero-stat {
  padding: 22px 20px; border: 1px solid rgba(255,255,255,0.1); border-radius: 8px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  position: relative; overflow: hidden; transition: 0.25s;
}
.hero-stat:hover { border-color: rgba(200,163,94,0.4); transform: translateY(-3px); }
.hero-stat::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--gold);
}
.hero-stat .num {
  font-family: var(--display); font-size: 40px; font-weight: 600;
  color: var(--gold); line-height: 1; letter-spacing: 0.5px;
}
.hero-stat .num small { font-size: 16px; color: var(--gold); margin-left: 4px; font-family: var(--sans); font-weight: 500; }
.hero-stat .label { margin-top: 8px; font-size: 13px; color: rgba(255,255,255,0.78); letter-spacing: 1px; }

/* ===== 服务 ===== */
.services { background: #fff; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card {
  position: relative; background: var(--cream); border-radius: 8px;
  padding: 32px 26px 28px; border: 1px solid transparent;
  transition: 0.3s; overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 0.35s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(200,163,94,0.2); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(200,163,94,0.18), rgba(200,163,94,0.05));
  color: var(--gold); display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  transition: 0.3s;
}
.service-icon svg { width: 26px; height: 26px; }
.service-card:hover .service-icon { background: linear-gradient(135deg, var(--gold), var(--gold-2)); color: #fff; }
.service-card h3 { font-family: var(--serif); font-size: 20px; margin: 0 0 10px; color: var(--navy); letter-spacing: 0.5px; }
.service-card p { color: var(--gray-1); font-size: 14px; line-height: 1.85; margin: 0 0 14px; }
.service-card .more { font-size: 13px; color: var(--gold); display: inline-flex; align-items: center; gap: 4px; }
.service-card .more::after { content: "→"; transition: transform 0.2s; }
.service-card:hover .more::after { transform: translateX(3px); }
.service-num { position: absolute; right: 22px; top: 22px; font-family: var(--display); font-size: 13px; color: var(--gray-2); letter-spacing: 2px; }

/* ===== 流程 ===== */
.process { background: var(--cream); }
.process-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; position: relative;
}
.process-grid::before {
  content: ""; position: absolute; left: 8%; right: 8%; top: 30px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 12%, var(--gold) 88%, transparent);
  opacity: 0.4; z-index: 0;
}
.process-step { position: relative; z-index: 1; text-align: center; padding: 0 6px; }
.process-num {
  width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 18px; background: #fff;
  border: 2px solid var(--gold); color: var(--gold); font-family: var(--display);
  font-size: 22px; font-weight: 600; display: flex; align-items: center; justify-content: center;
  transition: 0.3s;
}
.process-step:hover .process-num { background: var(--gold); color: #fff; transform: scale(1.05); }
.process-step h4 { font-family: var(--serif); font-size: 17px; color: var(--navy); margin: 0 0 8px; letter-spacing: 0.5px; }
.process-step p { color: var(--gray-1); font-size: 13px; line-height: 1.7; margin: 0; }

/* ===== 优势数字 ===== */
.advantages {
  background: linear-gradient(135deg, #0b1f3a 0%, #122a4d 100%);
  color: #fff; position: relative; overflow: hidden;
}
.advantages::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(800px 400px at 20% 0%, rgba(200,163,94,0.18), transparent 60%),
    radial-gradient(700px 400px at 100% 100%, rgba(58,90,160,0.35), transparent 60%);
}
.advantages .section-title { color: #fff; }
.advantages .section-sub { color: rgba(255,255,255,0.7); }
.advantages-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
  position: relative; z-index: 1;
}
.advantage {
  text-align: center; padding: 30px 22px; border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px; background: rgba(255,255,255,0.02); transition: 0.3s;
}
.advantage:hover { transform: translateY(-4px); border-color: rgba(200,163,94,0.4); background: rgba(255,255,255,0.04); }
.advantage .big { font-family: var(--display); font-size: 56px; font-weight: 600; color: var(--gold); line-height: 1; letter-spacing: 1px; }
.advantage .big small { font-family: var(--sans); font-size: 16px; font-weight: 500; color: var(--gold); margin-left: 4px; }
.advantage .name { margin-top: 12px; font-family: var(--serif); font-size: 19px; letter-spacing: 1px; }
.advantage .desc { margin-top: 8px; font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.7; letter-spacing: 0.5px; }

/* ===== 套餐 ===== */
.packages { background: #fff; }
.packages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pkg {
  position: relative; background: var(--cream); border: 1px solid var(--line);
  border-radius: 8px; padding: 40px 32px 32px; transition: 0.3s;
  display: flex; flex-direction: column;
}
.pkg:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pkg.featured { border-color: var(--gold); background: linear-gradient(180deg, #fff 0%, var(--cream) 60%); box-shadow: 0 24px 48px rgba(200,163,94,0.12); }
.pkg-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: var(--navy); font-size: 12px; letter-spacing: 2px;
  padding: 6px 16px; border-radius: 100px; font-weight: 600;
}
.pkg-name { font-family: var(--serif); font-size: 24px; color: var(--navy); margin: 0 0 4px; letter-spacing: 1px; }
.pkg-tag { color: var(--gray-1); font-size: 13px; margin: 0 0 20px; letter-spacing: 1px; }
.pkg-price {
  display: flex; align-items: baseline; gap: 6px; padding-bottom: 20px;
  border-bottom: 1px dashed var(--line); margin-bottom: 20px;
}
.pkg-price .cur { font-size: 17px; color: var(--gray-1); }
.pkg-price .num { font-family: var(--display); font-size: 48px; color: var(--navy); font-weight: 600; line-height: 1; }
.pkg-price .unit { font-size: 13px; color: var(--gray-1); }
.pkg-list { list-style: none; padding: 0; margin: 0 0 26px; flex: 1; }
.pkg-list li {
  display: flex; align-items: flex-start; gap: 10px; padding: 8px 0;
  font-size: 14px; color: var(--gray-1); line-height: 1.6;
}
.pkg-list li svg { flex: 0 0 auto; width: 18px; height: 18px; color: var(--gold); margin-top: 2px; }
.pkg-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius); background: #fff;
  border: 1px solid var(--navy); color: var(--navy); font-weight: 600;
  font-size: 14px; letter-spacing: 0.5px; transition: 0.2s;
}
.pkg-cta:hover { background: var(--navy); color: #fff; transform: translateY(-2px); }
.pkg.featured .pkg-cta { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.pkg.featured .pkg-cta:hover { background: var(--navy); border-color: var(--navy); color: #fff; }

/* ===== 案例 ===== */
.cases { background: var(--cream); }
.cases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.case-card {
  background: #fff; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--line); transition: 0.3s;
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-cover {
  position: relative; aspect-ratio: 4/3; overflow: hidden; background: #1b3a6b;
}
.case-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.case-card:hover .case-cover img { transform: scale(1.06); }
.case-tag {
  position: absolute; left: 14px; top: 14px;
  background: rgba(11,31,58,0.85); color: #fff;
  padding: 4px 10px; border-radius: 4px; font-size: 12px; letter-spacing: 1px;
}
.case-body { padding: 22px 20px; flex: 1; display: flex; flex-direction: column; }
.case-title { font-family: var(--serif); font-size: 17px; color: var(--navy); margin: 0 0 8px; line-height: 1.4; letter-spacing: 0.5px; }
.case-keywords { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.case-keywords span {
  font-size: 12px; color: var(--gold); padding: 3px 9px;
  background: rgba(200,163,94,0.08); border-radius: 4px;
}
.case-stats {
  display: flex; justify-content: space-between;
  padding-top: 12px; border-top: 1px solid var(--line); margin-top: auto;
}
.case-stat { text-align: center; }
.case-stat .v { font-family: var(--display); font-size: 20px; color: var(--navy); font-weight: 600; line-height: 1; }
.case-stat .v small { font-size: 11px; }
.case-stat .k { font-size: 11px; color: var(--gray-1); margin-top: 4px; letter-spacing: 1px; }

/* ===== FAQ ===== */
.faq { background: #fff; }
.faq-grid { display: grid; grid-template-columns: 320px 1fr; gap: 64px; align-items: flex-start; }
.faq-aside { position: sticky; top: 96px; }
.faq-aside h2 {
  font-family: var(--serif); font-size: 38px; color: var(--navy);
  margin: 0 0 16px; line-height: 1.25; letter-spacing: 1px;
}
.faq-aside h2 em { color: var(--gold); font-style: normal; }
.faq-aside p { color: var(--gray-1); font-size: 14px; line-height: 1.85; margin: 0 0 22px; }
.faq-aside .tip {
  background: var(--cream); border-left: 3px solid var(--gold);
  padding: 16px 18px; border-radius: 4px; font-size: 13px; color: var(--gray-1); line-height: 1.7;
}
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--cream); border: 1px solid var(--line); border-radius: 8px;
  overflow: hidden; transition: 0.25s;
}
.faq-item:hover { border-color: rgba(200,163,94,0.4); }
.faq-item.is-open { background: #fff; border-color: var(--gold); box-shadow: 0 8px 24px rgba(200,163,94,0.1); }
.faq-q {
  width: 100%; text-align: left; padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  font-family: var(--serif); font-size: 17px; color: var(--navy);
  letter-spacing: 0.5px; line-height: 1.5;
}
.faq-q .num { font-family: var(--display); color: var(--gold); margin-right: 10px; font-size: 16px; flex: 0 0 auto; }
.faq-q .ico {
  flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%;
  background: rgba(200,163,94,0.12); color: var(--gold);
  display: flex; align-items: center; justify-content: center; transition: 0.3s;
}
.faq-item.is-open .faq-q .ico { background: var(--gold); color: #fff; transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; color: var(--gray-1); font-size: 14.5px; line-height: 1.85; }
.faq-a-inner { padding: 0 24px 22px 56px; }

/* ===== 联系方式 ===== */
.contact {
  background: linear-gradient(135deg, #0b1f3a 0%, #102a52 100%);
  color: #fff; position: relative; overflow: hidden;
}
.contact::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(800px 500px at 100% 0%, rgba(200,163,94,0.2), transparent 60%),
    radial-gradient(800px 500px at 0% 100%, rgba(58,90,160,0.4), transparent 60%);
}
.contact .section-title { color: #fff; }
.contact .section-sub { color: rgba(255,255,255,0.7); }
.contact-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
  position: relative; z-index: 1;
}
.contact-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; padding: 32px 24px; text-align: center; transition: 0.3s;
  position: relative; overflow: hidden;
}
.contact-card:hover { transform: translateY(-4px); border-color: rgba(200,163,94,0.4); background: rgba(255,255,255,0.06); }
.contact-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(200,163,94,0.2), rgba(200,163,94,0.05));
  color: var(--gold); display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; transition: 0.3s;
}
.contact-card:hover .contact-icon { background: var(--gold); color: var(--navy); }
.contact-icon svg { width: 26px; height: 26px; }
.contact-label { font-size: 11px; letter-spacing: 2px; color: rgba(255,255,255,0.6); margin-bottom: 10px; }
.contact-value { font-family: var(--serif); font-size: 21px; color: #fff; letter-spacing: 0.5px; margin-bottom: 6px; word-break: break-all; }
.contact-hint { font-size: 12px; color: rgba(255,255,255,0.5); letter-spacing: 1px; }

/* ===== 服务详情页 ===== */
.page-hero {
  background: linear-gradient(135deg, #0b1f3a 0%, #102a52 100%);
  color: #fff; padding: 80px 0 70px; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(800px 360px at 78% 30%, rgba(200,163,94,0.18), transparent 60%);
}
.page-hero h1 {
  font-family: var(--serif); font-size: 44px; line-height: 1.2;
  margin: 14px 0 14px; font-weight: 600; letter-spacing: 1px; position: relative;
}
.page-hero h1 em { color: var(--gold); font-style: normal; }
.page-hero .lead { color: rgba(255,255,255,0.78); max-width: 760px; font-size: 16px; position: relative; }
.page-hero .meta {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; position: relative;
}
.page-hero .meta span {
  font-size: 12px; letter-spacing: 1px;
  padding: 5px 12px; border-radius: 100px;
  border: 1px solid rgba(200,163,94,0.4); color: var(--gold);
}

.content-wrap { display: grid; grid-template-columns: 1fr 280px; gap: 40px; align-items: flex-start; }
.content-main { background: #fff; border-radius: 10px; padding: 48px 44px; box-shadow: var(--shadow-sm); }
.content-main h2 {
  font-family: var(--serif); font-size: 28px; color: var(--navy);
  margin: 36px 0 14px; letter-spacing: 0.5px;
}
.content-main h2:first-child { margin-top: 0; }
.content-main h3 {
  font-family: var(--serif); font-size: 20px; color: var(--navy);
  margin: 24px 0 10px; letter-spacing: 0.5px;
}
.content-main p { color: var(--gray-1); font-size: 15.5px; line-height: 1.95; margin: 0 0 14px; }
.content-main ul, .content-main ol { color: var(--gray-1); font-size: 15px; line-height: 1.9; padding-left: 22px; margin: 0 0 14px; }
.content-main li { margin-bottom: 6px; }
.content-main strong { color: var(--navy); }
.content-main blockquote {
  margin: 18px 0; padding: 16px 20px;
  border-left: 3px solid var(--gold);
  background: var(--cream); border-radius: 4px;
  font-size: 14.5px; color: var(--gray-1); line-height: 1.85;
}
.content-main table {
  width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px;
}
.content-main th, .content-main td {
  padding: 12px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top;
}
.content-main th { background: var(--cream); color: var(--navy); font-weight: 600; }

.sidebar { position: sticky; top: 96px; }
.sidebar-card {
  background: #fff; border-radius: 10px; padding: 24px 22px;
  box-shadow: var(--shadow-sm); margin-bottom: 18px;
}
.sidebar-card h4 {
  font-family: var(--serif); font-size: 17px; color: var(--navy);
  margin: 0 0 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.sidebar-card ul { list-style: none; padding: 0; margin: 0; }
.sidebar-card li { padding: 8px 0; font-size: 14px; color: var(--gray-1); border-bottom: 1px dashed var(--line); }
.sidebar-card li:last-child { border-bottom: 0; }
.sidebar-card li a { color: var(--gray-1); transition: 0.2s; }
.sidebar-card li a:hover, .sidebar-card li a.is-active { color: var(--gold); }
.sidebar-card .cta-box {
  background: linear-gradient(135deg, #0b1f3a, #1b3a6b);
  color: #fff; padding: 24px 22px; border-radius: 10px; text-align: center;
}
.sidebar-card .cta-box h4 { color: #fff; border-bottom: 0; padding-bottom: 0; }
.sidebar-card .cta-box p { font-size: 13px; color: rgba(255,255,255,0.78); margin: 8px 0 14px; }
.sidebar-card .cta-box .btn-primary { width: 100%; justify-content: center; }

.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-list li { padding: 6px 0; font-size: 14px; border-bottom: 1px dashed var(--line); }
.toc-list li a { color: var(--gray-1); transition: 0.2s; }
.toc-list li a:hover { color: var(--gold); }

/* ===== 文章/教程 ===== */
.article-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.article-card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  overflow: hidden; transition: 0.3s;
}
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(200,163,94,0.3); }
.article-cover { aspect-ratio: 16/9; overflow: hidden; }
.article-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.article-card:hover .article-cover img { transform: scale(1.05); }
.article-body { padding: 24px 22px; }
.article-cat {
  font-size: 12px; letter-spacing: 1px; color: var(--gold);
  padding: 3px 10px; background: rgba(200,163,94,0.08); border-radius: 4px;
  display: inline-block; margin-bottom: 12px;
}
.article-card h3 { font-family: var(--serif); font-size: 18px; color: var(--navy); margin: 0 0 10px; line-height: 1.4; letter-spacing: 0.5px; }
.article-card h3 a { color: inherit; }
.article-card h3 a:hover { color: var(--gold); }
.article-card .excerpt { color: var(--gray-1); font-size: 13.5px; line-height: 1.75; }
.article-card .meta-line {
  display: flex; justify-content: space-between; margin-top: 14px;
  padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--gray-2); letter-spacing: 0.5px;
}

/* ===== 数据陈述栏 ===== */
.notice-bar {
  background: linear-gradient(135deg, var(--cream-2), var(--cream));
  border: 1px solid var(--line); border-left: 3px solid var(--gold);
  padding: 16px 22px; border-radius: 6px;
  color: var(--gray-1); font-size: 13.5px; line-height: 1.85; margin: 0 0 22px;
}
.notice-bar strong { color: var(--navy); }

/* ===== CTA 横条 ===== */
.cta-bar {
  background: linear-gradient(135deg, var(--navy), var(--navy-3));
  color: #fff; padding: 50px 0; position: relative; overflow: hidden;
}
.cta-bar::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(800px 300px at 80% 50%, rgba(200,163,94,0.18), transparent 60%);
}
.cta-bar-grid {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center;
  position: relative;
}
.cta-bar h2 {
  font-family: var(--serif); font-size: 32px; margin: 0 0 12px;
  color: #fff; letter-spacing: 0.5px;
}
.cta-bar h2 em { color: var(--gold); font-style: normal; }
.cta-bar p { color: rgba(255,255,255,0.78); font-size: 15px; margin: 0; line-height: 1.85; }
.cta-bar-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }

/* ===== 页脚 ===== */
.site-footer {
  background: #06132a; color: rgba(255,255,255,0.7);
  padding: 56px 0 28px; font-size: 13px; letter-spacing: 0.5px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 36px;
}
.footer-brand .brand-text { margin-bottom: 14px; }
.footer-brand .brand-name, .footer-brand .brand-suffix { color: #fff; }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.85; max-width: 380px; margin: 0; }
.footer-col h4 {
  color: #fff; font-family: var(--serif); font-size: 15px;
  letter-spacing: 1px; margin: 0 0 16px; font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-col a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-col a:hover { color: var(--gold); }
/* 微信与公众号 */
.footer-follow {
  display: grid; grid-template-columns: 270px minmax(0, 1fr);
  gap: 24px 40px; align-items: center;
  padding: 0 0 30px; margin-bottom: 26px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-follow-head h4 {
  color: #fff; font-family: var(--serif); font-size: 15px;
  letter-spacing: 1px; margin: 0 0 10px; font-weight: 500;
}
.footer-follow-head p {
  font-size: 13px; line-height: 1.85; color: rgba(255,255,255,0.42);
  max-width: 270px; margin: 0;
}
.footer-qr-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.footer-qr-card { text-align: center; transition: transform 0.25s; }
.footer-qr-card:hover { transform: translateY(-3px); }
.footer-qr-card img {
  display: block; width: 100%; max-width: 112px; height: auto;
  aspect-ratio: 1 / 1; object-fit: contain; margin: 0 auto 10px;
  padding: 7px; border-radius: 10px; background: #fff;
  box-shadow: 0 6px 18px rgba(0,0,0,0.22); transition: box-shadow 0.25s;
}
.footer-qr-card:hover img { box-shadow: 0 12px 26px rgba(0,0,0,0.34); }
.footer-qr-name { display: block; font-size: 12.5px; font-weight: 500; line-height: 1.4; color: rgba(255,255,255,0.85); }
.footer-qr-tip { display: block; margin-top: 3px; font-size: 11.5px; line-height: 1.4; color: rgba(255,255,255,0.4); }

.footer-bottom {
  padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center;
  justify-content: space-between; font-size: 12px; color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--gold); }
.footer-bottom .gov {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border: 1px solid rgba(200,163,94,0.3); border-radius: 4px; color: var(--gold);
}
.footer-bottom .footer-links {
  flex-basis: 100%;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255,255,255,0.08);
  font-size: 12px; color: rgba(255,255,255,0.45);
}
.footer-bottom .footer-links a { color: rgba(255,255,255,0.6); margin: 0 4px; }
.footer-bottom .footer-links a:hover { color: var(--gold); }

/* ===== 悬浮 CTA ===== */
.float-cta {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  display: flex; flex-direction: column; gap: 10px;
}
.float-cta a {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(11,31,58,0.25); transition: 0.25s; color: #fff;
}
.float-cta a:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 14px 32px rgba(11,31,58,0.35); }
.float-cta .tel { background: var(--gold); }
.float-cta .top { background: var(--navy); }
.float-cta svg { width: 20px; height: 20px; }

/* ===== 动画 ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.is-in { opacity: 1; transform: translateY(0); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 4px rgba(200,163,94,0.18); } 50% { box-shadow: 0 0 0 8px rgba(200,163,94,0.06); } }

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
  .hero h1 { font-size: 44px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); gap: 28px 18px; }
  .process-grid::before { display: none; }
  .packages-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .article-list { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .faq-aside { position: static; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-follow { grid-template-columns: 1fr; gap: 20px; }
  .footer-follow-head p { max-width: none; }
  .content-wrap { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .cta-bar-grid { grid-template-columns: 1fr; }
  .cta-bar-actions { justify-content: flex-start; }
  .nav-list { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(11,31,58,0.96); backdrop-filter: blur(10px); flex-direction: column; align-items: flex-start; padding: 18px 28px; gap: 14px; border-top: 1px solid rgba(255,255,255,0.06); }
  .nav-list.is-open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
}
@media (max-width: 768px) {
  section { padding: 64px 0; }
  .container { padding: 0 20px; }
  .nav-bar { padding: 0 20px; height: 64px; }
  .brand-mark { width: 36px; height: 36px; font-size: 16px; }
  .brand-name { font-size: 17px; }
  .brand-suffix { font-size: 14px; }
  .hero { padding: 90px 0 60px; }
  .hero h1 { font-size: 32px; }
  .hero p.lead { font-size: 15px; }
  .section-title { font-size: 28px; }
  .page-hero h1 { font-size: 30px; }
  .content-main { padding: 28px 22px; }
  .services-grid, .cases-grid, .article-list { grid-template-columns: 1fr; }
  .advantages-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; gap: 16px; }
  .advantage { padding: 22px 14px; }
  .advantage .big { font-size: 40px; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-qr-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .float-cta { bottom: 14px; right: 14px; }
  .float-cta a { width: 46px; height: 46px; }
  .cta-bar h2 { font-size: 24px; }
  .faq-aside h2 { font-size: 28px; }
  .faq-q { font-size: 15px; padding: 16px 18px; }
  .faq-a-inner { padding: 0 18px 18px 48px; }
}