/* ============================================================
   慧账通财税 · 全站样式表
   ============================================================ */

/* ---------- 字体（本地化） ---------- */
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/noto-sans-sc-latin-400-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2000-206F, U+20AC;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/noto-sans-sc-cn-400-normal.woff2') format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF, U+2E80-2EFF, U+3000-303F, U+31C0-31EF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/noto-sans-sc-latin-500-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2000-206F, U+20AC;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/noto-sans-sc-cn-500-normal.woff2') format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF, U+2E80-2EFF, U+3000-303F, U+31C0-31EF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/noto-sans-sc-latin-700-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2000-206F, U+20AC;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/noto-sans-sc-cn-700-normal.woff2') format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF, U+2E80-2EFF, U+3000-303F, U+31C0-31EF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF;
}

/* ---------- 变量与基础 ---------- */
:root {
  --navy-900: #081A30;
  --navy-800: #0B2545;
  --navy-700: #123A63;
  --blue-600: #1D5FD0;
  --blue-500: #2E6FE3;
  --blue-400: #5B92EC;
  --blue-100: #EAF1FB;
  --gold-500: #C89B3C;
  --gold-300: #E4C27C;
  --ink: #1C2B3A;
  --muted: #5A6B7E;
  --bg-soft: #F4F8FC;
  --line: #E2EAF4;
  --white: #FFFFFF;
  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(11, 37, 69, 0.06);
  --shadow-md: 0 10px 30px rgba(11, 37, 69, 0.10);
  --shadow-lg: 0 18px 48px rgba(11, 37, 69, 0.16);
  --font: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--blue-500); color: #fff; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- 通用区块 ---------- */
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.eyebrow {
  display: inline-block; font-size: 14px; font-weight: 500; letter-spacing: 3px;
  color: var(--gold-500); text-transform: uppercase; margin-bottom: 12px;
}
.section-title { font-size: 34px; line-height: 1.35; font-weight: 700; color: var(--navy-800); letter-spacing: 1px; }
.section-sub { margin-top: 14px; font-size: 16px; color: var(--muted); }
.head-rule {
  width: 48px; height: 3px; border-radius: 2px; background: var(--gold-500);
  margin: 18px auto 0;
}
.section-head.left { margin-left: 0; text-align: left; }
.section-head.left .head-rule { margin-left: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px; font-size: 15px; font-weight: 500;
  border: 1px solid transparent; transition: all .25s ease; line-height: 1.4;
}
.btn-primary { background: var(--blue-600); color: #fff; }
.btn-primary:hover { background: var(--blue-500); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-outline-light { border-color: rgba(255,255,255,.7); color: #fff; background: transparent; }
.btn-outline-light:hover { background: #fff; color: var(--navy-800); }
.btn-outline { border-color: var(--blue-600); color: var(--blue-600); background: transparent; }
.btn-outline:hover { background: var(--blue-600); color: #fff; }
.btn-gold { background: var(--gold-500); color: #fff; }
.btn-gold:hover { background: #B3872F; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-lg { padding: 15px 36px; font-size: 16px; }

/* ---------- 页头（顶部信息条 + 导航） ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white); transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.topbar { background: var(--navy-800); color: rgba(255,255,255,.86); font-size: 14px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 40px; gap: 16px; }
.topbar a { color: rgba(255,255,255,.86); }
.topbar a:hover { color: #fff; }
.topbar-right { display: flex; gap: 20px; }
.topbar-right .sep { opacity: .4; }
.navbar { border-bottom: 1px solid var(--line); background: var(--white); }
.nav-inner { display: flex; align-items: center; gap: 28px; min-height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { width: 44px; height: 44px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 21px; font-weight: 700; color: var(--navy-800); letter-spacing: 2px; }
.brand-text small { font-size: 11px; letter-spacing: 2.5px; color: var(--muted); margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  padding: 10px 16px; font-size: 15.5px; color: var(--ink); border-radius: 8px;
  transition: color .2s, background .2s; font-weight: 500;
}
.nav-link:hover { color: var(--blue-600); background: var(--blue-100); }
.nav-link.active { color: var(--blue-600); background: var(--blue-100); font-weight: 700; }
.nav-cta { flex-shrink: 0; padding: 10px 22px; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 8px;
  background: #fff; align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; stroke: var(--navy-800); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--navy-900);
}
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(78deg, rgba(8,26,48,.94) 0%, rgba(11,37,69,.78) 46%, rgba(11,37,69,.30) 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 118px 0 96px; max-width: 780px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px;
  border: 1px solid rgba(255,255,255,.35); border-radius: 100px;
  font-size: 14px; letter-spacing: 2px; color: rgba(255,255,255,.92); background: rgba(255,255,255,.08);
  margin-bottom: 26px;
}
.hero-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-300); }
.hero-title { font-size: 52px; line-height: 1.28; font-weight: 700; letter-spacing: 2px; }
.hero-title .hl { color: var(--gold-300); }
.hero-sub { margin-top: 22px; font-size: 17.5px; line-height: 1.9; color: rgba(255,255,255,.88); max-width: 640px; }
.hero-actions { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  margin-top: 64px; display: flex; gap: 0; border-top: 1px solid rgba(255,255,255,.22);
  padding-top: 28px; max-width: 700px;
}
.hero-stat { flex: 1; padding: 0 24px; }
.hero-stat:first-child { padding-left: 0; }
.hero-stat + .hero-stat { border-left: 1px solid rgba(255,255,255,.22); }
.hero-stat b { display: block; font-size: 30px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.hero-stat b .unit { font-size: 17px; color: var(--gold-300); margin-left: 2px; }
.hero-stat span { font-size: 14px; color: rgba(255,255,255,.72); }

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative; color: #fff; background: var(--navy-800); overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 85% 15%, rgba(46,111,227,.35), transparent 46%),
    radial-gradient(circle at 8% 90%, rgba(200,155,60,.18), transparent 40%);
}
.page-hero-inner { position: relative; z-index: 1; padding: 74px 0 62px; }
.page-hero h1 { font-size: 38px; font-weight: 700; letter-spacing: 2px; }
.page-hero p { margin-top: 12px; font-size: 16px; color: rgba(255,255,255,.8); max-width: 640px; }
.crumb { margin-top: 18px; font-size: 14px; color: rgba(255,255,255,.65); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.crumb a { color: rgba(255,255,255,.65); }
.crumb a:hover { color: #fff; }
.crumb .now { color: var(--gold-300); }
.crumb .arrow { opacity: .5; }

/* ---------- 服务优势卡片 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 26px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--blue-400); }
.adv-icon {
  width: 56px; height: 56px; border-radius: 14px; background: var(--blue-100);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.adv-icon svg { width: 28px; height: 28px; stroke: var(--blue-600); }
.adv-card h3 { font-size: 18px; font-weight: 700; color: var(--navy-800); margin-bottom: 10px; }
.adv-card p { font-size: 14.5px; color: var(--muted); line-height: 1.85; }

/* ---------- 服务项目卡片 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  display: flex; gap: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 26px; transition: transform .25s ease, box-shadow .25s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.service-num {
  font-size: 30px; font-weight: 700; color: var(--blue-100); line-height: 1; font-family: 'Noto Sans SC', sans-serif;
  min-width: 44px;
}
.service-card:hover .service-num { color: var(--gold-500); transition: color .25s; }
.service-body h3 { font-size: 18.5px; font-weight: 700; color: var(--navy-800); margin-bottom: 8px; }
.service-body p { font-size: 14.5px; color: var(--muted); line-height: 1.85; }
.service-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 14px; font-weight: 500; color: var(--blue-600); }
.service-more svg { width: 15px; height: 15px; stroke: currentColor; transition: transform .2s; }
.service-card:hover .service-more svg { transform: translateX(4px); }

/* ---------- 数据成果 ---------- */
.stats-band { background: var(--navy-800); color: #fff; position: relative; overflow: hidden; }
.stats-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 12% 20%, rgba(46,111,227,.32), transparent 42%),
              radial-gradient(circle at 90% 85%, rgba(200,155,60,.14), transparent 38%);
}
.stats-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 8px 12px; }
.stat-item b { display: block; font-size: 44px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.stat-item b .unit { font-size: 20px; color: var(--gold-300); margin-left: 2px; }
.stat-item span { font-size: 14.5px; color: rgba(255,255,255,.72); }
.stat-item + .stat-item { border-left: 1px solid rgba(255,255,255,.14); }

/* ---------- 服务流程 ---------- */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.process-step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 20px 26px; text-align: center; transition: transform .25s ease, box-shadow .25s ease;
}
.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-icon {
  width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--blue-100); display: flex; align-items: center; justify-content: center;
}
.step-icon svg { width: 26px; height: 26px; stroke: var(--blue-600); }
.process-step h3 { font-size: 16.5px; font-weight: 700; color: var(--navy-800); margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--muted); line-height: 1.8; }
.step-no {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 26px; border-radius: 50%; background: var(--gold-500); color: #fff;
  font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 4px #fff;
}
.process-arrow {
  position: absolute; top: 50%; right: -24px; width: 22px; height: 22px; z-index: 2;
  transform: translateY(-50%);
}
.process-arrow svg { width: 100%; height: 100%; stroke: var(--blue-400); }
.process-step:last-child .process-arrow { display: none; }

/* ---------- 案例卡片 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.case-media { position: relative; aspect-ratio: 3 / 2; overflow: hidden; }
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.case-card:hover .case-media img { transform: scale(1.05); }
.case-tag {
  position: absolute; left: 16px; top: 16px; background: var(--navy-800); color: #fff;
  font-size: 12.5px; padding: 5px 12px; border-radius: 100px; letter-spacing: 1px;
}
.case-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.case-body h3 { font-size: 18px; font-weight: 700; color: var(--navy-800); margin-bottom: 8px; }
.case-body p { font-size: 14.5px; color: var(--muted); line-height: 1.85; flex: 1; }
.case-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); font-size: 14px; color: var(--muted); }
.case-meta b { color: var(--blue-600); font-weight: 700; }

/* ---------- 新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-media { aspect-ratio: 3 / 2; overflow: hidden; }
.news-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-media img { transform: scale(1.05); }
.news-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.news-date { font-size: 14px; color: var(--muted); display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.news-cat { color: var(--gold-500); font-weight: 500; }
.news-body h3 { font-size: 17.5px; font-weight: 700; color: var(--navy-800); line-height: 1.5; margin-bottom: 10px; }
.news-body h3 a:hover { color: var(--blue-600); }
.news-body p { font-size: 14px; color: var(--muted); line-height: 1.8; flex: 1; }
.news-more { margin-top: 16px; font-size: 14px; font-weight: 500; color: var(--blue-600); display: inline-flex; align-items: center; gap: 6px; }
.news-more svg { width: 15px; height: 15px; stroke: currentColor; }
.news-card:hover .news-more svg { transform: translateX(4px); }

/* ---------- 筛选标签 ---------- */
.filter-bar { display: flex; justify-content: center; gap: 12px; margin-bottom: 44px; flex-wrap: wrap; }
.filter-tab {
  padding: 9px 24px; border: 1px solid var(--line); border-radius: 100px; background: #fff;
  font-size: 14.5px; color: var(--muted); transition: all .2s ease;
}
.filter-tab:hover { border-color: var(--blue-500); color: var(--blue-600); }
.filter-tab.active { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }

/* ---------- 环形图 ---------- */
.donut-wrap { display: flex; align-items: center; gap: 56px; flex-wrap: wrap; }
.donut-figure { position: relative; width: 260px; height: 260px; flex-shrink: 0; }
.donut-figure svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.donut-center {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  pointer-events: none;
}
.donut-center b { font-size: 34px; font-weight: 700; color: var(--navy-800); }
.donut-center span { font-size: 14px; color: var(--muted); margin-top: 4px; }
.donut-legend { flex: 1; min-width: 300px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 30px; }
.legend-item { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--ink); }
.legend-dot { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; }
.legend-item b { margin-left: auto; font-weight: 700; color: var(--navy-800); }
.legend-item span { color: var(--muted); font-size: 14px; margin-left: 6px; }

/* ---------- 柱状图 ---------- */
.bar-figure { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 30px 18px; }
.bar-figure svg { width: 100%; height: auto; }

/* ---------- 时间轴 ---------- */
.timeline { display: grid; grid-template-columns: 150px 70px 1fr; row-gap: 0; }
.tl-item { display: contents; }
.tl-time {
  padding: 28px 20px 28px 0; text-align: right; font-size: 15px; font-weight: 700;
  color: var(--blue-600); letter-spacing: .5px; white-space: nowrap;
}
.tl-axis { position: relative; display: flex; justify-content: center; }
.tl-line { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--line); left: 50%; transform: translateX(-50%); }
.tl-item:first-child .tl-line { top: 50%; }
.tl-item:last-child .tl-line { bottom: 50%; }
.tl-dot {
  position: relative; z-index: 1; margin-top: 38px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--blue-600); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--blue-600);
  align-self: flex-start;
}
.tl-item:nth-child(even) .tl-dot { background: var(--gold-500); box-shadow: 0 0 0 2px var(--gold-500); }
.tl-content { padding: 26px 0 26px 26px; }
.tl-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; transition: box-shadow .25s; }
.tl-card:hover { box-shadow: var(--shadow-md); }
.tl-card h3 { font-size: 17px; font-weight: 700; color: var(--navy-800); margin-bottom: 6px; }
.tl-card p { font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ---------- 图文分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split-media { position: relative; }
.split-media img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.split-media .float-card {
  position: absolute; right: -18px; bottom: -22px; background: var(--navy-800); color: #fff;
  border-radius: var(--radius); padding: 18px 24px; box-shadow: var(--shadow-lg);
}
.split-media .float-card b { display: block; font-size: 26px; font-weight: 700; color: var(--gold-300); }
.split-media .float-card span { font-size: 13px; color: rgba(255,255,255,.75); }
.split-body h2 { font-size: 30px; line-height: 1.4; font-weight: 700; color: var(--navy-800); letter-spacing: 1px; }
.split-body p { margin-top: 18px; font-size: 15.5px; color: var(--muted); line-height: 2; }
.split-body ul { margin-top: 18px; }
.split-body li { position: relative; padding-left: 26px; font-size: 15px; color: var(--ink); margin-bottom: 12px; line-height: 1.8; }
.split-body li::before {
  content: ""; position: absolute; left: 2px; top: 11px; width: 7px; height: 7px;
  background: var(--gold-500); border-radius: 50%;
}

/* ---------- 使命愿景价值观 ---------- */
.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mvv-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 30px; text-align: center; transition: transform .25s ease, box-shadow .25s ease;
}
.mvv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.mvv-icon { width: 62px; height: 62px; margin: 0 auto 20px; border-radius: 50%; background: var(--blue-100); display: flex; align-items: center; justify-content: center; }
.mvv-icon svg { width: 30px; height: 30px; stroke: var(--blue-600); }
.mvv-card h3 { font-size: 19px; font-weight: 700; color: var(--navy-800); margin-bottom: 12px; }
.mvv-card p { font-size: 14.5px; color: var(--muted); line-height: 1.9; }

/* ---------- 资质荣誉 ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.honor-item {
  display: flex; gap: 16px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; transition: box-shadow .25s, transform .25s;
}
.honor-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.honor-badge {
  width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.honor-badge svg { width: 24px; height: 24px; stroke: #fff; }
.honor-item h4 { font-size: 16px; font-weight: 700; color: var(--navy-800); }
.honor-item p { font-size: 14px; color: var(--muted); margin-top: 4px; }

/* ---------- 服务详情模块 ---------- */
.svc-detail {
  display: grid; grid-template-columns: 96px 1fr; gap: 28px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 32px;
  transition: box-shadow .25s, transform .25s;
}
.svc-detail:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.svc-detail .svc-icon {
  width: 76px; height: 76px; border-radius: 18px; background: var(--blue-100);
  display: flex; align-items: center; justify-content: center;
}
.svc-detail .svc-icon svg { width: 38px; height: 38px; stroke: var(--blue-600); }
.svc-detail h3 { font-size: 20px; font-weight: 700; color: var(--navy-800); }
.svc-detail .svc-desc { margin-top: 8px; font-size: 14.5px; color: var(--muted); line-height: 1.9; }
.svc-detail .svc-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.svc-tag {
  font-size: 12.5px; color: var(--blue-600); background: var(--blue-100);
  padding: 4px 12px; border-radius: 100px; font-weight: 500;
}
.svc-detail .svc-suit { margin-top: 14px; font-size: 13.5px; color: var(--muted); }
.svc-detail .svc-suit b { color: var(--navy-800); font-weight: 600; }

/* ---------- 保障清单 ---------- */
.guard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.guard-item { text-align: center; padding: 26px 18px; }
.guard-item .guard-num { font-size: 40px; font-weight: 700; color: var(--blue-100); line-height: 1; }
.guard-item h4 { font-size: 16.5px; font-weight: 700; color: var(--navy-800); margin: 12px 0 8px; }
.guard-item p { font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative; background: linear-gradient(105deg, var(--navy-800), var(--navy-700)); color: #fff;
  overflow: hidden; padding: 72px 0;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 82% 30%, rgba(200,155,60,.22), transparent 44%);
}
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 { font-size: 30px; font-weight: 700; letter-spacing: 1px; }
.cta-inner p { margin-top: 10px; font-size: 15.5px; color: rgba(255,255,255,.8); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; transition: transform .25s ease, box-shadow .25s ease;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.contact-icon { width: 54px; height: 54px; border-radius: 14px; background: var(--blue-100); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.contact-icon svg { width: 26px; height: 26px; stroke: var(--blue-600); }
.contact-card h3 { font-size: 17px; font-weight: 700; color: var(--navy-800); margin-bottom: 8px; }
.contact-card p { font-size: 14.5px; color: var(--muted); line-height: 1.9; }
.contact-card a:hover { color: var(--blue-600); }

.trip-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px 48px;
}
.trip-item { display: flex; gap: 16px; }
.trip-no {
  width: 34px; height: 34px; border-radius: 50%; background: var(--navy-800); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; flex-shrink: 0;
}
.trip-item h4 { font-size: 16px; font-weight: 700; color: var(--navy-800); margin-bottom: 4px; }
.trip-item p { font-size: 14px; color: var(--muted); line-height: 1.85; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.72); }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 44px; padding: 64px 0 48px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand img { width: 42px; height: 42px; }
.footer-brand strong { font-size: 20px; font-weight: 700; color: #fff; letter-spacing: 2px; }
.footer-brand small { display: block; font-size: 11px; letter-spacing: 2.5px; color: rgba(255,255,255,.5); margin-top: 2px; }
.footer-col .f-intro { font-size: 14px; line-height: 1.95; }
.footer-col h4 { font-size: 15.5px; font-weight: 700; color: #fff; margin-bottom: 20px; letter-spacing: 1px; }
.footer-col li { margin-bottom: 11px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,.68); transition: color .2s; }
.footer-col a:hover { color: var(--gold-300); }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; line-height: 1.8; }
.footer-contact svg { width: 16px; height: 16px; stroke: var(--gold-300); flex-shrink: 0; margin-top: 5px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,.5); }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90; width: 46px; height: 46px;
  border-radius: 12px; background: var(--blue-600); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none;
  transform: translateY(12px); transition: opacity .25s, transform .25s, background .2s;
  box-shadow: var(--shadow-md);
}
.back-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-top:hover { background: var(--blue-500); }
.back-top svg { width: 20px; height: 20px; stroke: #fff; }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .1s; }
.reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid, .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 42px; }
}
@media (max-width: 860px) {
  .section { padding: 64px 0; }
  .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed; top: 0; right: 0; bottom: 0; width: 288px; z-index: 200;
    background: #fff; flex-direction: column; align-items: stretch; gap: 4px;
    padding: 84px 24px 30px; box-shadow: var(--shadow-lg);
    transform: translateX(100%); transition: transform .3s ease; margin: 0;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { padding: 13px 16px; font-size: 16px; }
  .hero-inner { padding: 84px 0 72px; }
  .hero-title { font-size: 34px; }
  .hero-stat b { font-size: 24px; }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .split-media .float-card { right: 8px; bottom: -18px; }
  .mvv-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: 1fr; }
  .guard-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: 1fr 1fr; }
  .process-arrow { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .stat-item + .stat-item { border-left: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .trip-card { grid-template-columns: 1fr; }
  .donut-wrap { flex-direction: column; align-items: center; gap: 40px; }
  .donut-legend { width: 100%; }
  .timeline { grid-template-columns: 96px 44px 1fr; }
  .tl-time { font-size: 13.5px; }
  .topbar-right .mail { display: none; }
  .page-hero h1 { font-size: 30px; }
  .section-title { font-size: 28px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .service-grid, .case-grid, .news-grid, .adv-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; }
  .hero-stat { flex: 1 1 40%; padding: 10px 14px; }
  .hero-stat:nth-child(odd) { border-left: none; }
  .hero-stats { gap: 4px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .donut-legend { grid-template-columns: 1fr; min-width: 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item b { font-size: 32px; }
  .svc-detail { grid-template-columns: 1fr; }
  .topbar { display: none; }
  .brand-text strong { font-size: 18px; }
}

/* ---------- 文章详情页 ---------- */
.article { max-width: 860px; margin: 0 auto; }
.article-head { margin-bottom: 30px; }
.article-cat { display: inline-block; font-size: 13px; font-weight: 500; color: var(--gold-500); letter-spacing: 1px; margin-bottom: 12px; }
.article-title { font-size: 30px; line-height: 1.45; font-weight: 700; color: var(--navy-800); letter-spacing: 1px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 16px; font-size: 14px; color: var(--muted); }
.article-cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 34px; box-shadow: var(--shadow-sm); }
.article-cover img { width: 100%; }
.article-body { font-size: 15.5px; color: var(--ink); line-height: 2.05; }
.article-body p { margin-bottom: 16px; }
.article-body h3 { font-size: 19px; font-weight: 700; color: var(--navy-800); margin: 30px 0 12px; letter-spacing: .5px; }
.article-body ul { margin: 0 0 16px; }
.article-body li { position: relative; padding-left: 22px; margin-bottom: 10px; }
.article-body li::before { content: ""; position: absolute; left: 4px; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold-500); }
.tip-box {
  background: var(--blue-100); border-left: 3px solid var(--blue-600); padding: 16px 20px;
  border-radius: 0 10px 10px 0; margin: 22px 0; font-size: 14.5px; color: var(--navy-800); line-height: 1.9;
}
.article-related { margin-top: 52px; border-top: 1px solid var(--line); padding-top: 28px; }
.article-related h4 { font-size: 16px; font-weight: 700; color: var(--navy-800); margin-bottom: 16px; letter-spacing: 1px; }
.related-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.related-list a {
  display: flex; flex-direction: column; gap: 6px; border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 20px; font-size: 14.5px; color: var(--ink); transition: border-color .2s, color .2s, box-shadow .2s;
}
.related-list a:hover { border-color: var(--blue-500); color: var(--blue-600); box-shadow: var(--shadow-sm); }
.related-list small { font-size: 12.5px; color: var(--muted); }
.article-back { margin-top: 36px; }
@media (max-width: 560px) {
  .article-title { font-size: 23px; }
  .related-list { grid-template-columns: 1fr; }
}