/* ============================================================
   默认主题样式
   - 一套代码同时适配 PC / 平板 / 手机（不再分电脑站和手机站）
   - 主题色通过 CSS 变量注入，后台「站点设置 → 主题」可实时改色
   - 不引用任何外部字体和框架，保证首屏速度
   ============================================================ */

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --primary: #C8161D;
  --accent: #8B0000;
  --radius: 10px;

  --ink: #16181d;
  --ink-2: #3d4451;
  --ink-3: #6b7280;
  --line: #e6e8ec;
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --bg-deep: #14161a;

  --wrap: 1200px;
  --gap: 24px;
  --hdr-h: 72px;
  --shadow-sm: 0 1px 3px rgba(16, 18, 22, .06);
  --shadow: 0 6px 24px rgba(16, 18, 22, .08);
  --shadow-lg: 0 18px 48px rgba(16, 18, 22, .12);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
               "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--primary); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 .6em; line-height: 1.35; font-weight: 800; letter-spacing: -.01em; }
h1 { font-size: clamp(26px, 4vw, 40px); }
h2 { font-size: clamp(22px, 3vw, 30px); }
h3 { font-size: 18px; }
p  { margin: 0 0 1em; }
button, input, textarea, select { font: inherit; color: inherit; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--primary); color: #fff; padding: 10px 16px;
}
.skip-link:focus { left: 8px; top: 8px; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 26px; border: 2px solid transparent; border-radius: var(--radius);
  font-weight: 700; font-size: 15px; cursor: pointer;
  transition: transform .18s var(--ease), background .2s, color .2s, border-color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(200, 22, 29, .22); }
.btn-primary:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(200, 22, 29, .3); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 顶部 ---------- */
.topbar { background: var(--bg-deep); color: #b9bec7; font-size: 13px; }
.topbar-inner {
  height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.topbar-contact { display: flex; gap: 18px; }
.tb-item { white-space: nowrap; }

.site-header {
  position: sticky; top: 0; z-index: 100; background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: var(--hdr-h); padding: 6px 0; display: flex; align-items: center; gap: 14px;
}
.logo { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 900; letter-spacing: -.02em; flex-shrink: 0; }
.logo img { max-height: 36px; width: auto; }
.logo-mark {
  width: 30px; height: 30px; background: var(--primary);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}
.logo-text { color: var(--ink); }
.logo-text::first-letter { color: var(--primary); }

.main-nav { flex: 1; min-width: 0; }
.main-nav ul { display: flex; flex-wrap: wrap; gap: 0; }
.main-nav a {
  display: block; padding: 6px 9px; font-size: 14px; font-weight: 600; border-radius: var(--radius);
  position: relative; white-space: nowrap;
}
.main-nav li.is-active > a { color: var(--primary); }
.main-nav li.is-active > a::after {
  content: ''; position: absolute; left: 9px; right: 9px; bottom: 2px; height: 3px; background: var(--primary);
}
.main-nav a:hover { background: var(--bg-soft); color: var(--primary); }

.header-cta { flex-shrink: 0; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px; margin-left: auto;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); transition: .25s var(--ease); }
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(160deg, #fff 0%, #fff 45%, var(--bg-soft) 100%); }
.hero::before {
  content: ''; position: absolute; top: -120px; right: -120px; width: 520px; height: 520px;
  background: var(--primary); opacity: .06; transform: rotate(35deg);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}
.hero-inner {
  position: relative; padding: 76px 0 84px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center;
}
.hero-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .18em;
  color: var(--primary); background: rgba(200, 22, 29, .08); padding: 6px 14px; margin-bottom: 18px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.hero-title { font-size: clamp(30px, 5vw, 52px); margin-bottom: 10px; }
.hero-slogan { font-size: clamp(17px, 2.2vw, 22px); font-weight: 700; color: var(--primary); margin-bottom: 14px; }
.hero-desc { color: var(--ink-2); max-width: 34em; margin-bottom: 28px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-points { display: flex; gap: 40px; }
.hero-points li { font-size: 14px; color: var(--ink-3); }
.hero-points b { display: block; font-size: 30px; color: var(--ink); line-height: 1.1; }

.hero-visual { position: relative; height: 320px; }
.hv-card { position: absolute; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.hv-1 { inset: 10% 12% 30% 4%; background: linear-gradient(140deg, var(--primary), var(--accent)); }
.hv-2 { inset: 34% 0 6% 34%; background: #fff; border: 1px solid var(--line); }
.hv-3 { inset: 0 34% 62% 52%; background: var(--bg-deep); }

/* ---------- 通用区块 ---------- */
.section { padding: 76px 0; }
.section:nth-of-type(even) { background: var(--bg-soft); }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 38px; flex-wrap: wrap; }
.sec-title-lg { position: relative; padding-left: 16px; margin: 0; font-size: clamp(24px, 3vw, 32px); }
.sec-title-lg::before {
  content: ''; position: absolute; left: 0; top: .18em; bottom: .18em; width: 5px; background: var(--primary);
}
.sec-sub { margin: 6px 0 0; color: var(--ink-3); font-size: 15px; }
.sec-more { color: var(--primary); font-weight: 700; font-size: 15px; }
.sec-title { font-size: 20px; margin-bottom: 18px; }

/* ---------- 卡片 ---------- */
.card-grid { display: grid; gap: var(--gap); grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.svc-card {
  position: relative; display: block; padding: 30px 26px 26px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s, border-color .25s;
}
.svc-card::after {
  content: ''; position: absolute; left: 0; top: 0; height: 4px; width: 0; background: var(--primary);
  transition: width .3s var(--ease);
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.svc-card:hover::after { width: 100%; }
.svc-idx {
  display: inline-block; font-size: 13px; font-weight: 900; color: var(--primary);
  letter-spacing: .1em; margin-bottom: 10px;
}
.svc-card h3 { font-size: 19px; margin-bottom: 8px; }
.svc-card p { color: var(--ink-3); font-size: 14.5px; margin-bottom: 14px; }
.svc-card .more { font-size: 14px; font-weight: 700; color: var(--primary); }
.svc-card img { width: 100%; height: 170px; object-fit: cover; margin: -30px -26px 18px; width: calc(100% + 52px); }

.case-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform .25s var(--ease), box-shadow .25s;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 200px; object-fit: cover; }
.case-body { padding: 18px 20px 22px; }
.case-body h3 { font-size: 17px; margin-bottom: 6px; }
.case-body p { color: var(--ink-3); font-size: 14px; margin: 0; }

/* ---------- 优势 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.why-item { position: relative; padding: 28px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.why-num { font-size: 34px; font-weight: 900; color: rgba(200, 22, 29, .16); line-height: 1; display: block; margin-bottom: 10px; }
.why-item h3 { font-size: 17px; margin-bottom: 6px; }
.why-item p { margin: 0; color: var(--ink-3); font-size: 14.5px; }

/* ---------- 资讯 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.news-item {
  display: block; padding: 24px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); transition: transform .2s var(--ease), box-shadow .2s;
}
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-item time { font-size: 13px; color: var(--primary); font-weight: 700; }
.news-item h3 { font-size: 17px; margin: 8px 0; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-item p { margin: 0; color: var(--ink-3); font-size: 14px; }

/* ---------- 内页横幅 ---------- */
.page-banner {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  color: #fff; padding: 44px 0 40px; position: relative; overflow: hidden;
}
.page-banner::after {
  content: ''; position: absolute; right: -60px; bottom: -80px; width: 260px; height: 260px;
  background: rgba(255, 255, 255, .08); transform: rotate(40deg);
}
.page-banner h1 { margin: 0 0 8px; font-size: clamp(24px, 3.4vw, 34px); }
.page-banner p { margin: 0 0 12px; opacity: .92; font-size: 15px; }
.page-banner .breadcrumb { margin: 0; }
.page-banner .breadcrumb a, .page-banner .breadcrumb span { color: rgba(255, 255, 255, .95); }
.page-banner .breadcrumb li + li::before { color: rgba(255, 255, 255, .6); }

/* ---------- 面包屑 ---------- */
.breadcrumb { font-size: 13.5px; color: var(--ink-3); margin: 0 0 18px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: '/'; margin-right: 8px; color: #c3c7cf; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb li[aria-current] span { color: var(--ink-2); }

/* ---------- 主体布局 ---------- */
.main-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 44px;
  padding: 40px 20px 70px; align-items: start;
}
.content-col { min-width: 0; }
.sidebar-col { position: sticky; top: calc(var(--hdr-h) + 20px); display: grid; gap: 20px; }

.sub-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.sub-nav-item { padding: 7px 16px; border-radius: 100px; font-size: 14.5px; background: var(--bg-soft); color: var(--ink-2); }
.sub-nav-item:hover { background: rgba(200, 22, 29, .08); color: var(--primary); }
.sub-nav-item.is-active { background: var(--primary); color: #fff; }

.cat-intro { margin-bottom: 26px; padding: 18px 22px; background: var(--bg-soft); border-left: 4px solid var(--primary); border-radius: 0 var(--radius) var(--radius) 0; color: var(--ink-2); font-size: 15px; }

/* ---------- 列表 ---------- */
.article-list { display: grid; gap: 18px; }
.article-item {
  display: grid; grid-template-columns: 220px 1fr; gap: 22px; padding: 20px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .2s var(--ease), box-shadow .2s, border-color .2s;
}
.article-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }
.article-item.is-top { border-left: 4px solid var(--primary); }
.ai-cover { display: block; overflow: hidden; border-radius: 6px; }
.ai-cover img { width: 100%; height: 148px; object-fit: cover; transition: transform .4s var(--ease); }
.article-item:hover .ai-cover img { transform: scale(1.05); }
.ai-title { font-size: 19px; margin: 0 0 8px; line-height: 1.45; }
.tag-top { display: inline-block; background: var(--primary); color: #fff; font-size: 12px; padding: 1px 8px; border-radius: 4px; margin-right: 8px; vertical-align: 2px; }
.ai-desc { color: var(--ink-3); font-size: 14.5px; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ai-meta { font-size: 13px; color: #9aa1ad; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ai-meta .dot { color: #d5d8de; }
.ai-tags { color: var(--primary); }

/* ---------- 分页 ---------- */
.pagination { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 34px 0 0; }
.pg-btn, .pg-num {
  display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: var(--radius); font-size: 14.5px; background: #fff;
}
.pg-btn:hover, .pg-num:hover { border-color: var(--primary); color: var(--primary); }
.pg-num.is-current { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 700; }
.pg-gap { color: #b9bec7; }
.pg-total { margin-left: auto; font-size: 13.5px; color: var(--ink-3); }

/* ---------- 详情 ---------- */
.detail-page { padding-top: 36px; }
.article-head { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.article-head h1 { margin-bottom: 8px; }
.subtitle { color: var(--ink-3); font-size: 16px; margin-bottom: 12px; }
.article-meta { font-size: 13.5px; color: #9aa1ad; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.article-cover { margin: 0 0 22px; border-radius: var(--radius); overflow: hidden; }
.article-lead {
  padding: 16px 20px; margin-bottom: 24px; background: var(--bg-soft);
  border-left: 4px solid var(--primary); color: var(--ink-2); font-size: 15.5px; border-radius: 0 var(--radius) var(--radius) 0;
}

/* 富文本正文 */
.richtext { font-size: 16.5px; line-height: 1.9; color: var(--ink-2); word-wrap: break-word; }
.richtext h2 { font-size: 22px; margin: 1.6em 0 .7em; padding-left: 12px; border-left: 4px solid var(--primary); }
.richtext h3 { font-size: 18px; margin: 1.4em 0 .6em; }
.richtext p { margin: 0 0 1.1em; }
.richtext ul, .richtext ol { margin: 0 0 1.2em; padding-left: 1.6em; }
.richtext ul { list-style: disc; }
.richtext ol { list-style: decimal; }
.richtext li { margin-bottom: .4em; }
.richtext a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.richtext img { border-radius: var(--radius); margin: 1.2em 0; }
.richtext blockquote {
  margin: 1.4em 0; padding: 14px 20px; background: var(--bg-soft);
  border-left: 4px solid var(--primary); color: var(--ink-2); border-radius: 0 var(--radius) var(--radius) 0;
}
.richtext table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: 15px; }
.richtext th, .richtext td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.richtext th { background: var(--bg-soft); font-weight: 700; }
.richtext hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }

.article-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 30px 0; }
.tag { padding: 5px 14px; background: var(--bg-soft); border-radius: 100px; font-size: 13.5px; color: var(--ink-2); }
.tag:hover { background: var(--primary); color: #fff; }

.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 30px 0; }
.pn-item {
  padding: 14px 18px; background: var(--bg-soft); border-radius: var(--radius); font-size: 15px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.pn-item span { display: block; font-size: 12.5px; color: var(--ink-3); margin-bottom: 2px; }
.pn-item:hover { background: rgba(200, 22, 29, .07); }
.pn-next { text-align: right; }

.related { margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.related-list li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.related-list a { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.related-list time { font-size: 13px; color: #9aa1ad; flex-shrink: 0; }

/* ---------- 侧边栏组件 ---------- */
.widget { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.widget-cta { background: linear-gradient(150deg, var(--primary), var(--accent)); color: #fff; border: 0; }
.widget-cta .w-title { color: #fff; }
.widget-cta p { font-size: 14px; opacity: .9; }
.w-title { font-size: 16px; margin: 0 0 14px; padding-left: 10px; border-left: 3px solid var(--primary); }
.w-form { display: grid; gap: 10px; }
.w-form input { padding: 10px 12px; border: 1px solid rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .14); color: #fff; border-radius: 6px; }
.w-form input::placeholder { color: rgba(255, 255, 255, .75); }
.w-form .btn { background: #fff; color: var(--primary); box-shadow: none; }
.w-form .btn:hover { background: #fff; transform: translateY(-2px); }
.w-tel { display: block; text-align: center; margin-top: 12px; font-size: 21px; font-weight: 800; color: #fff; }
.w-list li { padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 15px; }
.w-list li:last-child { border-bottom: 0; }
.w-num li { display: flex; gap: 10px; align-items: baseline; }
.w-num i {
  flex-shrink: 0; width: 20px; height: 20px; line-height: 20px; text-align: center; font-style: normal;
  font-size: 12px; font-weight: 800; background: var(--bg-soft); color: var(--ink-3); border-radius: 4px;
}
.w-num li:nth-child(1) i, .w-num li:nth-child(2) i, .w-num li:nth-child(3) i { background: var(--primary); color: #fff; }
.w-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.w-tags a { padding: 6px 13px; background: var(--bg-soft); border-radius: 100px; font-size: 13.5px; }
.w-tags a:hover { background: var(--primary); color: #fff; }

/* ---------- 区块（后台可自由编排） ---------- */
.block { margin: 0; }
.blk-banner { position: relative; }
.banner-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
.banner-item { position: relative; flex: 0 0 100%; scroll-snap-align: start; }
.banner-item img { width: 100%; height: clamp(220px, 34vw, 460px); object-fit: cover; }
.banner-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 20px 30px;
  background: linear-gradient(transparent, rgba(0, 0, 0, .65)); color: #fff; text-align: center;
}
.banner-cap h2 { margin: 0; font-size: clamp(22px, 3.4vw, 36px); }
.banner-cap p { margin: 6px 0 0; opacity: .9; }

.blk-html .wrap { max-width: var(--wrap); }
.blk-faq { padding: 70px 0; }
.faq-list { max-width: 900px; margin: 0 auto; padding: 0 20px; display: grid; gap: 10px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-item summary { padding: 16px 20px; font-weight: 700; cursor: pointer; list-style: none; position: relative; padding-right: 48px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  font-size: 22px; color: var(--primary); transition: transform .2s;
}
.faq-item[open] summary::after { content: '−'; }
.faq-a { padding: 0 20px 18px; color: var(--ink-2); font-size: 15.5px; }

.blk-posts { padding: 60px 0; }
.blk-posts .post-list { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; display: grid; gap: 0; }
.blk-posts .post-list li { border-bottom: 1px dashed var(--line); }
.blk-posts .post-list a { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; }
.blk-posts .post-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.blk-posts time { font-size: 13.5px; color: #9aa1ad; flex-shrink: 0; }

.blk-services { padding: 70px 0; }
.blk-heading { padding: 50px 0 0; text-align: center; }
.blk-heading p { color: var(--ink-3); }

.blk-links { padding: 50px 0; background: var(--bg-soft); }
.link-list { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; display: flex; flex-wrap: wrap; gap: 10px; }
.link-list a { padding: 7px 16px; background: #fff; border-radius: 100px; font-size: 14px; border: 1px solid var(--line); }

/* ---------- 咨询条 ---------- */
.cta-bar { background: var(--bg-deep); color: #fff; padding: 40px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-text h2 { margin: 0 0 6px; font-size: clamp(20px, 2.6vw, 27px); }
.cta-text p { margin: 0; color: #a8aeb9; font-size: 14.5px; }
.cta-form { display: flex; gap: 10px; flex-wrap: wrap; }
.cta-form input {
  padding: 12px 16px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .08);
  color: #fff; border-radius: var(--radius); min-width: 170px;
}
.cta-form input::placeholder { color: rgba(255, 255, 255, .55); }
.cta-form input:focus { outline: none; border-color: var(--primary); }

/* ---------- 页脚 ---------- */
.site-footer { background: #0f1114; color: #a8aeb9; padding: 54px 0 0; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 36px; }
.f-col h3 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.f-logo { font-size: 20px; font-weight: 900; color: #fff; margin-bottom: 12px; }
.f-desc { color: #8b919c; }
.f-line { color: #8b919c; font-size: 14px; }
.f-list li { margin-bottom: 9px; }
.f-list a:hover, .f-contact a:hover { color: #fff; }
.f-contact a { color: var(--primary); font-weight: 700; }

.friendlinks { display: flex; gap: 14px; padding: 18px 20px; border-top: 1px solid rgba(255, 255, 255, .08); flex-wrap: wrap; align-items: baseline; }
.fl-title { color: #fff; font-weight: 700; flex-shrink: 0; }
.fl-list { display: flex; flex-wrap: wrap; gap: 14px; }
.fl-list a:hover { color: #fff; }

.copyright { padding: 20px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 13.5px; color: #7d838e; }
.copyright p { margin: 0 0 4px; }
.copy-sub { color: #63696f; }

/* ---------- 移动端工具栏 ---------- */
.mobile-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 120;
  background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -4px 16px rgba(0, 0, 0, .06);
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bar a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0; font-size: 12px; color: var(--ink-2); }
.mobile-bar a:nth-child(2) { color: var(--primary); font-weight: 700; }
.mb-ico { font-size: 19px; line-height: 1; }

/* ---------- 提示 ---------- */
.toast {
  position: fixed; left: 50%; bottom: 90px; transform: translate(-50%, 20px);
  background: rgba(20, 22, 26, .92); color: #fff; padding: 12px 22px; border-radius: var(--radius);
  font-size: 14.5px; opacity: 0; pointer-events: none; transition: .28s var(--ease); z-index: 300; max-width: 88vw; text-align: center;
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 空状态 / 404 / 搜索 ---------- */
.empty-state { padding: 70px 20px; text-align: center; color: var(--ink-3); }
.empty-state p { margin-bottom: 18px; }
.notfound { padding: 90px 20px 110px; text-align: center; }
.nf-code { font-size: clamp(80px, 18vw, 150px); font-weight: 900; color: var(--primary); line-height: 1; letter-spacing: -.04em; }
.notfound h1 { margin: 10px 0 8px; }
.notfound p { color: var(--ink-3); }
.nf-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 26px 0; }
.search-box { display: flex; gap: 10px; max-width: 560px; margin: 22px auto 0; }
.search-box input { flex: 1; padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--radius); }
.search-box input:focus { outline: none; border-color: var(--primary); }
.search-title { margin-bottom: 4px; }
.search-count { color: var(--ink-3); font-size: 14.5px; }
.search-count b { color: var(--primary); }

/* ---------- 联系表单 ---------- */
.contact-block { margin-top: 36px; padding: 28px; background: var(--bg-soft); border-radius: var(--radius); }
.contact-form { display: grid; gap: 14px; margin-bottom: 22px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: grid; gap: 6px; font-size: 14.5px; font-weight: 600; }
.contact-form input, .contact-form textarea {
  padding: 11px 14px; border: 1px solid var(--line); border-radius: var(--radius); font-weight: 400; background: #fff;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); }
.contact-info { display: grid; gap: 4px; color: var(--ink-2); font-size: 15px; }
.contact-info p { margin: 0; }

/* ============================================================
   响应式：平板
   ============================================================ */
@media (max-width: 1080px) {
  .main-layout { grid-template-columns: 1fr; gap: 34px; }
  .sidebar-col { position: static; grid-template-columns: repeat(2, 1fr); display: grid; }
  .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid.cols-3, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; padding: 54px 0 60px; }
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

/* ============================================================
   响应式：手机（同一套代码，不再单独做手机站）
   ============================================================ */
@media (max-width: 768px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 16px; }
  :root { --hdr-h: 60px; }

  .topbar { display: none; }
  .header-inner { gap: 12px; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  .main-nav {
    position: absolute; left: 0; right: 0; top: 100%; background: #fff;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    max-height: 0; overflow: hidden; transition: max-height .3s var(--ease);
  }
  .main-nav.is-open { max-height: 70vh; overflow-y: auto; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 8px; }
  .main-nav a { padding: 13px 14px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .main-nav li.is-active > a::after { display: none; }
  .main-nav li.is-active > a { color: var(--primary); background: rgba(200, 22, 29, .06); }

  .section { padding: 46px 0; }
  .card-grid, .card-grid.cols-4, .card-grid.cols-3, .news-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; gap: 14px; }
  .hero-points { gap: 22px; }
  .hero-btns .btn { flex: 1; min-width: 140px; }

  .article-item { grid-template-columns: 1fr; gap: 14px; padding: 16px; }
  .ai-cover img { height: 180px; }
  .ai-title { font-size: 17px; }

  .main-layout { padding: 26px 16px 60px; }
  .sidebar-col { grid-template-columns: 1fr; }
  .prev-next { grid-template-columns: 1fr; }
  .pn-next { text-align: left; }

  .footer-grid { grid-template-columns: 1fr; gap: 26px; padding-bottom: 26px; }
  .cta-inner { flex-direction: column; align-items: stretch; text-align: center; }
  .cta-form { flex-direction: column; }
  .cta-form input, .cta-form .btn { width: 100%; }

  .field-row { grid-template-columns: 1fr; }
  .mobile-bar { display: flex; }
  body { padding-bottom: 58px; }
  .toast { bottom: 76px; }

  .page-banner { padding: 30px 0 26px; }
  .blk-faq { padding: 44px 0; }
  .blk-services { padding: 46px 0; }
}

@media (max-width: 420px) {
  .news-grid, .card-grid { gap: 14px; }
  .btn { padding: 11px 18px; font-size: 14.5px; }
  .pg-total { width: 100%; margin-left: 0; }
}

/* ---------- 打印 ---------- */
@media print {
  .site-header, .mobile-bar, .cta-bar, .sidebar-col, .topbar { display: none !important; }
  body { color: #000; }
  a::after { content: ' (' attr(href) ')'; font-size: 12px; color: #666; }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* =====================================================================
   在线工具箱（/tools/ 与 /tools/{别名}.html）
   ===================================================================== */

/* 页头导语 */
.banner-lead { margin: 12px 0 0; font-size: 15.5px; line-height: 1.75; color: var(--ink-2); max-width: 760px; }
.page-banner .banner-lead { color: rgba(255,255,255,.9); }

/* ---------- 工具箱首页：卡片网格 ---------- */
.tool-grid-index {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px; margin: 8px 0 32px;
}
.tool-card {
  display: flex; flex-direction: column; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px; text-decoration: none; color: inherit;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.tool-card:hover {
  border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px);
}
.tool-card .tc-icon { font-size: 26px; line-height: 1; }
.tool-card .tc-name { font-size: 17px; font-weight: 700; color: var(--ink); }
.tool-card .tc-lead { font-size: 14px; line-height: 1.7; color: var(--ink-2); flex: 1; }
.tool-card .tc-go { font-size: 14px; font-weight: 600; color: var(--primary); }

/* ---------- 工具页：计算面板 ---------- */
.tool-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; margin-bottom: 26px;
}
.tool-panel-title { margin: 0 0 18px; font-size: 19px; }

.tool-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 20px; }
.tool-field { display: flex; flex-direction: column; gap: 7px; }
.tool-field-checkbox { justify-content: flex-end; }
.tf-label { font-size: 14.5px; font-weight: 600; color: var(--ink); }
.tf-input { display: flex; align-items: center; gap: 8px; }
.tf-input input {
  flex: 1; min-width: 0; height: 42px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 8px; font-size: 15px;
  background: #fff; color: var(--ink); transition: border-color .15s;
}
.tf-input input:focus { outline: none; border-color: var(--primary); }
.tf-unit { font-size: 14px; color: var(--ink-2); flex-shrink: 0; }
.tool-form select {
  height: 42px; padding: 0 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 15px; background: #fff; color: var(--ink); width: 100%;
}
.tool-form select:focus { outline: none; border-color: var(--primary); }
.tf-check { display: flex; align-items: flex-start; gap: 9px; cursor: pointer; font-size: 14.5px; }
.tf-check input { width: 17px; height: 17px; margin-top: 2px; accent-color: var(--primary); flex-shrink: 0; }
.tf-hint { margin: 0; font-size: 12.5px; line-height: 1.6; color: #8b93a1; }

.tool-actions { grid-column: 1 / -1; display: flex; gap: 12px; padding-top: 4px; }
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 26px; border-radius: 8px; font-size: 15px; font-weight: 600;
  border: 1px solid var(--line); background: #fff; color: var(--ink-2); text-decoration: none;
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- 计算结果 ---------- */
.tool-result {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-left: 3px solid var(--primary); border-radius: var(--radius);
  padding: 22px; margin-bottom: 28px;
}
.tool-result h2 { margin: 0 0 12px; font-size: 19px; }
.tool-summary { margin: 0 0 16px; font-size: 15.5px; line-height: 1.75; font-weight: 600; color: var(--ink); }
.tool-result-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.tool-result-table th,
.tool-result-table td { padding: 10px 12px; border-bottom: 1px dashed var(--line); text-align: left; }
.tool-result-table th { width: 52%; font-weight: 500; color: var(--ink-2); }
.tool-result-table td { font-weight: 700; color: var(--ink); text-align: right; }
.tool-result-table tr:last-child th,
.tool-result-table tr:last-child td { border-bottom: none; }
.tool-disclaimer { margin: 14px 0 0; font-size: 12.5px; line-height: 1.7; color: #8b93a1; }

/* ---------- 落户自查清单 ---------- */
.tool-checklist { margin-bottom: 28px; }
.tool-checklist h2 { font-size: 19px; margin: 0 0 14px; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.check-list li {
  display: flex; align-items: flex-start; gap: 10px; flex-wrap: wrap;
  padding: 13px 15px; background: #fff; border: 1px solid var(--line); border-radius: 8px; font-size: 14.5px;
}
.ck-mark { font-weight: 700; flex-shrink: 0; }
.check-list .is-ok .ck-mark { color: #1e9e5a; }
.check-list .is-no .ck-mark { color: var(--primary); }
.ck-name { font-weight: 600; }
.ck-note { flex-basis: 100%; padding-left: 24px; font-size: 13px; color: var(--ink-2); }

/* ---------- 工具说明正文里的公式 / 表格 ---------- */
.calc-formula {
  background: var(--bg-soft); border-radius: 8px; padding: 16px 18px; margin: 14px 0;
}
.calc-formula p { margin: 0 0 8px; }
.calc-formula p:last-child { margin-bottom: 0; }

.calc-table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14.5px; }
.calc-table th, .calc-table td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.calc-table thead th { background: var(--bg-soft); font-weight: 700; }
.calc-note { font-size: 13px; color: #8b93a1; line-height: 1.7; }

/* ---------- 工具页转化引导 ---------- */
.tool-cta {
  margin-top: 34px; padding: 26px 24px; text-align: center;
  background: linear-gradient(135deg, #fff 0%, var(--bg-soft) 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.tool-cta h3 { margin: 0 0 8px; font-size: 19px; }
.tool-cta p { margin: 0 0 16px; font-size: 14.5px; color: var(--ink-2); }

.tool-doc { margin-bottom: 8px; }
.tool-doc h2 { font-size: 20px; margin: 30px 0 12px; }
.tool-doc h3 { font-size: 17px; margin: 22px 0 10px; }

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .tool-form { grid-template-columns: 1fr; }
  .tool-grid-index { grid-template-columns: 1fr; }
  .tool-result-table th { width: 48%; font-size: 14px; }
  .tool-result-table td { font-size: 14px; }
  .calc-table { font-size: 13.5px; }
  .calc-table th, .calc-table td { padding: 7px 8px; }
  .check-list .ck-note { padding-left: 0; }
}
@media (max-width: 420px) {
  .tool-panel, .tool-result { padding: 18px 15px; }
  .tool-actions { flex-direction: column; }
  .tool-actions .btn { width: 100%; }
}

/* ============================================================
   服务落地页（page-service）
   大屏呈现：深色首屏 + 分节卡片 + 步骤条 + 价格卡 + 问答折叠
   与文章页完全隔离，类名统一以 svc- 开头
   ============================================================ */
.page-service { background: #fff; }

.i-check {
  width: 17px; height: 17px; flex-shrink: 0; margin-top: 3px;
  color: var(--primary);
}
.i-tel { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- 首屏 ---------- */
.svc-hero {
  position: relative; overflow: hidden; color: #fff;
  padding: 46px 0 54px;
  background: linear-gradient(128deg, #16181d 0%, #22131a 46%, #7d0f16 100%);
}
/* 几何底纹：斜线 + 两团光晕，纯 CSS 不加载图片 */
.svc-hero-deco {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(760px 420px at 88% 8%, rgba(200,22,29,.42), transparent 62%),
    radial-gradient(560px 340px at 6% 96%, rgba(255,255,255,.07), transparent 60%);
}
.svc-hero-deco::after {
  content: ''; position: absolute; inset: 0; opacity: .12;
  background-image: repeating-linear-gradient(115deg, #fff 0 1px, transparent 1px 26px);
}
.svc-hero-inner { position: relative; z-index: 1; }
.svc-hero .breadcrumb { margin: 0 0 26px; }
.svc-hero .breadcrumb a,
.svc-hero .breadcrumb span { color: rgba(255,255,255,.88); }
.svc-hero .breadcrumb li + li::before { color: rgba(255,255,255,.45); }
.svc-hero .breadcrumb li[aria-current] span { color: rgba(255,255,255,.55); }
.svc-hero .breadcrumb a:hover { color: #fff; }

.svc-hero-main {
  display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 46px; align-items: start;
}
.svc-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; margin-bottom: 18px;
  font-size: 13px; font-weight: 600; letter-spacing: .02em;
  color: #ffd9db; background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.22); border-radius: 999px;
}
.svc-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: #ff5a62; box-shadow: 0 0 0 4px rgba(255,90,98,.22);
}
.svc-hero h1 {
  margin: 0 0 14px; font-size: clamp(27px, 4.2vw, 46px); line-height: 1.22;
  font-weight: 900; letter-spacing: -.02em; color: #fff;
}
.svc-h1sub { margin: 0 0 12px; font-size: 17px; color: #ffd9db; font-weight: 600; }
.svc-sub {
  margin: 0 0 20px; max-width: 44em;
  font-size: 16px; line-height: 1.85; color: rgba(255,255,255,.82);
}
.svc-points { display: grid; gap: 9px; margin: 0 0 26px; }
.svc-points li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 15px; color: rgba(255,255,255,.9);
}
.svc-points .i-check { color: #ff5a62; }

.svc-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-solid-light {
  background: #fff; color: var(--primary); border-color: #fff;
  box-shadow: 0 10px 26px rgba(0,0,0,.22);
}
.btn-solid-light:hover { background: #fff0f0; color: var(--accent); transform: translateY(-2px); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255,255,255,.1); color: #fff; }

/* 数据卡 */
.svc-stats {
  display: grid; gap: 12px; margin: 0; padding: 22px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16);
  border-radius: 14px; backdrop-filter: blur(2px);
}
.svc-stats li {
  display: flex; flex-direction: column; gap: 2px;
  padding-bottom: 12px; border-bottom: 1px dashed rgba(255,255,255,.16);
}
.svc-stats li:last-child { padding-bottom: 0; border-bottom: none; }
.svc-stats b {
  font-size: 27px; font-weight: 900; letter-spacing: -.02em; color: #fff;
  font-variant-numeric: tabular-nums;
}
.svc-stats span { font-size: 13.5px; color: rgba(255,255,255,.66); }

/* 信任条 */
.svc-trust {
  display: flex; flex-wrap: wrap; gap: 10px 30px; margin: 34px 0 0;
  padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14);
}
.svc-trust li {
  display: flex; align-items: center; gap: 8px;
  font-size: 14.5px; font-weight: 600; color: rgba(255,255,255,.92);
}
.svc-trust .i-check { color: #ff5a62; margin-top: 0; }

/* ---------- 分节 ---------- */
.svc-sec { padding: 68px 0; }
.svc-sec.is-soft { background: var(--bg-soft); border-block: 1px solid var(--line); }
.svc-sec-head { max-width: 760px; margin: 0 0 36px; }
.svc-eyebrow {
  display: block; margin-bottom: 10px;
  font-size: 12px; font-weight: 800; letter-spacing: .2em; color: var(--primary);
}
.svc-sec-head h2 {
  margin: 0 0 12px; font-size: clamp(22px, 2.6vw, 32px); font-weight: 900; letter-spacing: -.01em;
}
.svc-sec-head h2::after {
  content: ''; display: block; width: 46px; height: 4px; margin-top: 14px;
  background: var(--primary); border-radius: 2px;
}
.svc-lead { margin: 0; font-size: 16px; line-height: 1.85; color: var(--ink-2); }

/* 通用卡片网格 */
.svc-cards { display: grid; gap: 18px; }
.svc-cards.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.svc-cards.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.svc-cards.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.svc-card {
  position: relative; padding: 26px 24px 24px; background: #fff;
  border: 1px solid var(--line); border-radius: 14px;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s;
}
.svc-card::before {
  content: ''; position: absolute; left: 24px; top: 0; width: 34px; height: 3px;
  background: var(--primary); border-radius: 0 0 3px 3px;
}
.svc-card:hover {
  transform: translateY(-4px); border-color: rgba(200,22,29,.35);
  box-shadow: 0 14px 34px rgba(16,18,22,.1);
}
.svc-card h3 { margin: 0 0 10px; font-size: 18px; font-weight: 800; }
.svc-card-desc { margin: 0; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.svc-card-list { display: grid; gap: 8px; margin: 14px 0 0; }
.svc-card-list li {
  display: flex; gap: 9px; align-items: flex-start; font-size: 14px; color: var(--ink-2);
}
a.svc-card.is-link { display: block; color: inherit; }
a.svc-card.is-link:hover { color: inherit; }

/* 平铺要点 */
.svc-list { display: grid; gap: 12px 24px; }
.svc-list.cols-1 { grid-template-columns: 1fr; }
.svc-list.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.svc-list.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.svc-list li {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 13px 16px; background: #fff; border: 1px solid var(--line);
  border-radius: 10px; font-size: 15px;
}
.svc-sec.is-soft .svc-list li { background: #fff; }

/* 标签行 */
.svc-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.svc-chip {
  padding: 6px 14px; font-size: 13.5px; font-weight: 600; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
}
.svc-sec.is-soft .svc-chip { background: #fff; }

/* 补充说明 */
.svc-notes { margin: 20px 0 0; display: grid; gap: 8px; }
.svc-notes li {
  position: relative; padding-left: 16px; font-size: 13.5px; line-height: 1.8; color: var(--ink-3);
}
.svc-notes li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 5px; height: 5px; border-radius: 50%; background: #c3c7cf;
}

/* ---------- 步骤条 ---------- */
.svc-steps {
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 0;
  margin: 0; padding: 0; list-style: none; counter-reset: none;
}
.svc-steps li {
  position: relative; display: flex; gap: 12px; padding: 0 18px;
}
.svc-steps li + li::before {
  content: ''; position: absolute; left: 0; top: 17px; width: 1px; height: calc(100% - 17px);
  background: linear-gradient(var(--line), transparent);
}
.svc-steps li:first-child { padding-left: 0; }
.svc-steps li:last-child { padding-right: 0; }
.step-no {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 15px; font-weight: 900; color: #fff;
  background: linear-gradient(140deg, var(--primary), var(--accent));
  box-shadow: 0 6px 16px rgba(200,22,29,.28);
}
.step-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.step-body b { font-size: 16px; font-weight: 800; }
.step-body span { font-size: 13.5px; line-height: 1.7; color: var(--ink-3); }

/* ---------- 价格卡 ---------- */
.svc-price { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: start; }
.price-card {
  position: relative; display: flex; flex-direction: column;
  padding: 30px 26px 26px; background: #fff;
  border: 1px solid var(--line); border-radius: 16px;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.price-card:hover { transform: translateY(-5px); box-shadow: 0 18px 42px rgba(16,18,22,.12); }
.price-card.is-hot {
  border-color: rgba(200,22,29,.5); box-shadow: 0 14px 36px rgba(200,22,29,.14);
}
.price-badge {
  position: absolute; top: -12px; left: 26px;
  padding: 4px 12px; font-size: 12px; font-weight: 700; color: #fff;
  background: var(--primary); border-radius: 999px;
  box-shadow: 0 6px 14px rgba(200,22,29,.3);
}
.price-card h3 { margin: 0 0 12px; font-size: 18px; font-weight: 800; }
.price-num {
  margin: 0 0 6px; font-size: 34px; font-weight: 900; letter-spacing: -.02em;
  color: var(--primary); font-variant-numeric: tabular-nums; line-height: 1.1;
}
.price-num i { font-size: 14px; font-style: normal; font-weight: 600; color: var(--ink-3); margin-left: 4px; }
.price-desc { margin: 0 0 16px; font-size: 14px; line-height: 1.8; color: var(--ink-2); }
.price-list { display: grid; gap: 9px; margin: 0 0 22px; padding-top: 16px; border-top: 1px dashed var(--line); }
.price-list li { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; color: var(--ink-2); }
.price-card .btn-block { margin-top: auto; }

/* ---------- 问答折叠 ---------- */
.svc-faq {
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff;
}
.svc-faq .faq-item + .faq-item { border-top: 1px solid var(--line); }
.svc-faq .faq-item > summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; cursor: pointer; list-style: none;
  font-size: 16px; font-weight: 700; color: var(--ink);
  transition: background .18s, color .18s;
}
.svc-faq .faq-item > summary::-webkit-details-marker { display: none; }
.svc-faq .faq-item > summary:hover { background: #fff6f6; color: var(--primary); }
.faq-ico { position: relative; flex-shrink: 0; width: 18px; height: 18px; }
.faq-ico::before, .faq-ico::after {
  content: ''; position: absolute; background: var(--primary); border-radius: 2px;
  transition: transform .22s var(--ease), opacity .22s;
}
.faq-ico::before { left: 0; top: 8px; width: 18px; height: 2px; }
.faq-ico::after  { left: 8px; top: 0; width: 2px; height: 18px; }
.svc-faq .faq-item[open] > summary { color: var(--primary); }
.svc-faq .faq-item[open] .faq-ico::after { transform: rotate(90deg); opacity: 0; }
.faq-a {
  padding: 0 22px 20px; font-size: 15px; line-height: 1.9; color: var(--ink-2);
}

/* ---------- 品牌口号 / 中部 CTA ---------- */
.svc-brand {
  padding: 54px 0; text-align: center; color: #fff;
  background: linear-gradient(120deg, #16181d, #2a1418 60%, var(--accent));
}
.svc-brand h2 { margin: 0 0 10px; font-size: clamp(21px, 2.6vw, 30px); font-weight: 900; letter-spacing: .02em; }
.svc-brand p { margin: 0; font-size: 15px; color: rgba(255,255,255,.78); }

.svc-cta {
  padding: 44px 0; color: #fff;
  background: linear-gradient(120deg, var(--primary), var(--accent));
}
.svc-cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
}
.svc-cta h2 { margin: 0 0 6px; font-size: clamp(20px, 2.4vw, 27px); font-weight: 900; }
.svc-cta p { margin: 0; font-size: 15px; color: rgba(255,255,255,.86); }
.svc-cta-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.svc-cta .btn-ghost-light:hover { background: rgba(255,255,255,.16); }

/* ---------- 移动端底部工具栏让位（服务页底部就是咨询表单） ---------- */
@media (max-width: 768px) {
  .page-service .site-footer { padding-bottom: 64px; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .svc-cards.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-hero-main { grid-template-columns: 1fr; gap: 30px; }
  .svc-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .svc-stats li { padding-bottom: 0; border-bottom: none; }
}
@media (max-width: 768px) {
  .svc-hero { padding: 32px 0 38px; }
  .svc-hero h1 { font-size: 26px; }
  .svc-sub { font-size: 15px; }
  .svc-stats { grid-template-columns: 1fr; gap: 10px; padding: 18px; }
  .svc-stats li { flex-direction: row; align-items: baseline; gap: 10px; }
  .svc-stats b { font-size: 22px; }
  .svc-trust { gap: 8px 20px; margin-top: 26px; padding-top: 18px; }
  .svc-hero-cta .btn { flex: 1 1 auto; }

  .svc-sec { padding: 46px 0; }
  .svc-cards.cols-4,
  .svc-cards.cols-3,
  .svc-cards.cols-2 { grid-template-columns: 1fr; }
  .svc-list.cols-2, .svc-list.cols-3 { grid-template-columns: 1fr; }
  .svc-price { grid-template-columns: 1fr; }

  /* 步骤条在窄屏转成竖向时间轴 */
  .svc-steps { grid-auto-flow: row; gap: 4px; }
  .svc-steps li { padding: 0 0 0 0; gap: 14px; }
  .svc-steps li + li { margin-top: 16px; }
  .svc-steps li + li::before {
    left: 17px; top: -16px; width: 2px; height: 16px;
    background: var(--line);
  }
  .svc-step-line { display: none; }

  .svc-cta-inner { flex-direction: column; align-items: flex-start; }
  .svc-cta-btns { width: 100%; }
  .svc-cta-btns .btn { flex: 1 1 auto; }
}
@media (max-width: 420px) {
  .svc-card, .price-card { padding: 22px 18px; }
  .svc-faq .faq-item > summary { padding: 15px 16px; font-size: 15px; }
  .faq-a { padding: 0 16px 16px; font-size: 14.5px; }
}