/* 快通达康官网 v2 设计系统 —— 全站唯一样式表，移动优先 */
:root {
  --primary: #0e9f6e;
  --primary-dark: #0a7a52;
  --primary-deep: #075c3e;
  --primary-light: #e3f5ec;
  --grad: linear-gradient(120deg, #086b47 0%, #0e9f6e 55%, #35c48b 100%);
  --grad-soft: linear-gradient(135deg, #eefaf4 0%, #e2f3ff 100%);
  --orange: #ff8a3d;
  --orange-dark: #f0741f;
  --ink: #0c1f18;
  --ink-2: #12291f;
  --text: #1f2937;
  --text-light: #64748b;
  --bg: #f6faf8;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 14px;
  --shadow: 0 2px 14px rgba(15, 40, 30, .07);
  --shadow-lg: 0 14px 40px rgba(15, 40, 30, .13);
  --maxw: 1160px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.75; font-size: 15px;
}
a { color: var(--primary); text-decoration: none; }
img, svg { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- 滚动渐入 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--primary-deep); color: #cfeee0; font-size: 12.5px; position: relative; z-index: 101; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 34px; gap: 12px; }
.topbar a { color: #ffffff; opacity: .92; }
.topbar a:hover { opacity: 1; text-decoration: underline; }
.topbar .tb-right { display: flex; gap: 18px; white-space: nowrap; }
@media (max-width: 640px) {
  .topbar .tb-left { display: none; }
  .topbar-inner { justify-content: center; }
}

/* ---------- 导航 ---------- */
.site-header {
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 38px; }
.brand .brand-name { font-size: 21px; font-weight: 800; color: var(--text); letter-spacing: 1px; }
.brand .brand-slogan { font-size: 11px; color: var(--primary); border-left: 1px solid var(--border); padding-left: 10px; line-height: 1.4; }
.nav-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--text); cursor: pointer; }
.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a { color: var(--text); font-size: 15px; font-weight: 500; position: relative; padding: 4px 0; }
.main-nav a:not(.cta)::after {
  content: ""; position: absolute; left: 50%; bottom: -4px; width: 0; height: 3px;
  background: var(--primary); border-radius: 2px; transition: width .2s ease, left .2s ease;
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; left: 0; }
.main-nav a:hover, .main-nav a.active { color: var(--primary); }
.main-nav a.cta {
  background: var(--grad); color: var(--white);
  padding: 9px 22px; border-radius: 999px; font-weight: 700;
  box-shadow: 0 4px 14px rgba(14, 159, 110, .35);
}
.main-nav a.cta:hover { filter: brightness(1.08); }
@media (max-width: 920px) {
  .brand .brand-slogan { display: none; }
  .nav-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    background: var(--white); flex-direction: column; align-items: stretch;
    padding: 10px 22px 20px; gap: 0; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 4px; border-bottom: 1px solid var(--border); }
  .main-nav a:not(.cta)::after { display: none; }
  .main-nav a.cta { margin-top: 14px; text-align: center; border-bottom: none; }
}

/* ---------- 首页轮播 hero ---------- */
.carousel { position: relative; overflow: hidden; color: var(--white); }
.car-track { display: flex; transition: transform .6s cubic-bezier(.4, 0, .2, 1); }
.car-slide { flex: 0 0 100%; min-height: 480px; display: flex; align-items: center; position: relative; overflow: hidden; }
.car-slide .container { position: relative; z-index: 2; width: 100%; }
.slide-a { background: var(--grad); }
.slide-b { background: linear-gradient(120deg, #0b3a63 0%, #1467a8 60%, #2e9bd6 100%); }
.slide-c { background: linear-gradient(120deg, #7a4a10 0%, #c07820 55%, #e8a33d 100%); }
.car-slide::after {
  content: ""; position: absolute; right: -140px; top: -140px;
  width: 460px; height: 460px; border-radius: 50%; background: rgba(255, 255, 255, .08);
}
.car-slide::before {
  content: ""; position: absolute; left: -100px; bottom: -180px;
  width: 360px; height: 360px; border-radius: 50%; background: rgba(255, 255, 255, .06);
}
.slide-grid { display: flex; align-items: center; gap: 40px; }
.slide-copy { flex: 1 1 460px; padding: 56px 0; }
.slide-kicker {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 2px;
  background: rgba(255, 255, 255, .16); padding: 5px 16px; border-radius: 999px; margin-bottom: 18px;
}
.slide-copy h1, .slide-copy .h1 { font-size: 44px; line-height: 1.28; font-weight: 800; letter-spacing: 1px; margin-bottom: 14px; }
.slide-copy h1 em, .slide-copy .h1 em { font-style: normal; color: #ffe08a; }
.slide-sub { font-size: 17px; opacity: .93; max-width: 560px; margin-bottom: 28px; }
.slide-art { flex: 0 1 420px; min-width: 0; }
.btn { display: inline-block; padding: 13px 34px; border-radius: 999px; font-size: 16px; font-weight: 700; cursor: pointer; border: none; transition: transform .15s ease, filter .15s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-orange { background: var(--orange); color: var(--white); box-shadow: 0 6px 18px rgba(240, 116, 31, .4); }
.btn-orange:hover { background: var(--orange-dark); }
.btn-white { background: var(--white); color: var(--primary-dark); }
.btn-ghost-w { border: 2px solid rgba(255, 255, 255, .8); color: var(--white); padding: 11px 30px; background: transparent; }
.btn-ghost-w:hover { background: rgba(255, 255, 255, .12); }
.btn-primary { background: var(--grad); color: var(--white); box-shadow: 0 5px 16px rgba(14, 159, 110, .35); }
.slide-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.car-dots { position: absolute; bottom: 20px; left: 0; right: 0; display: flex; justify-content: center; gap: 10px; z-index: 5; }
.car-dots button {
  width: 26px; height: 5px; border-radius: 3px; border: none; cursor: pointer;
  background: rgba(255, 255, 255, .35); transition: background .2s;
}
.car-dots button.on { background: var(--white); }
.car-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 42px; height: 42px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255, 255, 255, .18); color: var(--white); font-size: 19px;
}
.car-arrow:hover { background: rgba(255, 255, 255, .32); }
.car-prev { left: 16px; } .car-next { right: 16px; }
@media (max-width: 920px) {
  .car-slide { min-height: 430px; }
  .slide-copy h1, .slide-copy .h1 { font-size: 30px; }
  .slide-art { display: none; }
  .car-arrow { display: none; }
}

/* ---------- 通用 section ---------- */
.section { padding: 72px 0; }
.section.tight { padding: 56px 0; }
.section.alt { background: var(--white); }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head .eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; color: var(--primary);
  letter-spacing: 3px; margin-bottom: 8px;
}
.section-head h2 { font-size: 32px; font-weight: 800; margin-bottom: 10px; letter-spacing: 1px; }
.section-head p { color: var(--text-light); font-size: 15.5px; max-width: 640px; margin: 0 auto; }
@media (max-width: 640px) { .section { padding: 52px 0; } .section-head h2 { font-size: 24px; } }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- 信任数据条 ---------- */
.trust-strip { background: var(--white); border-bottom: 1px solid var(--border); }
.trust-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 26px 0; }
.trust-item { text-align: center; position: relative; }
.trust-item + .trust-item::before {
  content: ""; position: absolute; left: 0; top: 15%; height: 70%; width: 1px; background: var(--border);
}
.trust-item strong { display: block; font-size: 21px; font-weight: 800; color: var(--primary); }
.trust-item span { font-size: 13px; color: var(--text-light); }
@media (max-width: 720px) {
  .trust-inner { grid-template-columns: repeat(2, 1fr); gap: 18px 8px; }
  .trust-item:nth-child(3)::before { display: none; }
}

/* ---------- 服务矩阵卡 ---------- */
.svc-card {
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 30px 26px; position: relative; overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease; display: flex; flex-direction: column;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.svc-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--grad); opacity: 0; transition: opacity .2s;
}
.svc-card:hover::before { opacity: 1; }
.svc-ico {
  width: 58px; height: 58px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin-bottom: 18px; background: var(--primary-light);
}
.svc-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.svc-card p { font-size: 13.5px; color: var(--text-light); flex: 1; }
.svc-card .svc-for { font-size: 12px; color: var(--primary-dark); background: var(--primary-light); border-radius: 6px; padding: 6px 10px; margin: 14px 0; }
.svc-card .more { font-size: 14px; font-weight: 600; }
.svc-card .more:hover { text-decoration: underline; }

/* ---------- 痛点 + 对比表 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 44px; }
.pain-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px; }
.pain-card .p-num { font-size: 30px; font-weight: 800; color: #d7e9e0; line-height: 1; margin-bottom: 10px; }
.pain-card h4 { font-size: 16.5px; margin-bottom: 6px; }
.pain-card p { font-size: 13.5px; color: var(--text-light); }
@media (max-width: 860px) { .pain-grid { grid-template-columns: 1fr; } }
.vs-table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.vs-table th, .vs-table td { padding: 15px 18px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
.vs-table thead th { font-size: 15px; }
.vs-table thead th:first-child { width: 22%; background: #f1f5f3; }
.vs-table thead th:nth-child(2) { background: #f8f4ef; color: #8a6d3b; }
.vs-table thead th:nth-child(3) { background: var(--primary-light); color: var(--primary-dark); }
.vs-table tbody th { background: #fafcfb; font-weight: 600; font-size: 13.5px; }
.vs-table td.good { color: var(--primary-dark); font-weight: 600; }
.vs-table td.bad { color: #9a7b4f; }
.vs-table tr:last-child th, .vs-table tr:last-child td { border-bottom: none; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll .vs-table { min-width: 640px; }

/* ---------- 服务流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.step {
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px 18px; text-align: center; position: relative;
}
.step .s-badge {
  width: 44px; height: 44px; margin: 0 auto 12px; border-radius: 50%;
  background: var(--grad); color: var(--white); font-weight: 800; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
}
.step h4 { font-size: 15.5px; margin-bottom: 4px; }
.step p { font-size: 12.5px; color: var(--text-light); }
.step:not(:last-child)::after {
  content: "→"; position: absolute; right: -14px; top: 42%; color: #b9d6c9; font-size: 18px; z-index: 1;
}
@media (max-width: 960px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:not(:last-child)::after { display: none; }
}
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }

/* ---------- 满屏色块：四不承诺 ---------- */
.pledge { background: var(--grad); color: var(--white); padding: 76px 0; position: relative; overflow: hidden; }
.pledge::after {
  content: ""; position: absolute; right: -160px; bottom: -160px;
  width: 480px; height: 480px; border-radius: 50%; background: rgba(255, 255, 255, .07);
}
.pledge .section-head h2, .pledge .section-head p { color: var(--white); }
.pledge .section-head .eyebrow { color: #ffe08a; }
.pledge .section-head p { opacity: .88; }
.pledge-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; z-index: 2; }
.pledge-card {
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22);
  border-radius: var(--radius); padding: 26px 22px; backdrop-filter: blur(4px);
}
.pledge-card .p-ico { font-size: 26px; margin-bottom: 10px; }
.pledge-card h4 { font-size: 17px; margin-bottom: 6px; }
.pledge-card p { font-size: 13px; opacity: .88; }
@media (max-width: 960px) { .pledge-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pledge-grid { grid-template-columns: 1fr; } }

/* ---------- 权威平台导航 ---------- */
.gov-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gov-card {
  background: var(--white); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; color: var(--text); display: block;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.gov-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-3px); }
.gov-card .g-tag {
  display: inline-block; font-size: 11px; padding: 2px 9px; border-radius: 4px;
  margin-bottom: 9px; font-weight: 600;
}
.g-tag.official { background: #feeceb; color: #d92d20; }
.g-tag.exam { background: #e8eefc; color: #2456e6; }
.g-tag.rise { background: #f0ebff; color: #7a5af8; }
.g-tag.resource { background: var(--primary-light); color: var(--primary-dark); }
.gov-card h4 { font-size: 15px; margin-bottom: 4px; }
.gov-card p { font-size: 12px; color: var(--text-light); line-height: 1.6; }
.gov-note { text-align: center; font-size: 12px; color: var(--text-light); margin-top: 18px; }
@media (max-width: 960px) { .gov-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .gov-grid { grid-template-columns: 1fr; } }

/* ---------- 资讯中心（tab） ---------- */
.news-tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; }
.news-tabs button {
  border: 1px solid var(--border); background: var(--white); color: var(--text);
  padding: 9px 24px; border-radius: 999px; font-size: 14.5px; cursor: pointer; font-weight: 600;
  transition: all .15s ease;
}
.news-tabs button.on { background: var(--grad); color: var(--white); border-color: transparent; }
.news-panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
.news-item { display: none; }
.news-item.show { display: flex; }
.news-item {
  align-items: center; gap: 16px; background: var(--white); border-radius: 12px;
  box-shadow: var(--shadow); padding: 16px 18px; color: var(--text);
  transition: transform .15s ease, box-shadow .15s ease;
}
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.news-item:hover .n-title { color: var(--primary); }
.news-date {
  flex: none; width: 56px; text-align: center; background: var(--bg);
  border-radius: 10px; padding: 7px 0; line-height: 1.25;
}
.news-date b { display: block; font-size: 19px; color: var(--primary); }
.news-date i { font-style: normal; font-size: 11px; color: var(--text-light); }
.n-body { min-width: 0; flex: 1; }
.n-title { font-size: 15px; font-weight: 600; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.n-digest { font-size: 12.5px; color: var(--text-light); overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.n-tag { flex: none; font-size: 11px; color: var(--orange-dark); background: #fff1e6; padding: 2px 9px; border-radius: 4px; }
@media (max-width: 860px) { .news-panel-grid { grid-template-columns: 1fr; } }

/* ---------- 资料下载 ---------- */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.dl-card {
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 24px; display: flex; flex-direction: column; gap: 8px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.dl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.dl-top { display: flex; align-items: center; gap: 12px; }
.dl-ico {
  width: 46px; height: 46px; border-radius: 12px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 23px; flex: none;
}
.dl-card h4 { font-size: 15.5px; }
.dl-card .dl-sub { font-size: 11.5px; color: var(--text-light); }
.dl-card p { font-size: 13px; color: var(--text-light); flex: 1; }
.dl-card .btn-dl {
  display: block; text-align: center; background: var(--primary-light); color: var(--primary-dark);
  border-radius: 9px; padding: 10px 0; font-size: 14px; font-weight: 700; transition: all .15s;
}
.dl-card .btn-dl:hover { background: var(--primary); color: var(--white); }
@media (max-width: 960px) { .dl-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .dl-grid { grid-template-columns: 1fr; } }

/* ---------- FAQ 折叠 ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: var(--white); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-size: 15.5px; font-weight: 600;
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--primary); flex: none; transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 22px 18px; font-size: 14px; color: var(--text-light); border-top: 1px dashed var(--border); padding-top: 14px; }

/* ---------- CTA 大段 + 表单 ---------- */
.cta-band { background: var(--ink); color: var(--white); padding: 76px 0; position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; left: 50%; top: -260px; transform: translateX(-50%);
  width: 720px; height: 720px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 159, 110, .35) 0%, transparent 65%);
}
.cta-grid { display: flex; gap: 48px; align-items: center; position: relative; z-index: 2; flex-wrap: wrap; }
.cta-copy { flex: 1 1 400px; }
.cta-copy h2 { font-size: 34px; font-weight: 800; margin-bottom: 14px; }
.cta-copy h2 em { font-style: normal; color: #56d9a3; }
.cta-copy p { opacity: .82; font-size: 15.5px; max-width: 520px; margin-bottom: 20px; }
.cta-points { list-style: none; display: grid; gap: 8px; font-size: 14.5px; }
.cta-points li::before { content: "✓ "; color: #56d9a3; font-weight: 700; }
.lead-card {
  flex: 0 1 420px; min-width: 300px; background: var(--white); color: var(--text);
  border-radius: 18px; padding: 28px 28px 20px; box-shadow: 0 24px 60px rgba(0, 0, 0, .4);
}
.lead-card h3 { font-size: 20px; margin-bottom: 4px; }
.lead-card .lead-tip { font-size: 13px; color: var(--text-light); margin-bottom: 16px; }
.lead-card .form-row { margin-bottom: 12px; }
.lead-card label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.lead-card .req { color: #d92d20; }
.lead-card input, .lead-card select, .lead-card textarea {
  width: 100%; padding: 10px 12px; font-size: 14px; border: 1px solid var(--border);
  border-radius: 9px; font-family: inherit; background: #f8fafc;
}
.lead-card input:focus, .lead-card select:focus, .lead-card textarea:focus {
  outline: none; border-color: var(--primary); background: var(--white);
}
.lead-card .form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.lead-card button[type=submit] { width: 100%; margin-top: 4px; }
.lead-card .privacy-note { font-size: 11px; color: var(--text-light); line-height: 1.6; margin-top: 10px; }
.form-msg { font-size: 13px; margin-top: 8px; min-height: 18px; }
.form-msg.ok { color: var(--primary); }
.form-msg.err { color: #d92d20; }
@media (max-width: 900px) { .cta-copy h2 { font-size: 26px; } .lead-card { flex: 1 1 100%; } }

/* ---------- 内页 hero 带 ---------- */
.page-hero { background: var(--grad); color: var(--white); padding: 52px 0 46px; position: relative; overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; right: -120px; top: -160px;
  width: 380px; height: 380px; border-radius: 50%; background: rgba(255, 255, 255, .08);
}
.page-hero h1 { font-size: 32px; font-weight: 800; letter-spacing: 1px; margin-bottom: 8px; }
.page-hero p { opacity: .9; font-size: 15.5px; max-width: 680px; }
.crumb { font-size: 12.5px; opacity: .75; margin-bottom: 14px; }
.crumb a { color: var(--white); text-decoration: underline; }

/* ---------- 文章页 ---------- */
.article-wrap { max-width: 780px; margin: 0 auto; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px 44px; }
.article-wrap h1 { font-size: 26px; line-height: 1.4; margin-bottom: 10px; }
.article-meta { font-size: 12.5px; color: var(--text-light); border-bottom: 1px solid var(--border); padding-bottom: 16px; margin-bottom: 22px; }
.article-body p { margin-bottom: 14px; font-size: 15px; }
.article-body h2 { font-size: 19px; margin: 26px 0 10px; padding-left: 12px; border-left: 4px solid var(--primary); }
.article-body ul, .article-body ol { margin: 0 0 14px 22px; font-size: 15px; }
.article-body li { margin-bottom: 6px; }
.article-tip {
  background: var(--primary-light); border-left: 4px solid var(--primary);
  border-radius: 8px; padding: 14px 16px; font-size: 13.5px; margin: 18px 0; color: var(--primary-deep);
}
.article-nav { max-width: 780px; margin: 22px auto 0; display: flex; justify-content: space-between; font-size: 14px; flex-wrap: wrap; gap: 10px; }
@media (max-width: 640px) { .article-wrap { padding: 28px 20px; } }

/* ---------- 服务详情页 ---------- */
.svc-detail { display: flex; gap: 34px; align-items: flex-start; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 34px; margin-bottom: 26px; flex-wrap: wrap; }
.svc-detail .sd-ico { width: 72px; height: 72px; border-radius: 18px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 34px; flex: none; }
.svc-detail .sd-body { flex: 1 1 420px; min-width: 0; }
.svc-detail h3 { font-size: 21px; margin-bottom: 8px; }
.svc-detail .sd-lede { color: var(--text-light); font-size: 14.5px; margin-bottom: 16px; }
.sd-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.sd-cols h5 { font-size: 14px; color: var(--primary-dark); margin-bottom: 6px; }
.sd-cols ul { list-style: none; font-size: 13.5px; color: var(--text-light); display: grid; gap: 5px; }
.sd-cols li::before { content: "· "; color: var(--primary); font-weight: 700; }
@media (max-width: 720px) { .sd-cols { grid-template-columns: 1fr; } }

/* ---------- 浮动侧边栏 / 移动底栏 ---------- */
.float-bar {
  position: fixed; right: 16px; bottom: 120px; z-index: 90;
  display: flex; flex-direction: column; gap: 8px;
}
.float-bar a, .float-bar button {
  width: 56px; height: 56px; border-radius: 14px; border: none; cursor: pointer;
  background: var(--white); box-shadow: var(--shadow-lg); color: var(--text);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 11px; gap: 2px; transition: transform .15s ease;
}
.float-bar a:hover, .float-bar button:hover { transform: translateY(-3px); color: var(--primary); }
.float-bar .fb-ico { font-size: 20px; line-height: 1; }
.float-bar .fb-main { background: var(--grad); color: var(--white); }
.float-bar .fb-main:hover { color: var(--white); filter: brightness(1.08); }
.mobile-cta { display: none; }
@media (max-width: 720px) {
  .float-bar { display: none; }
  .mobile-cta {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    background: var(--white); border-top: 1px solid var(--border); padding: 10px 14px;
    gap: 10px; box-shadow: 0 -4px 18px rgba(0, 0, 0, .08);
  }
  .mobile-cta a { flex: 1; text-align: center; padding: 12px 0; border-radius: 999px; font-weight: 700; font-size: 15px; }
  .mobile-cta .mc-ghost { border: 1.5px solid var(--primary); color: var(--primary); }
  .mobile-cta .mc-main { background: var(--grad); color: var(--white); }
  body { padding-bottom: 68px; }
}

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: #9fb8ac; padding: 56px 0 30px; font-size: 13.5px; }
.footer-cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 34px; margin-bottom: 30px; }
.site-footer h4 { color: var(--white); font-size: 15.5px; margin-bottom: 12px; }
.site-footer a { color: #9fb8ac; }
.site-footer a:hover { color: var(--white); }
.f-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.f-brand img { height: 34px; }
.f-brand span { color: var(--white); font-size: 19px; font-weight: 800; }
.f-links { display: grid; gap: 8px; }
.friend-links { border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 16px; font-size: 12px; line-height: 2; }
.friend-links a { margin-right: 14px; }
.disclaimer { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 14px; padding-top: 16px; font-size: 12px; line-height: 1.9; color: #7d9589; }
@media (max-width: 860px) { .footer-cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-cols { grid-template-columns: 1fr; } }

/* ============ v2.1 视觉升级：多彩 + 动效 + 互动 ============ */
:root {
  --blue: #3b82f6; --blue-l: #e3edff;
  --purple: #8b5cf6; --purple-l: #f0eaff;
  --pink: #ec4899; --pink-l: #fde7f1;
  --yellow: #fbbf24; --yellow-l: #fff6de;
  --cyan: #06b6d4; --cyan-l: #e0f7fc;
  --red2: #f04438; --red-l: #feeceb;
}
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes floaty2 { 0%, 100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-9px) rotate(3deg); } }
@keyframes wiggle { 0%, 100% { transform: rotate(-2deg); } 50% { transform: rotate(2deg); } }
@keyframes tickmove { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes popin { from { opacity: 0; transform: scale(.85); } to { opacity: 1; transform: scale(1); } }
.f-slow { animation: floaty 5s ease-in-out infinite; }
.f-mid { animation: floaty2 4s ease-in-out infinite; }
.f-fast { animation: floaty 3.2s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) {
  .f-slow, .f-mid, .f-fast { animation: none; }
  .ticker-track { animation: none; }
}

/* 跑马灯标语条 */
.ticker { background: linear-gradient(90deg, #ffb648, #ff8a3d 40%, #ff6f61 100%); overflow: hidden; padding: 12px 0; }
.ticker-track { display: flex; width: max-content; animation: tickmove 26s linear infinite; }
.ticker span {
  white-space: nowrap; color: #ffffff; font-weight: 800; font-size: 15px;
  padding: 0 26px; letter-spacing: 1px; text-shadow: 0 1px 2px rgba(0, 0, 0, .12);
}

/* 彩色 section 背景 */
.bg-lavender { background: linear-gradient(160deg, #f4f0ff 0%, #fdf3fb 100%); }
.bg-mint { background: linear-gradient(160deg, #e9faf2 0%, #eef8ff 100%); }
.bg-sky { background: linear-gradient(160deg, #eef5ff 0%, #f2fbff 100%); }
.bg-cream { background: linear-gradient(160deg, #fff8e8 0%, #fff2f0 100%); }
.blob-wrap { position: relative; overflow: hidden; }
.blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .45; pointer-events: none; }
.blob-1 { width: 380px; height: 380px; background: #c9b8ff; top: -120px; right: -100px; }
.blob-2 { width: 320px; height: 320px; background: #ffd3a8; bottom: -120px; left: -90px; }
.blob-3 { width: 300px; height: 300px; background: #a8e6ff; top: 30%; right: -110px; }
.blob-wrap > .container { position: relative; z-index: 1; }

/* 服务卡多彩主题 */
.svc-card.t-green .svc-ico { background: var(--primary-light); }
.svc-card.t-blue .svc-ico { background: var(--blue-l); }
.svc-card.t-purple .svc-ico { background: var(--purple-l); }
.svc-card.t-orange .svc-ico { background: #fff1e6; }
.svc-card.t-green::before { background: linear-gradient(90deg, #0e9f6e, #35c48b); opacity: 1; }
.svc-card.t-blue::before { background: linear-gradient(90deg, #2563eb, #60a5fa); opacity: 1; }
.svc-card.t-purple::before { background: linear-gradient(90deg, #7c3aed, #c084fc); opacity: 1; }
.svc-card.t-orange::before { background: linear-gradient(90deg, #f0741f, #ffb648); opacity: 1; }
.svc-card.t-blue .svc-for { background: var(--blue-l); color: #1d4ed8; }
.svc-card.t-purple .svc-for { background: var(--purple-l); color: #6d28d9; }
.svc-card.t-orange .svc-for { background: #fff1e6; color: #c2570e; }
.svc-card.t-blue .more { color: #2563eb; }
.svc-card.t-purple .more { color: #7c3aed; }
.svc-card.t-orange .more { color: #f0741f; }

/* 痛点卡彩色编号 */
.pain-card { border-top: 5px solid transparent; }
.pain-card:nth-child(1) { border-top-color: #ffb648; }
.pain-card:nth-child(2) { border-top-color: #c084fc; }
.pain-card:nth-child(3) { border-top-color: #60a5fa; }
.pain-card:nth-child(1) .p-num { color: #ffe3b8; }
.pain-card:nth-child(2) .p-num { color: #e9d5ff; }
.pain-card:nth-child(3) .p-num { color: #cfe3ff; }

/* 数字统计条 */
.stats-band { background: linear-gradient(120deg, #0b3a63 0%, #0e6f8f 45%, #0e9f6e 100%); color: #ffffff; padding: 46px 0; position: relative; overflow: hidden; }
.stats-band::after { content: ""; position: absolute; right: -100px; top: -140px; width: 380px; height: 380px; border-radius: 50%; background: rgba(255, 255, 255, .07); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; z-index: 1; }
.stat-item { text-align: center; }
.stat-item .num { font-size: 44px; font-weight: 900; line-height: 1.1; }
.stat-item .num .unit { font-size: 20px; font-weight: 700; margin-left: 2px; }
.stat-item .lbl { font-size: 13.5px; opacity: .88; margin-top: 4px; }
.stat-item:nth-child(1) .num { color: #ffe08a; }
.stat-item:nth-child(2) .num { color: #8ae2ff; }
.stat-item:nth-child(3) .num { color: #b5ffdb; }
.stat-item:nth-child(4) .num { color: #ffc6e2; }
@media (max-width: 720px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 8px; } .stat-item .num { font-size: 34px; } }

/* 30 秒小自测 */
.quiz-card {
  max-width: 720px; margin: 0 auto; background: var(--white); border-radius: 20px;
  box-shadow: var(--shadow-lg); padding: 34px 34px 28px; position: relative; overflow: hidden;
}
.quiz-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 6px; background: linear-gradient(90deg, #8b5cf6, #ec4899, #ff8a3d, #fbbf24); }
.quiz-progress { display: flex; gap: 6px; margin-bottom: 18px; }
.quiz-progress i { flex: 1; height: 6px; border-radius: 3px; background: #eee6fb; }
.quiz-progress i.done { background: linear-gradient(90deg, #8b5cf6, #ec4899); }
.quiz-q { font-size: 19px; font-weight: 800; margin-bottom: 18px; }
.quiz-opts { display: grid; gap: 10px; }
.quiz-opts button {
  text-align: left; padding: 14px 18px; border-radius: 12px; border: 2px solid var(--border);
  background: #faf8ff; font-size: 15px; cursor: pointer; font-weight: 600; color: var(--text);
  transition: all .15s ease; font-family: inherit;
}
.quiz-opts button:hover { border-color: #8b5cf6; background: #f4efff; transform: translateX(4px); }
.quiz-opts button .oi { margin-right: 8px; }
.quiz-result { text-align: center; animation: popin .35s ease; }
.quiz-result .qr-ico { font-size: 52px; margin-bottom: 8px; }
.quiz-result h3 { font-size: 22px; margin-bottom: 8px; }
.quiz-result p { color: var(--text-light); font-size: 14.5px; margin-bottom: 20px; }
.quiz-result .qr-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.quiz-restart { background: none; border: none; color: var(--text-light); font-size: 13px; cursor: pointer; margin-top: 14px; text-decoration: underline; }
.quiz-restart:hover { color: #8b5cf6; }

/* 卡片 3D 倾斜 */
.tilt { transform-style: preserve-3d; will-change: transform; }

/* 资讯标签多彩 */
.n-tag.c-policy { background: var(--red-l); color: #d92d20; }
.n-tag.c-method { background: var(--blue-l); color: #1d4ed8; }
.n-tag.c-rise { background: var(--purple-l); color: #6d28d9; }
.n-tag.c-res { background: var(--primary-light); color: var(--primary-dark); }

/* 资料卡多彩图标底 */
.dl-card:nth-child(6n+1) .dl-ico { background: var(--red-l); }
.dl-card:nth-child(6n+2) .dl-ico { background: var(--blue-l); }
.dl-card:nth-child(6n+3) .dl-ico { background: var(--yellow-l); }
.dl-card:nth-child(6n+4) .dl-ico { background: var(--purple-l); }
.dl-card:nth-child(6n+5) .dl-ico { background: var(--cyan-l); }
.dl-card:nth-child(6n+6) .dl-ico { background: var(--primary-light); }

/* 四不承诺升级为蓝绿渐变 */
.pledge { background: linear-gradient(120deg, #086b47 0%, #0e9f6e 40%, #0e6f8f 100%); }
.pledge-card:hover { background: rgba(255, 255, 255, .18); transform: translateY(-4px); }
.pledge-card { transition: all .2s ease; }

/* 步骤徽章多彩 */
.step:nth-child(1) .s-badge { background: linear-gradient(135deg, #ff8a3d, #ffb648); }
.step:nth-child(2) .s-badge { background: linear-gradient(135deg, #ec4899, #f9a8d4); }
.step:nth-child(3) .s-badge { background: linear-gradient(135deg, #8b5cf6, #c084fc); }
.step:nth-child(4) .s-badge { background: linear-gradient(135deg, #3b82f6, #7dd3fc); }
.step:nth-child(5) .s-badge { background: linear-gradient(135deg, #0e9f6e, #35c48b); }

/* 标题彩色下划线 */
.section-head h2 { position: relative; display: inline-block; }
.section-head h2::after {
  content: ""; position: absolute; left: 12%; right: 12%; bottom: 4px; height: 10px;
  background: linear-gradient(90deg, rgba(251, 191, 36, .5), rgba(236, 72, 153, .35));
  z-index: -1; border-radius: 6px;
}
.pledge .section-head h2::after, .cta-band .section-head h2::after { background: rgba(255, 255, 255, .18); }

/* ============ v2.2 实景图片 ============ */
.photo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.photo-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); aspect-ratio: 16/11; display: block;
}
.photo-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.photo-card:hover img { transform: scale(1.07); }
.photo-card .pc-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 16px 12px;
  background: linear-gradient(transparent, rgba(8, 30, 22, .82));
  color: #ffffff; font-size: 14.5px; font-weight: 700;
}
.photo-card .pc-cap small { display: block; font-weight: 400; font-size: 11.5px; opacity: .82; }
.photo-note { text-align: center; font-size: 11.5px; color: var(--text-light); margin-top: 14px; }
@media (max-width: 900px) { .photo-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .photo-grid { grid-template-columns: 1fr; } .photo-card { aspect-ratio: 16/9; } }

.sd-photo { flex: 0 1 300px; min-width: 240px; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); align-self: center; }
.sd-photo img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
@media (max-width: 860px) { .sd-photo { flex: 1 1 100%; order: -1; } }

.article-hero-img { border-radius: 12px; overflow: hidden; margin-bottom: 22px; }
.article-hero-img img { width: 100%; max-height: 320px; object-fit: cover; }