/* ============ 宇宙生殖 站点样式：暖色系（珊瑚橙主色 × 暖金点缀） ============
   v10 视觉重构：光晕 Hero / 卡片微交互 / 滚动进场 / 阅读进度 / 移动底栏
============================================================================ */
:root {
  --blue-50: #FDF6F0;   /* 暖白背景 */
  --blue-100: #FAE7D8;  /* 浅桃 */
  --blue-200: #F3D2B8;  /* 桃色描边 */
  --blue-500: #E8825A;  /* 主色 · 珊瑚橙 */
  --blue-600: #DC7148;
  --blue-700: #C25E38;  /* 深暖橙 */
  --warm-100: #FFF7EA;  /* 暖金浅底 */
  --warm-200: #FBE7C6;
  --warm-500: #E9A93F;  /* 点缀 · 暖金 */
  --warm-600: #D8952B;
  --warm-700: #B57A1E;
  --text: #5A4438;
  --text-light: #8C776A;
  --title: #6B4A34;
  --line: #F1E3D7;
  --white: #FFFFFF;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 4px 18px rgba(190, 130, 90, .10);
  --shadow-hover: 0 14px 34px rgba(190, 130, 90, .20);
  --grad: linear-gradient(135deg, #F0995C 0%, #DC7148 100%);
  --grad-soft: linear-gradient(135deg, var(--blue-100) 0%, var(--warm-100) 100%);
  --ease: cubic-bezier(.22, .68, .35, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: var(--text); background: var(--white); line-height: 1.78; font-size: 19px;
  padding-bottom: 0;
}
body.has-mbar { padding-bottom: 64px; }
a { color: var(--blue-700); text-decoration: none; transition: color .2s; }
a:hover { color: var(--warm-600); }
img { max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.4; font-weight: 600; color: var(--title); }
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.center { text-align: center; }
.pad-lg { padding: 80px 20px; }
::selection { background: var(--blue-200); color: var(--title); }

/* ---------- 阅读进度条 ---------- */
.read-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 300; pointer-events: none; }
.read-progress i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--blue-500), var(--warm-500));
  transition: width .1s linear;
}

/* ---------- 顶栏 ---------- */
.topbar { background: linear-gradient(90deg, #4A3227 0%, var(--blue-700) 55%, var(--blue-600) 100%); color: #FFE9D6; font-size: 15px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 46px; gap: 12px; }
.topbar-tip { opacity: .92; letter-spacing: .3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-right { display: flex; align-items: center; gap: 16px; flex: none; }
.topbar-link { color: #FFE0C4; display: inline-flex; align-items: center; gap: 5px; }
.topbar-link:hover { color: #fff; }
.topbar-phone { color: #FFD9A8; font-weight: 700; letter-spacing: .5px; display: inline-flex; align-items: center; gap: 5px; }
.tb-svg { width: 15px; height: 15px; }

/* ---------- 导航 ---------- */
.nav {
  background: rgba(255, 255, 255, .92); backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent; position: sticky; top: 0; z-index: 120;
  transition: box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 22px rgba(190, 130, 90, .12); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--text); flex: none; }
.brand-logo { width: 42px; height: 42px; border-radius: 13px; flex: none; object-fit: cover; background: var(--blue-50); box-shadow: 0 3px 10px rgba(200, 140, 95, .22); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 800; font-size: 18.5px; color: var(--title); letter-spacing: .5px; }
.brand-sub { font-style: normal; font-size: 10.5px; letter-spacing: 2.2px; color: var(--text-light); opacity: .8; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; }
.nav-a {
  display: flex; align-items: center; gap: 5px; padding: 9px 13px; border-radius: 10px;
  color: var(--text); font-size: 16.5px; white-space: nowrap; transition: background .2s, color .2s;
}
.nav-item:hover > .nav-a { background: var(--blue-50); color: var(--blue-700); }
.nav-item.on > .nav-a { color: var(--blue-700); font-weight: 700; }
.nav-item.on > .nav-a::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 2px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--warm-500));
}
.nav-caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor; opacity: .55; }
.nav-sub {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(6px);
  min-width: 150px; background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 12px 30px rgba(150, 100, 70, .16); padding: 6px; opacity: 0; visibility: hidden;
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
.nav-item.has-sub:hover .nav-sub { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-sub a { display: block; padding: 8px 14px; border-radius: 8px; font-size: 15px; color: var(--text); white-space: nowrap; }
.nav-sub a:hover { background: var(--blue-50); color: var(--blue-700); }
.nav-sub a.on { color: var(--blue-700); font-weight: 700; background: var(--blue-50); }
.nav-toggle {
  display: none; border: none; background: none; cursor: pointer; padding: 8px; width: 42px; height: 42px;
  flex-direction: column; justify-content: center; gap: 5px; border-radius: 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--title); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn { display: inline-block; padding: 10px 26px; border-radius: 999px; font-weight: 600; font-size: 16.5px; border: none; cursor: pointer; transition: all .2s var(--ease); text-align: center; }
.btn-lg { padding: 14px 36px; font-size: 17.5px; }
.btn-warm { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(226, 130, 80, .34); }
.btn-warm:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(226, 130, 80, .42); }
.btn-blue { background: var(--blue-600); color: #fff; }
.btn-blue:hover { background: var(--blue-700); color: #fff; }
.btn-ghost { border: 1.5px solid var(--blue-200); color: var(--blue-700); background: rgba(255, 255, 255, .85); }
.btn-ghost:hover { border-color: var(--blue-500); color: var(--blue-700); background: var(--blue-50); }
.btn-outline { border: 1.5px solid rgba(255, 255, 255, .7); color: #fff; background: rgba(255, 255, 255, .12); }
.btn-outline:hover { background: rgba(255, 255, 255, .24); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--blue-100) 0%, var(--blue-50) 52%, var(--warm-100) 100%);
  padding: 72px 0 80px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-bg .orb { position: absolute; border-radius: 50%; filter: blur(48px); opacity: .5; }
.orb-a { width: 340px; height: 340px; top: -110px; left: -70px; background: radial-gradient(circle, #FFC79B, transparent 70%); }
.orb-b { width: 300px; height: 300px; bottom: -130px; right: 6%; background: radial-gradient(circle, #FFDCA8, transparent 70%); }
.orb-c { width: 220px; height: 220px; top: 30%; right: -80px; background: radial-gradient(circle, #FFB98F, transparent 70%); opacity: .38 !important; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1fr; gap: 44px; align-items: center; }
.hero-split .hero-inner { grid-template-columns: 1.05fr .95fr; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px; background: rgba(255, 255, 255, .9);
  color: var(--warm-700); border: 1px solid var(--warm-200); padding: 7px 18px; border-radius: 999px;
  font-size: 14.5px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(200, 150, 100, .14);
}
.hero-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--blue-500); box-shadow: 0 0 0 4px rgba(232, 130, 90, .2); }
.hero-text h1 { font-size: 46px; line-height: 1.24; color: var(--title); margin-bottom: 18px; letter-spacing: .5px; }
.hero-sub { color: var(--text-light); font-size: 19.5px; margin-bottom: 30px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-trust { list-style: none; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust li {
  display: inline-flex; align-items: center; gap: 7px; font-size: 16px; color: var(--text-light);
  background: rgba(255, 255, 255, .72); border: 1px solid rgba(243, 210, 184, .8);
  padding: 7px 15px; border-radius: 999px;
}
.ht-svg { width: 17px; height: 17px; color: var(--blue-600); }
.hero-card { position: relative; }

/* ---------- 咨询表单 ---------- */
.lead-form {
  background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 26px 26px 22px;
  box-shadow: 0 18px 44px rgba(170, 115, 80, .18);
}
.lead-head { margin-bottom: 16px; }
.lead-head h3 { font-size: 20px; color: var(--title); }
.lead-head p { font-size: 14.5px; color: var(--text-light); margin-top: 4px; }
.lead-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lead-field { display: block; margin-bottom: 12px; }
.lead-field > span { display: block; font-size: 13.5px; color: var(--text-light); margin-bottom: 5px; font-weight: 600; }
.lead-field > span em { color: var(--blue-600); font-style: normal; }
.lead-field input, .lead-field select, .lead-field textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: 11px; padding: 10px 13px;
  font-size: 15px; font-family: inherit; color: var(--text); background: #FFFDFB; transition: border .18s, box-shadow .18s;
}
.lead-field textarea { resize: vertical; }
.lead-field input:focus, .lead-field select:focus, .lead-field textarea:focus {
  outline: none; border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 3px rgba(232, 130, 90, .14);
}
.lead-check { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--text-light); margin: 6px 0 14px; cursor: pointer; }
.lead-check input { width: 16px; height: 16px; margin-top: 3px; flex: none; accent-color: var(--blue-600); }
.lead-check a { color: var(--blue-700); text-decoration: underline; }
.lead-submit { width: 100%; padding: 13px; font-size: 16.5px; }
.lead-submit[disabled] { opacity: .6; cursor: wait; }
.lead-note { font-size: 12.5px; color: #A8998E; margin-top: 10px; line-height: 1.6; }
.lead-result { font-size: 14px; margin-top: 8px; }
.lead-result.ok { color: #2E8B57; }
.lead-result.err { color: #C0503C; }
.lead-form.compact { padding: 22px; border-radius: var(--radius); box-shadow: var(--shadow); }

/* ---------- 区块 ---------- */
.section { padding: 70px 0; }
.section-alt { background: linear-gradient(180deg, var(--blue-50) 0%, #fff 100%); }
.sec-head { text-align: center; margin-bottom: 44px; }
.sec-eyebrow { display: block; width: 42px; height: 4px; border-radius: 4px; margin: 0 auto 14px; background: linear-gradient(90deg, var(--blue-500), var(--warm-500)); }
.sec-head h2 { font-size: 36px; letter-spacing: .5px; }
.sec-head > p { color: var(--text-light); margin-top: 8px; font-size: 15.5px; }
.sec-more { margin-top: 12px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.more-link { font-size: 15.5px; color: var(--blue-600); font-weight: 600; }
.more-link:hover { color: var(--warm-600); }
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px;
  box-shadow: var(--shadow); transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--warm-500));
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.card:hover::before { transform: scaleX(1); }

/* 服务卡片 */
.svc-card { display: block; color: var(--text); }
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: #F6E2D2; color: var(--text); }
.svc-index { position: absolute; top: 16px; right: 20px; font-size: 26px; font-weight: 800; color: var(--blue-100); letter-spacing: -1px; }
.svc-card h3 { font-size: 19.5px; margin: 14px 0 8px; }
.svc-card p { color: var(--text-light); font-size: 16px; }
.svc-icon {
  width: 54px; height: 54px; border-radius: 15px; display: grid; place-items: center;
  background: var(--grad-soft); color: var(--blue-600); border: 1px solid rgba(232, 130, 90, .18);
  transition: transform .25s var(--ease);
}
.svc-card:hover .svc-icon { transform: scale(1.06) rotate(-3deg); }
.svc-icon .svc-svg { width: 28px; height: 28px; }
.svc-icon-lg { width: 64px; height: 64px; border-radius: 17px; }
.svc-icon-lg .svc-svg { width: 34px; height: 34px; }
.svc-more { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px; font-size: 14.5px; color: var(--warm-600); font-weight: 700; }
.svc-card:hover .svc-more { gap: 9px; }
.adv-card { padding: 24px 22px; }

/* 流程 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step {
  background: var(--white); border-radius: var(--radius); padding: 24px 22px; border: 1px solid var(--line);
  box-shadow: var(--shadow); transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.step:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.step-num {
  display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 12px;
  background: var(--grad); color: #fff; font-weight: 800; margin-bottom: 14px;
  box-shadow: 0 5px 14px rgba(220, 113, 72, .3);
}
.step h4 { font-size: 17px; margin-bottom: 6px; }
.step p { font-size: 14.5px; color: var(--text-light); }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; box-shadow: var(--shadow); transition: box-shadow .2s; }
.faq-item:hover { box-shadow: var(--shadow-hover); }
.faq-item summary { list-style: none; cursor: pointer; padding: 17px 24px; font-weight: 600; color: var(--title); display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 16.5px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { color: var(--blue-700); }
.faq-item[open] .faq-arrow { transform: rotate(180deg); }
.faq-arrow { color: var(--warm-500); transition: transform .25s var(--ease); flex: none; }
.faq-body { padding: 0 24px 20px; color: var(--text-light); font-size: 16.5px; }
.faq-page { max-width: 880px; margin: 0 auto; }
/* FAQ 页合并区块：费用参考 / 试管攻略 */
.faq-extra { max-width: 920px; margin: 44px auto 0; }
.faq-extra-h { font-size: 27px; color: var(--title); font-weight: 700; text-align: center; margin: 8px 0 6px; letter-spacing: .5px; }
.faq-extra-h::after { content: ""; display: block; width: 52px; height: 4px; border-radius: 4px; margin: 14px auto 0; background: linear-gradient(90deg, var(--blue-500), var(--warm-500)); }
.faq-extra-sub { text-align: center; color: var(--text-light); font-size: 15.5px; margin-bottom: 22px; }
.faq-guide-body { background: var(--blue-50); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; margin-top: 14px; }
.faq-guide-body h2 { font-size: 22px; margin: 18px 0 8px; }
.faq-guide-body h2:first-child { margin-top: 0; }
.faq-guide-body h3 { font-size: 18.5px; margin: 16px 0 6px; color: var(--title); }
.faq-guide-body p, .faq-guide-body li { color: var(--text); line-height: 1.8; }
.faq-guide-body ul, .faq-guide-body ol { padding-left: 22px; margin: 8px 0 14px; }
.faq-guide-body a { color: var(--blue-700); }

/* 资讯卡片 */
.art-card { display: block; color: var(--text); }
.art-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); color: var(--text); }
.art-card h3 { font-size: 17.5px; margin: 12px 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.art-card p { font-size: 14.5px; color: var(--text-light); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.art-cat { display: inline-block; background: var(--blue-100); color: var(--blue-700); font-size: 13px; padding: 3px 12px; border-radius: 999px; font-weight: 600; }
a.art-cat:hover { background: var(--blue-500); color: #fff; }
.art-meta { display: block; margin-top: 14px; font-size: 14px; color: #A8998E; }
.art-meta-head { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin: 14px 0 22px; color: var(--text-light); font-size: 14.5px; }

/* 资讯封面图 */
.art-thumb { flex: none; width: 168px; height: 118px; object-fit: cover; border-radius: 12px; border: 1px solid var(--line); }
.art-thumb-ph {
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 20px; letter-spacing: 2px;
  background: linear-gradient(135deg, var(--blue-500) 0%, var(--blue-700) 55%, var(--warm-600) 100%);
}
.art-card-cover { display: block; height: 156px; margin-bottom: 14px; border-radius: 12px; overflow: hidden; }
.art-card-cover img, img.art-card-cover { width: 100%; height: 156px; object-fit: cover; display: block; transition: transform .4s var(--ease); }
.art-card:hover .art-card-cover img { transform: scale(1.05); }
span.art-card-cover { display: grid; place-items: center; border: 1px solid var(--line); }
.art-cover { width: 100%; max-height: 420px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); margin: 4px 0 24px; }

/* ---------- 面包屑 ---------- */
.crumbs { padding: 20px 20px 0; font-size: 14.5px; color: var(--text-light); }
.crumbs a { color: var(--text-light); }
.crumbs a:hover { color: var(--blue-700); }
.crumbs span { margin: 0 6px; opacity: .55; }
.crumbs em { font-style: normal; color: var(--blue-700); }

/* ---------- 双栏 ---------- */
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 38px; padding: 24px 20px 70px; }

/* 文章 */
.article h1 { font-size: 30px; line-height: 1.42; }
.article-body { font-size: 18px; color: var(--text); }
.article-body h2 { font-size: 22px; margin: 34px 0 14px; padding-left: 13px; border-left: 4px solid var(--blue-500); scroll-margin-top: 90px; }
.article-body h3 { font-size: 18.5px; margin: 26px 0 10px; scroll-margin-top: 90px; }
.article-body p { margin-bottom: 14px; }
.article-body ul, .article-body ol { margin: 0 0 16px 22px; }
.article-body li { margin-bottom: 7px; }
.article-body strong { color: var(--title); }
.article-body a.ilink { color: var(--blue-600); border-bottom: 1px dashed var(--blue-500); }
.article-body a.ilink:hover { color: var(--warm-600); border-color: var(--warm-500); }
.article-body img { border-radius: var(--radius-sm); border: 1px solid var(--line); margin: 8px 0; }
.article-body blockquote {
  border-left: 3px solid var(--warm-500); background: var(--warm-100); padding: 12px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 16px 0; color: var(--text-light);
}
.art-nav { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); margin-top: 36px; padding-top: 20px; font-size: 15.5px; }
.art-nav a { max-width: 48%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.related { margin-top: 28px; background: var(--blue-50); border-radius: var(--radius); padding: 22px 26px; border: 1px solid var(--line); }
.related h4 { color: var(--title); margin-bottom: 10px; }
.related a { display: block; padding: 7px 0; font-size: 15.5px; }
.art-disclaimer { margin-top: 24px; font-size: 14px; color: #A8998E; background: var(--blue-50); border-left: 3px solid var(--blue-200); border-radius: 0 10px 10px 0; padding: 13px 18px; }
.svc-head { display: flex; align-items: center; gap: 18px; margin-bottom: 12px; }
.svc-summary { color: var(--text-light); font-size: 16.5px; padding: 16px 20px; background: var(--warm-100); border-radius: var(--radius-sm); margin-bottom: 26px; border-left: 3px solid var(--warm-500); }
.art-cta, .page-cta { margin-top: 40px; }
.art-cta .lead-form, .page-cta .lead-form {
  background: linear-gradient(150deg, var(--blue-50) 0%, var(--warm-100) 100%);
  border-color: var(--blue-200); box-shadow: none;
}
.art-cta .lead-field input, .art-cta .lead-field select, .art-cta .lead-field textarea,
.page-cta .lead-field input, .page-cta .lead-field select, .page-cta .lead-field textarea { background: #fff; }

/* 侧栏 */
.side { position: sticky; top: 92px; align-self: start; }
.side-box { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin-bottom: 20px; box-shadow: var(--shadow); }
.side-box h4 { font-size: 17px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--blue-100); }
.toc-list { list-style: none; font-size: 14.5px; }
.toc-list li { margin-bottom: 2px; }
.toc-list a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--text-light); border-left: 2px solid transparent; }
.toc-list a:hover { background: var(--blue-50); color: var(--blue-700); }
.toc-list a.active { color: var(--blue-700); font-weight: 700; border-left-color: var(--blue-500); background: var(--blue-50); }
.toc-lv3 a { padding-left: 22px; font-size: 14px; }
.side-cta { background: linear-gradient(150deg, #4A3227 0%, #6B4433 100%); border-color: transparent; color: #F0E2D6; }
.side-cta h4 { color: #FFD9A8; border-bottom-color: rgba(255, 255, 255, .14); }
.side-cta-p { font-size: 14px; color: #D9C6B8; margin-bottom: 14px; }
.side-btn { width: 100%; }
.side-cta-tel { font-size: 13.5px; color: #C9B4A5; margin-top: 12px; text-align: center; }
.side-cta-tel b { color: #FFD9A8; }
.hot-item { display: flex; gap: 10px; align-items: baseline; padding: 8px 0; font-size: 15px; color: var(--text); border-bottom: 1px dashed var(--line); }
.hot-item:hover { color: var(--blue-700); }
.hot-item:last-child { border-bottom: none; }
.hot-rank { flex: none; width: 21px; height: 21px; border-radius: 7px; background: var(--blue-100); color: var(--blue-700); font-size: 12.5px; display: grid; place-items: center; font-weight: 800; }
.hot-item:nth-child(2) .hot-rank { background: var(--warm-200); color: var(--warm-700); }
.side-link { display: flex; align-items: center; gap: 8px; padding: 9px 0; font-size: 15.5px; border-bottom: 1px dashed var(--line); }
.side-link:last-child { border-bottom: none; }
.sl-svg { width: 18px; height: 18px; color: var(--blue-600); flex: none; }
.side-link span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 列表页 */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.filter-bar a { padding: 8px 20px; border-radius: 999px; background: #fff; color: var(--text); font-size: 15.5px; border: 1px solid var(--line); transition: all .2s; }
.filter-bar a:hover { border-color: var(--blue-500); color: var(--blue-700); }
.filter-bar a.on { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 5px 14px rgba(226, 130, 80, .28); }
.art-row {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; background: var(--white);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; margin-bottom: 16px;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease); color: var(--text);
}
.art-row:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); color: var(--text); }
.art-row h3 { font-size: 18.5px; margin: 8px 0; }
.art-row p { font-size: 15px; color: var(--text-light); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.art-row-main { flex: 1; min-width: 0; }
.art-go { flex: none; color: var(--warm-500); font-size: 22px; transition: transform .2s; }
.art-row:hover .art-go { transform: translateX(5px); }
.empty-tip { text-align: center; color: var(--text-light); padding: 60px 0; }
.pager { display: flex; gap: 12px; justify-content: center; margin-top: 34px; align-items: center; }
.pager a { padding: 8px 20px; border-radius: 10px; background: #fff; border: 1px solid var(--line); font-size: 15.5px; }
.pager a:hover { border-color: var(--blue-500); color: var(--blue-700); }
.pager-cur { color: var(--text-light); font-size: 15.5px; }

/* CTA 通栏 */
.cta-band { background: linear-gradient(120deg, #4A3227 0%, #7A4A34 60%, #A65F35 100%); padding: 56px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-text h2 { color: #fff; font-size: 27px; margin-bottom: 8px; }
.cta-text p { color: #E9D6C6; font-size: 15.5px; }
.cta-text b { color: #FFD9A8; font-size: 17px; }
.cta-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* 联系卡片 */
.contact-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 36px; }
.contact-card {
  background: var(--blue-50); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
  text-align: center; transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.cc-icon { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: #fff; color: var(--blue-600); margin-bottom: 12px; box-shadow: var(--shadow); }
.cc-icon svg { width: 25px; height: 25px; }
.contact-card h4 { font-size: 16.5px; margin-bottom: 6px; }
.contact-card p { font-size: 15.5px; color: var(--text); }
.contact-card i { display: block; font-style: normal; font-size: 13.5px; color: var(--text-light); margin-top: 6px; }

/* 搜索页 */
.search-page { padding: 20px 20px 70px; }
.search-hero { text-align: center; margin-bottom: 40px; }
.search-hero h1 { font-size: 30px; margin-bottom: 20px; }
.search-box { display: flex; gap: 10px; max-width: 620px; margin: 0 auto; }
.search-box input {
  flex: 1; border: 1.5px solid var(--line); border-radius: 999px; padding: 13px 22px; font-size: 16px;
  font-family: inherit; color: var(--text); background: #FFFDFB; transition: border .2s, box-shadow .2s;
}
.search-box input:focus { outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(232, 130, 90, .14); }
.search-count { margin-top: 16px; color: var(--text-light); font-size: 15px; }
.search-count b { color: var(--blue-700); font-size: 17px; }
.search-group { margin-bottom: 40px; }
.search-group h2 { font-size: 20px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.search-group h2 span {
  font-size: 13px; font-weight: 700; color: var(--blue-700); background: var(--blue-100);
  padding: 2px 10px; border-radius: 999px;
}
mark { background: #FFE7C4; color: var(--title); padding: 0 2px; border-radius: 3px; }

/* 404 */
.nf-wrap { text-align: center; padding: 90px 20px 100px; }
.nf-code { font-size: 108px; font-weight: 800; line-height: 1; background: linear-gradient(135deg, var(--blue-300, #F3D2B8), var(--warm-500)); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 14px; }
.nf-wrap h1 { font-size: 25px; margin-bottom: 10px; }
.nf-wrap > p { color: var(--text-light); margin-bottom: 28px; }
.nf-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 30px; }
.nf-search { display: flex; gap: 10px; max-width: 460px; margin: 0 auto; }
.nf-search input { flex: 1; border: 1.5px solid var(--line); border-radius: 999px; padding: 10px 20px; font-size: 15px; font-family: inherit; }
.nf-search input:focus { outline: none; border-color: var(--blue-500); }

/* ---------- 页脚 ---------- */
.footer { background: #3B2721; color: #CDBCB0; margin-top: 0; padding: 56px 0 26px; font-size: 15px; }
.footer-top { display: grid; grid-template-columns: 1.25fr 2fr; gap: 44px; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer-brand .brand-name { color: #fff; font-size: 19px; }
.footer-slogan { margin: 14px 0 12px; color: #E4CDBB; }
.footer-contact { line-height: 2; color: #B8A496; font-size: 15.5px; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.footer-col a { display: block; color: #B8A496; padding: 5px 0; font-size: 14.5px; transition: color .2s, transform .2s; }
.footer-col a:hover { color: #FFCF9E; transform: translateX(3px); }
.footer-note { padding: 22px 0 0; color: #94806F; font-size: 13.5px; line-height: 1.9; }
.footer-bottom { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .08); color: #8A7568; font-size: 13px; }

/* ---------- 服务详情 · 流程时间线 ---------- */
.svc-timeline {
  margin: 50px 0 34px; padding: 38px 36px 30px;
  background: var(--blue-50); border: 1px solid var(--blue-100);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.svc-timeline-head { text-align: center; margin-bottom: 32px; }
.svc-timeline-kicker { display: inline-block; font-size: 13px; letter-spacing: 4px; color: var(--blue-700); font-weight: 700; }
.svc-timeline-head h2 { font-size: 24px; margin: 10px 0 8px; font-weight: 700; }
.svc-timeline-head p { font-size: 15px; color: var(--text-light); margin: 0; }
.timeline { list-style: none; position: relative; padding-left: 8px; margin: 0; }
.timeline::before {
  content: ''; position: absolute; left: 19px; top: 8px; bottom: 18px; width: 2px;
  background: linear-gradient(180deg, var(--blue-500) 0%, var(--blue-200) 65%, transparent 100%); border-radius: 2px;
}
.timeline-item { position: relative; padding: 6px 0 22px 56px; }
.timeline-item:last-child { padding-bottom: 4px; }
.timeline-num {
  position: absolute; left: 0; top: 4px; width: 40px; height: 40px; border-radius: 50%;
  background: var(--grad); color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(220, 113, 72, .3); z-index: 1; transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.timeline-item:hover .timeline-num { transform: scale(1.08); box-shadow: 0 6px 18px rgba(220, 113, 72, .42); }
.timeline-num span { font-weight: 700; font-size: 17.5px; line-height: 1; }
.timeline-body h4 { font-size: 17.5px; color: var(--title); margin: 0 0 6px; line-height: 1.45; font-weight: 700; }
.timeline-body p { font-size: 15px; color: var(--text-light); line-height: 1.85; margin: 0; }
.timeline-disclaimer { margin: 24px 0 0; padding-top: 18px; border-top: 1px dashed var(--blue-200); font-size: 14px; color: var(--text-light); text-align: center; }

/* ---------- 右下浮动咨询框 ---------- */
.fab-panel {
  position: fixed; right: 18px; bottom: 18px; width: 264px;
  background: var(--white); border: 1px solid var(--blue-100);
  border-radius: 18px; box-shadow: 0 12px 40px rgba(120, 70, 40, .24);
  overflow: hidden; z-index: 200;
}
.fab-head { position: relative; background: var(--grad); color: #fff; text-align: center; padding: 16px 12px 13px; }
.fab-head strong { display: block; font-size: 22px; letter-spacing: 3px; font-weight: 700; }
.fab-head span { display: block; font-size: 11.5px; letter-spacing: 3.5px; opacity: .85; margin-top: 3px; }
.fab-close { position: absolute; top: 7px; right: 9px; width: 26px; height: 26px; border: none; border-radius: 50%; background: rgba(255, 255, 255, .22); color: #fff; font-size: 17.5px; line-height: 1; cursor: pointer; transition: background .2s; }
.fab-close:hover { background: rgba(255, 255, 255, .36); }
.fab-body { padding: 14px 14px 16px; text-align: center; background: var(--blue-50); }
.fab-qr { display: block; margin: 0 auto; width: 148px; height: 148px; border-radius: 10px; background: #fff; border: 1px solid var(--blue-200); object-fit: cover; }
.fab-banner { margin-top: 12px; padding: 12px 12px 10px; background: linear-gradient(150deg, #5A3D2E 0%, #442F26 100%); border-radius: 10px; text-align: left; }
.fab-banner-title { margin: 0 0 9px; text-align: center; color: #FFC77A; font-weight: 700; font-size: 16px; letter-spacing: 1px; }
.fab-points { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 10px; }
.fab-points li { color: #F3E4D8; font-size: 14px; line-height: 1.55; }
.fab-points li::before { content: '✓ '; color: #E9A93F; font-weight: 700; }
.fab-btn { margin-top: 12px; width: 100%; }
.fab-ball {
  position: fixed; right: 18px; bottom: 18px; width: 58px; height: 58px;
  border: none; border-radius: 50%; cursor: pointer; display: none; align-items: center; justify-content: center;
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 26px rgba(220, 113, 72, .42); z-index: 200; transition: transform .2s var(--ease);
}
.fab-svg { width: 26px; height: 26px; }
.fab-ball:hover { transform: scale(1.06); }
body.fab-collapsed .fab-panel { display: none; }
body.fab-collapsed .fab-ball { display: flex; }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 18px; bottom: 92px; width: 44px; height: 44px; border: none; border-radius: 50%;
  background: #fff; color: var(--blue-600); box-shadow: 0 6px 20px rgba(150, 100, 70, .2);
  cursor: pointer; display: grid; place-items: center; z-index: 190;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--blue-600); color: #fff; }
.tt-svg { width: 20px; height: 20px; }

/* ---------- 首页 Banner 轮播（零依赖） ---------- */
.hero-carousel { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--blue-50); aspect-ratio: 16 / 10; }
.hc-track { display: flex; height: 100%; transition: transform .6s var(--ease); }
.hc-slide { position: relative; min-width: 100%; height: 100%; }
.hc-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hc-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 22px 22px; background: linear-gradient(180deg, rgba(18,28,42,0) 0%, rgba(18,28,42,.66) 100%); color: #fff; }
.hc-cap strong { display: block; font-size: 22px; font-weight: 700; letter-spacing: .5px; text-shadow: 0 1px 8px rgba(0,0,0,.4); }
.hc-cap span { display: block; margin-top: 5px; font-size: 14.5px; opacity: .92; }
.hc-dots { position: absolute; top: 12px; right: 14px; display: flex; gap: 8px; z-index: 3; }
.hc-dot { width: 9px; height: 9px; border: none; border-radius: 50%; background: rgba(255, 255, 255, .55); cursor: pointer; padding: 0; transition: background .25s var(--ease), transform .25s var(--ease); }
.hc-dot.on { background: #fff; transform: scale(1.25); box-shadow: 0 0 0 2px rgba(255, 255, 255, .35); }

/* ---------- 滚动进场 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-split .hero-inner { grid-template-columns: 1fr; gap: 34px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .side { position: static; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 10px 16px 18px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-hover);
    max-height: calc(100vh - 70px); overflow-y: auto;
  }
  .nav-links.open { display: flex; }
  .nav-item { width: 100%; }
  .nav-a { padding: 13px 10px; font-size: 16.5px; justify-content: space-between; }
  .nav-item.on > .nav-a::after { display: none; }
  .nav-sub {
    position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none;
    background: var(--blue-50); padding: 4px; margin: 0 8px 6px; display: none;
  }
  .nav-item.has-sub:hover .nav-sub, .nav-item.has-sub.open .nav-sub { display: block; transform: none; }
  .fab-panel { display: none !important; }
  body.fab-collapsed .fab-panel { display: none !important; }
  .fab-ball { display: none !important; }
  .to-top { bottom: 78px; }
}
@media (max-width: 640px) {
  .grid-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .topbar-tip { display: none; }
  .topbar-inner { justify-content: flex-end; }
  .footer-cols { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 54px; }
  .hero-text h1 { font-size: 35px; }
  .hero-sub { font-size: 18px; }
  .hero-carousel { aspect-ratio: 16 / 9; }
  .hc-cap strong { font-size: 18px; }
  .hc-cap span { font-size: 13px; }
  .section { padding: 52px 0; }
  .sec-head h2 { font-size: 30px; }
  .art-row { padding: 16px; flex-wrap: wrap; }
  .art-thumb { width: 100%; height: 170px; }
  .art-go { display: none; }
  .lead-row { grid-template-columns: 1fr; }
  .cta-inner { text-align: center; }
  .cta-btns { width: 100%; }
  .cta-btns .btn { flex: 1; }
  .svc-timeline { padding: 26px 20px 22px; }
  .timeline-item { padding-left: 48px; }
  .timeline-num { width: 34px; height: 34px; }
  .timeline-num span { font-size: 15.5px; }
  .svc-timeline-head h2 { font-size: 20px; }
  .search-box { flex-direction: column; }
  .search-box .btn { width: 100%; }
  .nf-code { font-size: 82px; }
}

/* ============ 专家团队 / 费用参考 ============ */
.team-group, .price-group {
  font-size: 19px; color: var(--title); font-weight: 600;
  margin: 28px 0 14px; padding-left: 12px; border-left: 4px solid var(--blue-500);
}
.team-group:first-of-type, .price-group:first-of-type { margin-top: 6px; }
.team-card { text-align: center; }
.team-avatar {
  width: 66px; height: 66px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad); color: #fff; font-size: 27px; font-weight: 700;
  margin: 6px auto 12px; box-shadow: var(--shadow);
}
.team-card h3 { font-size: 17px; margin: 4px 0 6px; }
.team-role { color: var(--blue-600); font-weight: 600; font-size: 14px; margin: 0 0 8px; }
.team-bio { color: var(--text-light); font-size: 14px; line-height: 1.7; }
.price-table-wrap { overflow-x: auto; margin-bottom: 6px; }
.price-table {
  width: 100%; border-collapse: collapse; background: var(--white);
  border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow);
}
.price-table th, .price-table td {
  padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line);
  font-size: 15.5px; vertical-align: top;
}
.price-table th { background: var(--blue-50); color: var(--title); font-weight: 700; }
.price-table tr:last-child td { border-bottom: none; }

/* ============ 二维码（联系页） ============ */
.contact-qr { display: block; width: 140px; height: 140px; background: #fff; border-radius: 10px; padding: 7px; margin: 8px auto 4px; border: 1px solid var(--line); object-fit: cover; }
.price-num { color: var(--blue-600); font-weight: 700; white-space: nowrap; }

/* ============ 关于我们页 · 代码层补充区块（服务范围 / 中国家庭服务 / 合规提示） ============ */
.ae { margin: 34px 0 6px; }
.ae + .ae { margin-top: 40px; }
.ae-title { font-size: 22px; margin: 0 0 6px; padding-left: 13px; border-left: 4px solid var(--warm-500); color: var(--title); }
.ae-sub { color: var(--text-light); font-size: 15.5px; line-height: 1.7; margin: 0 0 16px; }
.ae-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.ae-card { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px 16px 14px; background: #fff; transition: box-shadow .2s, transform .2s, border-color .2s; }
.ae-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #F6E2D2; }
.ae-card .svc-icon { color: var(--warm-600); margin-bottom: 7px; }
.ae-card h3 { font-size: 16.5px; margin: 0 0 6px; color: var(--title); }
.ae-card p { font-size: 14.5px; color: var(--text-light); line-height: 1.65; margin: 0; }
.ae-note { border: 1px solid #f1c4c4; background: #fff6f6; border-radius: var(--radius-sm); padding: 18px 20px; }
.ae-note .ae-title { border-left-color: #e26d6d; }
.ae-note ul { margin: 10px 0 0 20px; }
.ae-note li { margin-bottom: 9px; font-size: 14.8px; line-height: 1.7; color: #7a3b3b; }
.ae-note li:last-child { margin-bottom: 0; }

/* ============ 文章文首/文尾 注入块（修改意见 1/2/3/5/6/10） ============ */
.art-note {
  border-radius: var(--radius-sm); padding: 14px 18px; margin: 6px 0 22px;
  font-size: 15px; line-height: 1.75; color: var(--text-light);
}
.art-head-note {
  background: var(--blue-50); border: 1px solid var(--blue-100); border-left: 3px solid var(--blue-500);
}
.art-head-note p { margin: 0; }
.art-foot-note {
  background: linear-gradient(150deg, var(--blue-50) 0%, var(--warm-100) 100%);
  border: 1px solid var(--blue-200); text-align: center;
}
.art-foot-note p { margin: 0 0 12px; color: var(--text); }
.art-foot-qr { display: inline-flex; flex-direction: column; align-items: center; gap: 6px; }
.art-foot-qr img {
  width: 120px; height: 120px; background: #fff; border: 1px solid var(--blue-200);
  border-radius: 10px; padding: 6px; object-fit: cover;
}
.art-foot-qr span { font-size: 13px; color: var(--text-light); }
.art-kw {
  margin-top: 16px; padding: 9px 16px; background: var(--white); border: 1px dashed var(--blue-200);
  border-radius: 999px; font-size: 13.5px; color: var(--text-light);
}
.art-kw::before { content: "\1F511\00A0"; }
/* 费用隐藏占位（修改意见 11） */
.price-mask { color: var(--blue-700); font-weight: 700; white-space: nowrap; }

/* 移动端底部快捷联系条（修改意见 7：官网移动站适配；桌面浮窗在窄屏隐藏，此处补移动端触达） */
.mbar { display: none; }
@media (max-width: 640px) {
  .mbar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 210;
    background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -6px 20px rgba(120, 70, 40, .12);
    padding: 7px 12px calc(7px + env(safe-area-inset-bottom)); gap: 12px;
  }
  .mbar-btn {
    flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    padding: 11px 0; border-radius: 12px; font-size: 15px; font-weight: 700; color: #fff;
  }
  .mbar-tel { background: var(--grad); }
  .mbar-chat { background: var(--blue-700); }
  .mbar-btn span { color: #fff; }
  .mb-svg { width: 19px; height: 19px; }
  body { padding-bottom: 64px; }
  .art-foot-qr img { width: 108px; height: 108px; }
}

@media (max-width: 600px) { .ae-grid { grid-template-columns: 1fr; } }

/* ============ 语言切换器（中 / EN / РУС） ============ */
.nav-lang { display: flex; align-items: center; gap: 5px; margin-left: 8px; flex: 0 0 auto; }
.nav-lang a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 32px; padding: 5px 10px; border-radius: 999px;
  font-size: 13.5px; font-weight: 700; line-height: 1; color: var(--title);
  border: 1px solid var(--line); background: #fff; transition: all .18s;
}
.nav-lang a:hover { border-color: var(--blue-500); color: var(--blue-700); }
.nav-lang a.ls-on { background: var(--grad); color: #fff; border-color: transparent; }
@media (max-width: 1080px) {
  .nav-lang { margin-left: 4px; }
  .nav-lang a { padding: 4px 8px; min-width: 28px; font-size: 12.5px; }
}
@media (max-width: 960px) {
  .nav-links { gap: 0; }
  .nav-lang { margin: 12px 10px 6px; justify-content: flex-start; flex-wrap: wrap; }
  .nav-lang a { padding: 10px 14px; font-size: 15px; min-width: 46px; }
  .nav-a { padding: 15px 10px; font-size: 16.5px; }
  .nav-toggle { width: 46px; height: 46px; }
}