/* ============================================================
   杭州高晟生物科技有限公司 — 官网样式系统
   设计基调：专业 / 洁净 / 实验室科技感
   ============================================================ */

:root {
  /* 品牌色 */
  --c-primary: #0A5C8A;
  --c-primary-dark: #073F5F;
  --c-primary-light: #E8F2F8;
  --c-accent: #00A99D;
  --c-accent-dark: #00867C;
  --c-accent-light: #E4F7F5;

  /* 中性色 */
  --c-ink: #12242E;
  --c-body: #3D5560;
  --c-muted: #6B8593;
  --c-line: #DCE6EC;
  --c-line-soft: #EAF1F5;
  --bg: #FFFFFF;
  --bg-soft: #F5F9FB;
  --bg-dark: #0A2231;

  /* 功能色 */
  --c-ok: #12A150;
  --c-warn: #D98A0B;
  --c-danger: #C0392B;

  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(10, 60, 90, .06);
  --shadow: 0 4px 16px rgba(10, 60, 90, .08);
  --shadow-lg: 0 12px 40px rgba(10, 60, 90, .12);
  --maxw: 1180px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--c-body);
  background: var(--bg);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-accent); }

h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.35; font-weight: 700; }
h1 { font-size: 2.35rem; letter-spacing: -.5px; }
h2 { font-size: 1.85rem; letter-spacing: -.3px; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 76px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--bg-dark); color: #C9DCE6; }
.section--dark h2, .section--dark h3 { color: #fff; }

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--c-primary-dark);
  color: #A9C6D6;
  font-size: 13px;
  padding: 7px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar a { color: #A9C6D6; }
.topbar a:hover { color: #fff; }
.topbar-links { display: flex; gap: 18px; align-items: center; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-line-soft);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 24px; }

.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 9px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  display: grid; place-items: center; color: #fff;
  font-weight: 800; font-size: 17px; letter-spacing: -.5px;
  flex-shrink: 0;
}
.brand-text strong { display: block; color: var(--c-ink); font-size: 16px; font-weight: 700; letter-spacing: -.2px; line-height: 1.25; }
.brand-text span { display: block; color: var(--c-muted); font-size: 11px; letter-spacing: 1.4px; text-transform: uppercase; }

.nav-menu { display: flex; gap: 4px; align-items: center; list-style: none; }
.nav-menu > li > a {
  display: block; padding: 8px 14px; border-radius: 7px;
  color: var(--c-body); font-size: 14.5px; font-weight: 500;
}
.nav-menu > li > a:hover { background: var(--c-primary-light); color: var(--c-primary); }
.nav-menu > li > a.active { color: var(--c-primary); font-weight: 600; background: var(--c-primary-light); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--c-ink); margin: 4px 0; border-radius: 2px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px; border-radius: 8px; font-size: 14.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: all .2s;
  font-family: var(--font); white-space: nowrap;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-accent { background: var(--c-accent); color: #fff; }
.btn-accent:hover { background: var(--c-accent-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: #fff; color: var(--c-primary); border-color: var(--c-line); }
.btn-ghost:hover { border-color: var(--c-primary); background: var(--c-primary-light); color: var(--c-primary); }
.btn-light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.3); }
.btn-light:hover { background: rgba(255,255,255,.24); color: #fff; }
.btn-sm { padding: 7px 15px; font-size: 13.5px; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(0,169,157,.20), transparent 62%),
    radial-gradient(760px 420px at 8% 108%, rgba(10,92,138,.16), transparent 60%),
    linear-gradient(160deg, #06304A 0%, #0A5C8A 58%, #0B6F82 100%);
  color: #fff;
  padding: 92px 0 84px;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.8), transparent 78%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { color: #fff; font-size: 2.6rem; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: #5FE3D6; }
.hero p.lead { font-size: 1.06rem; color: #BFD8E4; max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 34px; }

.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-tag {
  font-size: 12.5px; padding: 5px 12px; border-radius: 999px;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.20);
  color: #D5E9F2;
}

.hero-panel {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-lg);
  padding: 26px;
  backdrop-filter: blur(6px);
}
.hero-panel h3 { color: #fff; font-size: 1rem; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.hero-panel h3::before { content: ""; width: 3px; height: 15px; background: var(--c-accent); border-radius: 2px; }
.hero-stat { display: flex; justify-content: space-between; align-items: baseline; padding: 11px 0; border-bottom: 1px dashed rgba(255,255,255,.14); }
.hero-stat:last-child { border-bottom: 0; }
.hero-stat span { font-size: 13.5px; color: #A5C4D4; }
.hero-stat strong { font-size: 1.35rem; color: #5FE3D6; font-weight: 700; letter-spacing: -.5px; }

/* ---------- 数据条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
.stat { padding: 28px 22px; text-align: center; border-right: 1px solid var(--c-line-soft); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 2rem; color: var(--c-primary); font-weight: 700; letter-spacing: -1px; line-height: 1.2; }
.stat small { display: block; color: var(--c-muted); font-size: 13.5px; margin-top: 4px; }

/* ---------- 通用标题 ---------- */
.sec-head { max-width: 700px; margin-bottom: 44px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head .eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: 1.6px;
  color: var(--c-accent-dark); text-transform: uppercase; margin-bottom: 10px;
}
.sec-head h2 { margin-bottom: 14px; }
.sec-head p { color: var(--c-muted); font-size: 15.5px; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 26px;
  transition: all .22s; position: relative;
}
.card:hover { border-color: var(--c-primary); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.card-icon {
  width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center;
  background: var(--c-primary-light); color: var(--c-primary); margin-bottom: 16px;
}
.card-icon svg { width: 23px; height: 23px; }
.card h3 { margin-bottom: 9px; font-size: 1.08rem; }
.card p { font-size: 14.2px; color: var(--c-muted); }
.card ul { list-style: none; margin-top: 14px; }
.card ul li { font-size: 13.6px; color: var(--c-muted); padding-left: 18px; position: relative; margin-bottom: 6px; }
.card ul li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--c-accent); }

/* ---------- 资质/优势条 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.check-list { list-style: none; }
.check-list li { display: flex; gap: 13px; margin-bottom: 18px; }
.check-list li .ck {
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  background: var(--c-accent-light); color: var(--c-accent-dark);
  display: grid; place-items: center; font-size: 12px; font-weight: 700; margin-top: 3px;
}
.check-list li strong { display: block; color: var(--c-ink); font-size: 15px; margin-bottom: 2px; }
.check-list li p { font-size: 14px; color: var(--c-muted); }

/* ---------- 产品卡 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 28px; align-items: center; }
.chip {
  padding: 7px 16px; border-radius: 999px; border: 1px solid var(--c-line);
  background: #fff; color: var(--c-body); font-size: 13.8px; cursor: pointer;
  transition: all .18s; font-family: var(--font);
}
.chip:hover { border-color: var(--c-primary); color: var(--c-primary); }
.chip.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }

.search-box { position: relative; margin-left: auto; }
.search-box input {
  padding: 9px 15px 9px 38px; border: 1px solid var(--c-line); border-radius: 8px;
  font-size: 14px; font-family: var(--font); width: 240px; color: var(--c-ink);
  transition: all .2s; background: #fff;
}
.search-box input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(10,92,138,.10); width: 280px; }
.search-box svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--c-muted); }

.p-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.p-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  overflow: hidden; transition: all .22s; display: flex; flex-direction: column;
}
.p-card:hover { border-color: var(--c-primary); box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.p-thumb {
  height: 150px; background: linear-gradient(150deg, #F0F7FA 0%, #E2F0F5 100%);
  display: grid; place-items: center; position: relative; border-bottom: 1px solid var(--c-line-soft);
}
.p-thumb svg { width: 58px; height: 58px; color: var(--c-primary); opacity: .78; }
.p-cat {
  position: absolute; top: 10px; left: 10px;
  background: rgba(255,255,255,.92); color: var(--c-primary);
  font-size: 11.5px; font-weight: 600; padding: 3px 9px; border-radius: 5px;
  border: 1px solid var(--c-line);
}
.p-body { padding: 17px; flex: 1; display: flex; flex-direction: column; }
.p-body h3 { font-size: 15px; margin-bottom: 7px; line-height: 1.45; }
.p-body p { font-size: 13.3px; color: var(--c-muted); flex: 1; margin-bottom: 12px; }
.p-specs { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 13px; }
.p-specs span {
  font-size: 11.5px; padding: 2px 8px; border-radius: 4px;
  background: var(--bg-soft); color: var(--c-muted); border: 1px solid var(--c-line-soft);
  font-family: var(--mono);
}
.p-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 13px; border-top: 1px solid var(--c-line-soft); }
.p-code { font-family: var(--mono); font-size: 11.5px; color: var(--c-muted); }
.p-more { font-size: 13.3px; font-weight: 600; color: var(--c-primary); white-space: nowrap; }

.empty { text-align: center; padding: 70px 20px; color: var(--c-muted); }
.empty strong { display: block; color: var(--c-ink); font-size: 17px; margin-bottom: 6px; }

/* 同步状态条 */
.sync-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--c-accent-light); border: 1px solid #B9E8E3;
  border-radius: 8px; padding: 11px 16px; font-size: 13.3px; color: var(--c-accent-dark);
  margin-bottom: 24px;
}
.sync-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent); box-shadow: 0 0 0 3px rgba(0,169,157,.18); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

/* ---------- 表格 ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 620px; }
th { background: var(--bg-soft); text-align: left; padding: 13px 16px; color: var(--c-ink); font-weight: 600; border-bottom: 1px solid var(--c-line); white-space: nowrap; font-size: 13.5px; }
td { padding: 13px 16px; border-bottom: 1px solid var(--c-line-soft); color: var(--c-body); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #FAFCFD; }
code, .mono { font-family: var(--mono); font-size: 12.8px; }
td code { background: var(--bg-soft); padding: 2px 7px; border-radius: 4px; color: var(--c-accent-dark); border: 1px solid var(--c-line-soft); }
.method { display: inline-block; font-family: var(--mono); font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
.method.get { background: #E4F3EA; color: #12A150; }
.method.post { background: #E8F2F8; color: var(--c-primary); }
.method.put { background: #FFF3E0; color: var(--c-warn); }

/* ---------- 代码块 ---------- */
pre {
  background: #0A2231; color: #C9DCE6; padding: 18px 20px; border-radius: var(--radius);
  overflow-x: auto; font-family: var(--mono); font-size: 12.8px; line-height: 1.7;
  border: 1px solid #123347;
}
pre .k { color: #7FD1C7; } pre .s { color: #F0C674; } pre .c { color: #5E7C8C; font-style: italic; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 17px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--c-ink); margin-bottom: 6px; }
.field label .req { color: var(--c-danger); }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--c-line); border-radius: 8px;
  font-size: 14.2px; font-family: var(--font); color: var(--c-ink); background: #fff; transition: all .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(10,92,138,.10);
}
.field textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hint { font-size: 12.5px; color: var(--c-muted); margin-top: 5px; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, var(--c-primary-dark) 0%, var(--c-primary) 55%, var(--c-accent-dark) 100%);
  border-radius: var(--radius-lg); padding: 48px 52px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta h2 { color: #fff; margin-bottom: 8px; }
.cta p { color: #C2DBE7; margin: 0; }

/* ---------- 页脚 ---------- */
.footer { background: var(--bg-dark); color: #8FAEBE; padding: 60px 0 0; font-size: 13.8px; }
.footer h4 { color: #fff; font-size: 14.5px; margin-bottom: 16px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 44px; }
.footer a { color: #8FAEBE; }
.footer a:hover { color: #5FE3D6; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 9px; }
.footer .brand-mark { background: linear-gradient(135deg, var(--c-accent), #0A5C8A); }
.footer .brand-text strong { color: #fff; }
.footer .brand-text span { color: #6E90A3; }
.footer-desc { margin: 16px 0 0; line-height: 1.8; color: #7A9AAC; }
.footer-bottom {
  border-top: 1px solid #14374A; padding: 20px 0; display: flex;
  justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 13px; color: #6E90A3;
}
.footer-bottom .police { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 内页头 ---------- */
.page-head {
  background: linear-gradient(150deg, #06304A 0%, #0A5C8A 100%);
  color: #fff; padding: 54px 0 50px;
}
.page-head h1 { color: #fff; font-size: 2.1rem; margin-bottom: 10px; }
.page-head p { color: #B4D0DE; max-width: 660px; }
.crumb { font-size: 13px; color: #8FB4C6; margin-bottom: 14px; }
.crumb a { color: #A9C6D6; }

/* ---------- 时间线 ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--c-line); }
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -29px; top: 6px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; border: 3px solid var(--c-accent);
}
.tl-item b { display: block; color: var(--c-primary); font-family: var(--mono); font-size: 13px; margin-bottom: 3px; }
.tl-item strong { display: block; color: var(--c-ink); font-size: 15px; margin-bottom: 4px; }
.tl-item p { font-size: 14px; color: var(--c-muted); }

/* ---------- 徽章 ---------- */
.badges { display: flex; flex-wrap: wrap; gap: 10px; }
.badge {
  display: flex; align-items: center; gap: 9px; padding: 11px 17px;
  background: #fff; border: 1px solid var(--c-line); border-radius: 8px; font-size: 13.5px; color: var(--c-ink);
}
.badge svg { width: 17px; height: 17px; color: var(--c-accent); flex-shrink: 0; }

/* ---------- 详情页 ---------- */
.detail { display: grid; grid-template-columns: 1fr 340px; gap: 46px; align-items: start; }
.detail-visual {
  background: linear-gradient(150deg, #F0F7FA, #E1EFF6); border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); height: 320px; display: grid; place-items: center; margin-bottom: 30px;
}
.detail-visual svg { width: 110px; height: 110px; color: var(--c-primary); opacity: .7; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 0; }
.spec-table th { width: 130px; background: transparent; color: var(--c-muted); font-weight: 500; border-bottom: 1px solid var(--c-line-soft); padding: 11px 0; }
.spec-table td { border-bottom: 1px solid var(--c-line-soft); padding: 11px 0; color: var(--c-ink); }
.side-card { background: var(--bg-soft); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 24px; position: sticky; top: 92px; }
.side-card h3 { font-size: 1rem; margin-bottom: 16px; }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; }
.step { padding: 0 22px; position: relative; }
.step:first-child { padding-left: 0; }
.step:last-child { padding-right: 0; }
.step-num {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: var(--c-primary); color: #fff; font-weight: 700; font-size: 16px; margin-bottom: 16px;
}
.step h3 { font-size: 1.03rem; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--c-muted); }

/* ---------- 标签页 ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--c-line); margin-bottom: 26px; flex-wrap: wrap; }
.tab {
  padding: 11px 20px; background: none; border: 0; border-bottom: 2px solid transparent;
  font-family: var(--font); font-size: 14.5px; color: var(--c-muted); cursor: pointer; font-weight: 500;
  transition: all .2s; margin-bottom: -1px;
}
.tab:hover { color: var(--c-primary); }
.tab.active { color: var(--c-primary); border-bottom-color: var(--c-primary); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .3s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- 提示框 ---------- */
.alert { display: flex; gap: 12px; padding: 15px 18px; border-radius: 8px; font-size: 14px; margin-bottom: 20px; border: 1px solid; }
.alert svg { flex-shrink: 0; width: 19px; height: 19px; margin-top: 2px; }
.alert-info { background: var(--c-primary-light); border-color: #C3DCEB; color: var(--c-primary-dark); }
.alert-warn { background: #FFF8EC; border-color: #F3DFB8; color: #8A5E10; }
.alert-ok { background: #E9F8EF; border-color: #BCE7CD; color: #0E7A3C; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .p-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .detail { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  .nav-menu {
    position: absolute; top: 70px; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; padding: 12px 16px 18px; gap: 2px;
    border-bottom: 1px solid var(--c-line); box-shadow: var(--shadow-lg); display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-user { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .p-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--c-line-soft); }
  .steps { grid-template-columns: 1fr; gap: 30px; }
  .step { padding: 0; }
  .cta { padding: 34px 26px; }
  .search-box { margin-left: 0; width: 100%; }
  .search-box input, .search-box input:focus { width: 100%; }
}
@media (max-width: 560px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  .hero { padding: 62px 0 58px; }
  .hero h1 { font-size: 1.8rem; }
  .section { padding: 52px 0; }
  .p-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .topbar-links { display: none; }
}
@media print { .nav, .topbar, .footer, .hero-actions { display: none; } }