/* ==========================================================================
 * style.css — 全站唯一样式表（无框架、无预处理器、无外部字体请求）
 * 视觉方向：现代科技代理商风 —— 浅底 + 强调蓝 + 圆角卡片 + 大数字统计
 *          （完整设计令牌见 docs/项目移交文档.md 第 6 节）
 * 结构：00 令牌 01 重置 02 布局 03 顶栏 04 页脚 05 排版
 *      06 组件 07 图位 08 表单 09 动效 10 响应式
 * ========================================================================== */

/* ===================== 00 设计令牌 ===================== */
:root {
  --ink: #12141a;          /* 主标题 */
  --ink-2: #363b45;        /* 正文 */
  --muted: #6b7280;        /* 说明文字 */
  --line: #e6e8ec;         /* 分隔线/描边 */

  --brand: #2f6bff;        /* 主强调：按钮、链接、数字 */
  --brand-dark: #1f4fd6;   /* 悬停 */
  --brand-soft: #eaf0ff;   /* 浅蓝底 */
  --brand-line: #cdddff;

  --surface: #ffffff;
  --surface-alt: #f6f8fb;  /* 交替区块底 */
  --dark: #0e1524;         /* 深色区块 / 页脚 */
  --dark-2: #16203a;

  --container: 1200px;
  --radius: 14px;
  --radius-sm: 10px;
  --header-h: 76px;

  --shadow-sm: 0 1px 2px rgba(18, 20, 26, .05);
  --shadow: 0 10px 30px rgba(18, 20, 26, .08);
  --shadow-lg: 0 24px 60px rgba(18, 20, 26, .14);

  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial,
          "PingFang SC", "Noto Sans", sans-serif;
}

/* ===================== 01 基础重置 ===================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.7;
  color: var(--ink-2); background: var(--surface); -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }

/* ===================== 02 布局 ===================== */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 22px; }
.container--narrow { max-width: 820px; }
.section { padding-block: 84px; }
.section--tight { padding-block: 56px; }
.section--alt { background: var(--surface-alt); }
.section--dark { background: var(--dark); color: rgba(255,255,255,.78); }
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

/* ===================== 03 顶栏 ===================== */
.site-header {
  position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(150%) blur(10px); border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 9px; flex: 0 0 auto; }
.logo-mark { width: 32px; height: 32px; flex: 0 0 auto; }
.logo-img { height: 34px; width: auto; }
.logo-text { font-size: 19px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.site-footer .logo-text { color: #fff; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 2px; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 13px; font-size: 14.5px; font-weight: 500; color: var(--ink-2);
  border-radius: var(--radius-sm); transition: color .16s, background .16s; white-space: nowrap;
}
.nav-link:hover { color: var(--brand); background: var(--brand-soft); }
.nav-link.is-active { color: var(--brand); }
.nav-caret { width: 11px; height: 11px; transition: transform .2s; }

.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-6px);
  min-width: 260px; padding: 8px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transition: opacity .16s, transform .16s, visibility .16s;
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu, .dropdown.is-open .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dropdown:hover .nav-caret, .dropdown.is-open .nav-caret { transform: rotate(180deg); }
.dropdown-menu a { display: block; padding: 9px 12px; font-size: 14px; color: var(--ink-2); border-radius: var(--radius-sm); transition: background .15s, color .15s; }
.dropdown-menu a:hover { background: var(--brand-soft); color: var(--brand); }

.nav-cta { margin-left: 8px; }
.menu-toggle { display: none; margin-left: auto; padding: 10px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
.menu-toggle span + span { margin-top: 6px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===================== 04 页脚 ===================== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.62); padding-block: 60px 26px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-blurb { margin-top: 16px; font-size: 14px; line-height: 1.75; max-width: 320px; }
.footer-phone { margin-top: 16px; font-size: 14px; }
.footer-phone a { color: #fff; font-weight: 600; }
.footer-col h4 { font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: #fff; margin-bottom: 15px; }
.footer-col li + li { margin-top: 10px; }
.footer-col a { font-size: 14px; transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.footer-social a { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.2); border-radius: 9px; transition: background .16s, border-color .16s, color .16s; }
.footer-social a:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.footer-social svg { width: 16px; height: 16px; }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13px; }
.footer-bottom a:hover { color: #fff; }

/* ===================== 05 排版 ===================== */
.h1 { font-size: clamp(38px, 6vw, 68px); font-weight: 800; line-height: 1.06; letter-spacing: -.03em; color: var(--ink); }
.h2 { font-size: clamp(28px, 3.6vw, 44px); font-weight: 800; line-height: 1.15; letter-spacing: -.025em; color: var(--ink); }
.h3 { font-size: 22px; font-weight: 700; line-height: 1.3; color: var(--ink); }
.h4 { font-size: 17px; font-weight: 700; color: var(--ink); }
.eyebrow { display: block; font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); margin-bottom: 14px; }
.lead { font-size: 18px; line-height: 1.7; color: var(--muted); }
.body { font-size: 16px; line-height: 1.8; color: var(--ink-2); }
.body + .body { margin-top: 15px; }
.small { font-size: 13.5px; color: var(--muted); }
.section-head { max-width: 760px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head .lead { margin-top: 16px; }

/* ===================== 06 组件 ===================== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 26px; font-size: 15px; font-weight: 600; border-radius: 999px; transition: background .18s, color .18s, border-color .18s, transform .18s, box-shadow .18s; white-space: nowrap; }
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(47,107,255,.26); }
.btn--primary:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn--ghost { border: 1.5px solid var(--line); color: var(--ink); background: #fff; }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--brand-soft); color: var(--brand); }
.btn--onDark { border: 1.5px solid rgba(255,255,255,.4); color: #fff; }
.btn--onDark:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.btn-row--center { justify-content: center; }

.link-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14.5px; font-weight: 600; color: var(--brand); transition: gap .18s; }
.link-more:hover { gap: 11px; }

/* Hero */
.hero { position: relative; overflow: hidden; padding-block: 92px 76px;
  background: radial-gradient(ellipse at 78% 8%, var(--brand-soft) 0, transparent 46%), var(--surface); }
.hero .h1 span.accent { color: var(--brand); }
.hero .lead { margin-top: 22px; max-width: 620px; }
.hero-sub { font-size: clamp(22px, 3vw, 34px); font-weight: 700; color: var(--ink); margin-top: 6px; }

/* 合作方 logo 墙（文字占位，不复制第三方商标） */
.logos { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 34px; }
.logo-chip { padding: 12px 20px; border: 1px solid var(--line); border-radius: 999px; font-size: 13.5px; font-weight: 600; color: var(--muted); background: #fff; }

/* 卡片 */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow-sm); transition: transform .22s, box-shadow .22s, border-color .22s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-line); }
.card .h3 { margin-top: 6px; }
.card .body { margin-top: 10px; }
.card .link-more { margin-top: auto; padding-top: 14px; }
.card-ic { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 13px; background: var(--brand-soft); color: var(--brand); margin-bottom: 6px; }
.card-ic svg { width: 26px; height: 26px; }

/* 统计大数字 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat b { display: block; font-size: clamp(40px, 5vw, 60px); font-weight: 800; letter-spacing: -.03em; color: var(--brand); line-height: 1; }
.stat span { display: block; margin-top: 10px; font-size: 14px; font-weight: 600; color: var(--ink); }
.stat p { margin-top: 4px; font-size: 13px; color: var(--muted); }

/* 定价卡 */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; display: flex; flex-direction: column; }
.plan--featured { border-color: var(--brand); box-shadow: var(--shadow); position: relative; }
.plan--featured::before { content: "Most popular"; position: absolute; top: -12px; left: 26px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.plan h3 { font-size: 20px; }
.plan .desc { margin-top: 10px; font-size: 14.5px; color: var(--muted); min-height: 66px; }
.plan .price { margin-top: 16px; font-size: 34px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.plan .price small { display: block; font-size: 12.5px; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.plan ul { margin-top: 18px; display: grid; gap: 11px; }
.plan li { position: relative; padding-left: 26px; font-size: 14px; color: var(--ink-2); }
.plan li::before { content: ""; position: absolute; left: 3px; top: 8px; width: 8px; height: 5px; border-left: 2px solid var(--brand); border-bottom: 2px solid var(--brand); transform: rotate(-45deg); }
.plan .btn { margin-top: 22px; }

/* 团队网格 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.member { text-align: center; }
.member .ph { border-radius: var(--radius); margin-bottom: 14px; }
.member .name { font-size: 16px; font-weight: 700; color: var(--ink); }
.member .role { font-size: 13px; color: var(--muted); margin-top: 2px; }
.member .quote { margin-top: 8px; font-size: 12.5px; font-style: italic; color: var(--muted); line-height: 1.55; }

/* 评价轮播 */
.carousel { position: relative; max-width: 860px; margin: 40px auto 0; text-align: center; }
.slides { position: relative; min-height: 260px; }
.slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .5s ease; }
.slide.is-current { position: relative; opacity: 1; visibility: visible; }
.slide blockquote { font-size: clamp(20px, 2.6vw, 27px); font-weight: 600; line-height: 1.4; color: var(--ink); letter-spacing: -.01em; }
.slide cite { display: block; margin-top: 22px; font-style: normal; font-weight: 700; color: var(--ink); }
.slide .org { display: block; margin-top: 3px; font-size: 13px; color: var(--muted); }
.carousel-nav { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 30px; }
.c-btn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--ink-2); transition: background .16s, color .16s, border-color .16s; }
.c-btn:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.c-btn svg { width: 16px; height: 16px; }
.dots { display: flex; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line); transition: background .16s, transform .16s; }
.dot.is-on { background: var(--brand); transform: scale(1.35); }

/* 工作/案例卡 */
.work-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .22s, box-shadow .22s; }
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.work-card .ph { border-radius: 0; }
.work-card .wc-body { padding: 24px 24px 26px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag { font-size: 12px; font-weight: 600; padding: 4px 11px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); }

/* FAQ 手风琴 */
.faq { max-width: 820px; margin-inline: auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; align-items: center; gap: 16px; padding: 22px 4px; cursor: pointer; list-style: none; font-size: 17px; font-weight: 600; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .q-plus { margin-left: auto; flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--brand); font-size: 16px; transition: transform .2s, background .2s; }
.faq details[open] summary .q-plus { transform: rotate(45deg); background: var(--brand-soft); }
.faq .a { padding: 0 4px 24px; font-size: 15px; line-height: 1.8; color: var(--ink-2); }

/* 深色 CTA */
.cta { background: var(--dark); color: #fff; text-align: center; padding-block: 96px; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; width: 520px; height: 520px; right: -140px; top: -220px; border-radius: 50%; background: radial-gradient(circle, rgba(47,107,255,.4), transparent 66%); }
.cta > * { position: relative; z-index: 1; }
.cta .h2 { color: #fff; }
.cta .lead { color: rgba(255,255,255,.76); margin: 16px auto 0; max-width: 620px; }
.cta .eyebrow { color: #7fa4ff; }

/* 联系信息行 */
.contact-line + .contact-line { margin-top: 22px; }
.contact-line .eyebrow { margin-bottom: 6px; }
.contact-line a, .contact-line p { font-size: 19px; font-weight: 600; color: var(--ink); }
.contact-line a:hover { color: var(--brand); }

/* 案例正文 */
.article { max-width: 820px; margin-inline: auto; }
.article .meta { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 13.5px; color: var(--muted); margin-top: 14px; }
.article h2 { font-size: 26px; margin-top: 40px; }
.article h3 { font-size: 20px; margin-top: 28px; }
.article p { margin-top: 14px; font-size: 16px; line-height: 1.85; color: var(--ink-2); }
.article ul.bullets { margin-top: 14px; display: grid; gap: 10px; }
.article ul.bullets li { position: relative; padding-left: 26px; font-size: 15.5px; line-height: 1.7; color: var(--ink-2); }
.article ul.bullets li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 8px; height: 5px; border-left: 2px solid var(--brand); border-bottom: 2px solid var(--brand); transform: rotate(-45deg); }
.article blockquote { margin-top: 24px; padding: 20px 24px; border-left: 3px solid var(--brand); background: var(--brand-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 17px; font-style: italic; color: var(--ink); }
.article .ph { margin-top: 24px; }
.stat-badge { display: inline-flex; flex-direction: column; align-items: flex-start; padding: 18px 22px; border: 1px solid var(--line); border-radius: var(--radius); }
.stat-badge b { font-size: 34px; font-weight: 800; color: var(--brand); letter-spacing: -.02em; }
.stat-badge span { font-size: 13px; color: var(--muted); margin-top: 2px; }
.stat-strip { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; }

/* 编辑提示条：交付前删 */
.editor-note { margin-top: 22px; padding: 14px 18px; border-left: 3px solid #f0a020; background: #fff8ec; font-size: 13px; line-height: 1.7; color: #7a5a1e; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

/* ===================== 07 图位系统 ===================== */
.ph { position: relative; display: grid; place-items: center; gap: 8px; background: var(--surface-alt); border: 1px solid var(--line); color: var(--muted); text-align: center; padding: 20px; overflow: hidden; }
img.ph { display: block; padding: 0; border: 0; width: 100%; height: auto; object-fit: cover; }
.ph::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(45deg, transparent 0 13px, rgba(47,107,255,.05) 13px 26px); }
img.ph::before { content: none; }
.ph > * { position: relative; }
.ph-id { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink); }
.ph-meta { font-size: 11px; color: var(--muted); }
.ph svg { width: 26px; height: 26px; color: var(--brand-line); }
.ph--16x9 { aspect-ratio: 16 / 9; }
.ph--4x3 { aspect-ratio: 4 / 3; }
.ph--1x1 { aspect-ratio: 1 / 1; }
.ph--3x2 { aspect-ratio: 3 / 2; }
.ph--avatar { aspect-ratio: 1/1; border-radius: 50%; width: 110px; margin-inline: auto; }
img.ph--avatar { width: 110px; height: 110px; border-radius: 50%; }

/* ===================== 08 表单 ===================== */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-top: 16px; }
.field:first-child { margin-top: 0; }
.field label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 600; color: var(--ink); }
.field label .req { color: var(--brand); }
.field input, .field select, .field textarea { width: 100%; padding: 12px 14px; font: inherit; font-size: 15px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); transition: border-color .16s, box-shadow .16s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.field textarea { min-height: 130px; resize: vertical; }
.field--trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { margin-top: 14px; font-size: 14px; }
.form-note.is-ok { color: #1c7c4a; }
.form-note.is-err { color: #c0392b; }
.form-card .btn { margin-top: 20px; width: 100%; }
.steps-mini { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 18px; }
.steps-mini li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-2); }
.steps-mini b { width: 24px; height: 24px; flex: 0 0 auto; border-radius: 50%; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; font-size: 12px; font-weight: 700; }

/* 订阅 */
.subscribe { display: flex; gap: 12px; max-width: 460px; margin-top: 18px; }
.subscribe input { flex: 1; padding: 12px 14px; font: inherit; font-size: 15px; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.06); color: #fff; border-radius: var(--radius-sm); }
.subscribe input::placeholder { color: rgba(255,255,255,.5); }
.subscribe input:focus { outline: none; border-color: #fff; }

/* ===================== 09 动效 ===================== */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .07s; } .reveal.d2 { transition-delay: .14s; } .reveal.d3 { transition-delay: .21s; }
html:not(.is-ready) .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .slide { transition: none !important; }
  * { animation: none !important; }
}

/* ===================== 10 响应式 ===================== */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .grid-4, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .pricing { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .section { padding-block: 60px; }
  .hero { padding-block: 64px 56px; }
  .split, .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 34px; }
  .form-row { grid-template-columns: 1fr; }
  .menu-toggle { display: block; }
  .nav { position: fixed; inset: var(--header-h) 0 0; margin: 0; padding: 18px 22px 40px; display: none; flex-direction: column; align-items: stretch; gap: 2px; background: #fff; overflow-y: auto; border-top: 1px solid var(--line); }
  .nav.is-open { display: flex; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { padding: 14px; font-size: 16px; }
  .nav-cta { margin: 12px 0 0; }
  .dropdown-menu { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; border-left: 2px solid var(--line); border-radius: 0; margin: 2px 0 6px 14px; padding: 0 0 0 8px; min-width: 0; display: none; }
  .dropdown.is-open .dropdown-menu { display: block; }
  .slides { min-height: 320px; }
}
@media (max-width: 560px) {
  .container { padding-inline: 18px; }
  .section { padding-block: 48px; }
  .grid-4, .team-grid, .stats { grid-template-columns: 1fr; }
  .card, .form-card { padding: 24px 20px; }
  .btn-row .btn { flex: 1 1 auto; }
  .slides { min-height: 400px; }
}

@media print {
  .site-header, .nav, .menu-toggle, .carousel-nav, .form-card, .subscribe, .cta { display: none !important; }
  body { color: #000; } .section--dark, .site-footer { background: #fff; color: #000; }
}