/* WORK · 从构想到交付 —— V8 视觉体系（作用域：.wk-*） */

:root {
  --wk-ink: #0B1A2E;
  --wk-accent: #245FFF;
  --wk-line: #E7EBF3;
  --wk-muted: #6F7B8C;
  --wk-soft: #9AA8BA;
  --wk-header: 88px;
  --wk-wrap: 1220px;
}
@media (max-width: 1099px) { :root { --wk-header: 72px; } }
@media (max-width: 767px)  { :root { --wk-header: 64px; } }

* { box-sizing: border-box; }

body.wk-page {
  margin: 0;
  background: #fff;
  color: var(--wk-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.wk-wrap {
  width: min(100% - 2 * clamp(20px, 4vw, 56px), var(--wk-wrap));
  margin-inline: auto;
}

.wk-main { padding-top: var(--wk-header); }

/* ---------- 头部（与 V8 一致） ---------- */
.wk-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--wk-header);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(8px);
}
.wk-header-inner {
  max-width: 1440px; height: 100%; margin: 0 auto;
  padding: 0 clamp(20px, 3.4vw, 52px);
  display: flex; align-items: center; gap: 32px;
}
.wk-brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--wk-ink);
  font-size: 19px; font-weight: 700; letter-spacing: .04em;
}
.wk-brand img { display: block; width: 34px; height: 34px; }
.wk-nav {
  margin-left: auto;
  display: flex; align-items: center; gap: clamp(18px, 2.4vw, 40px);
}
.wk-nav a {
  text-decoration: none; color: #374151;
  font-size: 15.5px; letter-spacing: .02em; white-space: nowrap;
  transition: color .2s ease;
}
.wk-nav a:hover { color: var(--wk-accent); }
.wk-cta {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 22px; margin-left: 8px;
  border-radius: 999px; background: var(--wk-accent); color: #fff;
  font-size: 15px; font-weight: 600; text-decoration: none; white-space: nowrap;
  box-shadow: 0 8px 20px rgba(36, 95, 255, .22);
  transition: background .2s ease, transform .2s ease;
}
.wk-cta:hover { background: #1B4FE0; transform: translateY(-1px); }
.wk-menu { display: none; }

@media (max-width: 1099px) {
  .wk-nav { display: none; }
  .wk-nav.is-open {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; left: 0; right: 0; top: var(--wk-header);
    background: #fff; border-bottom: 1px solid var(--wk-line);
    box-shadow: 0 14px 30px rgba(16, 32, 58, .08);
    padding: 6px clamp(20px, 4vw, 40px) 14px;
    gap: 0; z-index: 60;
  }
  .wk-nav.is-open a { padding: 13px 2px; font-size: 15px; border-bottom: 1px solid #f1f4f8; }
  .wk-nav.is-open a:last-child { border-bottom: 0; }
  .wk-menu {
    display: inline-block; margin-left: auto; width: 40px; height: 40px; padding: 0;
    border: 0; border-radius: 8px; background: transparent; cursor: pointer;
    color: var(--wk-ink); line-height: 0;
  }
  .wk-menu svg { display: inline-block; width: 18px; height: 14px; vertical-align: middle; }
  .wk-cta { margin-left: 0; }
}
@media (max-width: 767px) {
  .wk-brand { font-size: 17px; gap: 8px; }
  .wk-brand img { width: 28px; height: 28px; }
  .wk-cta { height: 40px; padding: 0 16px; font-size: 14px; }
}
@media (max-width: 380px) {
  .wk-header-inner { gap: 10px; padding: 0 14px; }
  .wk-brand { font-size: 15px; gap: 6px; }
  .wk-brand img { width: 24px; height: 24px; }
  .wk-cta { height: 36px; padding: 0 12px; font-size: 13px; }
  .wk-menu { width: 44px; height: 44px; }
}

/* ---------- Hero ---------- */
.wk-hero { padding: clamp(52px, 6.4vw, 96px) 0 0; }
.wk-eyebrow {
  margin: 0; font-size: 11px; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; color: var(--wk-accent);
}
.wk-h1 {
  margin: 16px 0 14px;
  font-size: clamp(42px, 6.2vw, 76px);
  line-height: 1.03; letter-spacing: -.06em; font-weight: 600;
  text-wrap: balance;
}
.wk-lead {
  margin: 0; max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17.5px); line-height: 1.75; color: var(--wk-muted);
  text-wrap: balance;
}
.wk-hero-meta {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: clamp(30px, 3.6vw, 52px); padding-top: 16px;
  border-top: 1px solid var(--wk-line);
  font-size: 11px; letter-spacing: .16em; color: var(--wk-soft);
  text-transform: uppercase;
}

/* ---------- 分组 ---------- */
.wk-section { padding: clamp(58px, 7.4vw, 100px) 0 0; }
.wk-section-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 20px;
  padding-bottom: 14px; border-bottom: 1px solid var(--wk-line);
}
.wk-section-head h2 {
  margin: 0; font-size: 19px; font-weight: 600; letter-spacing: -.01em;
}
.wk-section-head h2 span { color: var(--wk-soft); margin-right: 8px; font-weight: 500; }
.wk-section-en { font-size: 11px; letter-spacing: .18em; color: var(--wk-soft); text-transform: uppercase; }
.wk-section-lead {
  margin: 18px 0 0; max-width: 62ch;
  font-size: 14.5px; line-height: 1.8; color: var(--wk-muted);
}

/* ---------- 重点（GEO） ---------- */
.wk-feature { padding: clamp(30px, 3.6vw, 42px) 0 clamp(52px, 6vw, 84px); border-bottom: 1px solid var(--wk-line); }
.wk-feature-media { display: block; overflow: hidden; aspect-ratio: 2.05 / 1; }
.wk-feature-media img {
  display: block; width: 100%; height: 100%; object-fit: cover; object-position: center;
  transition: transform .6s cubic-bezier(.16,1,.3,1);
}
.wk-feature-media:hover img { transform: scale(1.012); }
.wk-feature-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 24px;
  margin-top: clamp(24px, 3vw, 36px);
}
.wk-no { margin: 0; font-size: 11px; letter-spacing: .18em; color: var(--wk-soft); text-transform: uppercase; }
.wk-name { margin: 10px 0 8px; font-size: clamp(28px, 3.2vw, 42px); line-height: 1.14; letter-spacing: -.035em; font-weight: 600; }
.wk-type { margin: 0; font-size: 13px; letter-spacing: .04em; color: var(--wk-muted); }
.wk-arrow {
  flex: 0 0 auto; color: var(--wk-accent); font-size: 20px; text-decoration: none;
  line-height: 1; padding-top: 4px;
}
.wk-feature-body {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(24px, 4vw, 64px); margin-top: clamp(20px, 2.6vw, 32px);
}
.wk-summary { margin: 0; font-size: 15.5px; line-height: 1.85; color: var(--wk-muted); }
.wk-points { list-style: none; margin: 0; padding: 0; }
.wk-points li {
  padding: 10px 0; border-top: 1px solid var(--wk-line);
  font-size: 13.5px; line-height: 1.6;
}
.wk-points li:first-child { border-top: 0; padding-top: 0; }
.wk-note { margin: 18px 0 0; font-size: 12px; line-height: 1.75; color: var(--wk-soft); }
.wk-link {
  display: inline-block; margin-top: 14px; font-size: 14px;
  color: var(--wk-accent); text-decoration: none;
}
.wk-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 分栏（搭遇 / JINKA / 妈妈帮） ---------- */
.wk-split {
  display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  gap: clamp(28px, 5vw, 80px); align-items: start;
  padding: clamp(40px, 5vw, 64px) 0; border-bottom: 1px solid var(--wk-line);
}
.wk-split--media-right .wk-split-media { order: 2; }
.wk-split-text { max-width: 46ch; }
.wk-split-media { display: flex; gap: clamp(12px, 2vw, 22px); align-items: flex-start; justify-content: flex-end; }
.wk-split-media img { display: block; width: 100%; height: auto; }
.wk-shot { border: 1px solid var(--wk-line); }
.wk-phones { display: flex; gap: clamp(14px, 2.4vw, 28px); justify-content: flex-end; }
.wk-phones figure { margin: 0; flex: 1 1 0; max-width: 300px; }
.wk-phones img { width: 100%; height: auto; display: block; border: 1px solid var(--wk-line); }
.wk-phones figcaption {
  margin-top: 10px; font-size: 11px; letter-spacing: .12em;
  color: var(--wk-soft); text-transform: uppercase;
}
.wk-split .wk-name { font-size: clamp(26px, 2.8vw, 36px); }
.wk-split .wk-summary { margin-top: 16px; }
.wk-split .wk-points { margin-top: 20px; }

/* ---------- 结尾 CTA ---------- */
.wk-end {
  padding: clamp(72px, 9vw, 128px) 0 clamp(56px, 7vw, 96px);
  border-top: 1px solid var(--wk-line); margin-top: clamp(72px, 9vw, 128px);
}
.wk-end h2 { margin: 0 0 10px; font-size: clamp(24px, 3vw, 36px); letter-spacing: -.03em; font-weight: 600; }
.wk-end p { margin: 0 0 24px; font-size: 15px; color: var(--wk-muted); }
.wk-btn {
  display: inline-flex; align-items: center; height: 44px; padding: 0 22px;
  border-radius: 999px; background: var(--wk-accent); color: #fff;
  text-decoration: none; font-size: 14px; font-weight: 600;
}
.wk-btn:hover { background: #1B4FE0; }

/* ---------- 页脚 ---------- */
.wk-footer { border-top: 1px solid var(--wk-line); }
.wk-footer-inner {
  width: min(100% - 2 * clamp(20px, 4vw, 56px), var(--wk-wrap));
  margin: 0 auto; padding: 26px 0;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  font-size: 11px; color: #8a96a5;
}
.wk-footer-brand { color: var(--wk-ink); font-size: 13px; font-weight: 650; }
.wk-footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.wk-footer-links a { color: #7a8696; text-decoration: none; }
.wk-footer-links a:hover { color: var(--wk-accent); }
.wk-footer-mail {
  margin-left: auto; color: #2056d7; font-size: 12px; text-decoration: none;
  border-bottom: 1px solid rgba(32, 86, 215, .25);
}
.wk-footer-ver { font-size: 9px; letter-spacing: .06em; color: #9daabb; }

/* ---------- 响应式 ---------- */
@media (max-width: 1099px) {
  .wk-feature-body { grid-template-columns: 1fr; gap: 22px; }
  .wk-split { grid-template-columns: 1fr; gap: 26px; }
  .wk-split--media-right .wk-split-media { order: 0; }
  .wk-split-media { justify-content: flex-start; }
  .wk-split-text { max-width: 58ch; }
}
@media (max-width: 767px) {
  .wk-feature-media { aspect-ratio: 4 / 3; }
  .wk-hero-meta { letter-spacing: .12em; }
  .wk-phones figure { max-width: none; }
  .wk-footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .wk-footer-mail { margin-left: 0; }
}
@media (max-width: 380px) {
  .wk-h1 { font-size: 38px; }
  .wk-phones { gap: 10px; }
  .wk-section-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .wk-section-en { font-size: 10px; }
}