/* 版式参照 jobsitesys 产品站：顶栏、分区、mega 菜单、分栏与交付步骤。
   色彩用 kfbLims 界面：深墨、琥珀橙、信蓝、暖灰。 */
:root {
  --bg: #f5f4f2;
  --bg-soft: #efece8;
  --text: #1b1917;
  --muted: #6b6560;
  --line: #e5e1db;
  --card: #ffffff;
  --primary: #e8913a;
  --primary-dark: #c97422;
  --blue: #3d6f9a;
  --ink: #1b1917;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(27, 25, 23, 0.08);
  --max: 1120px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 244, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 8px 24px rgba(0,0,0,.04); }
.nav { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.logo { font-weight: 800; font-size: 1.25rem; color: var(--primary-dark); letter-spacing: -0.03em; }
.home-site {
  color: var(--muted); font-size: 0.82rem; font-weight: 600; white-space: nowrap;
  padding-left: 14px; border-left: 1px solid var(--line);
}
.home-site:hover { color: var(--primary-dark); }
.nav-links { display: flex; gap: 22px; list-style: none; color: var(--muted); font-size: 0.95rem; font-weight: 600; align-items: center; }
.nav-links > li { position: relative; }
.nav-links a:hover { color: var(--text); }
.nav-item.has-menu > .nav-trigger {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: 0; color: var(--muted); font: inherit; font-weight: 600; cursor: pointer;
}
.nav-chevron {
  width: 0; height: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid currentColor; opacity: .55;
}
.nav-dropdown {
  position: absolute; top: calc(100% + 14px); left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: min(760px, calc(100vw - 32px));
  padding: 22px 8px; background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 20px 50px rgba(27,25,23,.1);
  opacity: 0; visibility: hidden; pointer-events: none;
  display: grid; grid-template-columns: repeat(3, 1fr); z-index: 60;
}
.nav-dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -16px; height: 16px; }
.nav-item.has-menu:hover > .nav-dropdown,
.nav-item.has-menu:focus-within > .nav-dropdown {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0);
}
.mega-col { padding: 4px 18px; border-right: 1px solid var(--line); }
.mega-col:last-child { border-right: 0; }
.mega-col-label { display: block; font-size: 0.75rem; letter-spacing: .06em; color: #8a837c; margin-bottom: 10px; font-weight: 700; }
.mega-link { display: block; padding: 8px; border-radius: 10px; }
.mega-link:hover { background: #fff6eb; }
.mega-title { display: block; font-weight: 700; margin-bottom: 4px; }
.mega-desc { display: block; font-size: 0.82rem; color: var(--muted); font-weight: 400; line-height: 1.5; }
.menu-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 8px; height: 36px; padding: 0 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 20px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-outline { background: #fff; color: var(--primary-dark); border-color: rgba(232,145,58,.45); }
.hero { position: relative; padding: 72px 0 40px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 36px; align-items: start; }
.eyebrow { color: var(--primary-dark); font-weight: 700; font-size: 0.92rem; margin-bottom: 12px; }
h1 { font-size: 2.5rem; line-height: 1.2; letter-spacing: -0.03em; }
.lead { margin-top: 16px; color: var(--muted); font-size: 1.05rem; }
.hero-actions { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.hero-points { display: grid; gap: 8px; margin-top: 18px; }
.hero-points button {
  display: block; width: 100%; text-align: left; cursor: pointer;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 8px 12px; font: inherit; color: inherit;
}
.hero-points button.is-active { border-color: var(--primary); background: #fff6eb; }
.hero-points strong { display: block; font-size: 0.92rem; }
.hero-points span { display: block; color: var(--muted); font-size: 0.82rem; line-height: 1.45; }
.hero-stage { min-width: 0; }
.hero-frame {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-bottom: 0;
  border-radius: 16px 16px 0 0;
}
.hero-slide {
  position: absolute; inset: 0; margin: 0; opacity: 0;
  transition: opacity .45s ease; pointer-events: none;
}
.hero-slide.is-active { opacity: 1; pointer-events: auto; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.hero-bar {
  display: grid; grid-template-columns: 36px 1fr 36px; gap: 8px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 0 0 16px 16px;
  padding: 10px 12px 12px; box-shadow: var(--shadow);
}
.hero-caption { color: var(--muted); font-size: 0.85rem; min-height: 2.7em; }
.hero-navbtn {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line);
  background: #fff; cursor: pointer; font-size: 1.3rem; line-height: 1; color: var(--text);
}
.hero-navbtn:hover { border-color: var(--primary); color: var(--primary-dark); }
@media (prefers-reduced-motion: reduce) {
  .hero-slide { transition: none; }
}
.shot {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow); overflow: hidden;
}
.shot img { width: 100%; height: auto; }
.shot figcaption { padding: 10px 14px 14px; color: var(--muted); font-size: 0.85rem; }
section { padding: 72px 0; }
section.alt { background: var(--bg-soft); }
.section-head { max-width: 680px; margin-bottom: 28px; }
.tag { color: var(--primary-dark); font-weight: 700; font-size: 0.85rem; margin-bottom: 8px; }
h2 { font-size: 2rem; letter-spacing: -0.03em; line-height: 1.25; }
.section-head p { margin-top: 10px; color: var(--muted); }
.cards-3, .cap-grid, .price-grid, .func-grid { display: grid; gap: 16px; }
.func-grid { grid-template-columns: repeat(2, 1fr); }
.func-card ul { margin: 8px 0 0 18px; color: var(--muted); }
.func-card li { margin: 4px 0; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cap-grid { grid-template-columns: repeat(3, 1fr); }
.price-grid { grid-template-columns: repeat(3, 1fr); }
.card, .cap-card, .price-card, .step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
}
.card h3, .cap-card h3, .price-card h3, .step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.card p, .cap-card p, .price-card li, .step p { color: var(--muted); font-size: 0.95rem; }
.price-card ul { margin: 12px 0 0 18px; }
.price { font-size: 1.8rem; font-weight: 800; color: var(--primary-dark); margin: 8px 0; }
.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 36px; align-items: center; }
.split.reverse { grid-template-columns: 1.15fr 1fr; }
.split.reverse .copy { order: 2; }
.pill { display: inline-block; background: #fff6eb; color: var(--primary-dark); border-radius: 999px; padding: 4px 10px; font-size: 0.82rem; font-weight: 700; }
.split h3 { font-size: 1.7rem; margin: 12px 0; letter-spacing: -0.02em; }
.feature-list { list-style: none; display: grid; gap: 14px; }
.feature-list li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; }
.ico {
  width: 28px; height: 28px; border-radius: 8px; background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700;
}
.feature-list strong { display: block; }
.feature-list span { color: var(--muted); font-size: 0.92rem; }
.text-link { display: inline-block; margin-top: 16px; color: var(--blue); font-weight: 700; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.step .num { color: var(--primary); font-weight: 800; margin-bottom: 8px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); background: #fff; border-radius: 10px;
  padding: 10px 12px; color: var(--text);
}
textarea { min-height: 96px; resize: vertical; }
.form-success { margin-top: 12px; color: #3d8b6e; font-weight: 700; }
footer { padding: 28px 0 40px; color: var(--muted); border-top: 1px solid var(--line); }
.footer-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 16px; }
.back-top {
  position: fixed; right: 18px; bottom: 18px; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff; cursor: pointer; display: none; z-index: 41;
}
.back-top.show { display: block; }
.advice {
  position: fixed; right: 0; bottom: 180px; z-index: 40;
}
.advice-menu {
  display: block; width: 32px; padding: 10px 0; border: 0; cursor: pointer;
  background: var(--primary); color: #fff; text-align: center;
  box-shadow: 0 6px 12px rgba(27, 25, 23, 0.15); font: inherit; font-size: 15px; line-height: 1.15;
}
.advice-menu:hover { background: var(--primary-dark); }
.advice-ear { width: 18px; height: 18px; margin-bottom: 6px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.advice-menu i { display: block; margin: 2px 0; font-style: normal; }
.advice-items {
  position: absolute; right: 42px; bottom: 0; width: max-content; max-width: calc(100vw - 56px);
  padding: 16px 20px 20px; background: #fff; border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(27, 25, 23, 0.12);
}
.advice-items[hidden] { display: none; }
.advice-hd { text-align: right; margin: -6px -6px 8px 0; }
.advice-close {
  width: 24px; height: 24px; border: 0; background: transparent; color: var(--muted);
  font-size: 20px; line-height: 1; cursor: pointer;
}
.advice-close:hover { color: var(--text); }
.advice-items ul { list-style: none; margin: 0; padding: 0; }
.advice-items li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 22px; }
.advice-items li:last-child { margin-bottom: 0; }
.advice-ico { width: 24px; height: 24px; flex: 0 0 24px; margin-top: 2px; fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.advice-item-desc { color: var(--text); font-size: 14px; font-weight: 700; line-height: 1.4; }
.advice-item-desc p { margin: 2px 0 0; color: var(--muted); font-size: 12px; font-weight: 400; line-height: 1.6; }
.advice-item-desc a { color: inherit; }
.advice-item-desc .advice-phone,
.advice-item-desc .advice-phone a { color: var(--primary); font-size: 16px; font-weight: 700; }
.reveal { opacity: 0; transform: translateY(16px); animation: rise .6s ease forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (max-width: 980px) {
  .menu-toggle { display: inline-flex; align-items: center; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); flex-direction: column;
    align-items: flex-start; padding: 12px 20px 18px; gap: 10px;
  }
  .nav-links.open { display: flex; }
  .nav-dropdown { position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto; width: 100%; box-shadow: none; display: block; padding: 8px 0; }
  .hero-grid, .split, .split.reverse, .cards-3, .cap-grid, .price-grid, .func-grid, .steps, .form-grid { grid-template-columns: 1fr; }
  .split.reverse .copy { order: 0; }
  h1 { font-size: 2rem; }
}