:root {
  --red: #c90000;
  --red-dark: #a80000;
  --red-light: rgba(201, 0, 0, .08);
  --text: #1f2329;
  --muted: #5d6673;
  --soft: #8a93a0;
  --line: rgba(201, 0, 0, .12);
  --gray: #f6f7f9;
  --gray-2: #f1f3f6;
  --white: #fff;
  --dark: #11151c;
  --shadow: 0 12px 30px rgba(18, 28, 45, .08);
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.75;
  padding-top: 78px;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201,0,0,.08);
}
.header-inner {
  width: min(1380px, calc(100% - 40px));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { flex: 0 0 auto; }
.logo img { max-height: 52px; width: auto; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 10px; white-space: nowrap; flex-wrap: nowrap; }
.nav-core a {
  color: var(--text);
  background: var(--gray);
  border-radius: 999px;
  padding: 9px 16px;
  font-weight: 700;
  transition: .2s ease;
}
.nav-core a:hover, .nav-core a.active { color: var(--red); background: var(--red-light); }
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(180deg, #f12b2b 0%, #c90000 55%, #a80000 100%);
  box-shadow: 0 8px 18px rgba(201,0,0,.18);
  font-weight: 800;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 22px rgba(201,0,0,.24); }
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--red);
  background: #fff;
  font-weight: 800;
}
.menu-toggle { display: none; border: 0; background: transparent; width: 42px; height: 42px; padding: 9px; }
.menu-toggle span { display: block; height: 2px; background: var(--text); margin: 5px 0; border-radius: 10px; }
.site-layout {
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 218px minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}
.side-category {
  position: sticky;
  top: 98px;
  max-height: calc(100vh - 118px);
  overflow-y: auto;
  background: #fff;
  border: 1px solid rgba(201,0,0,.10);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 14px;
  margin-top: 24px;
}
.side-category-title { padding: 6px 10px 10px; color: var(--red); font-weight: 900; letter-spacing: .08em; }
.side-category nav { display: grid; gap: 4px; }
.side-category a { color: var(--text); border-radius: 12px; padding: 8px 10px; font-size: 14px; line-height: 1.35; }
.side-category a:hover, .side-category a.active { color: var(--red); background: var(--red-light); font-weight: 800; }
.site-main { min-width: 0; padding-bottom: 24px; }
.page-section { padding: 64px 0; }
.page-section.compact { padding: 40px 0; }
.page-section.soft { background: var(--gray); border-radius: 28px; padding-left: 28px; padding-right: 28px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.section-head > div { max-width: 760px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 99px; background: var(--red); }
h1, h2, h3, .section-title { color: var(--red); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(34px, 5vw, 60px); margin-bottom: 18px; }
h2 { font-size: clamp(26px, 3.4vw, 40px); margin-bottom: 14px; }
h3 { font-size: 20px; margin-bottom: 10px; }
p { margin: 0 0 16px; color: var(--muted); }
.lead { font-size: 18px; color: var(--text); }
.text-link { color: var(--red); font-weight: 800; }
.text-link::after { content: " →"; }
.hero {
  margin: 24px 0 10px;
  min-height: 430px;
  border-radius: 28px;
  background: linear-gradient(135deg, #fff 0%, #f8f9fb 55%, #f0f2f6 100%);
  border: 1px solid rgba(201,0,0,.08);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  align-items: center;
  gap: 36px;
  padding: clamp(28px, 5vw, 60px);
  overflow: hidden;
}
.hero-copy { max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-media { background: #fff; border-radius: 24px; padding: 18px; box-shadow: 0 10px 26px rgba(18,28,45,.06); }
.hero-media img { width: 100%; height: 280px; object-fit: contain; background: #f7f8fa; border-radius: 18px; }
.banner-slider {
  max-width: 1180px;
  margin: 24px auto 34px;
  border-radius: 22px;
  background: #f7f8fa;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  height: clamp(260px, 31vw, 360px);
}
.slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .45s ease; }
.slide.active { opacity: 1; pointer-events: auto; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #f7f8fa; }
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.7);
  background: rgba(17,21,28,.42);
  color: #fff;
  font-size: 26px;
  display: grid;
  place-items: center;
}
.slider-arrow:hover { background: rgba(201,0,0,.75); }
.slider-prev { left: 16px; }
.slider-next { right: 16px; }
.slider-dots { position: absolute; z-index: 3; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; gap: 8px; }
.slider-dot { width: 10px; height: 10px; border-radius: 50%; border: 0; padding: 0; background: rgba(255,255,255,.65); box-shadow: 0 0 0 1px rgba(17,21,28,.12); }
.slider-dot.active { width: 26px; border-radius: 99px; background: var(--red); }
.banner-caption, .banner-text, .slide-title, .slide-desc, .slide-content, .slide-card, .banner-card { display: none !important; }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.content-media { background: var(--gray); border-radius: 22px; padding: 16px; }
.content-media img { width: 100%; max-height: 290px; object-fit: contain; border-radius: 16px; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .zone-card, .info-card, .review-card {
  background: #fff;
  border: 1px solid rgba(201,0,0,.10);
  box-shadow: var(--shadow);
  border-radius: 18px;
}
.card, .info-card, .review-card { padding: 24px; }
.zone-card { overflow: hidden; }
.zone-card img, .info-card img, .content-img { max-width: 100%; height: auto; max-height: 230px; object-fit: contain; }
.zone-card .card-body { padding: 20px; }
.product-scroll { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(220px, 1fr); gap: 18px; overflow-x: auto; padding: 4px 2px 18px; scroll-snap-type: x mandatory; }
.product-card { scroll-snap-align: start; background: #fff; border: 1px solid rgba(201,0,0,.10); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
.product-card img { width: 100%; height: 170px; object-fit: contain; background: #f7f8fa; }
.product-card .card-body { padding: 18px; }
.product-card h3 { font-size: 18px; }
.quick-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.quick-link { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px; transition: .2s ease; }
.quick-link:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.quick-link strong { display: block; color: var(--red); margin-bottom: 4px; }
.quick-link span { color: var(--muted); font-size: 14px; }
.service-summary { background: linear-gradient(135deg, #e71f1f, #a80000); border-radius: 26px; padding: 28px; color: #fff; }
.service-summary .summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.summary-item { border: 1px solid rgba(255,255,255,.18); border-radius: 18px; padding: 20px; background: rgba(255,255,255,.08); }
.summary-item h3, .summary-item p { color: #fff; }
.summary-item p { opacity: .88; }
.list-check { display: grid; gap: 12px; padding: 0; margin: 20px 0 0; list-style: none; }
.list-check li { position: relative; padding-left: 30px; color: var(--muted); }
.list-check li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--red); font-weight: 900; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.step { counter-increment: step; background: var(--gray); border-radius: 18px; padding: 22px; border: 1px solid rgba(201,0,0,.06); }
.step::before { content: counter(step, decimal-leading-zero); display: inline-flex; color: var(--red); font-weight: 900; margin-bottom: 16px; }
.review-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.review-card { position: relative; padding-top: 36px; }
.review-card::before { content: "“"; position: absolute; left: 20px; top: 4px; color: var(--red); font-size: 42px; line-height: 1; font-family: Georgia, serif; }
.review-card p { color: var(--text); }
.review-meta { display: block; margin-top: 12px; color: var(--soft); font-size: 13px; }
.faq-list { display: grid; gap: 14px; }
details { background: #fff; border: 1px solid rgba(201,0,0,.10); border-radius: 16px; padding: 0 20px; box-shadow: 0 8px 24px rgba(18,28,45,.05); }
summary { cursor: pointer; color: var(--text); font-weight: 800; padding: 18px 4px; }
details p { padding: 0 4px 18px; margin: 0; }
.notice-panel { border-left: 5px solid var(--red); border-radius: 18px; background: #fff6f6; padding: 24px 26px; }
.notice-panel h2, .notice-panel h3 { margin-bottom: 8px; }
.cta-band { border-radius: 26px; background: #11151c; color: #fff; padding: 34px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band h2, .cta-band p { color: #fff; }
.cta-band p { opacity: .8; margin-bottom: 0; }
.category-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.category-pills a { padding: 9px 14px; border-radius: 999px; background: var(--gray); color: var(--text); font-weight: 700; }
.category-pills a:hover { background: var(--red-light); color: var(--red); }
.global-notice { background: #f6f7f9; border-top: 1px solid rgba(201,0,0,.08); padding: 36px 0; }
.notice-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; }
.notice-grid h2 { font-size: 26px; margin-bottom: 0; }
.notice-grid p { margin: 0; }
.site-footer { background: #11151c; color: #e7ecf3; padding: 54px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; }
.footer-brand img { max-height: 50px; width: auto; margin-bottom: 16px; }
.site-footer h3 { color: #fff; font-size: 16px; }
.site-footer p { color: #aeb7c4; }
.site-footer a { display: block; color: #cbd2dc; margin: 7px 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; color: #8791a0; border-top: 1px solid rgba(255,255,255,.08); margin-top: 32px; padding-top: 22px; font-size: 13px; }
.mobile-drawer { position: fixed; inset: 0 auto 0 0; z-index: 1200; width: min(84vw, 320px); background: #fff; transform: translateX(-105%); transition: transform .28s ease; box-shadow: 16px 0 36px rgba(17,21,28,.18); overflow-y: auto; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-mask { position: fixed; inset: 0; z-index: 1100; background: rgba(17,21,28,.46); opacity: 0; visibility: hidden; transition: .25s ease; }
.drawer-open .drawer-mask { opacity: 1; visibility: visible; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px; border-bottom: 1px solid #edf0f3; }
.drawer-logo img { max-height: 44px; width: auto; }
.drawer-close { border: 0; background: var(--gray); color: var(--text); border-radius: 50%; width: 38px; height: 38px; font-size: 26px; line-height: 1; }
.drawer-nav { display: grid; padding: 14px; gap: 4px; }
.drawer-nav a { padding: 11px 12px; border-radius: 12px; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--red); background: var(--red-light); font-weight: 800; }
.mobile-bottom-nav { display: none; }
.table-wrap { overflow-x: auto; }
.info-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.info-table th, .info-table td { padding: 14px 16px; border-bottom: 1px solid #edf0f3; text-align: left; }
.info-table th { background: var(--gray); color: var(--red); }
.contact-list { display: grid; gap: 14px; }
.contact-item { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.contact-item strong { color: var(--red); display: block; margin-bottom: 6px; }

@media (max-width: 1180px) {
  .site-layout { display: block; width: min(1180px, calc(100% - 40px)); }
  .side-category { display: none; }
  .nav-core { display: none; }
  .menu-toggle { display: block; }
  .header-inner { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; }
  .header-register { justify-self: end; }
  .logo { justify-self: center; }
  .card-grid.four { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 860px) {
  body { padding-top: 68px; padding-bottom: 70px; }
  .header-inner { min-height: 68px; width: calc(100% - 24px); }
  .logo img { max-height: 42px; }
  .header-register { min-height: 38px; padding: 8px 14px; }
  .site-layout { width: calc(100% - 24px); }
  .container { width: calc(100% - 24px); }
  .hero { grid-template-columns: 1fr; min-height: 0; padding: 28px 22px; }
  .hero-media img { height: 220px; }
  .split { grid-template-columns: 1fr; }
  .card-grid, .quick-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .service-summary .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .notice-grid, .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band { align-items: flex-start; flex-direction: column; }
  .page-section { padding: 46px 0; }
  .page-section.soft { border-radius: 20px; padding-left: 18px; padding-right: 18px; }
  .banner-slider { height: clamp(180px, 44vw, 260px); }
  .mobile-bottom-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    z-index: 1050;
    inset: auto 0 0 0;
    background: #fff;
    border-top: 1px solid #e6e9ee;
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -8px 24px rgba(18,28,45,.08);
  }
  .mobile-bottom-nav a { min-height: 62px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--muted); font-size: 12px; }
  .mobile-bottom-nav a span { font-weight: 900; }
  .mobile-bottom-nav a.active { color: var(--red); }
}
@media (max-width: 600px) {
  h1 { font-size: 34px; }
  h2 { font-size: 28px; }
  .header-inner { grid-template-columns: 42px 1fr auto; }
  .logo { justify-self: center; }
  .card-grid, .card-grid.four, .quick-grid, .review-grid, .service-summary .summary-grid, .steps, .notice-grid, .footer-grid { grid-template-columns: 1fr; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .hero-media img { height: 190px; }
  .banner-slider { height: clamp(150px, 52vw, 210px); border-radius: 16px; }
  .slider-arrow { width: 38px; height: 38px; font-size: 22px; }
  .product-card img { height: 150px; }
  .content-media img { max-height: 230px; }
  .footer-bottom { flex-direction: column; }
  .page-section.soft { padding: 30px 16px; }
}