:root {
  --primary: rgb(255, 80, 0);
  --primary-dark: #E85A00;
  --light-orange: #FFF3EC;
  --page-bg: #F6F6F6;
  --card: #FFFFFF;
  --text: #222222;
  --muted: #555555;
  --soft: #777777;
  --footer: #1F1F1F;
  --footer-text: #D8D8D8;
  --radius: 18px;
  --shadow: 0 14px 35px rgba(24, 24, 24, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: var(--page-bg);
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 22px rgba(0,0,0,.06);
}
.mobile-topbar {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 62px;
  padding: 9px 14px;
}
.menu-toggle {
  width: 42px;
  height: 42px;
  border: 0;
  background: #111;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.menu-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 4px;
  background: #fff;
}
.mobile-logo { justify-self: center; }
.mobile-logo img { height: 36px; width: auto; object-fit: contain; }
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 12px 24px rgba(255,80,0,.24);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.main-btn:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 16px 30px rgba(255,80,0,.30); }
.header-btn { padding: 8px 14px; font-size: 13px; white-space: nowrap; }
.desktop-header { display: none; }
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(0,0,0,.48);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
.drawer-overlay.show { opacity: 1; visibility: visible; }
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 90;
  width: 82vw;
  max-width: 320px;
  height: 100vh;
  background: #fff;
  box-shadow: 18px 0 45px rgba(0,0,0,.20);
  transform: translateX(-105%);
  transition: transform .28s ease;
  padding: 18px;
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
body.drawer-open { overflow: hidden; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-bottom: 18px; border-bottom: 1px solid #eee; }
.drawer-logo img { height: 42px; width: auto; object-fit: contain; }
.drawer-close { border: 0; background: var(--light-orange); color: var(--primary); font-size: 28px; width: 42px; height: 42px; border-radius: 50%; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; gap: 8px; padding-top: 18px; }
.drawer-link { padding: 12px 14px; border-radius: 12px; color: #222; font-weight: 700; background: #fff; border: 1px solid #f0f0f0; }
.drawer-link.active, .drawer-link:hover { color: var(--primary); background: var(--light-orange); border-color: rgba(255,80,0,.25); }
.section { padding: 58px 0; }
.section.alt { background: #fff; }
.section.soft { background: var(--light-orange); }
.section-head { margin-bottom: 28px; }
.eyebrow { color: var(--primary); font-weight: 800; letter-spacing: .08em; font-size: 13px; }
.section-title { margin: 6px 0 10px; font-size: clamp(26px, 4vw, 42px); line-height: 1.25; color: #171717; }
.section-desc { margin: 0; color: var(--muted); max-width: 760px; }
.text-link { color: var(--primary); font-weight: 800; display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; }
.text-link::after { content: '›'; font-size: 18px; line-height: 1; }
.text-link:hover { color: var(--primary-dark); }
.hero-section {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(100deg, rgba(0,0,0,.88) 0%, rgba(0,0,0,.74) 48%, rgba(0,0,0,.52) 100%),
    url('banner.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  right: -16%;
  top: -18%;
  width: 56%;
  height: 136%;
  background: linear-gradient(140deg, rgba(255,80,0,.28), rgba(255,80,0,.05));
  transform: skewX(-13deg);
  z-index: -1;
}
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 34%, rgba(255,80,0,.24), transparent 34%), linear-gradient(180deg, transparent 0%, rgba(0,0,0,.45) 100%);
  z-index: -1;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  padding: 52px 0 62px;
}
.hero-kicker { color: #fff; display: inline-flex; align-items: center; gap: 8px; font-weight: 800; background: rgba(255,80,0,.16); border: 1px solid rgba(255,80,0,.36); padding: 7px 12px; border-radius: 999px; }
.hero-title { margin: 16px 0 16px; color: var(--primary); font-size: clamp(34px, 8vw, 64px); line-height: 1.08; letter-spacing: -.03em; }
.hero-desc { margin: 0 0 22px; color: #F2F2F2; font-size: 16px; max-width: 610px; }
.hero-action { padding: 12px 24px; font-size: 16px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.hero-tags span { color: #fff; border: 1px solid rgba(255,255,255,.20); background: rgba(255,255,255,.08); border-radius: 999px; padding: 7px 12px; font-size: 13px; }
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; min-height: 250px; }
.hero-visual::before { content: ''; position: absolute; width: 78%; height: 68%; border-radius: 999px; background: rgba(255,80,0,.22); filter: blur(34px); }
.hero-visual img { position: relative; width: 100%; max-height: 300px; object-fit: contain; z-index: 1; }
.quick-links { width: min(1180px, calc(100% - 32px)); margin: 20px auto 0; position: relative; z-index: 5; }
.quick-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.quick-card { background: rgba(255,255,255,.98); border: 1px solid rgba(255,80,0,.10); border-radius: 16px; padding: 15px; box-shadow: var(--shadow); }
.quick-card b { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 10px; background: var(--light-orange); color: var(--primary); margin-bottom: 8px; }
.quick-card h3 { margin: 0 0 5px; font-size: 17px; }
.quick-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.feature-layout { display: grid; gap: 18px; }
.feature-main, .feature-side-card, .dual-card, .zone-card, .service-card, .info-card, .faq-card, .page-card, .notice-box {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.04);
}
.feature-main { padding: 18px; }
.feature-side { display: grid; gap: 18px; }
.feature-side-card { padding: 18px; }
.media-row { display: grid; gap: 16px; align-items: center; }
.media-box { background: var(--light-orange); border-radius: 16px; padding: 12px; min-height: 148px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.media-box img { max-height: 230px; object-fit: contain; }
.badge { display: inline-flex; color: var(--primary); background: var(--light-orange); border: 1px solid rgba(255,80,0,.18); border-radius: 999px; padding: 4px 10px; font-weight: 800; font-size: 13px; }
.card-title { margin: 9px 0 8px; font-size: 22px; line-height: 1.35; }
.card-text { margin: 0; color: var(--muted); }
.dual-grid { display: grid; gap: 20px; }
.dual-card { overflow: hidden; }
.dual-image { background: var(--light-orange); padding: 12px; min-height: 190px; display: flex; align-items: center; justify-content: center; }
.dual-image img { max-height: 260px; object-fit: contain; }
.dual-body { padding: 22px; }
.point-list { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 9px; }
.point-list li { position: relative; padding-left: 22px; color: var(--muted); }
.point-list li::before { content: ''; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.zone-grid { display: grid; gap: 18px; }
.zone-card { overflow: hidden; display: flex; flex-direction: column; }
.zone-card.large { background: linear-gradient(135deg, #fff, var(--light-orange)); }
.zone-image { min-height: 150px; padding: 14px; background: #fff8f4; display: flex; align-items: center; justify-content: center; }
.zone-image img { max-height: 180px; object-fit: contain; }
.zone-body { padding: 20px; flex: 1; }
.app-split { display: grid; gap: 24px; align-items: center; background: linear-gradient(135deg, #fff, #fff3ec); border-radius: 24px; padding: 24px; box-shadow: var(--shadow); }
.app-visual { background: #fff; border-radius: 22px; padding: 18px; display: flex; align-items: center; justify-content: center; min-height: 220px; }
.app-visual img { max-height: 360px; object-fit: contain; }
.service-grid { display: grid; gap: 16px; }
.service-card { padding: 20px; }
.service-no { width: 34px; height: 34px; border-radius: 12px; background: var(--light-orange); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-weight: 900; margin-bottom: 10px; }
.service-card h3 { margin: 0 0 8px; font-size: 19px; }
.service-card p { margin: 0; color: var(--muted); }
.notice-box { padding: 24px; background: #151515; color: #f2f2f2; box-shadow: none; }
.notice-box h2 { color: var(--primary); margin: 0 0 12px; }
.notice-box p { color: #e5e5e5; margin: 0 0 10px; }
.notice-list { margin: 16px 0 0; padding-left: 18px; color: #efefef; }
.faq-grid { display: grid; gap: 16px; }
.faq-card { padding: 20px; }
.faq-card h3 { margin: 0 0 8px; color: #1a1a1a; }
.faq-card p { margin: 0; color: var(--muted); }
.page-hero { background: linear-gradient(112deg, #070707 0%, #151515 62%, rgba(255,80,0,.35) 100%); color: #fff; padding: 52px 0; }
.page-hero h1 { margin: 8px 0 12px; color: var(--primary); font-size: clamp(30px, 6vw, 50px); line-height: 1.18; }
.page-hero p { max-width: 820px; margin: 0; color: #ececec; }
.content-grid { display: grid; gap: 18px; }
.page-card { padding: 24px; }
.page-card h2 { margin: 0 0 12px; font-size: 26px; color: #171717; }
.page-card h3 { margin: 18px 0 8px; color: #171717; }
.page-card p { color: var(--muted); margin: 0 0 12px; }
.page-card p:last-child { margin-bottom: 0; }
.inline-links { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 12px; }
.split-page { display: grid; gap: 22px; align-items: center; }
.side-visual { background: var(--light-orange); border-radius: 20px; padding: 18px; display: flex; align-items: center; justify-content: center; }
.side-visual img { max-height: 390px; object-fit: contain; }
.check-grid { display: grid; gap: 12px; margin-top: 16px; }
.check-item { background: #fff8f4; border: 1px solid rgba(255,80,0,.12); border-radius: 14px; padding: 14px; color: var(--muted); }
.table-list { display: grid; gap: 12px; }
.table-item { display: grid; gap: 4px; padding: 14px; border-radius: 14px; background: #fff8f4; border: 1px solid rgba(255,80,0,.10); }
.table-item strong { color: #1b1b1b; }
.site-footer { background: var(--footer); color: var(--footer-text); padding: 48px 0 24px; }
.footer-grid { display: grid; gap: 28px; }
.footer-brand img { height: 42px; width: auto; object-fit: contain; margin-bottom: 12px; }
.footer-brand p, .footer-note p { color: var(--footer-text); margin: 0; }
.footer-col { display: grid; gap: 8px; align-content: start; }
.footer-col h3 { margin: 0 0 8px; color: #fff; font-size: 18px; }
.footer-col a { color: var(--footer-text); }
.footer-col a:hover { color: var(--primary); }
.footer-note { border-top: 1px solid rgba(255,255,255,.12); margin-top: 30px; padding-top: 18px; display: grid; gap: 8px; font-size: 13px; }
@media (min-width: 640px) {
  .quick-grid { grid-template-columns: repeat(3, 1fr); }
  .service-grid, .faq-grid { grid-template-columns: repeat(2, 1fr); }
  .zone-grid { grid-template-columns: repeat(2, 1fr); }
  .media-row { grid-template-columns: 220px 1fr; }
}
@media (min-width: 900px) {
  .mobile-topbar { display: none; }
  .desktop-header { display: flex; align-items: center; gap: 24px; min-height: 76px; }
  .brand-logo img { height: 46px; width: auto; object-fit: contain; }
  .desktop-nav { flex: 1; display: flex; align-items: center; justify-content: center; gap: 4px; }
  .nav-link { padding: 9px 11px; border-radius: 999px; color: #222; font-size: 14px; font-weight: 700; white-space: nowrap; }
  .nav-link.active, .nav-link:hover { color: var(--primary); background: var(--light-orange); }
  .header-btn { padding: 10px 18px; font-size: 14px; }
  .hero-inner { grid-template-columns: .95fr 1.05fr; gap: 42px; padding: 62px 0 82px; min-height: 560px; }
  .hero-desc { font-size: 17px; }
  .hero-visual img { max-height: 520px; }
  .quick-links { margin-top: -34px; }
  .quick-grid { grid-template-columns: repeat(5, 1fr); }
  .feature-layout { grid-template-columns: 1.25fr .85fr; }
  .dual-grid { grid-template-columns: repeat(2, 1fr); }
  .zone-grid { grid-template-columns: repeat(4, 1fr); }
  .zone-card.large { grid-column: span 2; }
  .app-split, .split-page { grid-template-columns: 1.05fr .95fr; padding: 34px; }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .faq-grid { grid-template-columns: repeat(3, 1fr); }
  .content-grid.two { grid-template-columns: repeat(2, 1fr); }
  .content-grid.three { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr .7fr .7fr .7fr; }
}
@media (min-width: 1120px) {
  .nav-link { padding: 10px 14px; font-size: 15px; }
}
@media (max-width: 767px) {
  .section { padding: 44px 0; }
  .container { width: min(100% - 28px, 1180px); }
  .hero-inner { text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-tags { justify-content: center; }
  .hero-visual img { max-height: 300px; }
  .quick-card { padding: 14px; }
  .quick-card p { font-size: 12.5px; }
  .media-box img, .dual-image img, .zone-image img { max-height: 180px; }
  .app-visual img { max-height: 300px; }
}