* {
  box-sizing: border-box;
}

:root {
  --brand: rgb(255, 80, 0);
  --brand-dark: #E85A00;
  --orange-soft: #FFF3EC;
  --page-gray: #F6F6F6;
  --text: #222222;
  --muted: #555555;
  --light-muted: #777777;
  --deep: #070707;
  --deep-2: #111111;
  --card: #FFFFFF;
  --footer: #1F1F1F;
  --footer-text: #D8D8D8;
  --line: rgba(0,0,0,.08);
  --shadow: 0 14px 35px rgba(0,0,0,.08);
  --radius: 20px;
}

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: #fff;
  line-height: 1.75;
  overflow-x: hidden;
}

body.drawer-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container-wide {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 58px 0;
}

.section.gray {
  background: var(--page-gray);
}

.section.orange-soft {
  background: var(--orange-soft);
}

.section.dark {
  background: #101010;
  color: #f5f5f5;
}

.section-head {
  margin-bottom: 26px;
}

.section-kicker,
.card-kicker,
.hero-kicker,
.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .04em;
}

.section-title,
.page-title,
.hero-title {
  margin: 8px 0 12px;
  line-height: 1.18;
  font-weight: 800;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
}

.page-title {
  font-size: clamp(30px, 5vw, 48px);
}

.hero-title {
  font-size: clamp(36px, 5vw, 62px);
  color: var(--brand);
}

.section-desc,
.page-desc {
  color: var(--muted);
  max-width: 760px;
  margin: 0;
}

.text-link {
  color: var(--brand);
  font-weight: 700;
  border-bottom: 1px solid rgba(255,80,0,.38);
}

.text-link:hover {
  color: var(--brand-dark);
  border-color: var(--brand-dark);
}

.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
  padding: 12px 24px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(255,80,0,.24);
  transition: .2s ease;
  white-space: nowrap;
}

.main-btn:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,.08);
}

.mobile-topbar {
  height: 64px;
  display: grid;
  grid-template-columns: 52px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  border: 0;
  background: #111;
  border-radius: 12px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}

.menu-toggle span {
  width: 19px;
  height: 2px;
  background: #fff;
  border-radius: 20px;
}

.mobile-logo {
  justify-self: center;
}

.mobile-logo img,
.logo img,
.drawer-logo img {
  max-height: 42px;
  width: auto;
  object-fit: contain;
}

.header-btn {
  padding: 9px 14px;
  font-size: 13px;
}

.desktop-header {
  display: none;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.56);
  opacity: 0;
  visibility: hidden;
  transition: .25s ease;
  z-index: 60;
}

.mobile-drawer {
  position: fixed;
  left: 0;
  top: 0;
  width: min(84vw, 320px);
  height: 100vh;
  background: #fff;
  z-index: 70;
  transform: translateX(-105%);
  transition: transform .28s ease;
  box-shadow: 16px 0 40px rgba(0,0,0,.24);
  overflow-y: auto;
}

.drawer-open .drawer-overlay {
  opacity: 1;
  visibility: visible;
}

.drawer-open .mobile-drawer {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px 12px;
  border-bottom: 1px solid var(--line);
}

.drawer-close {
  width: 34px;
  height: 34px;
  border: 0;
  background: var(--orange-soft);
  color: var(--brand);
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
}

.drawer-nav {
  padding: 14px 18px 28px;
  display: grid;
  gap: 8px;
}

.drawer-link {
  padding: 12px 14px;
  border-radius: 14px;
  color: #222;
  font-weight: 700;
  background: #fafafa;
}

.drawer-link.active,
.drawer-link:hover {
  background: var(--orange-soft);
  color: var(--brand);
}

.hero-section {
  position: relative;
  background:
    linear-gradient(105deg, rgba(0,0,0,.90) 0%, rgba(0,0,0,.78) 46%, rgba(0,0,0,.50) 100%),
    url('banner.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: auto -80px -140px auto;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(255,80,0,.22);
  filter: blur(26px);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
  padding: 58px 0 38px;
  text-align: center;
}

.hero-desc {
  color: #f5f5f5;
  font-size: 16px;
  margin: 0 auto 22px;
  max-width: 720px;
}

.hero-tags,
.hero-info-tags,
.mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.hero-tags {
  justify-content: center;
  margin-top: 18px;
}

.hero-tags span,
.hero-info-tags span,
.mini-tags span {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 700;
}

.hero-tags span {
  color: #fff;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
}

.hero-dashboard {
  border-radius: 28px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(6px);
  padding: 16px;
  box-shadow: 0 28px 70px rgba(0,0,0,.34);
}

.hero-dashboard img {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  object-position: center;
  margin: 0 auto;
}

.hero-info-tags {
  margin-top: 14px;
  justify-content: center;
}

.hero-info-tags span {
  background: rgba(8,8,8,.68);
  color: #f7f7f7;
  border: 1px solid rgba(255,255,255,.13);
}

.category-shell {
  background: #101010;
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,.08);
}

.category-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 0 6px;
  scrollbar-width: thin;
}

.category-pill {
  flex: 0 0 auto;
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  min-width: 138px;
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: #fff;
  border: 1px solid rgba(255,255,255,.10);
}

.category-pill small {
  color: var(--brand);
  font-weight: 800;
  font-size: 12px;
}

.category-pill strong {
  font-size: 15px;
}

.focus-layout {
  display: grid;
  gap: 20px;
}

.focus-card,
.info-list,
.dual-card,
.zone-card,
.service-card,
.faq-item,
.article-card,
.step-card,
.contact-card {
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.06);
}

.focus-card {
  overflow: hidden;
}

.focus-image,
.zone-image,
.dual-image,
.page-visual,
.app-visual {
  background: linear-gradient(135deg, #fff, var(--orange-soft));
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.focus-image img {
  width: 100%;
  max-height: 310px;
  object-fit: contain;
  padding: 10px;
}

.focus-body,
.info-item,
.dual-body,
.zone-body,
.article-card,
.step-card,
.contact-card {
  padding: 22px;
}

.info-list {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.info-item {
  background: #fafafa;
  border-radius: 16px;
  border: 1px solid rgba(255,80,0,.08);
}

.info-item h3,
.dual-body h3,
.zone-body h3,
.article-card h3,
.step-card h3,
.service-card h3,
.contact-card h3,
.faq-item h3 {
  margin: 0 0 8px;
  line-height: 1.35;
}

.info-item p,
.dual-body p,
.zone-body p,
.article-card p,
.step-card p,
.service-card p,
.contact-card p,
.faq-item p,
.focus-body p {
  margin: 0 0 12px;
  color: var(--muted);
}

.dual-grid {
  display: grid;
  gap: 20px;
}

.dual-card {
  overflow: hidden;
}

.dual-card.dark-card {
  background: #111;
  color: #fff;
  border-color: rgba(255,255,255,.12);
}

.dual-card.dark-card p,
.dual-card.dark-card li {
  color: #e8e8e8;
}

.dual-image img {
  width: 100%;
  max-height: 250px;
  object-fit: contain;
  padding: 12px;
}

.point-list,
.check-list,
.page-list {
  padding: 0;
  margin: 16px 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.point-list li,
.check-list li,
.page-list li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
}

.dark-card .point-list li,
.section.dark .check-list li {
  color: #ededed;
}

.point-list li::before,
.check-list li::before,
.page-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .75em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

.zone-matrix {
  display: grid;
  gap: 18px;
}

.zone-card {
  overflow: hidden;
}

.zone-image {
  min-height: 150px;
  margin: 14px 14px 0;
}

.zone-image img {
  width: 100%;
  max-height: 190px;
  object-fit: contain;
  padding: 8px;
}

.zone-card.featured {
  background: #111;
  color: #fff;
}

.zone-card.featured p {
  color: #ededed;
}

.zone-card.tall {
  background: var(--orange-soft);
}

.app-banner {
  background: linear-gradient(120deg, #111 0%, #171717 50%, rgba(255,80,0,.22) 100%);
  border-radius: 28px;
  padding: 24px;
  color: #fff;
  display: grid;
  gap: 20px;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
}

.app-banner p,
.app-banner li {
  color: #f1f1f1;
}

.app-visual {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
}

.app-visual img {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  padding: 10px;
}

.service-strip {
  background: #111;
  color: #fff;
  border-radius: 22px;
  padding: 20px;
  margin-bottom: 18px;
  display: grid;
  gap: 10px;
}

.service-strip strong {
  color: var(--brand);
}

.service-strip p {
  margin: 0;
  color: #e8e8e8;
}

.service-grid,
.article-grid,
.steps-grid,
.contact-grid,
.feature-grid {
  display: grid;
  gap: 16px;
}

.service-card {
  padding: 22px;
}

.service-num {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--orange-soft);
  color: var(--brand);
  border-radius: 12px;
  font-weight: 900;
  margin-bottom: 12px;
}

.notice-box {
  border-radius: 24px;
  padding: 24px;
  background: #111;
  color: #fff;
  display: grid;
  gap: 12px;
  border: 1px solid rgba(255,255,255,.10);
}

.notice-box.light {
  background: var(--orange-soft);
  color: var(--text);
  border: 1px solid rgba(255,80,0,.12);
}

.notice-box p {
  margin: 0;
  color: inherit;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  padding: 22px;
}

.page-hero {
  background: linear-gradient(110deg, rgba(0,0,0,.92), rgba(0,0,0,.74)), url('banner.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 64px 0 50px;
}

.page-hero .page-desc {
  color: #f2f2f2;
}

.page-layout {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-panel {
  background: #fff;
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.06);
}

.page-panel h2 {
  margin-top: 0;
  line-height: 1.28;
}

.page-panel p {
  color: var(--muted);
}

.page-visual img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  padding: 14px;
}

.breadcrumb-line {
  color: #ececec;
  font-size: 14px;
  margin-top: 12px;
}

.breadcrumb-line a {
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.35);
}

.site-footer {
  background: var(--footer);
  color: var(--footer-text);
  padding-top: 46px;
}

.footer-grid {
  display: grid;
  gap: 26px;
}

.footer-logo {
  max-height: 44px;
  width: auto;
  margin-bottom: 14px;
}

.footer-brand p,
.footer-bottom p {
  color: var(--footer-text);
  margin: 0 0 12px;
}

.footer-note {
  color: #ababab !important;
  font-size: 14px;
}

.footer-col {
  display: grid;
  gap: 8px;
  align-content: start;
}

.footer-col h3 {
  color: #fff;
  margin: 0 0 6px;
}

.footer-col a {
  color: var(--footer-text);
}

.footer-col a:hover {
  color: var(--brand);
}

.footer-bottom {
  margin-top: 34px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 16px;
  text-align: center;
}

@media (min-width: 640px) {
  .service-grid,
  .feature-grid,
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .zone-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .mobile-topbar {
    display: none;
  }
  .desktop-header {
    height: 76px;
    display: flex;
    align-items: center;
    gap: 28px;
  }
  .desktop-nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }
  .nav-link {
    padding: 8px 11px;
    border-radius: 999px;
    color: #262626;
    font-weight: 700;
    font-size: 14px;
  }
  .nav-link.active,
  .nav-link:hover {
    color: var(--brand);
    background: var(--orange-soft);
  }
  .header-btn {
    padding: 11px 22px;
    font-size: 14px;
  }
  .hero-inner {
    grid-template-columns: .9fr 1.1fr;
    gap: 46px;
    text-align: left;
    padding: 76px 0 56px;
    min-height: 600px;
  }
  .hero-desc {
    margin-left: 0;
  }
  .hero-tags,
  .hero-info-tags {
    justify-content: flex-start;
  }
  .hero-dashboard {
    padding: 24px;
    transform: translateY(10px);
  }
  .hero-dashboard img {
    max-height: 500px;
  }
  .focus-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
    align-items: stretch;
  }
  .dual-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .zone-matrix {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-flow: dense;
  }
  .zone-card.featured {
    grid-column: span 2;
  }
  .zone-card.tall {
    grid-row: span 2;
  }
  .app-banner {
    grid-template-columns: .9fr 1.1fr;
    padding: 34px;
  }
  .service-strip {
    grid-template-columns: 220px 1fr;
    align-items: center;
  }
  .service-grid,
  .article-grid,
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-layout {
    grid-template-columns: .98fr 1.02fr;
  }
  .footer-grid {
    grid-template-columns: 1.6fr .8fr .8fr .8fr;
  }
}

@media (min-width: 1120px) {
  .nav-link {
    padding: 8px 14px;
    font-size: 15px;
  }
  .article-grid.four {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 420px) {
  .mobile-topbar {
    grid-template-columns: 46px 1fr auto;
    padding: 0 10px;
  }
  .header-btn {
    padding: 8px 10px;
    font-size: 13px;
  }
  .mobile-logo img {
    max-height: 36px;
  }
  .hero-inner {
    padding-top: 46px;
  }
  .section {
    padding: 46px 0;
  }
}