:root {
  --sg-ink: #142536;
  --sg-navy: #12304a;
  --sg-blue: #1265d6;
  --sg-blue-dark: #084b9e;
  --sg-green: #07875f;
  --sg-red: #e94f35;
  --sg-gold: #e6aa2f;
  --sg-paper: #f5f8fb;
  --sg-line: #d8e1e9;
  --sg-muted: #5d6d7c;
  --sg-white: #fff;
  --sg-shadow: 0 18px 50px rgba(18, 48, 74, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.sg-site {
  margin: 0;
  color: var(--sg-ink);
  background: var(--sg-white);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}
body.sg-site a { color: inherit; text-decoration: none; }
body.sg-site button,
body.sg-site input,
body.sg-site select,
body.sg-site textarea { font: inherit; letter-spacing: 0; }
body.sg-site img { display: block; max-width: 100%; }
body.sg-site :focus-visible { outline: 3px solid rgba(18, 101, 214, 0.36); outline-offset: 3px; }
.sg-shell,
.v3-container { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }

/* Header */
.sg-header { position: relative; z-index: 80; background: var(--sg-white); }
.sg-header-main { background: var(--sg-navy); color: var(--sg-white); }
.sg-header-row { min-height: 76px; display: flex; align-items: center; gap: 24px; }
.sg-brand { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 11px; }
.sg-brand-mark { width: 42px; height: 42px; display: grid; place-items: center; background: var(--sg-blue); color: #fff; border-radius: 4px; font-size: 24px; font-weight: 900; line-height: 1; }
.sg-brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.sg-brand-text strong { font-size: 18px; white-space: nowrap; }
.sg-brand-text small { margin-top: 5px; color: #b9cad9; font-size: 9px; font-family: Arial, sans-serif; }
.sg-main-nav { min-width: 0; flex: 1 1 auto; display: flex; align-items: center; justify-content: center; gap: 3px; }
.sg-nav-item { position: relative; }
.sg-nav-link { position: relative; display: flex; align-items: center; min-height: 76px; padding: 0 13px; color: #eef5fb; font-size: 15px; font-weight: 700; white-space: nowrap; }
.sg-nav-link::after { content: ""; position: absolute; right: 13px; bottom: 15px; left: 13px; height: 3px; background: var(--sg-gold); transform: scaleX(0); transform-origin: left; transition: transform 0.18s ease; }
.sg-nav-link:hover::after,
.sg-nav-link.is-current::after { transform: scaleX(1); }
.sg-nav-menu { position: absolute; top: calc(100% - 6px); left: 0; min-width: 178px; padding: 8px 0; background: #fff; color: var(--sg-ink); border: 1px solid var(--sg-line); border-radius: 4px; box-shadow: var(--sg-shadow); opacity: 0; visibility: hidden; transform: translateY(8px); transition: 0.18s ease; }
.sg-nav-item:hover .sg-nav-menu,
.sg-nav-item:focus-within .sg-nav-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.sg-nav-menu a { display: block; padding: 9px 16px; font-size: 14px; }
.sg-nav-menu a:hover { color: var(--sg-blue); background: #f2f7fc; }
.sg-header-contact { flex: 0 0 auto; display: flex; flex-direction: column; align-items: flex-end; line-height: 1.25; }
.sg-header-contact span { color: #b9cad9; font-size: 11px; }
.sg-header-contact a { margin-top: 4px; color: #fff; font-size: 17px; font-weight: 800; font-family: Arial, sans-serif; }
.sg-header-wechat { flex: 0 0 auto; padding: 10px 14px; color: #fff; background: var(--sg-green); border: 1px solid rgba(255,255,255,.25); border-radius: 4px; font-size: 14px; font-weight: 700; }
.sg-menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; background: transparent; border: 1px solid rgba(255,255,255,.4); border-radius: 4px; }
.sg-menu-toggle span { display: block; height: 2px; margin: 5px 0; background: #fff; }
.sg-service-bar { border-bottom: 1px solid var(--sg-line); background: #fff; }
.sg-service-bar-inner { min-height: 42px; display: flex; align-items: center; gap: 24px; color: #506171; font-size: 13px; }
.sg-service-bar-inner strong { color: var(--sg-red); }
.sg-service-bar-inner a:hover { color: var(--sg-blue); }
.sg-service-bar-inner > span { margin-left: auto; color: var(--sg-muted); }
.sg-service-bar-inner > span a { color: var(--sg-ink); font-weight: 800; }
.sg-mobile-nav,
.sg-nav-backdrop { display: none; }

/* Shared type and controls */
.sg-kicker,
.sg-section-head > div > span,
.sg-process-head > span,
.sg-lead-band-copy > span,
.sg-final-contact-grid > div > span,
.sg-reading > .sg-shell > div:first-child > span,
.sg-wechat-copy > span,
.sg-commitment-grid > div > span { display: block; margin: 0 0 10px; color: var(--sg-red); font-size: 14px; font-weight: 800; }
.sg-section { padding: 86px 0; }
.sg-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.sg-section-head h2,
.sg-process-head h2,
.sg-lead-band-copy h2,
.sg-final-contact-grid h2,
.sg-reading h2,
.sg-wechat h2,
.sg-commitment h2 { margin: 0; color: var(--sg-ink); font-size: 34px; line-height: 1.3; font-weight: 900; }
.sg-section-head p { max-width: 620px; margin: 10px 0 0; color: var(--sg-muted); }
.sg-section-head > a { flex: 0 0 auto; color: var(--sg-blue); font-weight: 800; border-bottom: 2px solid currentColor; }
.sg-btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid transparent; border-radius: 4px; font-weight: 800; }
.sg-btn-primary { color: #fff !important; background: var(--sg-red); }
.sg-btn-primary:hover { background: #ce3f29; }
.sg-btn-wechat { color: #fff !important; background: var(--sg-green); }
.sg-btn-dark { color: #fff !important; background: var(--sg-navy); }

/* Home hero */
.sg-hero { position: relative; min-height: 665px; overflow: hidden; background-image: linear-gradient(90deg, rgba(248,251,254,.99) 0%, rgba(248,251,254,.95) 43%, rgba(248,251,254,.55) 67%, rgba(18,48,74,.10) 100%), url("/assets/img/shenzhen-futian-panorama.webp"); background-size: cover; background-position: center 48%; }
.sg-hero::after { content: "深圳创业办事入口"; position: absolute; top: 38px; right: 5%; color: rgba(18,48,74,.08); font-size: 58px; font-weight: 900; writing-mode: vertical-rl; pointer-events: none; }
.sg-hero-inner { min-height: 555px; display: flex; align-items: center; padding: 56px 0 126px; }
.sg-hero-copy { max-width: 720px; }
.sg-hero-copy h1,
.sg-service-hero h1 { margin: 0; color: var(--sg-ink); font-size: 58px; line-height: 1.17; font-weight: 900; }
.sg-hero-copy h1 em,
.sg-service-hero h1 em { color: var(--sg-blue); font-size: 42px; font-style: normal; font-weight: 900; }
.sg-hero-lead,
.sg-service-lead { max-width: 680px; margin: 22px 0 0; color: #354a5c; font-size: 18px; line-height: 1.9; }
.sg-hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.sg-hero-tags span { padding: 7px 12px; color: #36526a; background: rgba(255,255,255,.78); border: 1px solid #cbd9e5; border-radius: 3px; font-size: 13px; font-weight: 700; }
.sg-hero-actions { display: flex; gap: 12px; margin-top: 29px; }
.sg-hero-phone { margin: 16px 0 0; color: #40566a; font-size: 14px; }
.sg-hero-phone a { margin-left: 7px; color: var(--sg-ink); font-size: 19px; font-weight: 900; font-family: Arial, sans-serif; }
.sg-intent-wrap { position: absolute; right: 0; bottom: 0; left: 0; }
.sg-intent-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-top: 4px solid var(--sg-blue); box-shadow: var(--sg-shadow); }
.sg-intent-grid > a { min-height: 112px; display: flex; align-items: center; gap: 16px; padding: 22px; border-right: 1px solid var(--sg-line); transition: background .18s ease; }
.sg-intent-grid > a:last-child { border-right: 0; }
.sg-intent-grid > a:hover { background: #f3f8fd; }
.sg-intent-grid > a > span { color: #b8c7d5; font-size: 22px; font-family: Arial, sans-serif; font-weight: 900; }
.sg-intent-grid div { display: flex; flex-direction: column; }
.sg-intent-grid strong { font-size: 18px; }
.sg-intent-grid small { margin-top: 4px; color: var(--sg-muted); font-size: 12px; }

/* Lead band */
.sg-lead-band { padding: 66px 0 48px; background: #eef4f8; border-bottom: 1px solid var(--sg-line); }
.sg-lead-band-inner { display: grid; grid-template-columns: 310px minmax(0, 1fr); align-items: center; gap: 44px; }
.sg-lead-band-copy h2 { font-size: 28px; }
.sg-lead-band-copy p { margin: 8px 0 0; color: var(--sg-muted); font-size: 14px; }
.sg-inline-form { display: grid; grid-template-columns: 1fr 1.15fr 1.45fr 124px; align-items: end; gap: 10px; }
.sg-inline-form label { min-width: 0; color: #34495c; font-size: 12px; font-weight: 700; }
.sg-inline-form label span { display: block; margin-bottom: 5px; }
.sg-inline-form input,
.sg-inline-form select { width: 100%; height: 46px; padding: 0 12px; color: var(--sg-ink); background: #fff; border: 1px solid #bdcbd8; border-radius: 3px; }
.sg-inline-form button { height: 46px; color: #fff; background: var(--sg-red); border: 0; border-radius: 3px; font-weight: 800; cursor: pointer; }
.sg-inline-form small { grid-column: 1 / -1; color: #667786; font-size: 11px; line-height: 1.4; }

/* Business matrix */
.sg-business { background: #fff; }
.sg-business-matrix { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--sg-line); border-bottom: 0; }
.sg-business-matrix > section { display: grid; grid-template-columns: 155px 1fr; min-height: 220px; border-right: 1px solid var(--sg-line); border-bottom: 1px solid var(--sg-line); }
.sg-business-matrix > section:nth-child(2n) { border-right: 0; }
.sg-business-matrix header { padding: 28px 22px; color: #fff; background: var(--sg-navy); }
.sg-business-matrix > section:nth-child(2) header { background: var(--sg-green); }
.sg-business-matrix > section:nth-child(3) header { background: var(--sg-blue); }
.sg-business-matrix > section:nth-child(4) header { background: #a44635; }
.sg-business-matrix header b { display: block; font-size: 22px; }
.sg-business-matrix header span { display: block; margin-top: 11px; color: rgba(255,255,255,.78); font-size: 12px; line-height: 1.65; }
.sg-business-matrix section > div { display: grid; grid-template-columns: repeat(2, 1fr); align-content: start; }
.sg-business-matrix section > div a { min-height: 103px; display: flex; flex-direction: column; justify-content: center; padding: 20px; border-right: 1px solid #edf1f4; border-bottom: 1px solid #edf1f4; }
.sg-business-matrix section > div a:hover { color: var(--sg-blue); background: #f6f9fc; }
.sg-business-matrix section > div strong { font-size: 16px; }
.sg-business-matrix section > div small { margin-top: 4px; color: var(--sg-muted); font-size: 12px; }

/* Process */
.sg-process { padding: 78px 0; color: #fff; background: var(--sg-navy); }
.sg-process-head { max-width: 700px; }
.sg-process-head > span { color: #f2c55f; }
.sg-process-head h2 { color: #fff; }
.sg-process-head p { margin: 12px 0 0; color: #c2d1dd; }
.sg-process ol { margin: 40px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.25); }
.sg-process li { position: relative; min-height: 142px; padding: 30px 22px 0 0; border-right: 1px solid rgba(255,255,255,.13); }
.sg-process li::before { content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px; background: var(--sg-gold); border-radius: 50%; }
.sg-process li b { display: block; font-size: 18px; }
.sg-process li span { display: block; margin-top: 9px; padding-right: 20px; color: #b9cad7; font-size: 13px; }

/* Problems, commitment and news */
.sg-problems { background: var(--sg-paper); }
.sg-problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sg-problem-grid article { padding: 28px; background: #fff; border: 1px solid var(--sg-line); border-top: 4px solid var(--sg-blue); border-radius: 4px; }
.sg-problem-grid article:nth-child(2) { border-top-color: var(--sg-green); }
.sg-problem-grid article:nth-child(3) { border-top-color: var(--sg-red); }
.sg-problem-grid article > span { color: var(--sg-muted); font-size: 13px; font-weight: 800; }
.sg-problem-grid h3 { margin: 12px 0 10px; font-size: 21px; line-height: 1.5; }
.sg-problem-grid p { margin: 0; color: var(--sg-muted); font-size: 14px; }
.sg-problem-grid a { display: inline-block; margin-top: 18px; color: var(--sg-blue); font-size: 14px; font-weight: 800; }
.sg-commitment { padding: 72px 0; background: #eaf4ef; border-top: 1px solid #cfe1d8; border-bottom: 1px solid #cfe1d8; }
.sg-commitment-grid { display: grid; grid-template-columns: .9fr 1.2fr; gap: 70px; align-items: center; }
.sg-commitment-grid > div p { color: #536d62; }
.sg-commitment-grid ul { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #bcd2c6; border-left: 1px solid #bcd2c6; }
.sg-commitment-grid li { min-height: 106px; padding: 21px; border-right: 1px solid #bcd2c6; border-bottom: 1px solid #bcd2c6; }
.sg-commitment-grid li strong,
.sg-commitment-grid li span { display: block; }
.sg-commitment-grid li span { margin-top: 6px; color: #567064; font-size: 13px; }
.sg-news { background: #fff; }
.sg-news-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 44px; }
.sg-news-list { border-top: 2px solid var(--sg-ink); }
.sg-news-list .v3-article-item { min-height: 72px; display: grid; grid-template-columns: 95px minmax(0, 1fr) 108px; align-items: center; gap: 18px; border-bottom: 1px solid var(--sg-line); }
.sg-news-list .v3-article-item span { color: var(--sg-blue); font-size: 13px; font-weight: 800; }
.sg-news-list .v3-article-item a { font-weight: 700; overflow-wrap: anywhere; }
.sg-news-list .v3-article-item time { color: var(--sg-muted); font-size: 12px; text-align: right; }
.sg-news-layout aside { padding: 24px; background: var(--sg-paper); border-left: 4px solid var(--sg-gold); }
.sg-news-layout aside b { display: block; margin-bottom: 12px; font-size: 18px; }
.sg-news-layout aside a { display: block; padding: 10px 0; color: #455b6d; border-bottom: 1px solid var(--sg-line); font-size: 14px; }

/* Contact, WeChat and footer */
.sg-final-contact { padding: 78px 0; color: #fff; background: linear-gradient(90deg, var(--sg-navy) 0%, var(--sg-navy) 43%, #153a58 43%, #153a58 100%); }
.sg-final-contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; }
.sg-final-contact-grid h2 { color: #fff; }
.sg-final-contact-grid > div p { color: #c7d5df; }
.sg-final-contact-grid > div > a { display: block; margin-top: 18px; color: #fff; font-size: 32px; line-height: 1.2; font-weight: 900; font-family: Arial, sans-serif; }
.sg-final-contact-grid > div > small { color: #bed0dc; }
.sg-final-contact form { padding: 30px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; background: #fff; color: var(--sg-ink); border-top: 4px solid var(--sg-red); border-radius: 4px; }
.sg-final-contact form label { font-size: 13px; font-weight: 700; }
.sg-final-contact form input,
.sg-final-contact form select,
.sg-final-contact form textarea { width: 100%; margin-top: 6px; padding: 11px 12px; border: 1px solid #becbd6; border-radius: 3px; }
.sg-final-contact form textarea { min-height: 90px; resize: vertical; }
.sg-form-wide { grid-column: 1 / -1; }
.sg-final-contact form button { grid-column: 1 / -1; min-height: 48px; color: #fff; background: var(--sg-red); border: 0; border-radius: 3px; font-weight: 800; cursor: pointer; }
.sg-final-contact form p { grid-column: 1 / -1; margin: 0; color: var(--sg-muted); font-size: 11px; }
.sg-wechat { padding: 54px 0; color: #fff; background: var(--sg-green); }
.sg-wechat-grid { display: grid; grid-template-columns: 1.25fr .75fr 300px; gap: 42px; align-items: center; }
.sg-wechat-copy > span { color: #c8f4e4; }
.sg-wechat h2 { color: #fff; font-size: 28px; }
.sg-wechat-copy p { margin: 10px 0 0; color: #d9f3ea; }
.sg-wechat-id { margin-top: 20px; display: flex; align-items: center; gap: 14px; }
.sg-wechat-id small { color: #d8f2e9; }
.sg-wechat-id strong { font-size: 25px; font-family: Arial, sans-serif; }
.sg-wechat-id button { padding: 7px 12px; color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.6); border-radius: 3px; cursor: pointer; }
.sg-wechat-actions { display: grid; gap: 12px; }
.sg-wechat-actions a { display: flex; flex-direction: column; padding: 15px 18px; color: #fff; border: 1px solid rgba(255,255,255,.38); border-radius: 4px; }
.sg-wechat-actions a small { color: #d7f0e7; }
.sg-wechat-actions a strong { margin-top: 3px; font-size: 18px; }
.sg-wechat-qr { display: flex; align-items: center; gap: 15px; padding: 14px; color: var(--sg-ink); background: #fff; border-radius: 4px; }
.sg-wechat-qr > div { flex: 0 0 90px; width: 90px; height: 90px; display: grid; place-items: center; overflow: hidden; background: #edf3f6; }
.sg-wechat-qr img { width: 100%; height: 100%; object-fit: cover; }
.sg-wechat-qr p { margin: 0; line-height: 1.5; }
.sg-wechat-qr p strong,
.sg-wechat-qr p small { display: block; }
.sg-wechat-qr p small { margin-top: 5px; color: var(--sg-muted); }
.sg-footer { padding: 58px 0 22px; color: #c4d0da; background: #0d2336; }
.sg-footer-top { display: grid; grid-template-columns: 1.35fr repeat(3, .75fr); gap: 48px; padding-bottom: 42px; }
.sg-footer .sg-brand { color: #fff; }
.sg-footer-top > div:first-child p { max-width: 350px; margin-top: 18px; font-size: 13px; }
.sg-footer-top h3 { margin: 0 0 13px; color: #fff; font-size: 15px; }
.sg-footer-top > div:not(:first-child) a,
.sg-footer-top > div:not(:first-child) span { display: block; padding: 4px 0; color: #afbeca; font-size: 13px; }
.sg-footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 11px; }
.sg-footer-bottom > div { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.sg-footer-bottom a:hover { color: #fff; }
.sg-mobile-cta { display: none; }

/* Service page */
.sg-service-hero { min-height: 500px; background-image: linear-gradient(90deg, rgba(248,251,254,.99) 0%, rgba(248,251,254,.94) 47%, rgba(248,251,254,.42) 72%, rgba(18,48,74,.12) 100%), url("/assets/img/shenzhen-futian-panorama.webp"); background-size: cover; background-position: center; }
.sg-service-hero-inner { padding: 46px 0 64px; }
.sg-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 52px; color: #617385; font-size: 13px; }
.sg-breadcrumb a:hover { color: var(--sg-blue); }
.sg-service-hero h1 { font-size: 49px; }
.sg-service-hero h1 em { font-size: 32px; }
.sg-service-lead { max-width: 720px; }
.sg-service-summary { background: #fff; border-bottom: 1px solid var(--sg-line); }
.sg-service-summary > .sg-shell { display: grid; grid-template-columns: repeat(3, 1fr); }
.sg-service-summary > .sg-shell > div { min-height: 110px; display: flex; flex-direction: column; justify-content: center; padding: 22px 30px; border-right: 1px solid var(--sg-line); }
.sg-service-summary > .sg-shell > div:first-child { border-left: 1px solid var(--sg-line); }
.sg-service-summary strong { font-size: 16px; }
.sg-service-summary span { margin-top: 5px; color: var(--sg-muted); font-size: 12px; }
.sg-lead-band-service { padding-top: 48px; }
.sg-service-nav { position: sticky; top: 0; z-index: 30; background: #fff; border-top: 1px solid var(--sg-line); border-bottom: 1px solid var(--sg-line); }
.sg-service-nav .sg-shell { min-height: 56px; display: flex; align-items: center; gap: 38px; }
.sg-service-nav a { color: #40566a; font-size: 14px; font-weight: 700; }
.sg-service-nav a:hover { color: var(--sg-blue); }
.sg-service-fit { background: var(--sg-paper); }
.sg-fit-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--sg-line); border-left: 1px solid var(--sg-line); }
.sg-fit-grid article { min-height: 170px; padding: 26px; background: #fff; border-right: 1px solid var(--sg-line); border-bottom: 1px solid var(--sg-line); }
.sg-fit-grid b { font-size: 18px; }
.sg-fit-grid p { margin: 9px 0 0; color: var(--sg-muted); font-size: 14px; }
.sg-service-main { padding: 80px 0; background: #fff; }
.sg-service-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 58px; align-items: start; }
.sg-service-article { min-width: 0; }
.sg-direct-answer { padding: 24px 26px; background: #edf5fb; border-left: 4px solid var(--sg-blue); }
.sg-direct-answer span { color: var(--sg-blue); font-size: 13px; font-weight: 800; }
.sg-direct-answer p { margin: 5px 0 0; color: #3e5568; }
.sg-service-article .article-body { margin-top: 36px; }
.sg-service-article .article-body > p { color: #43586a; font-size: 16px; }
.sg-service-article .article-body h2 { margin: 48px 0 16px; padding-bottom: 12px; color: var(--sg-ink); border-bottom: 2px solid var(--sg-line); font-size: 25px; line-height: 1.45; }
.sg-service-article .article-body h3 { margin: 28px 0 8px; font-size: 19px; }
.sg-service-article .article-body ul,
.sg-service-article .article-body ol { margin: 16px 0 26px; padding: 0; list-style: none; border-top: 1px solid var(--sg-line); }
.sg-service-article .article-body li { position: relative; padding: 15px 16px 15px 42px; border-bottom: 1px solid var(--sg-line); }
.sg-service-article .article-body li::before { content: ""; position: absolute; left: 16px; top: 25px; width: 8px; height: 8px; background: var(--sg-gold); border-radius: 50%; }
.sg-caution { margin-top: 42px; padding: 22px 24px; background: #fff7e7; border-left: 4px solid var(--sg-gold); }
.sg-caution p { margin: 5px 0 0; color: #6d6149; }
.sg-service-aside { position: sticky; top: 80px; display: grid; gap: 18px; }
.sg-service-aside > div { padding: 24px; background: var(--sg-paper); border-top: 3px solid var(--sg-blue); }
.sg-service-aside > div > span { display: block; font-weight: 800; }
.sg-service-aside ul { margin: 13px 0 0; padding: 0; list-style: none; }
.sg-service-aside li { padding: 8px 0; color: var(--sg-muted); border-bottom: 1px solid var(--sg-line); font-size: 13px; }
.sg-service-aside .sg-aside-contact { color: #fff; background: var(--sg-navy); border-top-color: var(--sg-gold); }
.sg-aside-contact > a:not(.sg-btn) { display: block; margin: 8px 0; color: #fff; font-size: 24px; font-weight: 900; font-family: Arial, sans-serif; }
.sg-aside-contact p { color: #c7d5df; font-size: 13px; }
.sg-aside-contact .sg-btn { width: 100%; margin-top: 10px; }
.sg-related { padding: 72px 0; background: var(--sg-paper); }
.sg-related-links { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--sg-line); border-left: 1px solid var(--sg-line); }
.sg-related-links a { min-height: 86px; display: flex; align-items: center; padding: 20px; background: #fff; border-right: 1px solid var(--sg-line); border-bottom: 1px solid var(--sg-line); font-weight: 800; }
.sg-related-links a:hover { color: var(--sg-blue); }
.sg-reading { padding: 66px 0; background: #fff; }
.sg-reading > .sg-shell { display: grid; grid-template-columns: 330px 1fr; gap: 48px; }
.sg-reading-links { border-top: 2px solid var(--sg-ink); }
.sg-reading-links a { display: block; padding: 16px 4px; border-bottom: 1px solid var(--sg-line); }
.sg-reading-links a:hover { color: var(--sg-blue); }

/* List and article compatibility */
body.sg-site .cn-list-hero,
body.sg-site .cn-article-head { padding: 66px 0; color: var(--sg-ink); background: var(--sg-paper); border-bottom: 1px solid var(--sg-line); }
body.sg-site .cn-list-hero h1,
body.sg-site .cn-article-head h1 { color: var(--sg-ink); font-size: 40px; line-height: 1.35; }
body.sg-site .cn-list-main,
body.sg-site .cn-article-main { padding: 70px 0; }
body.sg-site .cn-list-layout,
body.sg-site .cn-article-layout { gap: 48px; }
body.sg-site .v3-list-card { border-radius: 4px; border-color: var(--sg-line); }
body.sg-site .v3-list-card h2 a:hover { color: var(--sg-blue); }
body.sg-site .cn-primary { color: #fff; background: var(--sg-red); border-radius: 4px; }
body.sg-site .cn-article-body h2 { color: var(--sg-ink); }

@media (max-width: 1160px) {
  .sg-header-row { gap: 14px; }
  .sg-nav-link { padding: 0 9px; font-size: 14px; }
  .sg-header-contact { display: none; }
  .sg-service-bar-inner { gap: 16px; }
  .sg-lead-band-inner { grid-template-columns: 260px minmax(0, 1fr); gap: 26px; }
}

@media (max-width: 900px) {
  body.sg-site { padding-bottom: 58px; font-size: 15px; }
  .sg-shell,
  .v3-container { width: min(100% - 24px, 720px); }
  .sg-header-main { position: relative; }
  .sg-header-row { min-height: 62px; gap: 10px; }
  .sg-brand-mark { width: 36px; height: 36px; font-size: 20px; }
  .sg-brand-text strong { font-size: 15px; }
  .sg-brand-text small { display: none; }
  .sg-main-nav,
  .sg-header-contact,
  .sg-service-bar { display: none; }
  .sg-header-wechat { margin-left: auto; padding: 8px 10px; font-size: 12px; }
  .sg-menu-toggle { display: block; flex: 0 0 40px; width: 40px; height: 40px; }
  .sg-nav-backdrop { display: block; position: fixed; inset: 0; z-index: 90; background: rgba(6,20,32,.58); border: 0; opacity: 0; visibility: hidden; transition: .2s ease; }
  .sg-mobile-nav { display: block; position: fixed; top: 0; right: 0; z-index: 91; width: min(88vw, 370px); height: 100dvh; padding: 0 18px 28px; overflow-y: auto; color: var(--sg-ink); background: #fff; transform: translateX(100%); transition: transform .22s ease; }
  .nav-open .sg-nav-backdrop { opacity: 1; visibility: visible; }
  .nav-open .sg-mobile-nav { transform: translateX(0); }
  .nav-open { overflow: hidden; }
  .sg-mobile-nav-head { min-height: 66px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--sg-line); }
  .sg-mobile-nav-head strong { font-size: 18px; }
  .sg-mobile-nav-head button { width: 38px; height: 38px; padding: 0; color: var(--sg-ink); background: transparent; border: 1px solid var(--sg-line); border-radius: 3px; font-size: 28px; line-height: 1; }
  .sg-mobile-nav-group { padding: 20px 0 14px; border-bottom: 1px solid var(--sg-line); }
  .sg-mobile-nav-group > span { color: var(--sg-blue); font-size: 13px; font-weight: 800; }
  .sg-mobile-nav-group > div { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px 16px; margin-top: 10px; }
  .sg-mobile-nav-group a { padding: 6px 0; font-weight: 700; }
  .sg-mobile-nav-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 20px; }
  .sg-mobile-nav-actions a { padding: 10px; color: #fff; background: var(--sg-green); border-radius: 3px; text-align: center; font-weight: 700; }
  .sg-mobile-nav-actions a:last-child { background: var(--sg-blue); }
  .sg-mobile-news { display: block; margin-top: 10px; padding: 10px; color: var(--sg-blue); border: 1px solid var(--sg-line); text-align: center; }

  .sg-section { padding: 58px 0; }
  .sg-section-head { align-items: flex-start; margin-bottom: 24px; }
  .sg-section-head h2,
  .sg-process-head h2,
  .sg-lead-band-copy h2,
  .sg-final-contact-grid h2,
  .sg-reading h2,
  .sg-wechat h2,
  .sg-commitment h2 { font-size: 26px; }
  .sg-section-head > a { display: none; }
  .sg-hero { min-height: auto; background-image: linear-gradient(180deg, rgba(248,251,254,.98) 0%, rgba(248,251,254,.91) 58%, rgba(248,251,254,.78) 100%), url("/assets/img/shenzhen-futian-panorama.webp"); background-position: 58% center; }
  .sg-hero::after { display: none; }
  .sg-hero-inner { min-height: 0; padding: 48px 0 38px; }
  .sg-hero-copy h1,
  .sg-service-hero h1 { font-size: 37px; line-height: 1.2; }
  .sg-hero-copy h1 em,
  .sg-service-hero h1 em { font-size: 27px; line-height: 1.45; }
  .sg-hero-lead,
  .sg-service-lead { margin-top: 17px; font-size: 15px; line-height: 1.85; }
  .sg-hero-tags { gap: 6px; margin-top: 18px; }
  .sg-hero-tags span { padding: 5px 8px; font-size: 11px; }
  .sg-hero-actions { display: grid; grid-template-columns: 1.3fr 1fr; gap: 8px; margin-top: 22px; }
  .sg-btn { min-height: 46px; padding: 0 12px; font-size: 14px; }
  .sg-hero-phone { margin-top: 13px; }
  .sg-hero-phone a { font-size: 17px; }
  .sg-intent-wrap { position: static; padding: 0 0 12px; }
  .sg-intent-grid { width: calc(100% - 24px); grid-template-columns: repeat(2, 1fr); border-top-width: 3px; }
  .sg-intent-grid > a { min-height: 90px; gap: 10px; padding: 14px 12px; border-bottom: 1px solid var(--sg-line); }
  .sg-intent-grid > a:nth-child(2n) { border-right: 0; }
  .sg-intent-grid > a > span { font-size: 15px; }
  .sg-intent-grid strong { font-size: 14px; }
  .sg-intent-grid small { font-size: 10px; line-height: 1.45; }
  .sg-lead-band { padding: 38px 0; }
  .sg-lead-band-inner { display: block; }
  .sg-inline-form { grid-template-columns: 1fr; margin-top: 22px; }
  .sg-inline-form label { font-size: 12px; }
  .sg-inline-form button { margin-top: 4px; }
  .sg-business-matrix { grid-template-columns: 1fr; }
  .sg-business-matrix > section { grid-template-columns: 112px 1fr; min-height: 0; border-right: 0; }
  .sg-business-matrix header { padding: 22px 15px; }
  .sg-business-matrix header b { font-size: 18px; }
  .sg-business-matrix section > div { grid-template-columns: 1fr; }
  .sg-business-matrix section > div a { min-height: 77px; padding: 13px 15px; border-right: 0; }
  .sg-process { padding: 58px 0; }
  .sg-process ol { grid-template-columns: 1fr; margin-top: 28px; border-top: 0; border-left: 1px solid rgba(255,255,255,.25); }
  .sg-process li { min-height: 0; padding: 0 0 24px 24px; border-right: 0; }
  .sg-process li::before { top: 7px; left: -6px; }
  .sg-process li span { margin-top: 4px; }
  .sg-problem-grid { grid-template-columns: 1fr; gap: 12px; }
  .sg-problem-grid article { padding: 22px; }
  .sg-problem-grid h3 { font-size: 18px; }
  .sg-commitment { padding: 54px 0; }
  .sg-commitment-grid { grid-template-columns: 1fr; gap: 28px; }
  .sg-commitment-grid ul { grid-template-columns: 1fr; }
  .sg-commitment-grid li { min-height: 0; }
  .sg-news-layout { grid-template-columns: 1fr; gap: 24px; }
  .sg-news-list .v3-article-item { grid-template-columns: 72px minmax(0, 1fr); gap: 10px; padding: 12px 0; }
  .sg-news-list .v3-article-item time { display: none; }
  .sg-news-layout aside { padding: 20px; }
  .sg-final-contact { padding: 58px 0; background: var(--sg-navy); }
  .sg-final-contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .sg-final-contact-grid > div > a { font-size: 28px; }
  .sg-final-contact form { grid-template-columns: 1fr; padding: 22px; gap: 12px; }
  .sg-final-contact form label,
  .sg-form-wide,
  .sg-final-contact form button,
  .sg-final-contact form p { grid-column: 1; }
  .sg-wechat { padding: 48px 0; }
  .sg-wechat-grid { grid-template-columns: 1fr; gap: 24px; }
  .sg-wechat-qr { max-width: 330px; }
  .sg-footer { padding-top: 44px; }
  .sg-footer-top { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .sg-footer-top > div:first-child { grid-column: 1 / -1; }
  .sg-footer-bottom { display: block; }
  .sg-footer-bottom > div { justify-content: flex-start; margin-top: 12px; gap: 7px 14px; }
  .sg-mobile-cta { position: fixed; right: 0; bottom: 0; left: 0; z-index: 85; height: 58px; display: grid; grid-template-columns: repeat(3, 1fr); padding: 6px 8px; gap: 5px; background: #fff; border-top: 1px solid var(--sg-line); box-shadow: 0 -6px 20px rgba(17,43,64,.1); }
  .sg-mobile-cta a { display: grid; place-items: center; color: var(--sg-ink); border: 1px solid #c8d5df; border-radius: 3px; font-size: 13px; font-weight: 800; }
  .sg-mobile-cta .sg-mobile-cta-wechat { color: #fff; background: var(--sg-green); border-color: var(--sg-green); }
  .sg-mobile-cta a:last-child { color: #fff; background: var(--sg-blue); border-color: var(--sg-blue); }

  .sg-service-hero { min-height: 0; background-image: linear-gradient(180deg, rgba(248,251,254,.98), rgba(248,251,254,.82)), url("/assets/img/shenzhen-futian-panorama.webp"); }
  .sg-service-hero-inner { padding: 25px 0 42px; }
  .sg-breadcrumb { margin-bottom: 35px; font-size: 12px; }
  .sg-service-summary > .sg-shell { grid-template-columns: 1fr; }
  .sg-service-summary > .sg-shell > div { min-height: 82px; padding: 16px 18px; border-right: 1px solid var(--sg-line); border-bottom: 1px solid var(--sg-line); }
  .sg-lead-band-service { padding: 38px 0; }
  .sg-service-nav { top: 0; overflow-x: auto; }
  .sg-service-nav .sg-shell { width: max-content; min-width: 100%; min-height: 50px; gap: 25px; padding: 0 12px; }
  .sg-fit-grid { grid-template-columns: repeat(2, 1fr); }
  .sg-fit-grid article { min-height: 150px; padding: 20px 16px; }
  .sg-fit-grid b { font-size: 16px; }
  .sg-service-main { padding: 54px 0; }
  .sg-service-layout { grid-template-columns: 1fr; gap: 34px; }
  .sg-direct-answer { padding: 20px; }
  .sg-service-article .article-body h2 { margin-top: 38px; font-size: 21px; }
  .sg-service-aside { position: static; }
  .sg-related { padding: 54px 0; }
  .sg-related-links { grid-template-columns: repeat(2, 1fr); }
  .sg-related-links a { min-height: 72px; padding: 14px; font-size: 14px; }
  .sg-reading { padding: 52px 0; }
  .sg-reading > .sg-shell { grid-template-columns: 1fr; gap: 22px; }
  body.sg-site .cn-list-hero,
  body.sg-site .cn-article-head { padding: 46px 0; }
  body.sg-site .cn-list-hero h1,
  body.sg-site .cn-article-head h1 { font-size: 30px; }
}

@media (max-width: 390px) {
  .sg-brand-text strong { font-size: 14px; }
  .sg-header-wechat { padding: 7px 8px; font-size: 11px; }
  .sg-hero-copy h1,
  .sg-service-hero h1 { font-size: 34px; }
  .sg-hero-copy h1 em,
  .sg-service-hero h1 em { font-size: 25px; }
  .sg-intent-grid > a { padding: 12px 9px; }
  .sg-intent-grid > a > span { display: none; }
  .sg-business-matrix > section { grid-template-columns: 100px 1fr; }
  .sg-fit-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}