:root {
  --navy: #082b5a;
  --navy-deep: #031d40;
  --blue: #0d6fdc;
  --red: #e6403a;
  --ink: #14233a;
  --muted: #52677f;
  --line: #dce5ef;
  --paper: #fff;
  --wash: #f5f8fc;
  --shadow: 0 22px 60px rgba(8, 43, 90, .10);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; line-height: 1.7; }
button, input, textarea { font: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }
p { margin: 0 0 16px; }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 12px; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }

.utility-bar { color: #dceaff; background: var(--navy-deep); font-size: 13px; }
.utility-inner { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.utility-links { display: flex; align-items: center; gap: 22px; }
.utility-bar a { color: #fff; text-decoration: none; }
.utility-bar button { padding: 0; border: 0; color: #fff; background: transparent; cursor: pointer; }
.utility-company { margin-left: auto; letter-spacing: .04em; }
.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid rgba(220,229,239,.85); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 34px; }
.brand { flex: 0 0 270px; width: 270px; height: 54px; overflow: hidden; color: transparent; background: url('../images/logo-mingjing-jing-seal.png') left center / contain no-repeat; font-size: 0; line-height: 0; text-decoration: none; animation: brand-logo-cycle 10s cubic-bezier(.2,.75,.25,1) infinite; }
.brand::after { display: none; }
.nav-toggle { position: relative; display: none; width: 46px; min-height: 44px; padding: 0; border: 1px solid var(--navy); color: var(--navy); background: #fff; overflow: hidden; font-size: 0; cursor: pointer; }
.nav-toggle::before, .nav-toggle::after { content: ""; position: absolute; top: 50%; left: 50%; width: 24px; height: 2px; background: currentColor; transform: translate(-50%,-50%); transition: transform .2s ease, box-shadow .2s ease; }
.nav-toggle::before { box-shadow: 0 -7px 0 currentColor, 0 7px 0 currentColor; }
.nav-toggle::after { opacity: 0; }
.nav-toggle[aria-expanded="true"]::before { box-shadow: none; transform: translate(-50%,-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"]::after { opacity: 1; transform: translate(-50%,-50%) rotate(-45deg); }
.nav-list { display: flex; align-items: center; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav-list a { position: relative; display: block; padding: 31px 0 27px; text-decoration: none; font-size: 15px; font-weight: 700; }
.nav-list a::after { content: ""; position: absolute; inset: auto 50% 20px; width: 0; height: 2px; background: var(--red); transition: width .2s ease, left .2s ease; }
.nav-list a:hover, .nav-list a:focus-visible, .nav-list a[aria-current="page"] { color: var(--blue); }
.nav-list a:hover::after, .nav-list a:focus-visible::after, .nav-list a[aria-current="page"]::after { left: 0; width: 100%; }
.header-phone { color: var(--navy); font-weight: 900; text-decoration: none; white-space: nowrap; }

.hero { position: relative; overflow: hidden; background: linear-gradient(120deg, #fff 0%, #f5f8fc 58%, #eaf2fb 100%); }
.hero::before { content: ""; position: absolute; inset: 0 50% 0 0; opacity: .33; background: linear-gradient(145deg, transparent 55%, rgba(13,111,220,.08)); clip-path: polygon(0 0,100% 0,70% 100%,0 100%); }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(500px, .94fr); align-items: stretch; min-height: 610px; }
.hero-copy { align-self: center; padding: 76px 48px 76px 0; position: relative; z-index: 1; }
.hero-media { margin: 0 calc((1180px - 100vw) / 2) 0 0; min-height: 610px; position: relative; background: #dfeaf5; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(245,248,252,.35), transparent 22%); pointer-events: none; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 58% center; }
.hero-media figcaption { position: absolute; right: 28px; bottom: 24px; z-index: 2; max-width: 350px; color: #fff; background: rgba(8,43,90,.88); padding: 11px 16px; font-size: 13px; }
.proof-bar { color: #fff; background: var(--navy-deep); }
.proof-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); }
.proof-grid article { padding: 30px 38px; border-right: 1px solid rgba(255,255,255,.13); }
.proof-grid article:last-child { border-right: 0; }
.proof-grid strong { display: block; color: #fff; font-size: 35px; line-height: 1.1; }
.proof-grid sup { margin-left: 2px; color: #68adff; font-size: .55em; }
.proof-grid p { margin: 8px 0 0; color: #b9cce3; font-size: 14px; }
.proof-grid [data-counter].is-complete { display: inline-block; animation: counter-pop .42s ease-out; }
h1, h2, h3 { color: var(--navy); line-height: 1.24; }
h1 { max-width: 780px; margin: 10px 0 22px; font-size: clamp(44px, 5vw, 68px); letter-spacing: -.04em; }
h2 { margin: 0 0 18px; font-size: clamp(30px, 3.5vw, 44px); letter-spacing: -.025em; }
h3 { margin: 0 0 12px; font-size: 21px; }
.lead { max-width: 720px; color: var(--muted); font-size: 19px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 11px 24px; border: 1px solid var(--navy); background: transparent; text-decoration: none; font-weight: 900; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(8,43,90,.14); }
.button-primary { color: #fff; background: var(--navy); }
.button-primary:hover, .button-primary:focus-visible { background: var(--blue); border-color: var(--blue); }
.button-secondary { color: var(--navy); background: #fff; }
.text-link { color: var(--blue); font-weight: 800; text-decoration-thickness: 1px; text-underline-offset: 4px; }

.section { padding: 92px 0; }
.section-soft { background: var(--wash); }
.section-dark { color: #dce8f7; background: var(--navy); }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-heading { max-width: 760px; margin-bottom: 42px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-dark .section-heading { margin-inline: auto; text-align: center; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.need-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.card { position: relative; border: 1px solid var(--line); padding: 32px; background: #fff; text-decoration: none; transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease; }
.card::before { display: none; }
.card::after { content: "→"; position: absolute; right: 26px; bottom: 23px; color: var(--blue); font-size: 22px; transition: transform .2s ease; }
.card:hover, .card:focus-visible { transform: translateY(-6px); border-color: #aac8ea; box-shadow: var(--shadow); }
.card:hover::after, .card:focus-visible::after { transform: translateX(4px); }
.card p, .service-card p, .timeline-item p { color: var(--muted); line-height: 1.65; }

.assurance-section { background: linear-gradient(135deg,#f4f8fd,#eaf2fb); }
.assurance-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px; }
.assurance-card { min-height: 290px; padding: 44px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.assurance-card > span { color: var(--blue); font-weight: 900; }
.assurance-card h3 { margin: 42px 0 12px; font-size: 34px; }
.assurance-card .text-link { display: inline-block; margin-top: 22px; }
.assurance-card-dark { color: #dce8f7; border-color: var(--navy); background: var(--navy); }
.assurance-card-dark h3 { color: #fff; }
.assurance-card-dark p { color: #b9cce3; }
.assurance-card-dark .text-link { color: #fff; }
.assurance-callout { display: flex; align-items: center; justify-content: space-between; gap: 52px; }
.assurance-callout > div:first-child { max-width: 760px; }
.refund-stamp { flex: 0 0 230px; min-height: 230px; display: grid; place-content: center; border: 2px solid var(--red); border-radius: 50%; color: var(--red); text-align: center; transform: rotate(-5deg); }
.refund-stamp strong { font-size: 38px; line-height: 1.1; }
.refund-stamp span { margin-top: 10px; font-weight: 900; line-height: 1.5; }

.platform-section { background: var(--navy-deep); }
.platform-section .container { display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: 72px; }
.platform-intro h2 { color: #fff; }
.platform-intro .lead { color: #b9cce3; }
.platform-intro .button { margin-top: 12px; color: var(--navy); border-color: #fff; background: #fff; }
.platform-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; }
.platform-mark { min-height: 96px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.18); border-radius: 8px; padding: 12px; color: #fff; background: rgba(255,255,255,.08); box-shadow: inset 0 3px var(--platform-accent, #68adff); font-size: 20px; font-weight: 900; letter-spacing: .04em; }
.platform-mark.tmall, .platform-mark.redbook { --platform-accent: #e53238; }
.platform-mark.taobao { --platform-accent: #ff5a18; }
.platform-mark.jd { --platform-accent: #d71920; }
.platform-mark.douyin, .platform-mark.laike { --platform-accent: #25f4ee; }
.platform-mark.pdd { --platform-accent: #e02e24; }
.platform-mark.meituan { --platform-accent: #ffd100; }

.partners-section { overflow: hidden; background: #fff; }
.partner-stage { min-height: 426px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); box-shadow: var(--shadow); }
.partner-group { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); }
.partner-group[hidden] { display: none; }
.partner-item { min-height: 142px; display: flex; flex-direction: column; justify-content: center; padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(145deg,#fff,#f8fbff); transform-origin: center; backface-visibility: hidden; transition: color .2s ease, background .2s ease, transform .22s ease, opacity .22s ease; }
.partner-item strong { color: var(--navy); font-size: 20px; line-height: 1.35; }
.partner-item span { margin-top: 10px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.partner-item:hover { z-index: 1; color: #fff; background: var(--navy); transform: translateY(-3px); }
.partner-item:hover strong, .partner-item:hover span { color: #fff; }
.partner-item.is-flip-out { opacity: 0; transform: perspective(900px) rotateY(90deg); }
.partner-item.is-flip-in { opacity: 0; transform: perspective(900px) rotateY(-90deg); transition: none; }

.trust-grid { display: grid; grid-template-columns: 1fr 1fr 1.15fr; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.trust-item { min-height: 210px; padding: 38px; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-kicker { color: var(--blue); font-size: 36px; font-weight: 900; line-height: 1; }
.trust-item h3 { margin-top: 28px; }
.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 0; }
.process-step { position: relative; min-height: 200px; display: flex; flex-direction: column; justify-content: center; padding: 36px 30px; border: 1px solid rgba(220,232,247,.18); border-right: 0; }
.process-step:last-child { border-right: 1px solid rgba(220,232,247,.18); }
.process-step h3 { margin: 0 0 12px; font-size: 23px; }
.process-step p { color: #b9cce3; }
.cta-band { position: relative; overflow: hidden; color: #dce8f7; background: linear-gradient(120deg, var(--navy-deep), var(--navy)); padding: 58px 0; }
.cta-band::after { content: ""; position: absolute; inset: -120px -60px auto auto; width: 330px; height: 330px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.cta-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; text-align: center; }
.cta-band h2 { max-width: 720px; margin-bottom: 8px; color: #fff; }
.cta-band p { margin: 0; }
.cta-band .actions { flex: 0 0 auto; margin: 0; }
.cta-band .button-primary { color: var(--navy); border-color: #fff; background: #fff; }
.cta-band .button-secondary { color: #fff; border-color: rgba(255,255,255,.55); background: transparent; }

.page-hero { position: relative; overflow: hidden; padding: 72px 0 58px; background: linear-gradient(120deg, #f7faff, #eaf3ff); }
.page-hero::after { content: ""; position: absolute; right: 8%; bottom: -122px; width: 330px; height: 330px; border: 1px solid rgba(13,111,220,.13); border-radius: 50%; }
.page-hero h1 { max-width: 1100px; font-size: clamp(42px, 4.5vw, 58px); }
.page-hero .lead { max-width: 820px; }
.scenario-list { display: grid; gap: 28px; }
.scenario { display: grid; grid-template-columns: 105px 1fr; gap: 42px; border-top: 1px solid var(--line); padding: 52px 0 26px; scroll-margin-top: 120px; }
.scenario:first-child { border-top: 0; padding-top: 0; }
.scenario-number { margin: 6px 0 0; color: var(--blue); font-size: 46px; font-weight: 900; line-height: 1; }
.scenario h2 { max-width: 760px; margin-top: 4px; }
.scenario h3 { margin: 26px 0 6px; font-size: 16px; }
.scenario p { max-width: 850px; }
.scenario .button { margin-top: 6px; }
.notice { border-left: 4px solid var(--red); padding: 20px 24px; background: #fff5f4; }

.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.service-grid-three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.service-grid-four { grid-template-columns: repeat(4,minmax(0,1fr)); }
.service-card { min-height: 250px; padding: 38px; border: 1px solid var(--line); background: #fff; }
.service-card .service-number { color: var(--blue); font-size: 13px; font-weight: 900; letter-spacing: .14em; }
.service-card h2 { margin: 0 0 20px; font-size: 30px; }
.service-card ul { margin: 22px 0 0; padding-left: 20px; color: var(--muted); }
.service-card .feature-line { color: var(--navy); font-size: 19px; font-weight: 900; }
.service-card-accent { color: #fff; border-color: var(--navy); background: var(--navy); }
.service-card-accent h2, .service-card-accent .feature-line { color: #fff; }
.service-card-accent p { color: #b9cce3; }
.timeline { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 22px; }
.timeline-item { position: relative; min-height: 220px; display: flex; flex-direction: column; justify-content: center; padding: 36px; border: 1px solid var(--line); background: #fff; }
.timeline-item h2 { margin: 0 0 14px; font-size: 26px; }
.section-dark .timeline-item h2 { color: var(--navy); }
.section-dark .timeline-item p { color: var(--muted); }
.content-stack { max-width: 900px; }
.content-stack > * + * { margin-top: 24px; }
.about-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.about-intro { position: sticky; top: 132px; }
.fact-list { border-top: 1px solid var(--line); }
.fact-row { display: grid; grid-template-columns: 190px 1fr; gap: 28px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.fact-row dt { color: var(--navy); font-weight: 900; }
.fact-row dd { margin: 0; }
.contact-layout { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 30px; align-items: stretch; }
.contact-panel { height: 100%; padding: 46px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.contact-block + .contact-block { margin-top: 38px; padding-top: 34px; border-top: 1px solid var(--line); }
.contact-phone { display: inline-block; margin: 4px 0 14px; color: var(--navy); font-size: 34px; font-weight: 900; text-decoration: none; }
.qr-panel { display: flex; flex-direction: column; justify-content: center; text-align: center; }
.qr-panel img { width: 260px; height: auto; margin: 22px auto 0; }

.legal-strip { border-top: 1px solid var(--line); background: #eef4fb; padding: 27px 0; color: #38516f; font-size: 13px; }
.site-footer { color: #bfd0e4; background: var(--navy-deep); padding: 58px 0 42px; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 58px; }
.footer-brand { color: #fff; font-size: 22px; font-weight: 900; }
.footer-title { color: #fff; font-weight: 800; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { text-decoration: none; }
.footer-bottom { margin-top: 38px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; }

.contact-rail { display: none; }
dialog { position: fixed; inset: 0; width: min(820px, calc(100% - 40px)); height: min(460px, calc(100vh - 48px)); height: min(460px, calc(100dvh - 48px)); max-height: none; overflow: hidden; border: 1px solid rgba(255,255,255,.18); border-radius: 20px; padding: 0; color: var(--ink); background: #fff; box-shadow: 0 36px 110px rgba(2,18,38,.38); }
dialog[open] { display: grid; grid-template-columns: minmax(0,52fr) minmax(0,48fr); animation: dialog-enter 220ms cubic-bezier(.2,.75,.25,1) both; }
dialog::backdrop { background: rgba(2,18,38,.74); backdrop-filter: blur(8px); }
dialog[open]::backdrop { animation: dialog-backdrop-enter 160ms ease-out both; }
.dialog-close { position: absolute; top: 20px; right: 20px; z-index: 3; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; color: var(--navy); background: rgba(255,255,255,.92); font-size: 22px; line-height: 1; cursor: pointer; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.dialog-close:hover, .dialog-close:focus-visible { color: #fff; border-color: var(--navy); background: var(--navy); }
.dialog-copy { position: relative; min-width: 0; overflow: hidden; display: grid; grid-template-rows: auto 1fr auto; margin: 0; padding: 48px; color: #dce8f7; background: radial-gradient(circle at 15% 10%, rgba(46,139,242,.28), transparent 36%), linear-gradient(140deg, var(--navy), var(--navy-deep)); }
.dialog-copy::after { content: ""; position: absolute; right: -110px; bottom: -150px; width: 310px; height: 310px; border: 1px solid rgba(255,255,255,.13); border-radius: 50%; box-shadow: 0 0 0 42px rgba(255,255,255,.025); }
.dialog-brand, .dialog-copy h2, .dialog-wechat-link { position: relative; z-index: 1; }
.dialog-brand { color: #fff; font-size: 15px; font-weight: 900; letter-spacing: .15em; }
.dialog-copy h2 { align-self: center; margin: 0; color: #fff; font-size: 44px; letter-spacing: -.03em; }
.dialog-wechat-link { width: 172px; min-height: 50px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; color: #fff; background: var(--blue); box-shadow: 0 14px 30px rgba(0,0,0,.16); text-decoration: none; font-weight: 900; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.dialog-wechat-link:hover, .dialog-wechat-link:focus-visible { transform: translateY(-2px); background: #2585eb; box-shadow: 0 18px 34px rgba(0,0,0,.2); }
.dialog-qr-panel { min-width: 0; display: grid; place-items: center; padding: 70px 44px 44px; background: radial-gradient(circle at 50% 46%, #fff 0 38%, #f5f8fc 78%); }
.dialog-qr { width: 264px; height: auto; aspect-ratio: 1; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: 0 18px 44px rgba(8,43,90,.14); }
.phone-dialog { width: min(560px, calc(100% - 40px)); height: min(320px, calc(100vh - 48px)); height: min(320px, calc(100dvh - 48px)); padding: 58px 48px 42px; color: #fff; text-align: center; background: radial-gradient(circle at 15% 5%, rgba(46,139,242,.32), transparent 40%), linear-gradient(140deg, var(--navy), var(--navy-deep)); }
.phone-dialog[open] { display: flex; flex-direction: column; align-items: center; justify-content: center; }
.phone-dialog .dialog-close { color: #fff; border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.1); }
.phone-dialog .dialog-close:hover, .phone-dialog .dialog-close:focus-visible { color: var(--navy); border-color: #fff; background: #fff; }
.phone-dialog-brand { position: absolute; top: 28px; left: 34px; color: #fff; font-size: 13px; font-weight: 900; letter-spacing: .15em; }
.phone-dialog h2 { margin: 6px 0 8px; color: #b9cce3; font-size: 20px; letter-spacing: .08em; }
.phone-number { margin: 0 0 24px; color: #fff; font-size: 46px; font-weight: 900; line-height: 1.2; letter-spacing: .06em; }
.phone-copy { min-width: 164px; min-height: 50px; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; color: #fff; background: var(--blue); box-shadow: 0 14px 30px rgba(0,0,0,.16); font-weight: 900; cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.phone-copy:hover, .phone-copy:focus-visible { transform: translateY(-2px); background: #2585eb; box-shadow: 0 18px 34px rgba(0,0,0,.2); }
.mobile-actions { position: fixed; inset: auto 0 0; z-index: 20; display: none; grid-template-columns: 1fr 1fr; background: #fff; box-shadow: 0 -8px 24px rgba(8,43,90,.14); }
.mobile-actions a, .mobile-actions button { min-width: 0; min-height: 56px; display: grid; place-items: center; padding: 0 12px; border: 0; background: #fff; color: var(--navy); text-align: center; white-space: nowrap; font-weight: 900; line-height: 1; }
.mobile-actions a { text-decoration: none; }
.mobile-actions .primary { color: #fff; background: var(--navy); }
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@keyframes counter-pop {
  50% { transform: scale(1.08); color: #68adff; }
}

@keyframes dialog-enter {
  from { opacity: 0; transform: translateY(12px) scale(.985); }
  to { opacity: 1; transform: none; }
}

@keyframes dialog-backdrop-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes logo-enter {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: none; }
}

@keyframes brand-logo-cycle {
  0%, 100% { opacity: 0; transform: translateX(-4px); }
  7%, 96% { opacity: 1; transform: translateX(0); }
}

@media (min-width: 881px) {
  .contact-rail { position: fixed; top: 50%; right: 0; z-index: 24; display: grid; width: 64px; overflow: hidden; border: 1px solid var(--line); border-right: 0; border-radius: 10px 0 0 10px; transform: translateY(-50%); box-shadow: 0 12px 30px rgba(8,43,90,.14); }
  .contact-rail a, .contact-rail button { min-height: 64px; padding: 8px; border: 0; border-bottom: 1px solid var(--line); color: var(--navy); background: #fff; font-weight: 900; cursor: pointer; }
  .contact-rail a { display: grid; place-items: center; text-decoration: none; }
  .contact-rail a:hover, .contact-rail a:focus-visible, .contact-rail button:hover, .contact-rail button:focus-visible { color: #fff; background: var(--blue); }
}

@media (max-width: 1120px) {
  .nav-list { gap: 18px; }
  .header-phone { display: none; }
  .hero-inner { grid-template-columns: minmax(0,.9fr) minmax(430px,1.1fr); }
  .need-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .service-grid-three, .service-grid-four { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 880px) {
  .container { width: min(calc(100% - 40px), var(--max)); }
  .utility-bar { display: none; }
  .header-inner { min-height: 66px; }
  .brand { flex-basis: min(220px, 56vw); width: min(220px, 56vw); height: 44px; font-size: 0; }
  .brand::after { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  [data-nav], .header-phone { display: none; }
  [data-nav][data-open] { position: absolute; display: block; inset: 66px 0 auto; border-top: 1px solid var(--line); background: #fff; box-shadow: 0 14px 24px rgba(8,43,90,.12); }
  [data-nav][data-open] .nav-list { display: flex; flex-direction: column; gap: 0; padding: 10px 20px 18px; }
  [data-nav][data-open] a { display: block; padding: 10px 0; }
  [data-nav][data-open] a::after { display: none; }
  .grid, .footer-grid, .service-grid, .timeline, .about-layout, .contact-layout, .assurance-grid, .service-grid-three, .service-grid-four { grid-template-columns: 1fr; }
  .need-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid article { padding: 24px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .proof-grid article:last-child { border-bottom: 0; }
  .partner-stage { min-height: 852px; }
  .partner-group { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .trust-grid, .process-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-item:last-child { border-bottom: 0; }
  .process-step { border-right: 1px solid rgba(220,232,247,.18); border-bottom: 0; }
  .process-step:last-child { border-bottom: 1px solid rgba(220,232,247,.18); }
  .scenario { grid-template-columns: 1fr; gap: 12px; }
  .hero-inner { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy { padding: 62px 0 48px; }
  .hero-media { min-height: 360px; margin-inline: -20px; }
  .hero-media img { object-position: 62% center; }
  .section { padding: 72px 0; }
  .cta-inner { align-items: flex-start; flex-direction: column; text-align: left; }
  .cta-band .actions { margin-top: 12px; }
  .about-intro { position: static; }
  .platform-section .container { grid-template-columns: 1fr; gap: 44px; }
  .platform-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .assurance-callout { align-items: flex-start; flex-direction: column; }
  .refund-stamp { flex-basis: 210px; width: 210px; min-height: 210px; }
  .fact-row { grid-template-columns: 1fr; gap: 6px; }
  .mobile-actions { display: grid; }
  .site-footer { padding-bottom: 94px; }
  dialog { width: min(348px, calc(100% - 24px)); height: min(560px, calc(100vh - 24px)); height: min(560px, calc(100dvh - 24px)); overflow: hidden; }
  dialog[open] { grid-template-columns: 1fr; grid-template-rows: 132px minmax(0,1fr); }
  .dialog-copy { grid-template-columns: 1fr; grid-template-rows: auto 1fr; align-items: end; min-height: 132px; overflow: visible; padding: 20px 22px; text-align: left; }
  .dialog-brand { grid-column: 1 / -1; align-self: start; padding-right: 48px; font-size: 12px; }
  .dialog-copy h2 { align-self: end; font-size: 30px; }
  .dialog-wechat-link { position: absolute; top: 156px; left: 24px; right: 24px; width: auto; min-height: 52px; padding: 10px 18px; }
  .dialog-qr-panel { grid-row: 2; padding: 92px 28px 28px; }
  .dialog-qr { width: min(240px, 100%); }
  .dialog-close { top: 14px; right: 14px; color: #fff; border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.1); }
  .dialog-close:hover, .dialog-close:focus-visible { color: var(--navy); border-color: #fff; background: #fff; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 560px) {
  .partner-stage { min-height: 1704px; }
  .partner-group { grid-template-columns: 1fr; }
}