:root {
  --yellow: #ffe500;
  --yellow-soft: #fff8ad;
  --yellow-dark: #d6b900;
  --black: #151515;
  --text: #252525;
  --muted: #6f7175;
  --line: #e8e8e8;
  --soft: #f7f7f5;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 16px 45px rgba(22, 22, 22, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: #fff; font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.scroll-progress { position: fixed; z-index: 80; top: 0; left: 0; width: 0; height: 3px; background: var(--yellow); box-shadow: 0 0 14px rgba(255, 229, 0, .55); }

.site-header { position: sticky; z-index: 50; top: 0; height: 76px; border-bottom: 1px solid rgba(0, 0, 0, .05); background: rgba(255, 255, 255, .92); backdrop-filter: blur(14px); transition: box-shadow .3s ease; }
.site-header.scrolled { box-shadow: 0 8px 24px rgba(0, 0, 0, .06); }
.nav-wrap { display: flex; height: 100%; align-items: center; gap: 36px; }
.brand img { width: 174px; }
.main-nav { display: flex; margin-left: auto; gap: 30px; }
.main-nav a { position: relative; color: #4b4b4b; font-size: 14px; transition: color .25s; }
.main-nav a::after { position: absolute; right: 0; bottom: -10px; left: 0; height: 2px; content: ""; background: var(--yellow); transform: scaleX(0); transition: transform .25s; }
.main-nav a:hover, .main-nav a.active { color: #111; }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.nav-phone { display: flex; align-items: center; gap: 8px; color: #111; font-size: 15px; font-weight: 700; }
.nav-phone svg { width: 17px; }
.menu-toggle { display: none; }

.hero { position: relative; overflow: hidden; min-height: 690px; background: linear-gradient(135deg, #fff 0%, #fff 53%, #fbfaf1 100%); }
.hero-bg::before, .hero-bg::after { position: absolute; content: ""; border-radius: 50%; }
.hero-bg::before { top: -220px; right: -80px; width: 580px; height: 580px; border: 1px solid rgba(214, 185, 0, .16); animation: halo-drift 9s ease-in-out infinite; }
.hero-bg::after { top: -130px; right: -170px; width: 580px; height: 580px; border: 1px solid rgba(214, 185, 0, .1); animation: halo-drift 11s ease-in-out -3s infinite reverse; }
.hero-grid { display: grid; min-height: 690px; align-items: center; grid-template-columns: 1fr 1.07fr; gap: 54px; }
.eyebrow { margin: 0 0 17px; color: #a38b00; font-size: 12px; font-weight: 800; letter-spacing: 2px; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 22px; color: #111; font-size: clamp(46px, 4.4vw, 64px); font-weight: 800; line-height: 1.21; letter-spacing: -3px; }
h1 strong, h2 strong { font-weight: inherit; background: linear-gradient(transparent 67%, var(--yellow) 0); }
.hero-text { max-width: 590px; color: #666; font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; margin-top: 34px; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-width: 156px; height: 50px; padding: 0 21px; border: 1px solid #202020; border-radius: 7px; font-size: 15px; font-weight: 700; transition: transform .25s, background .25s, box-shadow .25s; }
.btn:hover { transform: translateY(-3px); }
.btn-primary { color: #111; border-color: var(--yellow); background: var(--yellow); box-shadow: 0 10px 23px rgba(230, 202, 0, .23); }
.btn-primary:hover { background: #ffeb27; }
.btn-ghost { background: #fff; }
.hero-proof { display: flex; margin-top: 56px; gap: 30px; }
.hero-proof span { color: #747474; font-size: 12px; }
.hero-proof b { display: block; margin-bottom: 5px; color: #1a1a1a; font-size: 23px; letter-spacing: -.5px; }
.hero-visual { position: relative; padding: 30px 0 0 20px; }
.hero-image { overflow: hidden; aspect-ratio: 1.57 / 1; border-radius: 18px; box-shadow: var(--shadow); }
.hero-image img { width: 100%; height: 100%; object-fit: cover; }
.hero-image::after { position: absolute; top: 8px; right: -20px; width: 190px; height: 190px; content: ""; border-radius: 50%; background: var(--yellow); z-index: -1; }
.hero-card { position: absolute; bottom: -33px; left: -12px; display: flex; align-items: center; gap: 12px; padding: 14px 19px; border: 1px solid #eee; border-radius: 10px; background: #fff; box-shadow: 0 13px 30px rgba(0, 0, 0, .12); animation: float-card 4.5s ease-in-out infinite; }
.hero-card b, .hero-card small { display: block; }
.hero-card b { color: #222; font-size: 14px; }
.hero-card small { margin-top: 4px; color: #8a8a8a; font-size: 11px; }
.pulse { width: 12px; height: 12px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 6px rgba(255, 229, 0, .2); animation: pulse-ring 2s ease-out infinite; }
.hero-tag { position: absolute; right: 12px; bottom: -19px; padding: 11px 15px; border-radius: 6px; color: #fff; background: #1c1c1c; font-size: 12px; animation: float-card 5s ease-in-out -1.2s infinite; }

.section { padding: 110px 0; }
.section-head { max-width: 650px; margin-bottom: 44px; }
.section-head.centered { margin-inline: auto; text-align: center; }
h2 { margin-bottom: 16px; color: #171717; font-size: clamp(32px, 3.5vw, 46px); line-height: 1.28; letter-spacing: -2px; }
.section-head p:last-child, .showcase-copy p, .about-copy p, .contact-copy > p { color: var(--muted); font-size: 15px; line-height: 1.9; }
.pain-section { background: var(--soft); }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pain-card { position: relative; overflow: hidden; min-height: 230px; padding: 24px; border: 1px solid #ededeb; border-radius: var(--radius); background: #fff; transition: transform .3s, box-shadow .3s, border-color .3s; }
.pain-card:hover { border-color: #e0d682; box-shadow: var(--shadow); transform: translateY(-7px); }
.card-no { position: absolute; top: 22px; right: 24px; left: auto; color: #e6e6e2; font-size: 34px; font-weight: 800; line-height: 1; }
.icon-box { display: flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 11px; color: #161616; background: var(--yellow); }
.icon-box svg { width: 25px; }
.pain-card h3 { margin: 25px 0 10px; color: #202020; font-size: 20px; }
.pain-card p { color: #787878; font-size: 14px; line-height: 1.85; }
.mode-bar { display: flex; margin-top: 20px; padding: 20px 26px; align-items: center; justify-content: space-between; border-radius: 10px; color: #fff; background: #1b1b1b; }
.mode-bar span { color: var(--yellow); font-size: 14px; font-weight: 700; }
.mode-bar div { display: flex; align-items: center; gap: 16px; }
.mode-bar b { font-size: 14px; }
.mode-bar i { width: 36px; height: 1px; background: #737373; }

.platforms { background: #fff; }
.platform-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.platform-grid div { position: relative; overflow: hidden; display: flex; min-height: 110px; padding: 13px 7px 10px; align-items: center; justify-content: center; flex-direction: column; border: 1px solid #ececec; border-radius: 12px; background: #fff; transition: transform .25s, border-color .25s, box-shadow .25s; }
.platform-grid div:hover { border-color: #dfd48a; box-shadow: 0 8px 22px rgba(0, 0, 0, .06); transform: translateY(-5px); }
.platform-grid img { width: 53px; height: 53px; border-radius: 11px; object-fit: cover; }
.platform-grid span { margin-top: 8px; color: #626262; font-size: 12px; }
.platform-more { margin: 20px 0 0; color: #999; font-size: 13px; text-align: center; }

.ai-search { overflow: hidden; background: #faf9f2; }
.ai-grid { display: grid; align-items: center; grid-template-columns: .95fr 1.05fr; gap: 64px; }
.ai-copy, .ai-proof { min-width: 0; }
.ai-copy > p:last-of-type { color: var(--muted); font-size: 15px; line-height: 1.9; }
.ai-feature-grid { display: grid; margin-top: 26px; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.ai-feature-grid article { position: relative; overflow: hidden; min-height: 178px; padding: 18px; border: 1px solid #e9e5c8; border-radius: 13px; background: #fff; transition: transform .25s ease, box-shadow .25s ease; }
.ai-feature-grid article:hover { box-shadow: var(--shadow); transform: translateY(-5px); }
.ai-feature-grid span { color: #c2a600; font-size: 12px; font-weight: 800; }
.ai-feature-grid h3 { margin: 18px 0 8px; color: #171717; font-size: 18px; }
.ai-feature-grid p { color: #777; font-size: 13px; line-height: 1.75; }
.ai-proof { position: relative; }
.ai-window { overflow: hidden; border: 1px solid #2e2e2e; border-radius: 18px; background: #171717; box-shadow: 0 22px 52px rgba(0, 0, 0, .18); }
.ai-window-bar { display: flex; height: 46px; padding: 0 18px; align-items: center; gap: 8px; color: #ddd; border-bottom: 1px solid #2e2e2e; }
.ai-window-bar span { width: 9px; height: 9px; border-radius: 50%; background: #4a4a4a; }
.ai-window-bar span:first-child { background: var(--yellow); }
.ai-window-bar b { margin-left: 8px; font-size: 13px; }
.ai-case-pages { position: relative; min-height: 610px; margin: 16px; overflow: hidden; border-radius: 12px; background: #f6f6f6; touch-action: pan-y; }
.ai-case-pages img { position: absolute; top: 50%; width: 30%; height: calc(100% - 24px); border-radius: 10px; opacity: 0; background: #fff; object-fit: contain; transform: translate(-50%, -50%) scale(.9); transition: opacity .45s ease, transform .45s ease, left .45s ease, filter .45s ease; pointer-events: none; }
.ai-case-pages img.previous { left: 15%; opacity: .62; filter: saturate(.82) brightness(.9); transform: translate(-50%, -50%) scale(.88); }
.ai-case-pages img.active { left: 50%; z-index: 2; width: 66%; opacity: 1; box-shadow: 0 12px 28px rgba(0, 0, 0, .16); transform: translate(-50%, -50%) scale(1); }
.ai-case-pages img.next { left: 85%; opacity: .62; filter: saturate(.82) brightness(.9); transform: translate(-50%, -50%) scale(.88); }
.ai-case-controls { display: flex; padding: 0 16px 13px; align-items: center; justify-content: center; gap: 14px; }
.ai-case-controls button { height: 34px; padding: 0 14px; border: 1px solid #3b3b3b; border-radius: 999px; color: #f4f4f4; background: #242424; cursor: pointer; transition: border-color .25s ease, color .25s ease, transform .25s ease; }
.ai-case-controls button:hover { border-color: var(--yellow); color: var(--yellow); transform: translateY(-2px); }
.ai-case-counter { min-width: 66px; color: #8e8e8e; font-size: 13px; text-align: center; }
.ai-case-counter b { color: var(--yellow); font-size: 18px; }
.ai-case-counter i { font-style: normal; }
.ai-case-dots { display: flex; padding: 0 16px 18px; justify-content: center; gap: 7px; }
.ai-case-dots button { width: 7px; height: 7px; padding: 0; border: 0; border-radius: 50%; background: #575757; cursor: pointer; transition: width .25s ease, border-radius .25s ease, background .25s ease; }
.ai-case-dots button.active { width: 24px; border-radius: 6px; background: var(--yellow); }
.ai-proof > p { margin: 16px 0 0; color: #777; font-size: 13px; text-align: center; }

.partner-fit { background: #fff; }
.fit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.fit-card { position: relative; overflow: hidden; min-height: 220px; padding: 24px; border: 1px solid #ececec; border-radius: 15px; background: #fff; transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
.fit-card:hover { border-color: #dfd48a; box-shadow: var(--shadow); transform: translateY(-6px); }
.fit-card span { color: #c2a600; font-size: 13px; font-weight: 800; }
.fit-card h3 { margin: 32px 0 12px; color: #171717; font-size: 20px; }
.fit-card p { color: #777; font-size: 14px; line-height: 1.85; }

.trust-section { color: #fff; background: #171717; }
.trust-grid { display: grid; align-items: center; grid-template-columns: .78fr 1.22fr; gap: 60px; }
.trust-copy .eyebrow { color: var(--yellow); }
.trust-copy h2 { color: #fff; }
.trust-copy p { color: #aaa; font-size: 15px; line-height: 1.9; }
.trust-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.trust-item { position: relative; overflow: hidden; min-height: 132px; padding: 22px; border: 1px solid #303030; border-radius: 14px; background: #202020; transition: border-color .25s ease, background .25s ease, transform .25s ease; }
.trust-item:hover { border-color: #655f35; background: #252525; transform: translateY(-5px); }
.trust-item b, .trust-item span { display: block; }
.trust-item b { margin-bottom: 12px; color: var(--yellow); font-size: 28px; line-height: 1.15; }
.trust-item span { color: #aaa; font-size: 14px; line-height: 1.75; }

.advantages { background: #171717; }
.advantages .eyebrow { color: var(--yellow); }
.advantages h2, .advantages .section-head p:last-child { color: #fff; }
.advantages .section-head p:last-child { opacity: .6; }
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.advantage-card { position: relative; overflow: hidden; min-height: 302px; padding: 27px; border: 1px solid #303030; border-radius: 15px; background: #202020; transition: background .25s, transform .25s, border-color .25s; }
.advantage-card:hover { border-color: #655f35; background: #252525; transform: translateY(-6px); }
.advantage-card.featured { border-color: var(--yellow); background: var(--yellow); }
.advantage-top { display: flex; align-items: center; justify-content: space-between; }
.advantage-top span { color: var(--yellow); font-size: 13px; font-weight: 700; }
.advantage-top svg { width: 28px; color: var(--yellow); }
.advantage-card h3 { margin: 30px 0 12px; color: #fff; font-size: 20px; }
.advantage-card p { color: #a9a9a9; font-size: 14px; line-height: 1.85; }
.advantage-card em { color: var(--yellow); font-size: 12px; font-style: normal; font-weight: 700; }
.advantage-card.featured .advantage-top span, .advantage-card.featured .advantage-top svg, .advantage-card.featured h3, .advantage-card.featured p, .advantage-card.featured em { color: #171717; }

.store-showcase { padding: 105px 0 120px; overflow: hidden; background: #faf9f2; }
.showcase-grid { display: grid; align-items: center; grid-template-columns: .8fr 1.2fr; gap: 60px; }
.showcase-copy h2 { font-size: 42px; }
.text-link { display: inline-flex; margin-top: 14px; align-items: center; gap: 8px; color: #202020; font-size: 15px; font-weight: 700; }
.text-link span { color: #b29800; font-size: 21px; transition: transform .25s; }
.text-link:hover span { transform: translateX(6px); }
.showcase-gallery { position: relative; padding-bottom: 45px; }
.gallery-main { aspect-ratio: 1.56 / 1; width: 100%; border-radius: 16px; object-fit: cover; box-shadow: var(--shadow); }
.gallery-sub { position: absolute; right: -25px; bottom: -18px; width: 37%; border: 8px solid #fff; border-radius: 13px; box-shadow: 0 10px 24px rgba(0, 0, 0, .1); }

.order-cases { overflow: hidden; background: #171717; }
.cases-grid { display: grid; align-items: center; grid-template-columns: 1fr .8fr; gap: 80px; }
.cases-copy .eyebrow { color: var(--yellow); }
.cases-copy h2 { color: #fff; }
.cases-copy p:last-of-type { max-width: 560px; color: #aaa; font-size: 15px; line-height: 1.9; }
.case-controls { display: flex; margin-top: 31px; align-items: center; gap: 17px; }
.case-arrow { display: flex; width: 48px; height: 48px; align-items: center; justify-content: center; border: 1px solid #424242; border-radius: 50%; color: #fff; background: #232323; cursor: pointer; transition: border-color .25s ease, color .25s ease, transform .25s ease; }
.case-arrow:hover { border-color: var(--yellow); color: var(--yellow); transform: translateY(-3px); }
.case-arrow svg { width: 20px; }
.case-counter { color: #898989; font-size: 14px; }
.case-counter b { color: var(--yellow); font-size: 24px; }
.case-counter i { font-style: normal; }
.iphone-stage { display: grid; justify-items: center; }
.iphone-shell { position: relative; width: min(320px, 72vw); padding: 11px; border: 2px solid #4f4f4f; border-radius: 52px; background: #080808; box-shadow: 0 23px 55px rgba(0, 0, 0, .42); outline: 0; transition: transform .35s ease, box-shadow .35s ease; touch-action: pan-y; }
.iphone-shell:hover, .iphone-shell:focus-visible { box-shadow: 0 28px 64px rgba(0, 0, 0, .52); transform: translateY(-7px); }
.iphone-screen { position: relative; overflow: hidden; aspect-ratio: 9 / 19.5; border-radius: 41px; background: #f4f4f4; }
.iphone-island { position: absolute; z-index: 3; top: 12px; left: 50%; width: 91px; height: 24px; border-radius: 20px; background: #090909; transform: translateX(-50%); }
.iphone-side { position: absolute; width: 3px; border-radius: 3px; background: #5a5a5a; }
.iphone-side-left { top: 117px; left: -5px; height: 72px; }
.iphone-side-right { top: 143px; right: -5px; height: 88px; }
.case-track { position: relative; width: 100%; height: 100%; }
.case-slide { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; background: #f5f5f5; object-fit: contain; transform: translateX(18%); transition: opacity .38s ease, transform .38s ease; }
.case-slide.active { opacity: 1; transform: translateX(0); }
.case-dots { display: flex; margin-top: 22px; gap: 8px; }
.case-dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: #555; cursor: pointer; transition: width .25s ease, border-radius .25s ease, background .25s ease; }
.case-dots button.active { width: 26px; border-radius: 5px; background: var(--yellow); }

.process { position: relative; overflow: hidden; }
.process-grid { position: relative; z-index: 2; display: grid; margin-top: 60px; grid-template-columns: repeat(3, 1fr); gap: 74px; }
.process-item { position: relative; text-align: center; }
.process-item > span { color: #eee; font-size: 60px; font-weight: 800; line-height: 1; }
.process-icon { display: flex; width: 68px; height: 68px; margin: -22px auto 20px; align-items: center; justify-content: center; border: 8px solid #fff; border-radius: 50%; color: #111; background: var(--yellow); box-shadow: 0 5px 18px rgba(0, 0, 0, .08); transition: transform .3s ease, box-shadow .3s ease; }
.process-item:hover .process-icon { box-shadow: 0 9px 22px rgba(214, 185, 0, .23); transform: translateY(-5px) scale(1.06); }
.process-icon svg { width: 25px; }
.process-item h3 { margin-bottom: 10px; font-size: 20px; }
.process-item p { max-width: 260px; margin: auto; color: #818181; font-size: 14px; line-height: 1.8; }
.process-line { position: absolute; z-index: 1; top: 310px; left: 50%; display: flex; width: min(610px, 60%); justify-content: space-between; border-top: 1px dashed #d6d6d6; transform: translateX(-50%); }

.faq { background: #171717; }
.faq .eyebrow { color: var(--yellow); }
.faq h2 { color: #fff; }
.faq .section-head p:last-child { color: #aaa; }
.faq-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.faq-item { overflow: hidden; border: 1px solid #303030; border-radius: 11px; background: #202020; transition: border-color .25s ease, background .25s ease, transform .25s ease; }
.faq-item:hover { border-color: #615b31; transform: translateY(-3px); }
.faq-item[open] { border-color: #5b552c; background: #252525; }
.faq-item summary { position: relative; padding: 19px 54px 19px 20px; color: #fff; cursor: pointer; font-size: 15px; font-weight: 700; line-height: 1.55; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before, .faq-item summary::after { position: absolute; top: 50%; right: 21px; width: 14px; height: 2px; content: ""; background: var(--yellow); transition: transform .25s ease; }
.faq-item summary::after { transform: rotate(90deg); }
.faq-item[open] summary::after { transform: rotate(0); }
.faq-item p { margin: 0; padding: 0 20px 19px; color: #aaa; font-size: 14px; line-height: 1.85; }

.about { background: var(--soft); }
.about-grid { display: grid; align-items: center; grid-template-columns: 1.02fr .98fr; gap: 70px; }
.about-image { position: relative; padding: 0 28px 30px 0; }
.about-image img { position: relative; z-index: 1; aspect-ratio: 4 / 3; width: 100%; border-radius: 16px; object-fit: cover; box-shadow: var(--shadow); }
.about-image::after { position: absolute; right: 0; bottom: 0; width: 80%; height: 82%; content: ""; border-radius: 16px; background: var(--yellow); }
.about-image div { position: absolute; z-index: 2; right: 0; bottom: 0; padding: 14px 20px; border-radius: 9px 0 9px 0; color: #171717; background: var(--yellow); }
.about-image b, .about-image span { display: block; }
.about-image b { font-size: 31px; }
.about-image span { font-size: 12px; }
.about-stats { display: grid; margin-top: 22px; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.about-stats span { padding: 13px 12px; border-radius: 9px; color: #666; background: #fff; font-size: 12px; transition: transform .25s ease, box-shadow .25s ease; }
.about-stats span:hover { box-shadow: 0 8px 20px rgba(0, 0, 0, .07); transform: translateY(-4px); }
.about-stats b { display: block; margin-bottom: 3px; color: #171717; font-size: 22px; line-height: 1.1; }
.about-values { display: flex; margin-top: 23px; gap: 10px; }
.about-values span { padding: 8px 12px; border: 1px solid #ddd; border-radius: 30px; color: #555; background: #fff; font-size: 12px; }

.contact { padding: 80px 0; color: #fff; background: #171717; }
.contact-grid { display: grid; align-items: center; grid-template-columns: 1fr auto; gap: 70px; }
.contact h2 { color: #fff; }
.contact-copy > p { max-width: 700px; color: #aaa; }
.contact-phone { display: inline-block; margin-top: 20px; }
.contact-phone small, .contact-phone strong { display: block; }
.contact-phone small { margin-bottom: 4px; color: var(--yellow); font-size: 13px; }
.contact-phone strong { color: var(--yellow); font-size: 42px; letter-spacing: 1px; }
.address { margin: 22px 0 0 !important; font-size: 13px !important; }
.qr-wrap { display: flex; gap: 14px; }
.qr-card { padding: 10px 10px 12px; border-radius: 8px; color: #ddd; background: #fff; text-align: center; }
.qr-card img { width: 118px; height: 118px; object-fit: cover; }
.qr-card span { display: block; margin-top: 8px; color: #555; font-size: 12px; }
.cooperation-contacts { margin-top: 64px; padding-top: 52px; border-top: 1px solid #303030; }
.cooperation-head { margin-bottom: 24px; }
.cooperation-head h2 { margin-bottom: 7px; font-size: 30px; }
.cooperation-head > p:last-child { color: #aaa; font-size: 14px; }
.cooperation-qr-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; }
.cooperation-qr-card { position: relative; padding: 11px 11px 13px; border-radius: 9px; background: #fff; text-align: center; transition: transform .3s ease, box-shadow .3s ease; will-change: transform; }
.cooperation-qr-card:hover { box-shadow: 0 12px 25px rgba(0, 0, 0, .28); transform: translateY(-7px); }
.cooperation-qr-card img { display: block; aspect-ratio: 1 / 1; width: 100%; object-fit: cover; }
.cooperation-qr-card span { display: block; margin-top: 9px; color: #333; font-size: 14px; font-weight: 700; }

.footer { padding: 20px 0; border-top: 1px solid #292929; color: #999; background: #171717; }
.footer-wrap { display: flex; align-items: center; gap: 26px; }
.footer img { width: 120px; filter: invert(1) grayscale(1) brightness(4); opacity: .76; }
.footer p, .footer a { margin: 0; font-size: 12px; }
.footer a { margin-left: auto; color: #bbb; }
.mobile-call { display: none; }
.glow-card::before { position: absolute; inset: 0; z-index: 0; content: ""; background: radial-gradient(circle at var(--glow-x, 50%) var(--glow-y, 50%), rgba(255, 229, 0, .18), transparent 34%); opacity: 0; pointer-events: none; transition: opacity .25s ease; }
.glow-card:hover::before { opacity: 1; }
.glow-card > * { position: relative; z-index: 1; }
.glow-card > .card-no { position: absolute; z-index: 1; }
.back-top { position: fixed; z-index: 90; right: 22px; bottom: 86px; display: flex; width: 46px; height: 46px; align-items: center; justify-content: center; border: 0; border-radius: 50%; color: #111; background: var(--yellow); box-shadow: 0 8px 22px rgba(0, 0, 0, .18); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .25s ease, transform .25s ease; }
.back-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-top svg { width: 20px; }

.reveal { opacity: 1; transform: translateY(0); }
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal-delay { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .22s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes halo-drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-18px, 16px, 0) scale(1.04); }
}

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse-ring {
  0%, 100% { box-shadow: 0 0 0 5px rgba(255, 229, 0, .2); }
  50% { box-shadow: 0 0 0 10px rgba(255, 229, 0, .04); }
}

/* 招商经理二维码脉冲动画 */
@keyframes qr-pulse {
  0% {
    z-index: 1;
    transform: scale(1);
    box-shadow: 0 0 0 rgba(255, 229, 0, 0), 0 8px 18px rgba(0, 0, 0, .12);
  }
  45% {
    z-index: 3;
    transform: scale(1.16);
    box-shadow: 0 0 0 8px rgba(255, 229, 0, .22), 0 18px 34px rgba(0, 0, 0, .3);
  }
  100% {
    z-index: 1;
    transform: scale(1);
    box-shadow: 0 0 0 18px rgba(255, 229, 0, 0), 0 8px 18px rgba(0, 0, 0, .12);
  }
}
.cooperation-qr-card.qr-pulse-active {
  animation: qr-pulse 1.15s ease-in-out;
}

@media (max-width: 980px) {
  .main-nav { gap: 18px; }
  .hero-grid { gap: 30px; }
  .hero-proof { gap: 18px; }
  .platform-grid { grid-template-columns: repeat(6, 1fr); }
  .about-grid { gap: 35px; }
}


@media (max-width: 760px) {
  .container { width: min(100% - 32px, 620px); }
  .site-header { height: 66px; }
  .brand img { width: 144px; }
  .menu-toggle { display: flex; width: 32px; height: 32px; margin-left: auto; padding: 5px; align-items: center; justify-content: center; flex-direction: column; gap: 4px; border: 0; background: transparent; }
  .menu-toggle span { display: block; width: 19px; height: 2px; background: #222; transition: transform .25s, opacity .25s; }
  .menu-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle.active span:nth-child(2) { opacity: 0; }
  .menu-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .main-nav { position: absolute; top: 66px; right: 0; left: 0; display: none; margin: 0; padding: 8px 16px 16px; border-bottom: 1px solid #eee; background: rgba(255, 255, 255, .98); }
  .main-nav.open { display: grid; }
  .main-nav a { padding: 12px 0; }
  .nav-phone { display: none; }
  .hero { min-height: auto; padding: 64px 0 92px; }
  .hero-grid { display: block; min-height: 0; }
  h1 { font-size: 41px; letter-spacing: -2px; }
  .hero-text { font-size: 15px; line-height: 1.8; }
  .hero-actions { margin-top: 27px; }
  .btn { min-width: 0; height: 47px; padding: 0 16px; font-size: 14px; }
  .hero-proof { margin-top: 39px; gap: 13px; }
  .hero-proof span { flex: 1; font-size: 10px; }
  .hero-proof b { font-size: 18px; }
  .hero-visual { margin-top: 35px; padding: 0; }
  .hero-image { aspect-ratio: 1.57 / 1; border-radius: 12px; }
  .hero-image::after { display: none; }
  .hero-card { bottom: -31px; left: 10px; padding: 11px 13px; }
  .hero-tag { display: none; }
  .section { padding: 75px 0; }
  h2 { font-size: 31px; letter-spacing: -1px; }
  .section-head { margin-bottom: 30px; }
  .pain-grid, .advantage-grid, .process-grid, .about-grid, .contact-grid, .showcase-grid { grid-template-columns: 1fr; gap: 14px; }
  .pain-card { min-height: 0; padding: 22px; }
  .pain-card h3 { margin-top: 19px; }
  .mode-bar { display: block; padding: 17px; }
  .mode-bar div { margin-top: 14px; gap: 9px; }
  .mode-bar b { font-size: 12px; }
  .mode-bar i { width: 18px; }
  .platforms { padding-bottom: 65px; }
  .platform-grid { grid-template-columns: repeat(5, 1fr); gap: 7px; }
  .platform-grid div { min-height: 82px; padding: 8px 2px 7px; border-radius: 8px; }
  .platform-grid img { width: 40px; height: 40px; border-radius: 8px; }
  .platform-grid span { margin-top: 6px; font-size: 10px; }
  .ai-grid { grid-template-columns: 1fr; gap: 30px; }
  .ai-feature-grid { grid-template-columns: 1fr; gap: 9px; }
  .ai-feature-grid article { min-height: 0; padding: 16px; }
  .ai-feature-grid h3 { margin-top: 12px; }
  .ai-case-pages { min-height: 520px; margin: 12px; }
  .ai-case-pages img { width: 34%; height: calc(100% - 18px); }
  .ai-case-pages img.active { width: 74%; }
  .ai-case-controls { padding-inline: 12px; }
  .fit-grid, .trust-grid, .trust-list { grid-template-columns: 1fr; gap: 10px; }
  .fit-card { min-height: 0; padding: 20px; }
  .fit-card h3 { margin-top: 22px; }
  .trust-list { margin-top: 8px; }
  .trust-item { min-height: 0; padding: 19px; }
  .trust-item b { font-size: 24px; }
  .advantage-card { min-height: auto; padding: 22px; }
  .advantage-card h3 { margin-top: 22px; }
  .store-showcase { padding: 70px 0 88px; }
  .showcase-copy h2 { font-size: 31px; }
  .showcase-gallery { margin-top: 15px; padding-bottom: 26px; }
  .gallery-main { aspect-ratio: 1.56 / 1; }
  .gallery-sub { right: -5px; bottom: -10px; width: 41%; border-width: 5px; }
  .cases-grid { grid-template-columns: 1fr; gap: 36px; }
  .cases-copy p:last-of-type { font-size: 14px; }
  .case-controls { margin-top: 23px; }
  .case-arrow { width: 44px; height: 44px; }
  .iphone-shell { width: min(290px, 78vw); border-radius: 46px; }
  .iphone-screen { border-radius: 36px; }
  .process-grid { margin-top: 45px; gap: 35px; }
  .process-line { display: none; }
  .process-item > span { font-size: 50px; }
  .process-icon { width: 61px; height: 61px; margin-top: -20px; }
  .faq-list { grid-template-columns: 1fr; gap: 9px; }
  .faq-item summary { padding: 17px 49px 17px 17px; font-size: 14px; }
  .faq-item summary::before, .faq-item summary::after { right: 18px; }
  .faq-item p { padding: 0 17px 17px; font-size: 13px; }
  .about-image { padding: 0 14px 18px 0; }
  .about-image img { aspect-ratio: 4 / 3; }
  .about-copy { margin-top: 23px; }
  .contact { padding: 66px 0 80px; }
  .contact-phone strong { font-size: 34px; }
  .qr-wrap { margin-top: 20px; }
  .qr-card { flex: 1; }
  .qr-card img { width: 100%; height: auto; }
  .cooperation-contacts { margin-top: 45px; padding-top: 37px; }
  .cooperation-head h2 { font-size: 27px; }
  .cooperation-qr-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .footer-wrap { display: block; text-align: center; }
  .footer img { width: 112px; margin: auto auto 10px; }
  .footer p { margin-bottom: 8px; }
  .mobile-call { position: fixed; z-index: 45; right: 16px; bottom: 18px; display: flex; height: 52px; padding: 0 16px; align-items: center; gap: 7px; border-radius: 30px; color: #111; background: var(--yellow); box-shadow: 0 6px 20px rgba(0, 0, 0, .18); font-size: 14px; font-weight: 700; }
  .mobile-call svg { width: 19px; }
  .back-top { right: 16px; bottom: 78px; }
}


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