:root {
  --ink: #102e34;
  --dark: #091e25;
  --muted: #5e6e6b;
  --mint: #bcf68a;
  --line: #dce4df;
  --paper: #f6f8f5;
  --content: 1240px;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 95px; }
body { margin: 0; min-width: 320px; }
body.modal-open, body.nav-open { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; }
a { text-decoration: none; color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
button, input { touch-action: manipulation; }
button { border: 0; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
p { font-size: 15px; line-height: 1.9; color: var(--muted); }
button:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid #4aa980; outline-offset: 5px; }
[hidden] { display: none !important; }
.container { width: min(var(--content), calc(100% - 112px)); margin-inline: auto; }
.section-space { padding-block: 100px; }
.skip-link { position: fixed; left: 12px; top: -100px; z-index: 100; padding: 12px 22px; background: var(--mint); color: var(--ink); }
.skip-link:focus { top: 12px; }
.site-header { height: 88px; position: absolute; top: 0; inset-inline: 0; z-index: 20; color: #fff; border-bottom: 1px solid #ffffff14; }
.header-inner { height: 100%; width: min(1424px, calc(100% - 88px)); margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand > img { width: 37px; height: 37px; object-fit: contain; }
.brand > span { font-size: 25px; font-weight: 750; letter-spacing: 2px; line-height: 1.25; }
.brand small { display: block; font-size: 13px; font-weight: 500; letter-spacing: .8px; line-height: 1.5; margin-top: 5px; white-space: nowrap; }
.site-header .brand small { color: #e1eee6; }
.site-footer .brand small { color: #486653; }
.nav-links { display: flex; align-items: center; gap: 38px; font-size: 13px; color: #c1cfcf; }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--mint); }
.header-actions { display: flex; gap: 14px; align-items: center; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 38px; min-height: 54px; padding: 15px 23px; background: var(--mint); border-radius: 5px; color: #173128; font-size: 14px; font-weight: 650; transition: background .2s, transform .2s; }
.button:hover { background: #d0ffa7; transform: translateY(-2px); }
.button > span { font-size: 21px; font-weight: 400; line-height: 1; }
.button-small { font-size: 13px; min-height: 39px; padding: 10px 17px; gap: 28px; }
.nav-toggle { display: none; background: transparent; padding: 9px; }
.nav-toggle span { width: 23px; height: 1px; display: block; background: currentColor; margin: 7px 0; transition: transform .2s; }
.hero { position: relative; isolation: isolate; color: #f4f9f5; background: var(--dark); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse at 75% 48%, #337e633d, transparent 54%), linear-gradient(110deg, transparent 45%, #102d2f70); }
.hero::after { content: ""; position: absolute; z-index: -1; inset: 0; opacity: .12; background-image: radial-gradient(#b3d8c8 1px, transparent 1px); background-size: 26px 26px; mask-image: linear-gradient(90deg, transparent 35%, #000); }
.hero-orbit { position: absolute; width: 920px; height: 920px; top: -110px; right: -130px; z-index: -1; border: 1px solid #c1f6a512; border-radius: 50%; }
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; border: inherit; border-radius: 50%; }
.hero-orbit::before { inset: 100px; }
.hero-orbit::after { inset: 200px; border-style: dashed; }
.hero-orbit-trace { position: absolute; inset: 100px; border-radius: 50%; opacity: .78; background: conic-gradient(from 10deg, transparent 0deg 270deg, #70b67d 326deg, #c5f8a6 354deg, transparent 360deg); mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px)); }
.hero-orbit-trace-inner { inset: 200px; opacity: .62; transform: rotate(155deg); background: conic-gradient(from 180deg, transparent 0deg 266deg, #6cae8b 326deg, #d2f7ad 354deg, transparent 360deg); }
.hero-inner { display: grid; grid-template-columns: 1.04fr 1fr; align-items: center; gap: 60px; min-height: 735px; padding-top: 160px; padding-bottom: 78px; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .7px; color: #4d6b5f; margin-bottom: 22px; display: flex; align-items: center; gap: 9px; }
.hero .eyebrow { color: #e0eee4; font-size: 14px; font-weight: 600; letter-spacing: .5px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; flex: 0 0 6px; background: #94da80; box-shadow: 0 0 0 4px #b7f88a0b; }
h1 { font-size: clamp(42px, 4.8vw, 72px); letter-spacing: -2px; line-height: 1.23; font-weight: 650; }
h1 > span { color: var(--mint); }
.hero-description { color: #cadbd6; font-size: 15px; line-height: 2; margin-top: 29px; }
.hero-actions { display: flex; align-items: center; gap: 31px; margin-top: 32px; }
.hero-actions .button { position: relative; overflow: hidden; box-shadow: 0 0 0 1px #dcffbb, 0 0 24px #b4f58240, 0 12px 32px #6dc97040; }
.hero-actions .button .button-label { position: relative; z-index: 1; font: inherit; }
.hero-actions .button > [aria-hidden] { position: relative; z-index: 1; }
.hero-actions .button::before { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 20%, #ffffff30 35%, #fffffff0 49%, #ffffff65 57%, transparent 80%); transform: translateX(-130%); pointer-events: none; }
.text-link { display: inline-flex; align-items: center; gap: 20px; background: transparent; font-size: 14px; padding: 9px 0; }
.text-link span { font-size: 20px; transition: transform .2s; }
.text-link:hover span { transform: translate(2px, -2px); }
.hero-actions .text-link { color: #e0ebe4; font-size: 14px; font-weight: 500; }
.hero-bottom { display: flex; align-items: center; gap: 18px; margin-top: 38px; color: #c9ddd1; font-size: 13px; font-weight: 500; letter-spacing: .3px; }
.hero-bottom i { width: 3px; height: 3px; background: #6a827a; border-radius: 50%; }
.hero-product { min-width: 0; position: relative; margin-right: -35px; }
.product-label { display: flex; align-items: center; gap: 10px; color: #e3eee6; font-size: 13px; font-weight: 500; letter-spacing: .3px; margin-bottom: 17px; }
.product-label small { font-size: 13px; color: #c4d9ca; letter-spacing: 0; }
.label-line { height: 1px; flex: 1; background: #b8d8c320; position: relative; overflow: hidden; }
.label-line::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 10%, #c6f49a 50%, transparent 90%); transform: translateX(-110%); }
.screenshot-button { padding: 0; display: block; width: 100%; position: relative; background: transparent; text-align: left; }
.hero-window { border: 1px solid #c8ebcb36; background: #f5f7f9; border-radius: 9px; overflow: hidden; box-shadow: 0 0 0 9px #ccf9b904, 0 30px 90px #0005; transform: perspective(1200px) rotateY(-7deg) rotateX(2deg); transition: transform .5s, box-shadow .5s; }
.hero-window:hover { transform: perspective(1200px) rotateY(-2deg); box-shadow: 0 0 0 9px #ccf9b90b, 0 30px 90px #0005; }
.hero-window img { width: 100%; }
.window-bar { display: flex; gap: 4px; height: 30px; padding: 0 12px; align-items: center; background: #edf2f1; color: #74827b; }
.window-bar > i { width: 5px; height: 5px; border-radius: 50%; background: #c0cec8; }
.window-bar > i:first-child { background: #88b497; }
.window-bar > span { margin-left: 10px; font-size: 13px; letter-spacing: .3px; color: #465e52; }
.window-bar b { margin-left: auto; font-size: 13px; font-weight: 400; }
.product-note { margin: 28px 8px 0; padding-left: 18px; border-left: 2px solid #c3f69970; display: grid; grid-template-columns: 1fr auto; gap: 7px; }
.product-note > span:first-child { color: #c9ddd0; font-size: 13px; font-weight: 500; letter-spacing: .3px; }
.product-note strong { font-size: 15px; font-weight: 500; grid-column: 1; letter-spacing: .3px; }
.product-note .note-arrow { grid-area: 1 / 2 / 3 / 3; align-self: center; font-size: 25px; color: var(--mint); }
.hero-foot { border-top: 1px solid #ffffff16; min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 13px; font-weight: 500; letter-spacing: .3px; color: #c8dbd0; }
.hero-foot > div { display: flex; align-items: center; gap: 24px; }
.hero-foot b { font-size: 22px; letter-spacing: -1px; font-weight: 650; color: #d6e1da; }
.hero-foot a { display: flex; gap: 20px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 35px; margin-bottom: 42px; }
h2 { font-size: clamp(29px, 3vw, 43px); line-height: 1.4; letter-spacing: -1px; font-weight: 600; }
.section-heading .eyebrow { margin-bottom: 17px; }
.heading-note { font-size: 14px; line-height: 2; padding-bottom: 6px; }
.question-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.question-grid > a { padding: 32px 32px 33px; position: relative; transition: background .25s; }
.question-grid > a + a { border-left: 1px solid var(--line); }
.question-grid > a:is(:hover, :focus-visible) { background: #eaf1e7; }
.question-grid > a:is(:hover, :focus-visible) .circle-arrow { color: #173a28; background: #d3edc7; border-color: #a7c99a; transform: translate(2px, -2px); }
.question-number { display: block; font-size: 13px; color: #5c705e; letter-spacing: 1px; margin-bottom: 23px; }
.question-grid h3 { font-size: 25px; font-weight: 550; line-height: 1.5; margin-bottom: 20px; }
.question-grid p { font-size: 14px; padding-right: 36px; }
.circle-arrow { position: absolute; right: 30px; bottom: 37px; width: 32px; height: 32px; border-radius: 50%; border: 1px solid #bfcfc3; display: grid; place-items: center; font-size: 19px; transition: background .2s, border-color .2s, transform .2s; }
.solutions { background: #eaf0e9; border-top: 1px solid #e2e9df; }
.screenshot-hint { color: #566f5b; font-size: 13px; display: flex; align-items: center; gap: 8px; margin-bottom: 8px; white-space: nowrap; }
.screenshot-hint .status-dot { background: #729c73; }
.solution-tabs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 5px; border-bottom: 1px solid #c5d4c5; margin-bottom: 35px; }
.solution-tabs button { background: transparent; padding: 17px 15px; text-align: left; font-size: 13px; color: #566a5c; border-bottom: 2px solid transparent; margin-bottom: -1px; display: flex; align-items: center; justify-content: space-between; transition: background .2s, color .2s; }
.solution-tabs button > span { opacity: 0; font-size: 18px; }
.solution-tabs button[aria-selected="true"] { border-color: #2d613f; color: #204e34; background: #dbe9d8; font-weight: 650; }
.solution-tabs button[aria-selected="true"] > span { opacity: 1; }
.solution-tabs button:hover { color: #204e34; background: #e0eadc; }
.solution-stage { background: var(--dark); color: #eef7ed; border-radius: 9px; overflow: hidden; }
.solution-panel { display: grid; grid-template-columns: .77fr 1.23fr; min-height: 590px; animation: panel-in .3s ease; }
.solution-copy { padding: 43px 38px 35px; }
.feature-number { display: block; font-size: 13px; color: #bdd9ad; letter-spacing: .7px; margin-bottom: 26px; }
.solution-copy h3 { font-size: 30px; font-weight: 500; line-height: 1.5; letter-spacing: -.5px; margin-bottom: 20px; }
.solution-copy > p { font-size: 14px; color: #bdd0c7; }
.solution-copy > .solution-lead { color: #d0dfd3; font-size: 14px; margin-bottom: 10px; }
.solution-copy ul { list-style: none; margin: 26px 0 0; padding: 0; }
.solution-copy li { display: flex; gap: 14px; margin-top: 17px; }
.solution-copy li > span { color: var(--mint); font-size: 16px; }
.solution-copy li strong { font-size: 13px; font-weight: 500; color: #d6e4d9; }
.solution-copy li p { font-size: 14px; color: #b5ccc1; margin-top: 2px; }
.solution-visual { align-self: stretch; padding: 29px 27px 29px 0; min-width: 0; display: flex; flex-direction: column; }
.screen-caption { display: flex; align-items: center; justify-content: space-between; color: #c7d8cf; font-size: 13px; letter-spacing: 1px; padding: 0 0 14px 2px; }
.screen-caption > span:last-child { color: #bfd4c5; font-size: 13px; }
.screen-caption b { margin-left: 10px; font-size: 13px; font-weight: 400; }
.screen-crop { flex: 1; min-height: 430px; overflow: hidden; border-radius: 5px; background: #f5f7fb; }
.screen-crop img { position: absolute; width: 100%; inset: 0 auto auto 0; min-height: 100%; object-fit: cover; object-position: top; transition: filter .25s; }
.screen-crop::after { position: absolute; content: ""; inset: 75% 0 0; background: linear-gradient(transparent, #10262335); pointer-events: none; }
.screen-crop:hover img { filter: brightness(.96); }
.view-full { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); border: 1px solid #d7e5d6; padding: 11px 17px; border-radius: 30px; background: #fff; font-size: 13px; color: #214335; z-index: 1; box-shadow: 0 4px 20px #102e3412; display: flex; gap: 24px; align-items: center; white-space: nowrap; }
.view-full > span { font-size: 16px; }
.detail-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.detail-card { min-width: 0; }
.detail-image { overflow: hidden; border: 1px solid #dde6db; border-radius: 6px; aspect-ratio: 1.4; background: #eaf0e9; }
.detail-image img { width: 100%; height: 100%; object-fit: cover; object-position: 78% 0; transition: transform .4s; }
.detail-image:hover img { transform: scale(1.035); }
.detail-image > span { position: absolute; right: 10px; bottom: 10px; width: 28px; height: 28px; display: grid; place-items: center; background: #f9fdf6ee; border-radius: 50%; font-size: 19px; }
.detail-copy { padding: 22px 1px 0; }
.detail-copy > span { font-size: 13px; letter-spacing: 1px; color: #53744e; }
.detail-copy h3 { font-size: 17px; line-height: 1.7; font-weight: 550; margin: 9px 0; }
.detail-copy p { font-size: 14px; }
.supply { background: #eaf0e9; }
.supply-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.supply-card { background: var(--paper); border: 1px solid #dbe5d8; border-radius: 7px; overflow: hidden; min-width: 0; }
.supply-copy { padding: 32px; }
.supply-copy .feature-number { color: #55734c; margin-bottom: 14px; }
.supply-copy h3 { font-size: 25px; font-weight: 550; margin-bottom: 14px; }
.supply-copy p { font-size: 14px; }
.journey, .region-tags { margin-top: 22px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 13px; color: #456746; }
.journey i { font-style: normal; color: #9cae97; }
.region-tags span { border: 1px solid #d9e3d4; padding: 3px 10px; border-radius: 3px; }
.supply-image { margin: 0 24px; width: calc(100% - 48px); height: 245px; overflow: hidden; border: 1px solid #dde5dc; border-bottom: 0; border-radius: 5px 5px 0 0; }
.supply-image img { width: 100%; transition: transform .4s; }
.supply-image:hover img { transform: scale(1.025); }
.image-corner { position: absolute; right: 12px; bottom: 14px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: #e1f6d6; }
.faq { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; }
.faq > div > p:not(.eyebrow) { font-size: 14px; margin: 20px 0 15px; }
.faq .text-link { border-bottom: 1px solid #9cad99; color: #315438; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; list-style: none; font-size: 14px; padding: 24px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { font-size: 22px; color: #6c846c; font-weight: 300; transition: transform .2s; }
.faq-list details[open] summary > span { transform: rotate(45deg); }
.faq-list details > p { font-size: 14px; padding: 0 28px 22px 0; }
.final-cta { background: var(--dark); color: #eef6ee; overflow: hidden; position: relative; isolation: isolate; }
.final-cta::after { content: ""; position: absolute; width: 650px; height: 650px; right: 0; top: -160px; z-index: -1; border: 1px solid #bcf68a15; border-radius: 50%; box-shadow: 0 0 0 70px #bcf68a05, 0 0 0 140px #bcf68a04; background: radial-gradient(#356d4d22, transparent 68%); }
.final-cta > .container { display: flex; align-items: center; justify-content: space-between; padding-block: 78px; gap: 40px; }
.final-cta .eyebrow { color: #b3ccac; }
.final-cta h2 { font-size: 39px; }
.final-cta p:not(.eyebrow) { font-size: 14px; color: #c0d5c7; margin-top: 22px; }
.final-cta .button { min-width: 208px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-block: 42px; }
.footer-top > span { font-size: 13px; color: #5c705b; letter-spacing: 1px; }
.footer-contacts { display: flex; align-items: center; gap: 24px; }
.footer-phone { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; font-size: 16px; letter-spacing: .5px; }
.footer-phone small { font-size: 12px; letter-spacing: .5px; color: #6e846d; }
.footer-phone-service { color: #315b3d; }
.footer-phone > span { margin-left: 15px; }
.footer-bottom { padding-block: 21px; border-top: 1px solid var(--line); font-size: 13px; color: #63725e; display: flex; justify-content: space-between; gap: 24px; }
dialog { margin: auto; color: var(--ink); border: 0; padding: 0; border-radius: 12px; box-shadow: 0 30px 120px #0005; }
dialog::backdrop { background: #03141dba; backdrop-filter: blur(8px); }
.dialog-close { background: transparent; font-size: 30px; font-weight: 300; width: 42px; height: 42px; line-height: 1; border-radius: 50%; z-index: 1; }
.dialog-close:hover { background: #9aa99d25; }
.contact-dialog { background: var(--paper); width: min(840px, calc(100% - 36px)); max-height: calc(100dvh - 36px); padding: 58px 50px; overflow: auto; }
.contact-dialog > .dialog-close { position: absolute; top: 13px; right: 13px; }
.contact-layout { display: grid; grid-template-columns: 1.35fr 1fr; gap: 45px; align-items: center; }
.contact-layout h2 { font-size: 35px; }
.contact-layout p:not(.eyebrow) { font-size: 14px; margin-top: 22px; }
.contact-phone-list { margin-top: 28px; }
.contact-phone { display: flex; align-items: center; justify-content: space-between; font-size: 22px; border-top: 1px solid var(--line); padding: 17px 0; }
.contact-phone + .contact-phone { margin-top: 0; }
.contact-phone span { display: flex; flex-direction: column; gap: 4px; }
.contact-phone small { font-size: 12px; color: #658064; letter-spacing: .5px; }
.contact-phone b { font-size: 20px; font-weight: 400; }
/* 两列等宽，分隔线独立定位，避免单侧内边距导致二维码和下方文字错位。 */
.qr-card { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 24px; background: #fff; border: 1px solid #e0e8dc; padding: 15px 12px 21px; border-radius: 7px; text-align: center; }
.qr-card::before { content: ""; position: absolute; top: 15px; bottom: 21px; left: 50%; width: 1px; background: #e0e8dc; }
.qr-block { display: flex; flex-direction: column; align-items: center; width: 100%; min-width: 0; }
.qr-block img { width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; margin-bottom: 16px; }
.qr-block strong { font-size: 13px; font-weight: 550; line-height: 1.5; white-space: nowrap; }
.qr-block span { font-size: 12px; line-height: 1.5; color: var(--muted); margin-top: 7px; white-space: nowrap; }
.qr-block a { font-size: 12px; line-height: 1.5; border-bottom: 1px solid #bbcfb6; margin-top: 13px; padding-bottom: 3px; }
.preview-dialog { width: min(1500px, calc(100% - 48px)); max-width: none; max-height: calc(100dvh - 48px); background: #f2f6f0; }
.preview-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 7px 14px 7px 22px; border-bottom: 1px solid var(--line); }
.preview-toolbar > span { font-size: 13px; min-width: 0; overflow-wrap: anywhere; }
.preview-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.preview-zoom { border: 1px solid #c7d8c0; border-radius: 4px; background: #e5f0df; padding: 8px 11px; font-size: 13px; }
.preview-scroll { max-height: calc(100dvh - 106px); overflow: auto; overscroll-behavior: contain; }
.preview-scroll img { width: 100%; height: auto; }
.preview-scroll img.is-zoomed { width: max(100%, 1680px); max-width: none; }
@keyframes panel-in { from { opacity: .35; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
@media (min-width: 1600px) { .hero-inner { min-height: 800px; gap: 80px; } .hero-product { margin-right: -70px; } }
@media (max-width: 1199px) {
  .container { width: calc(100% - 72px); }
  .header-inner { width: calc(100% - 64px); }
  .nav-links { gap: 25px; }
  .hero-inner { gap: 35px; min-height: 690px; }
  .hero-product { margin-right: -15px; }
  .hero-actions { gap: 20px; }
  .hero-actions .button { gap: 24px; }
  .solution-copy { padding: 32px 27px; }
  .solution-copy h3 { font-size: 25px; }
  .solution-panel { grid-template-columns: .85fr 1.15fr; }
  .solution-visual { padding-right: 20px; }
  .detail-grid { gap: 15px; }
  .detail-copy h3 { font-size: 15px; }
  .question-grid > a { padding-inline: 25px; }
  .circle-arrow { right: 19px; bottom: 30px; }
  .screenshot-hint { white-space: normal; max-width: 175px; line-height: 1.8; }
}
@media (max-width: 900px) {
  .hero-inner { gap: 28px; padding-top: 145px; padding-bottom: 65px; min-height: 650px; }
  h1 { font-size: 44px; }
  .hero-description { font-size: 14px; }
  .hero-actions { flex-wrap: wrap; gap: 12px; }
  .hero-product { margin-right: 0; }
  .product-label small { display: none; }
  .product-note strong { font-size: 14px; }
  .hero-foot > span { display: none; }
  .hero-foot > div { gap: 18px; }
  .nav-links { font-size: 13px; gap: 19px; }
  .header-inner { gap: 20px; }
  .brand > span { font-size: 22px; }
  .brand > img { width: 32px; height: 32px; }
  .button-small { gap: 14px; }
  .section-space { padding-block: 76px; }
  .section-heading { gap: 25px; }
  .heading-note { font-size: 14px; }
  .question-grid h3 { font-size: 22px; }
  .question-grid p { font-size: 14px; }
  .question-grid > a { padding: 28px 19px 62px; }
  .circle-arrow { right: 19px; bottom: 18px; width: 27px; height: 27px; }
  .solution-tabs button { font-size: 13px; padding: 15px 10px; }
  .solution-panel { grid-template-columns: .9fr 1.1fr; }
  .solution-copy { padding: 30px 23px; }
  .solution-copy h3 { font-size: 23px; }
  .solution-copy > .solution-lead { font-size: 14px; }
  .solution-copy > p { font-size: 14px; }
  .solution-copy li p { font-size: 14px; }
  .solution-visual { padding-right: 18px; }
  .detail-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
  .detail-image { aspect-ratio: 1.7; }
  .detail-copy h3 { font-size: 17px; }
  .supply-copy { padding: 26px 23px; }
  .supply-copy h3 { font-size: 21px; }
  .supply-copy p { font-size: 14px; }
  .supply-image { margin-inline: 15px; width: calc(100% - 30px); height: 190px; }
  .journey { gap: 9px; }
  .faq { gap: 38px; }
  .final-cta h2 { font-size: 32px; }
  .footer-top > span { display: none; }
  .footer-contacts { gap: 15px; }
  .footer-phone { font-size: 13px; }
  .footer-phone small { font-size: 11px; }
}
@media (max-width: 680px) {
  html { scroll-padding-top: 20px; }
  .container { width: calc(100% - 40px); }
  .section-space { padding-block: 62px; }
  .site-header { height: 76px; }
  .header-inner { width: calc(100% - 36px); gap: 15px; }
  .brand > span { font-size: 22px; }
  .brand small { letter-spacing: .5px; margin-top: 4px; }
  .brand > img { width: 31px; height: 31px; }
  .header-actions { gap: 12px; }
  .button-small { min-height: 36px; font-size: 13px; padding: 9px 12px; gap: 17px; }
  .button-small > span { font-size: 16px; }
  .nav-toggle { display: block; padding: 5px; }
  .nav-links { position: absolute; top: 75px; left: 0; right: 0; background: #102c32; display: none; padding: 20px 25px 28px; flex-direction: column; align-items: stretch; gap: 0; box-shadow: 0 25px 30px #0003; }
  .nav-links a { padding: 17px 4px; font-size: 14px; border-bottom: 1px solid #ffffff10; }
  body.nav-open .nav-links { display: flex; }
  body.nav-open .nav-toggle span:first-child { transform: translateY(4px) rotate(45deg); }
  body.nav-open .nav-toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .hero-inner { display: block; padding-top: 125px; padding-bottom: 35px; }
  .hero .eyebrow { font-size: 13px; letter-spacing: .3px; margin-bottom: 22px; }
  h1 { font-size: clamp(40px, 10.6vw, 64px); line-height: 1.25; letter-spacing: -1.5px; }
  .hero-description { font-size: 14px; line-height: 2; margin-top: 23px; }
  .hero-actions { margin-top: 25px; gap: 23px; flex-wrap: wrap; }
  .hero-actions .button { min-height: 50px; font-size: 14px; gap: 28px; padding: 13px 18px; }
  .hero-actions .text-link { font-size: 14px; gap: 10px; }
  .hero-bottom { margin-top: 25px; font-size: 13px; gap: 16px; }
  .hero-product { margin-top: 44px; }
  .hero-window { transform: none; }
  .hero-window:hover { transform: none; }
  .product-label { font-size: 13px; margin-bottom: 12px; }
  .product-label small { display: block; font-size: 13px; }
  .product-note { margin-top: 18px; }
  .product-note strong { font-size: 14px; }
  .hero-foot { min-height: 65px; font-size: 13px; letter-spacing: 0; flex-wrap: wrap; gap: 15px; padding-block: 20px; }
  .hero-foot > span { display: block; width: 100%; }
  .hero-foot > div { flex-wrap: wrap; }
  .hero-foot > div { gap: 12px; }
  .hero-foot b { font-size: 19px; }
  .hero-foot a { gap: 8px; white-space: nowrap; }
  .hero-orbit { width: 800px; height: 800px; top: 200px; right: -400px; }
  .section-heading { display: block; margin-bottom: 30px; }
  .eyebrow { font-size: 13px; letter-spacing: .5px; margin-bottom: 16px; }
  h2 { font-size: 29px; line-height: 1.45; letter-spacing: -.5px; }
  .heading-note { margin-top: 22px; font-size: 14px; }
  .question-grid { grid-template-columns: 1fr; border-bottom: 0; }
  .question-grid > a { display: grid; grid-template-columns: 1fr; align-items: start; gap: 14px; padding: 25px 24px; border-bottom: 1px solid var(--line); }
  .question-grid > a + a { border-left: 0; }
  .question-number { grid-column: 1 / -1; font-size: 13px; margin: 0; }
  .question-grid h3 { font-size: 22px; margin-bottom: 0; }
  .question-grid p { font-size: 14px; padding-top: 6px; padding-right: 0; }
  .circle-arrow { right: 24px; top: 21px; bottom: auto; width: 24px; height: 24px; font-size: 16px; }
  .screenshot-hint { max-width: none; margin-top: 19px; font-size: 13px; }
  .solution-tabs { grid-template-columns: repeat(3, 1fr); gap: 5px; border-bottom: 0; margin-bottom: 22px; }
  .solution-tabs button { border-bottom: 1px solid #c4d2c0; margin-bottom: 0; padding: 13px 10px; font-size: 13px; }
  .solution-tabs button[aria-selected="true"] { border-color: #53784f; }
  .solution-panel { grid-template-columns: 1fr; min-height: 0; }
  .solution-copy { padding: 29px 25px 25px; }
  .feature-number { margin-bottom: 19px; font-size: 13px; }
  .solution-copy h3 { font-size: 27px; margin-bottom: 15px; }
  .solution-copy > .solution-lead { font-size: 14px; }
  .solution-copy > p { font-size: 14px; }
  .solution-copy ul { margin-top: 22px; }
  .solution-copy li { margin-top: 13px; gap: 12px; }
  .solution-copy li p { font-size: 14px; }
  .solution-visual { padding: 0 16px 18px; }
  .screen-crop { flex: none; height: 350px; min-height: 0; }
  .screen-caption { padding: 0 6px 12px; }
  .detail-grid { gap: 25px 15px; }
  .detail-image { aspect-ratio: 1.2; }
  .detail-copy { padding-top: 16px; }
  .detail-copy > span { font-size: 13px; }
  .detail-copy h3 { font-size: 15px; line-height: 1.6; margin: 8px 0; }
  .detail-copy p { font-size: 14px; }
  .supply-grid { grid-template-columns: 1fr; gap: 22px; }
  .supply-copy { padding: 26px 24px; }
  .supply-copy h3 { font-size: 23px; }
  .supply-copy p { font-size: 14px; }
  .supply-image { height: 210px; margin-inline: 18px; width: calc(100% - 36px); }
  .journey { gap: 13px; }
  .faq { grid-template-columns: 1fr; gap: 29px; }
  .faq > div > p:not(.eyebrow) { margin: 14px 0 5px; }
  .faq-list summary { font-size: 14px; padding: 21px 0; }
  .faq-list details > p { font-size: 14px; }
  .final-cta > .container { display: block; padding-block: 56px; }
  .final-cta h2 { font-size: 29px; }
  .final-cta p:not(.eyebrow) { font-size: 14px; margin-top: 20px; }
  .final-cta .button { margin-top: 30px; min-width: 193px; min-height: 49px; font-size: 13px; }
  .footer-top { padding-block: 31px; gap: 15px; }
  .footer-contacts { width: 100%; justify-content: space-between; }
  .footer-phone { font-size: 13px; letter-spacing: 0; }
  .footer-phone > span { margin-left: 9px; }
  .footer-bottom { display: block; font-size: 13px; line-height: 2; padding-block: 18px; }
  .footer-bottom > a { display: block; }
  .contact-dialog { width: calc(100% - 28px); max-height: calc(100dvh - 28px); padding: 40px 26px 28px; }
  .contact-layout { grid-template-columns: 1fr; gap: 27px; }
  .contact-layout h2 { font-size: 29px; }
  .contact-layout p:not(.eyebrow) { font-size: 14px; margin-top: 16px; }
  .contact-phone-list { margin-top: 20px; }
  .contact-phone { font-size: 20px; padding: 15px 0; }
  .qr-card { width: 100%; margin: auto; padding: 10px 8px 15px; gap: 16px; }
  .qr-card::before { top: 10px; bottom: 15px; }
  .qr-block img { margin-bottom: 10px; }
  .qr-block strong { font-size: 12px; }
  .qr-block span, .qr-block a { font-size: 11px; }
  .preview-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 24px); border-radius: 7px; }
  .preview-toolbar { padding-left: 12px; }
  .preview-toolbar > span { font-size: 13px; min-width: 0; overflow-wrap: anywhere; }
  .preview-scroll { max-height: calc(100dvh - 82px); }
}
@media (max-width: 360px) {
  .header-actions { gap: 8px; }
  .button-small { gap: 12px; }
  .brand { gap: 7px; }
  .brand > span { font-size: 20px; }
  .hero-actions { gap: 16px; }
  .hero-actions .button { gap: 20px; }
  .hero-foot > div { gap: 9px; }
  .hero-foot > div > span { font-size: 13px; }
  .journey { gap: 10px; }
  .question-grid > a { gap: 14px; }
  .question-grid p { font-size: 14px; }
}
/* 首屏动效以缓慢位移为主，文字只入场一次；截图悬浮与原有透视互不覆盖。 */
@media (prefers-reduced-motion: no-preference) {
  .hero::before { animation: hero-glow 12s ease-in-out infinite alternate; }
  .hero-orbit::after { animation: hero-orbit-turn 120s linear infinite; }
  .hero-orbit-trace { animation: hero-orbit-turn 24s -6s linear infinite; }
  .hero-orbit-trace-inner { animation: hero-orbit-turn-inner 32s -17s linear infinite; }
  .label-line::after { animation: hero-line-flow 4.5s ease-in-out infinite; }
  .hero-actions .button { animation: demo-button-pulse 3.2s ease-in-out infinite; }
  .hero-actions .button::before { animation: demo-button-sheen 3.6s ease-in-out infinite; }
  .hero-actions .button > [aria-hidden] { animation: demo-arrow-nudge 3.8s ease-in-out infinite; }
  .hero-actions .button:is(:hover, :focus-visible),
  .hero-actions .button:is(:hover, :focus-visible)::before,
  .hero-actions .button:is(:hover, :focus-visible) > [aria-hidden] { animation-play-state: paused; }
  .hero-copy > * { animation: hero-enter .85s cubic-bezier(.2, .65, .3, 1) backwards; }
  .hero-copy > :nth-child(2) { animation-delay: .08s; }
  .hero-copy > :nth-child(3) { animation-delay: .16s; }
  .hero-copy > :nth-child(4) { animation-delay: .24s; }
  .hero-copy > :nth-child(5) { animation-delay: .32s; }
  .hero-product { animation: hero-enter 1.1s .18s cubic-bezier(.2, .65, .3, 1) backwards; }
  .hero-window { animation: hero-float 7s 1.3s ease-in-out infinite; }
  .hero-window:hover, .hero-window:focus-visible { animation-play-state: paused; }
  .hero.is-motion-paused::before,
  .hero.is-motion-paused .hero-orbit::after,
  .hero.is-motion-paused .hero-copy > *,
  .hero.is-motion-paused .hero-product,
  .hero.is-motion-paused .hero-window,
  .hero.is-motion-paused .hero-orbit-trace,
  .hero.is-motion-paused .label-line::after,
  body.modal-open .hero::before,
  body.modal-open .hero .hero-orbit::after,
  body.modal-open .hero .hero-copy > *,
  body.modal-open .hero .hero-product,
  body.modal-open .hero .hero-orbit-trace,
  body.modal-open .hero .label-line::after,
  body.modal-open .hero .hero-window,
  .hero.is-motion-paused .hero-actions .button,
  .hero.is-motion-paused .hero-actions .button::before,
  .hero.is-motion-paused .hero-actions .button > [aria-hidden],
  body.modal-open .hero .hero-actions .button,
  body.modal-open .hero .hero-actions .button::before,
  body.modal-open .hero .hero-actions .button > [aria-hidden] { animation-play-state: paused; }
}
@keyframes hero-enter {
  from { opacity: .55; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes hero-glow {
  from { transform: translate(-3%, -1%) scale(1.04); opacity: .7; }
  to { transform: translate(4%, 2%) scale(1.12); opacity: 1; }
}
@keyframes hero-orbit-turn {
  to { transform: rotate(360deg); }
}
@keyframes hero-orbit-turn-inner {
  from { transform: rotate(155deg); }
  to { transform: rotate(-205deg); }
}
@keyframes hero-line-flow {
  0%, 12% { transform: translateX(-110%); }
  85%, 100% { transform: translateX(110%); }
}
@keyframes hero-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -8px; }
}
/* 主按钮保留稳定位置，以低频光晕和扫光吸引注意，避免文字反复跳动。 */
@keyframes demo-button-pulse {
  0%, 100% { box-shadow: 0 0 0 1px #dcffbb, 0 0 0 0 rgb(188 246 138 / 0%), 0 0 24px rgb(180 245 130 / 25%), 0 12px 32px rgb(109 201 112 / 25%); }
  50% { box-shadow: 0 0 0 1px #efffdc, 0 0 0 10px rgb(188 246 138 / 15%), 0 0 38px rgb(180 245 130 / 50%), 0 14px 45px rgb(109 201 112 / 40%); }
}
@keyframes demo-button-sheen {
  0%, 15% { transform: translateX(-130%); }
  64%, 100% { transform: translateX(130%); }
}
@keyframes demo-arrow-nudge {
  0%, 65%, 100% { transform: translate(0, 0); }
  42% { transform: translate(3px, -3px); }
}
@media (max-width: 680px) and (prefers-reduced-motion: no-preference) {
  .hero-window { animation: hero-float-mobile 8s 1.3s ease-in-out infinite; }
  .hero-orbit::after { animation: none; }
}
@keyframes hero-float-mobile {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -3px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}