:root {
  --red: #f8444f;
  --ink: #171c24;
  --muted: #59616d;
  --paper: #ffffff;
  --cloud: #f2f4f7;
  --line: #dce0e6;
  --red-soft: #fcebe8;
  --red-deep: #d92f3b;
  --display: "Avenir Next", "Hiragino Sans GB", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body: "Hiragino Sans GB", "PingFang SC", "Microsoft YaHei", sans-serif;
  --latin: "Avenir Next", "Helvetica Neue", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid #2463a3; outline-offset: 6px; }
.hero a:focus-visible, .contact-section a:focus-visible { outline-color: var(--ink); }
.site-footer a:focus-visible { outline-color: #fff; }
img { display: block; max-width: 100%; }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; }
h2 { font-size: clamp(34px, 3.45vw, 50px); letter-spacing: -.055em; line-height: 1.3; }
.svg-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; flex-shrink: 0; stroke-linecap: round; stroke-linejoin: round; }
.shell { width: min(1280px, calc(100% - 112px)); margin: 0 auto; }
.section { padding: 112px 0; }
.eyebrow { font-family: var(--latin), var(--body); font-size: 12px; font-weight: 600; letter-spacing: .075em; }
.section-eyebrow { display: flex; gap: 18px; align-items: center; margin-bottom: 24px; }
.section-no { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.red-dot { color: var(--red); }
.skip-link { position: fixed; top: 12px; left: 12px; transform: translateY(-180%); z-index: 100; background: var(--ink); color: #fff; padding: 12px 24px; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 30; background: #f7f9fb; border-bottom: 1px solid rgba(23,28,36,.08); }
.header-inner { height: 82px; display: flex; align-items: center; }
.brand { flex-shrink: 0; }
.brand img { width: 138px; height: auto; }
.desktop-nav { display: flex; align-items: center; gap: 42px; margin-left: auto; }
.desktop-nav a { position: relative; display: flex; align-items: center; height: 82px; font-size: 14px; font-weight: 500; }
.desktop-nav a::after { position: absolute; bottom: 17px; left: 0; right: 0; height: 2px; background: var(--red); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.desktop-nav a[aria-current="page"]::after, .desktop-nav a:hover::after { transform: scaleX(1); }
.header-contact { display: flex; align-items: center; gap: 25px; margin-left: 50px; padding: 10px 19px; border: 1px solid var(--line); border-radius: 3px; font-size: 13px; font-weight: 600; transition: background .2s, border-color .2s; }
.header-contact .icon { width: 18px; height: 18px; }
.header-contact:hover { background: var(--cloud); border-color: var(--ink); }
.mobile-nav { display: none; }

/* 三页页头统一对齐：logo 对首屏左侧内容，最右按钮对首屏右边缘 */
.header-aligned .header-inner {
  width: auto;
  margin-left: max(56px, calc((100vw - 1280px) / 2));
  margin-right: 24px;
}
@media (min-width: 1801px) {
  .header-aligned .header-inner {
    margin-left: calc((100vw - 1800px) / 2 + 88px);
    margin-right: calc((100vw - 1800px) / 2 + 24px);
  }
}
@media (max-width: 1199px) {
  .header-aligned .header-inner { margin-left: 36px; margin-right: 20px; }
}
@media (max-width: 899px) {
  .header-aligned .header-inner { margin-left: 36px; margin-right: 24px; }
}
@media (max-width: 599px) {
  .header-aligned .header-inner { margin-left: 20px; margin-right: 14px; }
}

.hero { background: #f7f9fb; }
.hero-main { display: grid; grid-template-columns: 55% 45%; min-height: 610px; max-width: 1800px; margin: 0 auto; }
.hero-copy { padding: 87px 24px 70px max(56px, calc((100vw - 1280px) / 2)); align-self: center; }
.hero-eyebrow { font-size: 12px; letter-spacing: .055em; display: flex; align-items: center; gap: 10px; margin-bottom: 50px; color: var(--muted); }
.tiny-mark { width: 7px; height: 7px; background: currentColor; display: inline-block; flex-shrink: 0; }
.hero-eyebrow .tiny-mark { background: var(--red); }
.claim { letter-spacing: -.045em; line-height: 1.2; }
.claim > span { display: block; }
.claim-intro { font-size: 20px; font-weight: 500; margin-bottom: 19px; letter-spacing: .025em; }
.claim-core { color: var(--red); font-size: clamp(34px, 4.05vw, 63px); font-weight: 600; line-height: 1.2; white-space: nowrap; letter-spacing: -.065em; }
.claim-subject { color: var(--ink); font-size: clamp(25px, 2.7vw, 40px); margin-top: 13px; font-weight: 600; }
.claim-result { font-size: clamp(17px, 1.6vw, 23px); font-weight: 500; margin-top: 28px; letter-spacing: -.03em; line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 37px; flex-wrap: wrap; }
.button { min-height: 52px; display: inline-flex; justify-content: space-between; align-items: center; gap: 28px; padding: 12px 21px; font-size: 14px; border-radius: 3px; font-weight: 500; transition: background .2s, transform .2s; }
.button-red { background: var(--red); color: var(--ink); font-weight: 600; }
.button-red:hover { transform: translateY(-2px); }
.text-link { display: inline-flex; align-items: center; gap: 17px; font-size: 14px; font-weight: 500; min-height: 44px; }
.text-link .icon { width: 20px; height: 20px; transition: transform .2s; }
.text-link:hover .icon { transform: translate(3px, -3px); }
.hero-signature { display: flex; align-items: center; gap: 12px; font-size: 11px; letter-spacing: .08em; margin-top: 62px; }
.signature-line { width: 32px; height: 1px; background: currentColor; }
.hero-visual { position: relative; overflow: hidden; min-width: 0; margin: 24px 24px 24px 0; border-radius: 112px 4px 4px 4px; background: #e7ebf0; }
.hero-visual > img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; }
.hero-visual figcaption { position: absolute; inset: auto 27px 24px; display: flex; justify-content: space-between; align-items: center; gap: 12px; color: #242b34; }
.visual-caption { font-family: var(--latin); font-size: 10px; font-weight: 600; letter-spacing: .1em; }
.visual-note { font-size: 10px; }
.visual-index { position: absolute; top: 28px; right: 28px; font-family: var(--latin); color: #414a55; font-size: 10px; letter-spacing: .12em; }
.hero-bottom { border-top: 1px solid var(--line); background: #fff; }
.hero-bottom-inner { display: flex; align-items: center; justify-content: space-between; min-height: 73px; gap: 16px; }
.hero-bottom p { font-size: 14px; letter-spacing: .025em; }
.hero-bottom p span { font-weight: 600; }
.hero-bottom a { display: flex; align-items: center; gap: 18px; font-size: 11px; padding: 14px 0; }
.hero-bottom .icon { width: 20px; height: 20px; transform: rotate(90deg); }

.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 42px; }
.heading-aside { max-width: 390px; padding-bottom: 4px; }
.heading-aside p { font-size: 14px; line-height: 1.9; color: var(--muted); margin-bottom: 13px; }
.business-context { max-width: 850px; font-size: 14px; line-height: 1.9; color: var(--muted); margin: -12px 0 36px; }
.product-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; grid-template-rows: 292px 252px; gap: 18px; }
.product-card { position: relative; display: flex; flex-direction: column; padding: 26px; border: 1px solid transparent; border-radius: 6px; overflow: hidden; min-width: 0; transition: border-color .25s, transform .25s; }
.product-card:hover { border-color: #a9b7c6; transform: translateY(-4px); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; position: relative; z-index: 1; }
.card-index { font-family: var(--latin); font-size: 10px; letter-spacing: .08em; font-weight: 500; }
.circle-arrow { width: 32px; height: 32px; border: 1px solid #b8c2ce; border-radius: 50%; display: grid; place-items: center; transition: background .2s, color .2s; flex-shrink: 0; }
.circle-arrow .icon { width: 17px; height: 17px; }
.product-card:hover .circle-arrow { color: #fff; background: var(--ink); border-color: var(--ink); }
.card-copy { position: relative; z-index: 1; }
.card-copy h3 { font-size: clamp(19px, 1.65vw, 24px); letter-spacing: -.035em; line-height: 1.5; }
.card-copy p { font-size: 13px; line-height: 1.9; margin-top: 8px; max-width: 300px; color: #414b58; }
.card-copy .product-name { color: var(--ink); font-size: 17px; font-weight: 500; margin-top: 6px; }
.product-primary { grid-row: 1 / 3; background: var(--cloud); padding: 29px; }
.product-primary .card-copy { margin-top: 28px; }
.product-primary h3 { font-size: 28px; }
.product-primary .card-bottom { margin-top: auto; border-top: 1px solid #cfd7e0; padding-top: 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 10px; color: #414b58; }
.supply-map { position: relative; width: min(100%, 340px); height: 270px; margin: 13px auto 10px; }
.map-orbit { position: absolute; top: 50%; left: 50%; width: 82%; height: 72%; border: 1px solid #b7c9da; border-radius: 50%; transform: translate(-50%, -50%) rotate(-25deg); }
.orbit-two { width: 62%; height: 94%; transform: translate(-50%, -50%) rotate(-25deg); }
.map-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 102px; height: 102px; border: 1px solid #fff; background: #e2eaf2; border-radius: 24px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 2px; box-shadow: 0 14px 24px -18px #6886a3; }
.map-center-mark { font-family: var(--latin); font-size: 39px; font-weight: 600; line-height: 1; letter-spacing: -.1em; }
.map-center-mark > span { color: var(--red); }
.map-center > span:last-child { font-size: 10px; letter-spacing: .1em; }
.map-node { background: #fff; border: 1px solid #d4dfe8; border-radius: 4px; padding: 7px 18px; position: absolute; font-size: 11px; color: #414b58; z-index: 1; }
.node-top { top: 10px; left: 44%; }
.node-left { top: 44%; left: 0; }
.node-right { top: 37%; right: 0; }
.node-bottom-left { bottom: 17px; left: 12%; }
.node-bottom-right { bottom: 22px; right: 13%; }
.map-light { position: absolute; width: 6px; height: 6px; background: var(--red); border-radius: 50%; box-shadow: 0 0 0 4px #f8444f16; }
.light-one { left: 23%; top: 28%; }
.light-two { right: 21%; bottom: 31%; }
.product-mobile { background: #edf2f8; }
.product-visual { background: #e4edf5; }
.product-mobile .card-copy, .product-visual .card-copy { margin-top: auto; }
.phone-graphic { position: absolute; width: 60px; height: 104px; right: 35px; top: 61px; border: 2px solid #7e94a9; border-radius: 11px; transform: rotate(11deg); background: #f8fbff; box-shadow: 11px 11px 0 #d6e2ee; }
.phone-camera { position: absolute; top: 5px; left: 23px; width: 11px; height: 3px; border-radius: 4px; background: #859aaf; }
.phone-check { position: absolute; top: 23px; left: 14px; width: 28px; height: 28px; line-height: 26px; border-radius: 50%; font-size: 16px; background: var(--red); color: #171c24; text-align: center; }
.phone-line { position: absolute; left: 11px; top: 63px; width: 34px; height: 3px; background: #b4c4d3; }
.phone-line.short { top: 71px; width: 23px; }
.phone-home { position: absolute; width: 16px; height: 2px; bottom: 7px; left: 20px; background: #91a8bf; }
.chart-graphic { position: absolute; top: 86px; right: 29px; width: 138px; height: 65px; display: flex; align-items: flex-end; gap: 8px; padding: 0 8px; }
.chart-graphic > span { width: 14px; background: #a2bbd2; border-radius: 2px 2px 0 0; transform-origin: bottom; }
.chart-graphic > span:nth-child(1) { height: 22%; }
.chart-graphic > span:nth-child(2) { height: 46%; }
.chart-graphic > span:nth-child(3) { height: 37%; }
.chart-graphic > span:nth-child(4) { height: 68%; }
.chart-graphic > span:nth-child(5) { height: 56%; }
.chart-graphic > span:nth-child(6) { height: 94%; background: var(--red); }
.chart-baseline { position: absolute; left: 0; right: 0; bottom: -8px; height: 1px; background: #9bb0c4; }

/* 紧凑卡：保留右上／左下对角构图；图形贴顶，文字贴底 */
.phone-graphic { top: 58px; }
.chart-graphic { top: 58px; width: 138px; }
@media (min-width: 760px) {
  .product-visual .chart-graphic { width: 150px; }
}
@media (min-width: 1360px) {
  .product-grid { grid-template-rows: 260px 284px; }
  .product-visual .chart-graphic { width: 150px; height: 80px; }
}

.product-data { grid-column: 2 / 4; background: var(--ink); color: #fff; padding: 26px; }
.product-data .card-index { color: #c0c9d4; }
.product-data .circle-arrow { border-color: #6b7788; }
.product-data:hover .circle-arrow { background: #fff; color: var(--ink); }
.product-data .card-copy { margin-top: 12px; }
.product-data .card-copy h3 { font-size: 25px; }
.product-data .card-copy p { color: #c0c9d4; }
.product-data .card-copy .product-name { color: #fff; font-size: 15px; margin-top: 4px; }
.data-graphic { position: absolute; right: 9%; top: 74px; width: 145px; height: 135px; transform: rotate(-13deg); }
.data-graphic > span { position: absolute; width: 145px; height: 70px; border: 1px solid #a5c3dc; background: #90b3d028; transform: skewY(-15deg); border-radius: 5px; }
.data-graphic > span:nth-child(1) { top: 0; background: #d0e7fa30; }
.data-graphic > span:nth-child(2) { top: 20px; }
.data-graphic > span:nth-child(3) { top: 40px; }
.data-graphic > span:nth-child(4) { top: 60px; border-color: var(--red); background: #f8444f18; }
.data-graphic > i { position: absolute; right: 23px; bottom: 9px; width: 7px; height: 7px; background: var(--red); border-radius: 50%; }

.services { display: grid; grid-template-columns: .9fr 1.15fr 1.15fr; gap: 30px; padding-top: 38px; margin-top: 34px; border-top: 1px solid var(--line); }
.services-heading .eyebrow { color: var(--muted); }
.services-heading h3 { margin-top: 9px; font-size: 21px; letter-spacing: -.03em; }
.service { display: flex; align-items: flex-start; gap: 15px; padding-left: 25px; border-left: 1px solid var(--line); }
.service-index { font-family: var(--latin); font-size: 11px; color: var(--muted); padding-top: 5px; }
.service h4 { font-size: 18px; line-height: 1.5; }
.service p { color: var(--muted); font-size: 12px; line-height: 1.9; margin-top: 8px; }
.service > .icon { width: 20px; height: 20px; margin-left: auto; flex-shrink: 0; margin-top: 3px; transition: transform .2s; }
.service:hover > .icon { transform: translate(3px,-3px); }

.connections { background: #f4f6f8; }
.connections .section-heading { margin-bottom: 36px; }
.connection-intro { flex: 0 1 390px; max-width: 390px; margin-left: auto; color: var(--muted); font-size: 15px; line-height: 1.9; padding-right: 0; padding-bottom: 5px; }
.connection-rail { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 64px; margin: 0 0 24px; }
.connection-rail::before { content: ""; position: absolute; left: 0; right: 0; top: 5px; height: 1px; background: var(--line); }
.connection-rail span { position: relative; z-index: 1; width: 11px; height: 11px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 5px #f4f6f8; }
.connection-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 64px; }
.connection-card { position: relative; display: flex; flex-direction: column; }
.connection-symbol { display: flex; align-items: center; justify-content: space-between; margin-bottom: 27px; }
.connection-symbol > svg { width: 44px; height: 44px; fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.connection-symbol > span { font-family: var(--latin); font-size: 12px; color: var(--muted); }
.connection-card h3 { font-size: 26px; letter-spacing: -.035em; }
.connection-outcome { font-size: 17px; color: #404956; font-weight: 500; margin: 8px 0 20px; }
.connection-copy { font-size: 13px; line-height: 2; color: #59616d; }
.connection-map { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: auto 0 0; padding-top: 18px; font-family: var(--latin), var(--body); font-size: 11px; color: var(--muted); }
.connection-map > span { letter-spacing: .06em; }
.connection-map a { color: var(--ink); border-bottom: 1px solid #c9d3dc; padding-bottom: 1px; transition: color .2s, border-color .2s; }
.connection-map a:hover { color: var(--red); border-bottom-color: var(--red); }
.connection-map i { font-style: normal; color: #aab6c2; }
.connection-close { max-width: 820px; margin: 36px auto 0; text-align: center; }
.connection-coda { margin: 0 auto 12px; color: var(--ink); font-family: var(--display); font-weight: 600; line-height: 1.55; letter-spacing: -.03em; }
.connection-coda > span { padding: 0 .08em; background: linear-gradient(180deg, transparent 14%, var(--red-soft) 14%, var(--red-soft) 92%, transparent 92%); -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.connection-close-next { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 16px; }
.connection-offer { margin: 0; color: var(--muted); line-height: 1.8; }
.connection-close-link { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; color: var(--red-deep); font-size: var(--type-body); font-weight: 600; }
.connection-close-link > span { padding: 1px 4px; background: linear-gradient(180deg, transparent 54%, var(--red-soft) 54%); }
.connection-close-link .icon { width: 18px; height: 18px; transition: transform .2s; }
.connection-close-link:hover .icon { transform: translate(3px, -3px); }

.expertise { padding-top: 120px; padding-bottom: 120px; }
.expertise-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 115px; }
.expertise-lead h2 { font-size: clamp(38px,3.65vw,53px); line-height: 1.25; }
.expertise-line { display: block; }
.expertise-line--red { color: var(--red); }
.expertise-lead > p:not(.eyebrow) { color: var(--muted); font-size: 13px; line-height: 2; margin-top: 32px; max-width: 350px; }
.expertise-lead > .text-link { margin-top: 22px; }
.expertise-list { display: flex; flex-direction: column; padding-top: 4px; }
.expertise-item { display: grid; grid-template-columns: 35px 1fr; gap: 15px; padding: 30px 0; border-top: 1px solid var(--line); }
.expertise-item:first-child { border-top: 2px solid var(--ink); }
.expertise-item:last-child { padding-bottom: 0; }
.expertise-number { font-family: var(--latin); font-size: 12px; color: var(--muted); margin-top: 2px; }
.expertise-item .eyebrow { font-size: 9px; color: #626c79; letter-spacing: .12em; margin-bottom: 7px; }
.expertise-item h3 { font-size: 26px; letter-spacing: -.04em; }
.expertise-title-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.expertise-icon { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border: 1px solid #dbe5ee; border-radius: 9px; background: #edf2f8; }
.expertise-art { width: 34px; height: 34px; overflow: visible; }
.expertise-art .art-shadow { fill: #d6e2ee; }
.expertise-art .art-fill { fill: #f8fbff; }
.expertise-art .art-outline { fill: none; stroke: #7e94a9; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.expertise-art .art-fill.art-outline { fill: #f8fbff; }
.expertise-art .art-detail { fill: none; stroke: #b4c4d3; stroke-width: 1.6; stroke-linecap: round; }
.expertise-art .art-red { fill: var(--red); }
.expertise-art .art-dot { fill: #7e94a9; }
.expertise-art .art-ink { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.expertise-copy { color: var(--muted); line-height: 1.9; }

.contact-section { background: var(--red); overflow: hidden; }
.contact-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 70px; padding-top: 76px; padding-bottom: 76px; }
.contact-inner::after { content: ""; position: absolute; border: 1px solid rgba(23,28,36,.16); border-radius: 50%; width: 470px; height: 470px; right: -170px; top: -70px; pointer-events: none; }
.contact-inner .eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.contact-inner h2 { font-size: clamp(36px, 3.55vw, 52px); line-height: 1.3; }
.contact-inner h2 + p { font-size: 14px; margin-top: 21px; }
.contact-link { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 58px; column-gap: 30px; align-items: center; min-width: 300px; border-bottom: 1px solid var(--ink); padding-bottom: 17px; }
.contact-link > span:first-child { font-size: 25px; font-weight: 600; letter-spacing: -.035em; }
.contact-arrow { width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; grid-column: 2; grid-row: 1/3; transition: background .2s,color .2s; }
.contact-arrow .icon { width: 25px; height: 25px; }
.contact-link:hover .contact-arrow { background: var(--ink); color: #fff; }
.contact-email { grid-column: 1; font-family: var(--latin); font-size: 13px; margin-top: 6px; }

.site-footer { background: var(--ink); color: #fff; padding-top: 65px; }
.footer-main { display: grid; grid-template-columns: 1.4fr .6fr 1fr; gap: 60px; padding-bottom: 54px; }
.footer-brand > a { display: block; margin-top: 18px; line-height: 0; }
.footer-brand > a img { width: 140px; height: auto; }
.footer-brand > .footer-tagline { font-size: 13px; color: #bdc5d0; line-height: 1.9; margin-top: 16px; }
.footer-slogan { margin: 0; color: #fff; font-size: 16px; font-weight: 600; line-height: 1.5; letter-spacing: .01em; }
.site-footer h3 { font-size: 12px; font-weight: 500; color: #bdc5d0; margin-bottom: 19px; }
.footer-address { justify-self: end; width: 100%; max-width: 300px; }
.footer-address p { font-size: 13px; line-height: 1.9; }
.footer-address > a { font-family: var(--latin); display: inline-flex; gap: 8px; align-items: center; font-size: 13px; padding: 14px 0 4px; }
.footer-mail-arrow { font-size: 10px; line-height: 1; }
.footer-qr { display: flex; flex-wrap: wrap; gap: 16px 18px; margin-top: 18px; }
.footer-qr-item { width: 96px; flex: none; }
.footer-qr img { width: 96px; height: 96px; padding: 4px; background: #fff; border-radius: 3px; }
.footer-qr p { margin: 7px 0 0; color: #bdc5d0; font-size: 10px; line-height: 1.6; }
.footer-qr p span { display: block; }
@media (max-width: 899px) {
  .footer-qr { gap: 10px 12px; margin-top: 14px; }
  .footer-qr-item { width: 74px; }
  .footer-qr img { width: 74px; height: 74px; padding: 3px; }
  .footer-qr p { margin-top: 5px; font-size: 9px; line-height: 1.5; }
}
.footer-nav { display: flex; flex-direction: column; align-items: flex-start; flex: none; }
.footer-nav h3, .footer-nav a { white-space: nowrap; }
.footer-nav a { font-size: 13px; padding: 5px 0; min-height: 32px; }
.footer-nav a.footer-external { display: inline-flex; align-items: center; gap: 6px; }
.footer-nav a.footer-external .icon { width: 13px; height: 13px; opacity: .7; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 5px; }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 36px; border-top: 1px solid #424b58; padding: 23px 0; color: #bdc5d0; font-size: 10px; }
.footer-bottom a { margin-left: auto; }

@media (min-width: 1801px) {
  .hero-copy { padding-left: 88px; }
}

@media (max-width: 1199px) {
  .shell { width: calc(100% - 72px); }
  .hero-main { grid-template-columns: 56% 44%; min-height: 580px; }
  .hero-copy { padding: 65px 26px 55px 36px; }
  .hero-eyebrow { font-size: 10px; letter-spacing: .015em; }
  .hero-signature { margin-top: 44px; }
  .hero-visual { margin: 20px 20px 20px 0; border-top-left-radius: 80px; }
  .hero-actions { gap: 18px; }
  .hero-actions .button { padding-left: 16px; padding-right: 16px; gap: 20px; font-size: 13px; }
  .hero-actions .text-link { font-size: 13px; gap: 10px; }
  .hero-visual figcaption { flex-direction: column; align-items: flex-start; gap: 4px; }
  .section { padding: 86px 0; }
  .heading-aside { max-width: 330px; }
  .product-grid { grid-template-columns: 1.25fr 1fr 1fr; gap: 14px; }
  .product-card { padding: 21px; }
  .product-primary { padding: 24px; }
  .product-primary h3 { font-size: 25px; }
  .phone-graphic { right: 29px; }
  .card-copy h3 { font-size: 19px; }
  .card-copy p { font-size: 12px; }
  .card-index { font-size: 9px; }
  .circle-arrow { width: 28px; height: 28px; }
  .data-graphic { right: 7%; transform: scale(.85) rotate(-13deg); transform-origin: right center; }
  .product-primary .card-bottom { font-size: 9px; gap: 8px; }
  .services { gap: 22px; grid-template-columns: .8fr 1.15fr 1.15fr; }
  .services-heading h3 { font-size: 18px; }
  .service { gap: 10px; padding-left: 20px; }
  .service h4 { font-size: 16px; }
  .connection-grid { gap: 38px; }
  .connection-rail { gap: 38px; }
  .connection-intro { flex-basis: 330px; max-width: 330px; }
  .expertise-layout { gap: 75px; }
  .contact-link { min-width: 280px; }
}

@media (max-width: 899px) {
  .shell { width: calc(100% - 48px); }
  .header-inner { height: 72px; }
  .desktop-nav { gap: 28px; }
  .desktop-nav a { height: 72px; font-size: 13px; }
  .header-contact { margin-left: 30px; gap: 16px; font-size: 12px; }
  .hero-main { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy { padding: 60px 36px 44px; }
  .hero-eyebrow { font-size: 12px; margin-bottom: 35px; }
  .claim-core { font-size: clamp(34px,6.9vw,57px); }
  .claim-subject { font-size: 31px; }
  .claim-result { font-size: 21px; margin-top: 22px; }
  .hero-actions { margin-top: 30px; gap: 30px; }
  .hero-signature { display: none; }
  .hero-visual { height: 420px; margin: 0 24px 24px; border-top-left-radius: 95px; }
  .hero-visual > img { object-position: 50% 59%; }
  .hero-visual figcaption { flex-direction: row; align-items: center; }
  .hero-bottom-inner { min-height: 68px; }
  .section-heading { gap: 25px; }
  .heading-aside { max-width: 275px; }
  .heading-aside p { font-size: 12px; }
  .section { padding: 75px 0; }
  .product-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 290px 280px 235px; }
  .product-primary { grid-column: 1; grid-row: 1/3; }
  .product-mobile { grid-column: 2; grid-row: 1; }
  .product-visual { grid-column: 2; grid-row: 2; }
  .product-data { grid-column: 1/3; grid-row: 3; }
  .product-primary h3 { font-size: 23px; }
  .product-primary .card-bottom { flex-wrap: wrap; }
  .card-copy h3 { font-size: 23px; }
  .card-copy p { font-size: 13px; }
  .product-data .card-copy { margin-top: 8px; }
  .data-graphic { right: 15%; transform: rotate(-13deg); }
  .services { grid-template-columns: 1fr 1fr; }
  .services-heading { grid-column: 1/3; display: flex; gap: 17px; align-items: baseline; }
  .services-heading h3 { margin: 0; font-size: 22px; }
  .service { padding-left: 0; border-left: 0; }
  .service + .service { padding-left: 24px; border-left: 1px solid var(--line); }
  .connection-grid { gap: 28px; }
  .connection-rail { gap: 28px; }
  .connection-intro { flex-basis: 275px; max-width: 275px; font-size: 13px; }
  .connection-card h3 { font-size: 23px; }
  .connection-copy { font-size: 12px; }
  .expertise-layout { gap: 40px; }
  .expertise-lead h2 { font-size: 38px; }
  .expertise-item { gap: 10px; grid-template-columns: 24px 1fr; }
  .contact-inner { gap: 35px; }
  .contact-inner h2 { font-size: 36px; }
  .contact-inner h2 + p { font-size: 12px; }
  .contact-link { min-width: 242px; column-gap: 18px; }
  .contact-link > span:first-child { font-size: 21px; }
  .footer-main { gap: 30px; }
}

@media (max-width: 767px) {
  .connections .section-heading { flex-direction: column; align-items: stretch; gap: 22px; }
  .connection-intro { flex-basis: auto; max-width: none; margin-left: 0; }
}

@media (max-width: 599px) {
  html { scroll-padding-top: 85px; }
  .shell { width: calc(100% - 40px); }
  .header-inner { height: 68px; }
  .brand img { width: 122px; }
  .desktop-nav { display: none; }
  .header-contact { margin-left: auto; margin-right: 14px; padding: 0; border: none; font-size: 11px; min-height: 44px; gap: 7px; }
  .header-contact .icon { width: 16px; height: 16px; }
  .mobile-nav { display: block; }
  .mobile-nav summary { width: 44px; height: 44px; padding: 14px 9px; cursor: pointer; list-style: none; display: flex; flex-direction: column; justify-content: center; gap: 6px; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav summary > span { display: block; width: 25px; height: 1.5px; background: var(--ink); transition: transform .2s; }
  .mobile-nav[open] summary > span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .mobile-nav[open] summary > span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .mobile-nav nav { position: absolute; top: 68px; left: 0; right: 0; background: #fff; padding: 10px 24px 20px; border-bottom: 1px solid var(--line); box-shadow: 0 12px 20px #171c2410; }
  .mobile-nav nav > a { display: flex; align-items: center; justify-content: space-between; padding: 13px 0; border-bottom: 1px solid #eef0f3; font-size: 15px; min-height: 50px; }
  .mobile-nav nav > a:last-child { border: 0; }
  .mobile-nav nav > a[aria-current="page"] { font-weight: 600; }
  .hero-copy { padding: 41px 20px 34px; }
  .hero-eyebrow { font-size: 10px; letter-spacing: .015em; margin-bottom: 30px; gap: 7px; }
  .hero-eyebrow .tiny-mark { width: 5px; height: 5px; }
  .claim-intro { font-size: 16px; margin-bottom: 15px; }
  .claim-core { font-size: clamp(30px,8.4vw,49px); letter-spacing: -.065em; }
  .claim-subject { font-size: 25px; margin-top: 13px; }
  .claim-result { font-size: 16px; margin-top: 20px; letter-spacing: -.035em; line-height: 1.7; }
  .hero-actions { gap: 22px; margin-top: 26px; }
  .hero-actions .button { min-height: 46px; padding: 10px 15px; gap: 17px; font-size: 12px; }
  .hero-actions .button .icon { width: 18px; height: 18px; }
  .hero-actions .text-link { font-size: 12px; gap: 8px; }
  .hero-visual { height: auto; aspect-ratio: 1.28; margin: 0 14px 18px; border-radius: 65px 3px 3px 3px; }
  .hero-visual > img { height: 100%; object-position: 50% 50%; }
  .hero-visual figcaption { inset: auto 17px 15px; gap: 8px; }
  .visual-caption { font-size: 8px; letter-spacing: .065em; }
  .visual-note { font-size: 8px; }
  .visual-index { top: 18px; right: 18px; font-size: 8px; }
  .hero-bottom-inner { min-height: 60px; }
  .hero-bottom p { font-size: 11px; letter-spacing: 0; }
  .hero-bottom a { gap: 10px; }
  .hero-bottom a > span { display: none; }
  .hero-bottom .icon { width: 18px; height: 18px; }
  .section { padding: 64px 0; }
  h2 { font-size: 32px; line-height: 1.35; letter-spacing: -.055em; }
  .section-eyebrow { font-size: 10px; gap: 13px; margin-bottom: 20px; }
  .section-no { font-size: 10px; }
  .section-heading { flex-direction: column; align-items: stretch; gap: 22px; margin-bottom: 30px; }
  .heading-aside { max-width: none; padding: 0; }
  .heading-aside p { font-size: 13px; margin-bottom: 9px; }
  .heading-aside .text-link { font-size: 12px; }
  .business-context { font-size: 12px; margin-top: -4px; margin-bottom: 25px; line-height: 1.9; }
  .product-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto 285px 232px; gap: 12px; }
  .product-primary { grid-column: 1/3; grid-row: 1; min-height: 480px; padding: 24px; }
  .product-primary .card-copy { margin-top: 21px; }
  .product-primary h3 { font-size: 26px; }
  .product-primary .card-bottom { font-size: 10px; padding-top: 16px; flex-wrap: nowrap; }
  .product-primary .card-copy p { max-width: 100%; }
  .supply-map { height: 230px; margin-top: 4px; margin-bottom: 10px; width: 270px; max-width: 100%; }
  .map-center { width: 90px; height: 90px; border-radius: 20px; }
  .map-center-mark { font-size: 35px; }
  .map-node { font-size: 10px; padding: 5px 13px; }
  .node-top { top: 7px; }
  .product-mobile { grid-column: 1; grid-row: 2; padding: 17px; }
  .product-visual { grid-column: 2; grid-row: 2; padding: 17px; }
  .card-index { font-size: 8px; letter-spacing: .01em; }
  .circle-arrow { width: 25px; height: 25px; }
  .circle-arrow .icon { width: 15px; height: 15px; }
  .product-mobile .card-top, .product-visual .card-top { align-items: flex-start; }
  .product-mobile .card-index, .product-visual .card-index { max-width: 60px; }
  .product-mobile .card-copy h3, .product-visual .card-copy h3 { font-size: 17px; max-width: 7em; letter-spacing: -.045em; }
  .product-mobile .card-copy p, .product-visual .card-copy p { font-size: 11px; line-height: 1.85; margin-top: 7px; }
  .desktop-break { display: none; }
  .phone-graphic { right: 29px; top: 61px; transform: scale(.78) rotate(11deg); transform-origin: top right; }
  .chart-graphic { right: 20px; top: 91px; transform: scale(.72); transform-origin: right bottom; }
  .product-data { grid-row: 3; grid-column: 1/3; padding: 22px; }
  .product-data .card-copy { margin-top: 17px; }
  .product-data .card-copy h3 { font-size: 23px; }
  .product-data .card-copy p { font-size: 12px; }
  .product-data .card-copy .product-name { font-size: 15px; }
  .data-graphic { right: 22px; top: 89px; transform: scale(.63) rotate(-13deg); }
  .services { grid-template-columns: 1fr; margin-top: 28px; padding-top: 28px; gap: 24px; }
  .services-heading { grid-column: 1; display: block; }
  .services-heading .eyebrow { font-size: 10px; }
  .services-heading h3 { font-size: 24px; margin-top: 7px; }
  .service, .service + .service { gap: 16px; padding: 0 0 22px; border-left: none; border-bottom: 1px solid var(--line); }
  .service:last-child { padding-bottom: 0; border-bottom: none; }
  .service h4 { font-size: 18px; }
  .service p { font-size: 12px; }
  .service-index { font-size: 10px; }
  .connections .section-heading { margin-bottom: 34px; }
  .connection-intro { font-size: 13px; }
  .connection-rail { display: none; }
  .connection-grid { grid-template-columns: 1fr; gap: 29px; }
  .connection-card { padding-left: 66px; padding-bottom: 27px; border-bottom: 1px solid #d4dce4; }
  .connection-card:last-child { padding-bottom: 0; border: 0; }
  .connection-symbol { position: absolute; top: 1px; left: 0; display: flex; flex-direction: column; gap: 12px; }
  .connection-symbol > svg { width: 35px; height: 35px; }
  .connection-symbol > span { font-size: 10px; }
  .connection-card h3 { font-size: 24px; }
  .connection-outcome { font-size: 15px; margin: 5px 0 15px; }
  .connection-copy { font-size: 13px; line-height: 1.95; }
  .connection-map { font-size: 10px; padding-top: 15px; }
  .connection-close { margin-top: 32px; }
  .expertise-layout { grid-template-columns: 1fr; gap: 34px; }
  .expertise-lead h2 { font-size: clamp(32px, 9.2vw, 40px); }
  .expertise-lead > p:not(.eyebrow) { font-size: 13px; max-width: none; margin-top: 25px; }
  .expertise-lead > .text-link { margin-top: 17px; font-size: 12px; }
  .expertise-item { padding: 26px 0; grid-template-columns: 24px 1fr; gap: 14px; }
  .expertise-item h3 { font-size: 24px; }
  .expertise-item .eyebrow { font-size: 9px; }
  .contact-inner { flex-direction: column; align-items: stretch; padding-top: 55px; padding-bottom: 48px; gap: 34px; }
  .contact-inner::after { right: -275px; top: -95px; }
  .contact-inner h2 { font-size: 36px; }
  .contact-inner .eyebrow { font-size: 10px; margin-bottom: 19px; }
  .contact-inner h2 + p { font-size: 12px; margin-top: 18px; }
  .contact-link { min-width: 0; max-width: none; grid-template-columns: 1fr 50px; padding-bottom: 17px; }
  .contact-link > span:first-child { font-size: 21px; }
  .contact-arrow { width: 50px; height: 50px; }
  .contact-email { font-size: 12px; }
  .site-footer { padding-top: 44px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 33px 22px; padding-bottom: 32px; }
  .footer-brand { grid-column: 1/3; display: block; }
  .footer-brand > a { margin-top: 14px; }
  .footer-brand > a img { width: 126px; }
  .footer-brand > .footer-tagline { font-size: 10px; margin-top: 12px; }
  .footer-slogan { font-size: 14px; }
  .site-footer h3 { font-size: 11px; margin-bottom: 13px; }
  .footer-address p, .footer-address > a { font-size: 11px; }
  .footer-address > a { gap: 5px; min-height: 44px; }
  .footer-nav a { font-size: 12px; min-height: 38px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 7px; padding: 22px 0; font-size: 9px; }
  .footer-bottom a { margin-left: 0; padding: 5px 0; }
}

@media (max-width: 359px) {
  .header-contact { margin-right: 6px; }
  .brand img { width: 112px; }
  .hero-eyebrow { font-size: 9px; }
  .claim-core { font-size: 29px; }
  .claim-subject { font-size: 24px; }
  .claim-result { font-size: 15px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding-left: 12px; padding-right: 12px; gap: 11px; }
  .hero-actions .text-link { font-size: 11px; }
  .product-mobile, .product-visual { padding: 14px; }
  .product-mobile .card-copy h3, .product-visual .card-copy h3 { font-size: 16px; }
  .product-mobile .circle-arrow, .product-visual .circle-arrow { width: 22px; height: 22px; }
  .data-graphic { right: 10px; transform: scale(.48) rotate(-13deg); }
  .contact-inner h2 { font-size: 32px; }
  .footer-brand > a img { width: 110px; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: enter-copy .75s ease-out both; }
  .hero-visual { animation: enter-visual .9s .1s ease-out both; }
  @keyframes enter-copy { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes enter-visual { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media print {
  .site-header, .hero-actions, .contact-section, .site-footer, .skip-link { display: none; }
  .hero, .connections { background: white; }
  .claim-core, .claim-subject { color: var(--ink); }
  .section { padding: 35px 0; }
  .shell { width: 100%; }
  .product-card { break-inside: avoid; }
}

/* 紧凑卡：左右分栏，文字左上、图形右下；标题与主卡 01 对齐 */
@media (min-width: 1360px) {
  .product-mobile, .product-visual {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 112px;
    grid-template-rows: auto 1fr;
    grid-template-areas: "top top" "copy graphic";
    column-gap: 16px;
    padding: 24px;
    position: relative;
  }
  .product-mobile .card-top, .product-visual .card-top { grid-area: top; }
  .product-mobile .card-copy, .product-visual .card-copy { grid-area: copy; align-self: start; margin-top: 20px; }
  .product-mobile .phone-graphic {
    position: relative;
    top: auto;
    right: auto;
    grid-area: graphic;
    align-self: end;
    justify-self: center;
    margin: 0 0 2px;
    transform: rotate(11deg) scale(.8);
    transform-origin: bottom center;
  }
  .product-visual .chart-graphic {
    position: relative;
    top: auto;
    right: auto;
    grid-area: graphic;
    align-self: end;
    justify-self: center;
    justify-content: center;
    width: 112px;
    height: 54px;
    padding: 0;
    gap: 5px;
    margin-bottom: 2px;
  }
  .product-visual .chart-graphic > span { width: 11px; }
}