/* Tangyue Trading — bilingual company website, v1.0 */
:root {
  --ink: #102a36;
  --ink-2: #173945;
  --ink-3: #52707a;
  --paper: #f7f5ef;
  --paper-2: #eeeae1;
  --paper-3: #e6e3da;
  --white: #fffefa;
  --line: #d8dad3;
  --copper: #bd7c54;
  --copper-2: #e0b38b;
  --teal: #508381;
  --muted: #6c7b7e;
  --serif: Georgia, "Noto Serif CJK SC", "Songti SC", serif;
  --sans: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --wide: 1240px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 400 16px/1.67 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--copper); outline-offset: 4px; }
button { font: inherit; }
::selection { background: #c2dedb; color: var(--ink); }
img, svg { display: block; max-width: 100%; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 999; top: 8px; left: 8px; transform: translateY(-200%); background: var(--white); padding: 12px 16px; border: 2px solid var(--ink); }
.skip-link:focus { transform: none; }
.shell { width: min(calc(100% - 88px), var(--wide)); margin: 0 auto; }
.eyebrow { color: var(--teal); text-transform: uppercase; letter-spacing: .18em; font-size: 11px; font-weight: 750; line-height: 1.5; }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--copper); flex: 0 0 auto; }
.site-header { z-index: 30; position: sticky; top: 0; border-bottom: 1px solid rgba(16,42,54,.12); background: rgba(247,245,239,.93); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.header-inner { height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand-mark { display: grid; place-items: center; width: 43px; height: 43px; border-radius: 11px; background: var(--ink); color: var(--paper); box-shadow: inset -4px -4px 0 rgba(189,124,84,.2); }
.brand-mark svg { width: 23px; height: 23px; }
.brand-name { font-family: var(--serif); font-weight: 700; font-size: 19px; letter-spacing: -.06em; line-height: 1.15; }
.brand-sub { display: block; margin-top: 3px; color: var(--ink-3); font-family: var(--sans); font-size: 9px; font-weight: 720; letter-spacing: .20em; }
.site-nav { display: flex; align-items: center; gap: clamp(16px,2.25vw,33px); margin-left: auto; }
.site-nav a { font-size: 12px; font-weight: 680; color: #47606a; transition: color .18s; white-space: nowrap; }
.site-nav a:hover { color: var(--copper); }
.header-right { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.lang-pill { display: inline-flex; gap: 5px; align-items: center; font-size: 11px; font-weight: 770; padding: 9px 12px; border: 1px solid #d6dbd4; border-radius: 100px; color: var(--ink); transition: border-color .2s; }
.lang-pill:hover { border-color: var(--copper); }
.lang-pill svg { width: 13px; height: 13px; }
.header-cta { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 39px; padding: 0 15px; border-radius: 4px; background: var(--ink); color: white; font-size: 12px; font-weight: 720; transition: background .2s, transform .2s; white-space: nowrap; }
.header-cta:hover { background: var(--ink-2); transform: translateY(-2px); }
.header-cta svg { width: 13px; height: 13px; }
.menu-toggle { display: none; align-items: center; justify-content: center; height: 42px; width: 42px; border: 1px solid var(--line); background: transparent; border-radius: 5px; color: var(--ink); cursor: pointer; }
.menu-toggle svg { height: 22px; width: 22px; }
/* Hero */
.hero { overflow: hidden; position: relative; border-bottom: 1px solid var(--line); background: radial-gradient(ellipse 60% 70% at 98% 8%, #ece9dd 0, transparent 72%), var(--paper); }
.hero::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 5px; background: linear-gradient(to right, var(--ink) 0 17%, transparent 17% 18%, var(--copper) 18% 26%, transparent 26%); opacity: .88; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); min-height: 654px; align-items: center; gap: 7.2%; padding: 73px 0 88px; }
.hero-copy { padding: 0 0 11px; max-width: 590px; }
.hero-label { display: flex; align-items: center; gap: 11px; margin-bottom: 31px; }
.hero-label .line { width: 28px; height: 1px; background: var(--copper); }
h1, h2, h3, p { margin: 0; }
h1 { font: 400 clamp(57px, 5.5vw, 89px)/1.035 var(--serif); letter-spacing: -.068em; }
h1 .accent { font-style: italic; color: var(--copper); }
.hero-sub { margin-top: 29px; color: #586e72; font-size: 16px; line-height: 1.9; max-width: 485px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 35px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 13px; padding: 14px 19px; border-radius: 3px; border: 1px solid transparent; font-size: 12px; font-weight: 800; line-height: 1.25; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-3px); }
.button svg { width: 15px; height: 15px; }
.button-primary { color: white; background: var(--ink); }
.button-primary:hover { background: #264755; }
.button-link { padding-left: 0; padding-right: 0; border-bottom: 1px solid #88999a; border-radius: 0; }
.hero-note { display: flex; align-items: center; gap: 10px; margin-top: 47px; color: #718386; font-size: 11px; font-weight: 720; letter-spacing: .045em; }
.hero-visual { width: 100%; align-self: center; min-height: 491px; padding: 27px; position: relative; background: #102b36; border-radius: 5px; box-shadow: 20px 24px 0 #dcded7, 0 35px 55px -34px rgba(12,41,51,.23); overflow: hidden; color: #e9f2ed; }
.hero-visual::before { content: ''; position: absolute; inset: 0; opacity: .37; background-image: linear-gradient(to right,rgba(229,239,232,.09) 1px,transparent 1px),linear-gradient(to bottom,rgba(229,239,232,.09) 1px,transparent 1px); background-size: 37px 37px; }
.hero-visual::after { content: ''; position: absolute; left: -47px; top: -75px; width: 210px; height: 210px; border: 1px solid rgba(190,202,190,.14); border-radius: 50%; box-shadow: 0 0 0 37px rgba(190,202,190,.02),0 0 0 74px rgba(190,202,190,.02); }
.visual-top, .visual-bottom { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; font-size: 10px; font-weight: 750; letter-spacing: .13em; }
.visual-top { color: #e6e6d6; }
.visual-top .status { display: inline-flex; align-items: center; gap: 7px; color: #b3c9c1; letter-spacing: .06em; }
.visual-top .status::before { content: ''; height: 6px; width: 6px; border-radius: 50%; background: #a3c9a9; box-shadow: 0 0 0 4px rgba(162,201,170,.12); }
.orbit { position: absolute; left: 50%; top: 51%; height: 278px; width: 278px; transform: translate(-50%,-50%); border: 1px solid rgba(225,237,230,.27); border-radius: 50%; }
.orbit::before, .orbit::after { content: ''; position: absolute; border-radius: 50%; border: 1px solid rgba(225,237,230,.14); }
.orbit::before { inset: -47px; }
.orbit::after { inset: 48px; }
.orbit-dot { position: absolute; width: 11px; height: 11px; border-radius: 50%; background: #d9a37b; top: 24px; right: 29px; box-shadow: 0 0 0 7px rgba(217,163,123,.15); }
.diagram-line { position: absolute; z-index: 1; height: 1px; width: 65%; top: 54%; left: 18%; transform: rotate(-22deg); background: repeating-linear-gradient(to right,rgba(199,212,203,.55) 0 6px,transparent 6px 12px); }
.visual-center { position: absolute; inset: 67px 30px 58px; z-index: 3; display: flex; align-items: center; justify-content: center; }
.visual-statement { position: relative; z-index: 5; width: min(73%, 300px); padding: 23px 22px 25px; background: #e8e9e0; color: var(--ink); box-shadow: 0 12px 30px rgba(5,18,25,.3); transform: rotate(-4deg); }
.visual-statement .mini-head { display: flex; justify-content: space-between; padding-bottom: 11px; margin-bottom: 15px; border-bottom: 1px solid #bfcbc7; color: #6a8586; font-size: 9px; letter-spacing: .15em; font-weight: 750; }
.visual-statement strong { font: 400 32px/1.12 var(--serif); letter-spacing: -.055em; }
.visual-statement p { margin-top: 14px; font-size: 11px; color: #587078; line-height: 1.65; }
.visual-statement .barcode { display: flex; gap: 2px; margin-top: 17px; height: 19px; align-items: stretch; }
.visual-statement .barcode i { display: block; height: 100%; width: 2px; background: #6d8386; opacity: .75; }
.visual-statement .barcode i:nth-child(3n) { width: 5px; }
.visual-statement .barcode i:nth-child(4n) { width: 1px; }
.visual-card { position: absolute; z-index: 4; border: 1px solid rgba(236,236,226,.33); padding: 13px; background: rgba(13,41,52,.93); color: #e9eae0; box-shadow: 0 5px 17px rgba(0,0,0,.15); }
.visual-card small { display: block; color: var(--copper-2); font-weight: 800; font-size: 9px; letter-spacing: .15em; }
.visual-card span { display: block; margin-top: 6px; font-family: var(--serif); font-size: 15px; line-height: 1.2; }
.visual-card--a { left: -8px; top: 50px; width: 156px; transform: rotate(4deg); }
.visual-card--b { right: -4px; bottom: 37px; width: 166px; transform: rotate(5deg); }
.visual-bottom { position: absolute; left: 27px; right: 27px; bottom: 24px; color: #adc0bb; padding-top: 15px; border-top: 1px solid rgba(233,242,237,.2); letter-spacing: .10em; }
.visual-bottom b { color: var(--copper-2); font-weight: 600; }
/* Section common */
.section { padding: 116px 0; }
.section-heading { display: grid; grid-template-columns: 1fr .8fr; align-items: end; gap: 60px; margin-bottom: 50px; }
.section-heading h2 { max-width: 780px; margin-top: 21px; font: 400 clamp(39px,4.3vw,61px)/1.13 var(--serif); letter-spacing: -.054em; }
.section-heading p { max-width: 365px; color: #667b7d; font-size: 14px; line-height: 1.9; justify-self: end; }
.section-heading .highlight { color: var(--copper); font-style: italic; }
.section-index { display: flex; align-items: center; gap: 11px; }
.section-index::before { content: ''; height: 1px; width: 29px; background: var(--copper); }
.capabilities { background: #f0eee7; }
.capabilities-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid #cbd2cc; border-bottom: 1px solid #cbd2cc; }
.capability { min-height: 287px; padding: 33px 27px 31px 0; border-right: 1px solid #cbd2cc; }
.capability:not(:first-child) { padding-left: 27px; }
.capability:last-child { border-right: 0; }
.capability-num { display: flex; justify-content: space-between; align-items: center; font: 750 10px var(--sans); letter-spacing: .16em; color: #6c8b8b; }
.capability-icon { margin: 45px 0 22px; width: 39px; height: 39px; display: grid; place-items: center; border-radius: 50%; border: 1px solid #aec3c0; color: var(--teal); }
.capability-icon svg { height: 18px; width: 18px; }
.capability h3 { font: 400 23px/1.28 var(--serif); letter-spacing: -.027em; }
.capability p { margin-top: 12px; font-size: 12px; line-height: 1.85; color: #6c7d7d; }
/* Areas */
.areas { background: var(--paper); }
.area-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.area-card { min-height: 460px; padding: 36px 39px; position: relative; overflow: hidden; background: #e7e9e1; border: 1px solid #d5ded8; display: flex; flex-direction: column; }
.area-card--dark { background: #173641; color: #f2f0e6; border-color: #173641; }
.area-card::after { content: ''; position: absolute; height: 270px; width: 270px; right: -60px; top: 95px; border: 1px solid rgba(34,87,91,.18); border-radius: 50%; box-shadow: 0 0 0 36px rgba(34,87,91,.035), 0 0 0 84px rgba(34,87,91,.035); pointer-events: none; }
.area-card--dark::after { border-color: rgba(242,240,230,.25); box-shadow: 0 0 0 36px rgba(242,240,230,.03),0 0 0 84px rgba(242,240,230,.03); }
.area-top { position: relative; z-index: 1; display: flex; justify-content: space-between; color: #55777c; font-size: 10px; font-weight: 750; letter-spacing: .16em; }
.area-card--dark .area-top { color: #b1c8c2; }
.area-symbol { position: absolute; right: 42px; top: 110px; font: 400 162px/1 var(--serif); color: rgba(21,72,81,.09); pointer-events: none; }
.area-card--dark .area-symbol { color: rgba(244,240,230,.1); }
.area-main { position: relative; z-index: 2; margin-top: auto; max-width: 385px; }
.area-main h3 { font: 400 clamp(32px,3.25vw,46px)/1.15 var(--serif); letter-spacing: -.05em; }
.area-main p { margin-top: 17px; color: #617a7d; font-size: 13px; line-height: 1.9; }
.area-card--dark .area-main p { color: #b4c8c7; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 29px; }
.tags span { display: inline-flex; padding: 6px 10px; font-size: 10px; line-height: 1.3; font-weight: 650; background: rgba(255,255,255,.45); border: 1px solid #cbd9d4; }
.area-card--dark .tags span { color: #d6e8df; border-color: rgba(221,237,227,.23); background: rgba(241,249,241,.07); }
.area-foot { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 8px; width: max-content; margin-top: 20px; font-size: 11px; font-weight: 760; padding-bottom: 3px; border-bottom: 1px solid currentColor; }
.area-foot svg { width: 13px; height: 13px; }
html[lang="zh-CN"] h1 { font-size: clamp(49px,4.8vw,70px); letter-spacing: -.06em; }
/* Approach */
.approach { background: #e9e6dc; }
.approach-wrap { display: grid; grid-template-columns: .78fr 1.22fr; gap: 11%; }
.approach-intro h2 { margin: 23px 0 27px; font: 400 clamp(40px,4.2vw,60px)/1.13 var(--serif); letter-spacing: -.055em; }
.approach-intro p { color: #697f7c; max-width: 355px; font-size: 14px; line-height: 1.9; }
.steps { border-top: 1px solid #b7c4bf; }
.step { display: grid; grid-template-columns: 58px 1fr 28px; align-items: start; gap: 20px; border-bottom: 1px solid #b7c4bf; padding: 27px 0; }
.step > span { padding-top: 2px; font-size: 11px; font-weight: 800; color: var(--teal); }
.step h3 { font: 400 24px/1.3 var(--serif); letter-spacing: -.025em; }
.step p { margin-top: 6px; color: #6f8080; font-size: 12px; line-height: 1.7; max-width: 360px; }
.step svg { margin-top: 3px; width: 19px; height: 19px; color: var(--copper); }
/* About */
.about { background: var(--paper); }
.about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 11%; align-items: center; }
.about-graphic { min-height: 413px; background: var(--ink-2); position: relative; overflow: hidden; padding: 34px; color: white; border-radius: 4px; }
.about-graphic::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(239,243,238,.08) 1px, transparent 1px),linear-gradient(90deg,rgba(239,243,238,.08) 1px, transparent 1px); background-size: 28px 28px; }
.about-graphic .location { position: relative; z-index: 1; display: flex; align-items: center; gap: 9px; color: #d4c3ae; font-size: 10px; font-weight: 760; letter-spacing: .15em; }
.about-graphic .location span { width: 6px; height: 6px; background: var(--copper-2); border-radius: 50%; }
.about-graphic .globe { position: absolute; width: 315px; height: 315px; top: 61px; left: calc(50% - 157px); border: 1px solid rgba(214,235,224,.28); border-radius: 50%; box-shadow: 0 0 0 31px rgba(214,235,224,.028),0 0 0 62px rgba(214,235,224,.025); }
.about-graphic .globe::before { content: ''; position: absolute; inset: 0; border-left: 1px solid rgba(214,235,224,.26); border-right: 1px solid rgba(214,235,224,.26); transform: scaleX(.58); border-radius: 50%; }
.about-graphic .globe::after { content: ''; position: absolute; left: 0; right: 0; top: 48%; border-top: 1px solid rgba(214,235,224,.26); transform: rotate(-19deg); }
.about-graphic .coordinate { position: absolute; z-index: 2; left: 50%; top: 49%; transform: translate(-50%,-50%); text-align: center; }
.about-graphic .coordinate b { display: block; font: 400 61px/1 var(--serif); letter-spacing: -.07em; }
.about-graphic .coordinate small { display: block; color: #c1d7cb; font-size: 10px; letter-spacing: .21em; margin-top: 11px; }
.about-graphic .ag-footer { position: absolute; left: 34px; right: 34px; bottom: 30px; z-index: 2; border-top: 1px solid rgba(225,234,223,.22); padding-top: 16px; display: flex; justify-content: space-between; align-items: center; color: #c7dbd2; font-size: 10px; letter-spacing: .1em; }
.about-copy h2 { font: 400 clamp(41px,4vw,59px)/1.18 var(--serif); letter-spacing: -.052em; margin-top: 23px; }
.about-copy > p { font-size: 14px; color: #677d7e; line-height: 1.9; margin-top: 25px; }
.about-facts { border-top: 1px solid #d0d9d1; margin-top: 28px; }
.about-facts .fact { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 15px 0; border-bottom: 1px solid #d0d9d1; }
.about-facts .fact span { color: var(--teal); font-size: 11px; font-weight: 750; }
.about-facts .fact strong { font-size: 12px; font-weight: 690; }
.about-clarity { font-size: 11px !important; color: #87918d !important; margin-top: 20px !important; }
/* Contact */
.contact { background: #102c36; color: #eef1e8; position: relative; overflow: hidden; }
.contact::after { content: ''; position: absolute; height: 600px; width: 600px; border: 1px solid rgba(244,241,231,.075); border-radius: 50%; right: -160px; top: -185px; box-shadow: 0 0 0 80px rgba(244,241,231,.02),0 0 0 150px rgba(244,241,231,.018); pointer-events: none; }
.contact-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr .92fr; gap: 9%; align-items: end; }
.contact .eyebrow { color: #d8a783; }
.contact h2 { font: 400 clamp(44px,4.6vw,71px)/1.09 var(--serif); letter-spacing: -.058em; margin: 23px 0 24px; max-width: 680px; }
.contact-copy > p { font-size: 13px; line-height: 1.9; max-width: 510px; color: #a5bcb7; }
.contact-panel { padding: 31px 34px; background: #244450; border: 1px solid rgba(212,229,218,.19); }
.contact-panel .panel-label { color: #c6aa96; font-size: 10px; font-weight: 750; letter-spacing: .15em; }
.email-link { display: block; font: 400 clamp(19px,2.2vw,28px)/1.4 var(--serif); letter-spacing: -.035em; margin-top: 17px; overflow-wrap: anywhere; transition: color .2s; }
.email-link:hover { color: var(--copper-2); }
.contact-panel p { margin-top: 22px; color: #afc6bd; font-size: 12px; line-height: 1.9; }
.contact-panel .button { margin-top: 25px; background: #e6d6c4; color: #15323e; }
.contact-panel .button:hover { background: white; }
/* footer */
.site-footer { background: #0b2530; color: #c4d5cf; border-top: 1px solid rgba(225,235,224,.1); }
.footer-main { padding: 44px 0 31px; display: flex; justify-content: space-between; gap: 40px; }
.footer-brand { display: flex; flex-direction: column; gap: 9px; }
.footer-brand strong { font: 400 24px/1.2 var(--serif); color: #f8f1e5; }
.footer-brand span { font-size: 11px; color: #98b2ad; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; font-size: 11px; }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid rgba(225,235,224,.13); padding: 18px 0 25px; color: #86a39f; font-size: 10px; }
/* Responsive */
@media (max-width: 1120px) {
  .shell { width: min(calc(100% - 62px), var(--wide)); }
  .site-nav { gap: 17px; }
  .header-inner { gap: 15px; }
  .hero-grid { gap: 5%; }
  h1 { font-size: clamp(51px, 5.4vw, 75px); }
  .hero-visual { min-height: 455px; }
  .visual-statement strong { font-size: 28px; }
  .capability { padding-right: 18px; }
  .capability:not(:first-child) { padding-left: 18px; }
}
@media (max-width: 930px) {
  .shell { width: min(calc(100% - 48px), var(--wide)); }
  .site-nav { position: absolute; top: 81px; left: 0; right: 0; background: var(--paper); padding: 16px 24px 25px; display: none; flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--line); box-shadow: 0 20px 26px rgba(16,42,54,.10); }
  .site-nav[data-open="true"] { display: flex; }
  .site-nav a { padding: 12px 0; font-size: 14px; border-bottom: 1px solid var(--line); }
  .menu-toggle { display: flex; }
  .header-right { margin-left: auto; }
  .hero-grid { min-height: unset; padding: 78px 0 96px; grid-template-columns: 1fr; gap: 63px; }
  .hero-copy { max-width: 740px; }
  h1 { font-size: clamp(60px, 8vw, 87px); max-width: 750px; }
  html[lang="zh-CN"] h1 { font-size: clamp(52px, 7.3vw, 78px); }
  .hero-visual { min-height: 500px; max-width: 690px; width: calc(100% - 19px); }
  .section-heading { gap: 28px; }
  .capabilities-grid { grid-template-columns: repeat(2,1fr); }
  .capability { min-height: 260px; padding-left: 25px !important; }
  .capability:nth-child(1), .capability:nth-child(3) { padding-left: 0 !important; }
  .capability:nth-child(2) { border-right: 0; }
  .capability:nth-child(-n+2) { border-bottom: 1px solid #cbd2cc; }
  .approach-wrap, .about-wrap, .contact-grid { gap: 6%; }
}
@media (max-width: 710px) {
  .shell { width: calc(100% - 36px); }
  .header-inner { height: 72px; }
  .brand-mark { width: 39px; height: 39px; }
  .brand-name { font-size: 17px; }
  .brand-sub { font-size: 8px; }
  .header-cta { display: none; }
  .site-nav { top: 71px; }
  .hero-grid { gap: 49px; padding: 68px 0 76px; }
  .hero-label { margin-bottom: 22px; }
  h1 { font-size: clamp(51px, 11.9vw, 79px); }
  html[lang="zh-CN"] h1 { font-size: clamp(45px, 9vw, 64px); }
  .hero-sub { margin-top: 23px; font-size: 14px; line-height: 1.8; }
  .hero-actions { gap: 17px; margin-top: 29px; }
  .hero-note { margin-top: 33px; }
  .hero-visual { min-height: 410px; padding: 20px; box-shadow: 12px 14px 0 #dcded7; }
  .visual-center { inset: 46px 17px 46px; }
  .visual-statement { width: 71%; padding: 17px; }
  .visual-statement strong { font-size: clamp(21px, 5.8vw, 30px); }
  .visual-statement p { font-size: 9px; }
  .visual-card { padding: 9px 10px; }
  .visual-card--a { left: -3px; top: 52px; width: 126px; }
  .visual-card--b { right: -2px; bottom: 38px; width: 130px; }
  .visual-card span { font-size: 12px; }
  .visual-card small { font-size: 8px; }
  .visual-bottom { left: 20px; right: 20px; bottom: 18px; }
  .orbit { height: 225px; width: 225px; }
  .section { padding: 80px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 19px; margin-bottom: 35px; }
  .section-heading h2 { margin-top: 14px; font-size: 43px; }
  .section-heading p { justify-self: start; max-width: 550px; }
  .capability { min-height: 253px; }
  .capability-icon { margin-top: 37px; }
  .area-grid { grid-template-columns: 1fr; gap: 14px; }
  .area-card { min-height: 405px; padding: 30px; }
  .area-main h3 { font-size: 38px; }
  .approach-wrap, .about-wrap, .contact-grid { grid-template-columns: 1fr; gap: 37px; }
  .approach-intro h2, .about-copy h2 { font-size: 46px; }
  .about-graphic { min-height: 373px; }
  .contact-panel { max-width: 520px; }
  .footer-main { flex-direction: column; gap: 26px; }
}
@media (max-width: 430px) {
  .header-inner { gap: 8px; }
  .brand-mark { width: 35px; height: 35px; }
  .brand { gap: 8px; }
  .brand-name { font-size: 16px; }
  .lang-pill { padding: 7px 9px; }
  .hero-grid { padding-top: 60px; }
  h1 { font-size: clamp(49px, 12vw, 62px); }
  html[lang="zh-CN"] h1 { font-size: clamp(41px, 10.6vw, 49px); }
  .hero-visual { min-height: 350px; }
  .visual-statement { width: 70%; }
  .visual-statement .mini-head { font-size: 7px; }
  .visual-statement strong { font-size: 21px; }
  .visual-statement p { font-size: 8px; margin-top: 9px; }
  .visual-statement .barcode { margin-top: 8px; }
  .visual-card--a { top: 32px; }
  .visual-card--b { bottom: 25px; }
  .visual-bottom { font-size: 8px; }
  .capability { padding-left: 13px !important; padding-right: 13px; min-height: 255px; }
  .capability:nth-child(1), .capability:nth-child(3) { padding-left: 0 !important; }
  .capability h3 { font-size: 20px; }
  .capability p { font-size: 11px; }
  .area-card { padding: 25px; }
  .step { grid-template-columns: 32px 1fr 19px; gap: 10px; }
  .step h3 { font-size: 21px; }
  .about-graphic { min-height: 340px; }
  .about-graphic .coordinate b { font-size: 50px; }
  .contact-panel { padding: 23px; }
  .contact h2 { font-size: 45px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}