/* ==========================================================================
   韵翔信科 yunsome.com — design system & components
   Mobile-first. Breakpoints: 640 / 768 / 1024 / 1280.
   ========================================================================== */

/* 1. Tokens --------------------------------------------------------------- */
:root{
  /* 品牌色，取自 logo */
  --brand-300:#5ABAD6;   /* 青蓝高光 */
  --brand-400:#4AA3CB;
  --brand-500:#3E8EBD;   /* 中蓝 */
  --brand-600:#2A75AC;
  --brand-700:#1C5C9A;   /* 深蓝：主按钮、链接 */
  --brand-800:#164A7D;   /* 主按钮 hover */
  --brand-900:#0E2F52;
  --brand-50:#EEF6FB;    /* 浅蓝底：图标底、标签 */
  --brand-100:#D8ECF6;
  --brand-gradient:linear-gradient(135deg,#5ABAD6 0%,#3E8EBD 45%,#1C5C9A 100%);
  /* 中性色 */
  --ink-900:#1B1F23;     /* 标题 */
  --ink-800:#333333;     /* 正文，与 logo 文字色一致 */
  --ink-500:#858B8E;     /* 灰色第二行标题、辅助文字 */
  --ink-400:#A3A9AD;
  --line:#E6E8EB;
  --surface:#FFFFFF;
  --surface-2:#F5F7F9;   /* 浅灰区块和卡片 */
  --surface-warm:#F2F1EE;/* 暖灰卡片 */
  --dark-900:#0B1626;    /* 深色区块 / 首屏底 */
  --dark-800:#11233A;
  --on-dark:#E8EEF4; --on-dark-muted:#9FB1C4;
  /* 字体 */
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","Noto Sans CJK SC","WenQuanYi Micro Hei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-num:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif; /* 英文 eyebrow */
  /* 字号（流式，移动端到桌面端） */
  --fs-display:clamp(2.25rem,1.4rem + 3.6vw,4rem);   /* H1 36→64 */
  --fs-h2:clamp(1.75rem,1.3rem + 1.8vw,2.5rem);       /* 28→40 */
  --fs-h3:clamp(1.25rem,1.1rem + .6vw,1.5rem);        /* 20→24 */
  --fs-lead:clamp(1.0625rem,1rem + .35vw,1.25rem);    /* 17→20 */
  --fs-body:1rem; --fs-small:.875rem; --fs-xs:.75rem;
  --lh-tight:1.2; --lh-snug:1.4; --lh-body:1.75;      /* 中文正文用较大的行高 */
  --tracking-tight:-0.02em;                           /* 只用于 display 和 H2 */
  /* 间距：4px 基准 */
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;--sp-10:128px;
  --section-y:clamp(72px,6vw + 40px,128px);
  --container:1280px; --gutter:clamp(20px,5vw,80px);
  /* 圆角 */
  --r-sm:8px; --r-btn:10px; --r-md:16px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  /* 阴影 */
  --shadow-sm:0 1px 2px rgba(16,24,40,.06);
  --shadow-md:0 8px 24px -8px rgba(16,24,40,.12);
  --shadow-lg:0 24px 48px -16px rgba(14,47,82,.22);
  --shadow-header:0 1px 0 rgba(16,24,40,.06),0 8px 24px -12px rgba(16,24,40,.10);
  /* 动效 */
  --ease-out:cubic-bezier(.22,1,.36,1); --dur-reveal:800ms; --dur-ui:200ms;
  --header-h:72px;
}

/* 2. Reset ---------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
/* smooth only for in-page link jumps (link has focus), not for programmatic scrolls */
html:focus-within{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:var(--font-sans);font-size:var(--fs-body);line-height:var(--lh-body);color:var(--ink-800);background:var(--surface);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul[class],ol[class]{list-style:none;padding:0}
img,svg,canvas{display:block;max-width:100%}
img{height:auto}
a{color:var(--brand-700);text-decoration-thickness:1px;text-underline-offset:3px}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
address{font-style:normal}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
[id]{scroll-margin-top:calc(var(--header-h) + 72px)}
::selection{background:var(--brand-100);color:var(--ink-900)}

/* 3. Typography ----------------------------------------------------------- */
h1,h2,h3{color:var(--ink-900);font-weight:600;line-height:var(--lh-tight)}
h1{font-size:var(--fs-display);letter-spacing:var(--tracking-tight);line-height:1.15}
h2{font-size:var(--fs-h2);letter-spacing:var(--tracking-tight);line-height:1.25}
h3{font-size:var(--fs-h3);line-height:var(--lh-snug)}
h1 .muted,h2 .muted{display:block}
.muted{color:var(--ink-500)}
.lead{font-size:var(--fs-lead);line-height:1.7;color:var(--ink-800);text-wrap:pretty}
.section__head--center .lead{text-wrap:balance}
.eyebrow{display:inline-block;font-family:var(--font-num);font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-600);line-height:1.4}
.small{font-size:var(--fs-small);color:var(--ink-500)}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* 4. Layout --------------------------------------------------------------- */
.container{width:100%;max-width:calc(var(--container) + 2*var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section-y);position:relative}
.section--white{background:var(--surface)}
.section--grey{background:var(--surface-2)}
.section--warm{background:var(--surface-warm)}
.section--dark{background:var(--dark-900);color:var(--on-dark);overflow:hidden}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark .muted{color:var(--on-dark-muted)}
.section--dark .lead,.section--dark p{color:var(--on-dark-muted)}
.section--dark .eyebrow{color:var(--brand-300)}
.section--tight{padding-block:calc(var(--section-y)*.6)}
.section--flush-top{padding-top:0}
.section__head{max-width:720px;display:grid;gap:var(--sp-4);margin-bottom:var(--sp-7)}
.section__head--center{max-width:800px;margin-inline:auto;text-align:center;justify-items:center}

.split{display:grid;gap:var(--sp-7);align-items:start}
.split__aside{display:grid;gap:var(--sp-5);align-content:start}
.split__aside .btn{justify-self:start}
.split__media{min-width:0}
@media (min-width:1024px){
  .split{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(48px,6vw,96px)}
  .split--even{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}
  .split--reverse .split__media{order:-1}
  .split__aside--sticky{position:sticky;top:calc(var(--header-h) + 32px)}
}

.card-grid{display:grid;gap:var(--sp-5)}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){
  .card-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .card-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
}

/* 5. Buttons -------------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);min-height:48px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-family:var(--font-sans);font-size:15px;font-weight:600;line-height:1.2;text-decoration:none;white-space:nowrap;cursor:pointer;transition:background-color var(--dur-ui) ease,color var(--dur-ui) ease,border-color var(--dur-ui) ease,box-shadow var(--dur-ui) ease,transform var(--dur-ui) ease}
.btn:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand-700);color:#fff}
.btn--primary:hover{background:var(--brand-800)}
.btn--secondary{background:var(--brand-50);color:var(--brand-700)}
.btn--secondary:hover{background:var(--brand-100)}
.btn--ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.24)}
.btn--ghost-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4)}
.btn--white{background:#fff;color:var(--brand-700)}
.btn--white:hover{background:var(--brand-50)}
.btn__arrow{transition:transform var(--dur-ui) ease}
.btn:hover .btn__arrow{transform:translateX(3px)}
.btn-row{display:flex;flex-wrap:wrap;gap:var(--sp-3)}

/* 6. Cards ---------------------------------------------------------------- */
.card{position:relative;display:flex;flex-direction:column;gap:var(--sp-3);padding:var(--sp-6);background:var(--surface-2);border-radius:var(--r-lg);color:var(--ink-800);transition:translate var(--dur-ui) ease,box-shadow var(--dur-ui) ease}
.card--white{background:var(--surface)}
.card--warm{background:var(--surface-warm)}
.card__title{font-size:var(--fs-h3);line-height:var(--lh-snug)}
.card__text{color:var(--ink-800);font-size:15px;line-height:1.75}
.card .icon-tile{margin-bottom:var(--sp-3)}
.card__link{margin-top:auto;padding-top:var(--sp-3);display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);text-decoration:none}
.card__link::after{content:"";position:absolute;inset:0;border-radius:inherit}
.card__link:focus-visible{outline:none}
.card:focus-within{outline:2px solid var(--brand-300);outline-offset:2px}
.card__link span{transition:transform var(--dur-ui) ease}
@media (hover:hover){
  .card:hover{translate:0 -4px;box-shadow:var(--shadow-md)}
  .card:hover .card__link span{transform:translateX(4px)}
}

.icon-tile{display:inline-grid;place-items:center;width:48px;height:48px;flex:none;border-radius:12px;background:var(--brand-50);color:var(--brand-700)}
.icon-tile svg{width:24px;height:24px}
.icon-tile--dark{background:rgba(90,186,214,.12);color:var(--brand-300)}

.check-list{display:grid;gap:var(--sp-3)}
.check-list li{position:relative;padding-left:36px;font-weight:500;color:var(--ink-900)}
.check-list li::before{content:"";position:absolute;left:0;top:3px;width:24px;height:24px;border-radius:50%;background:var(--brand-700)}
.check-list li::after{content:"";position:absolute;left:8px;top:9px;width:8px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}

.mini-grid{display:grid;gap:var(--sp-4)}
@media (min-width:640px){.mini-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.mini{padding:var(--sp-5);border-radius:var(--r-md);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);display:grid;gap:var(--sp-2);align-content:start}
.mini .icon-tile{width:40px;height:40px;border-radius:10px;margin-bottom:var(--sp-1)}
.mini .icon-tile svg{width:20px;height:20px}
.mini__title{font-size:16px;font-weight:600;color:#fff;line-height:var(--lh-snug)}
.mini__text{font-size:var(--fs-small);line-height:1.7;color:var(--on-dark-muted)}

.illus{position:relative;border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-sm);overflow:hidden}
.illus svg{width:100%;height:auto}
.illus__legend{display:flex;flex-wrap:wrap;gap:var(--sp-2) var(--sp-5);padding:var(--sp-4) var(--sp-5);border-top:1px solid var(--line);font-size:13px;color:var(--ink-500)}
.illus__legend span{display:inline-flex;align-items:center;gap:var(--sp-2)}
.illus__legend i{display:inline-block;width:18px;height:10px;border-radius:3px}
.legend--cone{background:rgba(90,186,214,.35)}
.legend--route{background:repeating-linear-gradient(90deg,var(--brand-700) 0 5px,transparent 5px 9px);height:3px!important}
.legend--obstacle{border:2px dashed var(--brand-500)}

/* 7. Skip link ------------------------------------------------------------ */
.skip-link{position:absolute;left:var(--sp-4);top:-100px;z-index:100;padding:var(--sp-3) var(--sp-4);border-radius:var(--r-btn);background:var(--brand-700);color:#fff;font-weight:600;text-decoration:none}
.skip-link:focus{top:var(--sp-3)}

/* 8. Header & navigation -------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:50;transition:box-shadow var(--dur-ui) ease}
/* blur lives on a pseudo element so the fixed mobile menu is not trapped by backdrop-filter */
.site-header::before{content:"";position:absolute;inset:0;z-index:-1;background:rgba(255,255,255,.85);-webkit-backdrop-filter:saturate(1.6) blur(12px);backdrop-filter:saturate(1.6) blur(12px)}
.is-scrolled .site-header{box-shadow:var(--shadow-header)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);height:var(--header-h)}
.site-logo{display:inline-flex;align-items:center;flex:none;border-radius:var(--r-sm)}
.site-logo img{height:36px;width:auto}
@media (min-width:768px){.site-logo img{height:40px}}

.nav-toggle{position:relative;display:inline-grid;place-items:center;width:44px;height:44px;margin-right:-10px;border-radius:var(--r-btn);color:var(--ink-900)}
.nav-toggle__bar{position:absolute;left:12px;width:20px;height:2px;border-radius:2px;background:currentColor;transition:transform var(--dur-ui) ease,opacity var(--dur-ui) ease}
.nav-toggle__bar:nth-child(1){top:15px}
.nav-toggle__bar:nth-child(2){top:21px}
.nav-toggle__bar:nth-child(3){top:27px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.site-nav__link{text-decoration:none;color:var(--ink-800);font-weight:600}
.site-nav__link:hover{color:var(--brand-700)}
.site-nav__link[aria-current="page"]{color:var(--brand-700)}

/* mobile: full-screen panel below the header (JS only); without JS the links wrap below the logo */
@media (max-width:1023.98px){
  .js .site-nav{position:fixed;inset:var(--header-h) 0 0 0;z-index:49;display:flex;flex-direction:column;gap:var(--sp-6);padding:var(--sp-5) var(--gutter) var(--sp-7);background:var(--surface);overflow-y:auto;overscroll-behavior:contain;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity 250ms ease,transform 250ms var(--ease-out),visibility 0s linear 250ms}
  .js .menu-open .site-nav{visibility:visible;opacity:1;transform:none;transition-delay:0s}
  .js .site-nav__list{display:grid}
  .js .site-nav__list li{border-bottom:1px solid var(--line);opacity:0;transform:translateY(8px);transition:opacity 300ms ease,transform 300ms var(--ease-out)}
  .js .menu-open .site-nav__list li{opacity:1;transform:none}
  .js .menu-open .site-nav__list li:nth-child(2){transition-delay:50ms}
  .js .menu-open .site-nav__list li:nth-child(3){transition-delay:100ms}
  .js .menu-open .site-nav__list li:nth-child(4){transition-delay:150ms}
  .js .menu-open .site-nav__list li:nth-child(5){transition-delay:200ms}
  .js .site-nav__link{display:flex;align-items:center;justify-content:space-between;padding:18px 0;font-size:22px}
  .js .site-nav__link::after{content:"";width:8px;height:8px;border-top:2px solid var(--ink-400);border-right:2px solid var(--ink-400);transform:rotate(45deg)}
  .js .site-nav__link[aria-current="page"]::after{border-color:var(--brand-700)}
  .js .site-nav__cta{width:100%;min-height:52px;font-size:16px}
  .js .menu-open{overflow:hidden}
  .js .menu-open .site-header{box-shadow:0 1px 0 var(--line)}
  .no-js .nav-toggle{display:none}
  .no-js .site-header__inner{flex-wrap:wrap;row-gap:var(--sp-3);height:auto;min-height:var(--header-h);padding-block:var(--sp-3)}
  .no-js .site-nav{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3) var(--sp-4);width:100%}
  .no-js .site-nav__list{display:flex;flex-wrap:wrap;gap:var(--sp-1) var(--sp-4)}
  .no-js .site-nav__link{display:inline-block;padding:6px 0;font-size:15px}
  .no-js .site-nav__cta{min-height:40px;padding:0 18px}
}
@media (min-width:1024px){
  .nav-toggle{display:none}
  .site-nav{display:flex;align-items:center;flex:1;gap:var(--sp-5)}
  .site-nav__list{display:flex;gap:var(--sp-1);margin-inline:auto}
  .site-nav__link{position:relative;display:block;padding:8px 16px;font-size:15px;border-radius:var(--r-pill);transition:color var(--dur-ui) ease,background-color var(--dur-ui) ease}
  .site-nav__link:hover{background:var(--surface-2)}
  .site-nav__link[aria-current="page"]::after{content:"";position:absolute;left:50%;bottom:0;width:4px;height:4px;margin-left:-2px;border-radius:50%;background:var(--brand-700)}
  .site-nav__cta{min-height:42px;padding:0 20px}
}

/* 9. Footer --------------------------------------------------------------- */
.site-footer{background:var(--dark-900);color:var(--on-dark-muted);padding:var(--sp-9) 0 var(--sp-6);font-size:var(--fs-small)}
.site-footer a{color:var(--on-dark-muted);text-decoration:none;transition:color var(--dur-ui) ease}
.site-footer a:hover{color:#fff}
.site-footer__grid{display:grid;gap:var(--sp-7) var(--sp-6)}
@media (min-width:640px){.site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.site-footer__grid{grid-template-columns:1.6fr 1fr 1fr 1.5fr}}
.site-footer__brand{display:grid;gap:var(--sp-4);align-content:start;max-width:340px}
.site-footer__brand img{height:40px;width:auto}
.site-footer__brand p{line-height:1.8}
.site-footer__title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.04em;margin-bottom:var(--sp-4)}
.site-footer__links{display:grid;gap:var(--sp-3)}
.site-footer__links li{line-height:1.6}
.site-footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--sp-2) var(--sp-5);margin-top:var(--sp-8);padding-top:var(--sp-5);border-top:1px solid rgba(255,255,255,.08);font-size:13px}

/* 10. Reveal on scroll (only hidden when JS runs) ------------------------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity var(--dur-reveal) var(--ease-out),transform var(--dur-reveal) var(--ease-out);transition-delay:calc(var(--d,0)*90ms)}
.js .reveal--scale{transform:scale(.96)}
.js .reveal--left{transform:translateX(-24px)}
.js .reveal--right{transform:translateX(24px)}
.js .reveal.is-visible{opacity:1;transform:none}
.js .card.reveal{transition:opacity var(--dur-reveal) var(--ease-out) calc(var(--d,0)*90ms),transform var(--dur-reveal) var(--ease-out) calc(var(--d,0)*90ms),translate var(--dur-ui) ease,box-shadow var(--dur-ui) ease}

/* 11. Hero ---------------------------------------------------------------- */
.hero{padding-top:var(--sp-2)}
.hero__stage{position:relative;isolation:isolate;overflow:hidden;margin-inline:var(--gutter);border-radius:var(--r-xl);min-height:min(86vh,760px);display:flex;color:var(--on-dark);background:radial-gradient(120% 90% at 85% 10%,rgba(28,92,154,.55) 0%,transparent 60%),linear-gradient(160deg,var(--dark-900) 0%,var(--dark-800) 45%,var(--brand-900) 100%)}
@media (max-width:639.98px){.hero__stage{margin-inline:12px;border-radius:var(--r-lg)}}
.hero__mesh{position:absolute;inset:0;z-index:-3;overflow:hidden}
.hero__blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;will-change:transform}
.hero__blob--1{width:46vw;max-width:620px;aspect-ratio:1;right:-8%;top:-22%;background:radial-gradient(circle,#5ABAD6 0%,rgba(90,186,214,0) 70%);animation:drift-a 22s ease-in-out infinite alternate}
.hero__blob--2{width:40vw;max-width:540px;aspect-ratio:1;left:-12%;bottom:-30%;background:radial-gradient(circle,#3E8EBD 0%,rgba(62,142,189,0) 70%);animation:drift-b 26s ease-in-out infinite alternate}
.hero__blob--3{width:34vw;max-width:460px;aspect-ratio:1;right:22%;bottom:-18%;background:radial-gradient(circle,#1C5C9A 0%,rgba(28,92,154,0) 70%);animation:drift-c 18s ease-in-out infinite alternate}
@media (max-width:767.98px){.hero__blob--1{width:90vw}.hero__blob--2{width:80vw}.hero__blob--3{width:70vw}}
@keyframes drift-a{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(-8%,10%,0) scale(1.12)}}
@keyframes drift-b{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(12%,-8%,0) scale(1.08)}}
@keyframes drift-c{0%{transform:translate3d(0,0,0) scale(.95)}100%{transform:translate3d(-14%,-6%,0) scale(1.1)}}
.hero__grid{position:absolute;inset:0;z-index:-2;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;background-position:-1px -1px;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 60% 45%,#000 25%,transparent 75%);mask-image:radial-gradient(ellipse 70% 70% at 60% 45%,#000 25%,transparent 75%)}
.hero__canvas{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none}
.hero__inner{position:relative;flex:1;display:flex;flex-direction:column;justify-content:center;gap:var(--sp-7);padding:clamp(40px,7vw,96px) clamp(24px,6vw,88px)}
.hero__content{max-width:840px;display:grid;gap:var(--sp-5);justify-items:start}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-family:var(--font-num);font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--on-dark);line-height:1.4}
.hero__eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-300);box-shadow:0 0 0 4px rgba(90,186,214,.2)}
.hero__title{color:#fff;font-size:clamp(1.75rem,0.9rem + 2.6vw,3rem);line-height:1.18}
.hero__line{display:block}
@media (min-width:768px){.hero__br-sm{display:none}.hero__lead-tail{display:block}}
.hero__title .muted{color:var(--on-dark-muted)}
.hero__lead{max-width:640px;color:rgba(232,238,244,.82)}
.hero__actions{padding-top:var(--sp-2)}
/* inner-page heroes: single-line page title at the inner-page display size */
.hero__title--page{font-size:var(--fs-display);line-height:1.15}
/* about: constellation hero, shorter panel for three lines of text; at >=768 it keeps the
   first WHO WE ARE paragraph above main.js's bottom-10% reveal band so it paints on load */
.hero--constellation .hero__stage{min-height:min(56vh,500px)}
@media (max-width:767.98px){.hero--constellation .hero__stage{min-height:min(64vh,520px)}}
/* load-in */
.js .hero__eyebrow,.js .hero__line,.js .hero__lead,.js .hero__actions{animation:hero-in 900ms var(--ease-out) both}
.js .hero__line:nth-child(2){animation-delay:120ms}
.js .hero__line:nth-child(3){animation-delay:200ms}
.js .hero__lead{animation-delay:300ms}
.js .hero__actions{animation-delay:360ms}
@keyframes hero-in{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

/* 11a. Hero · flow (home) ------------------------------------------------ */
/* WebGL1「光场」(hero-flow.js). Posters only download on fallback (.is-poster) or without JS. */
.hero--flow .hero__stage{
  --pad-x:clamp(24px,6vw,88px);
  --biz-h:88px;          /* bottom business strip */
  --vis-h:0px;           /* extra room for the visual below the text (stacked layouts) */
  flex-direction:column;
  background-color:var(--dark-900);
  background-image:radial-gradient(60% 70% at 82% 18%,rgba(28,92,154,.30) 0%,transparent 70%),linear-gradient(180deg,var(--dark-900) 0%,var(--dark-800) 62%,var(--brand-900) 100%);
  background-repeat:no-repeat
}
.no-js .hero--flow .hero__stage,.hero--flow .hero__stage.is-poster{
  background-image:url(../img/hero/flow-1440.webp),radial-gradient(60% 70% at 82% 18%,rgba(28,92,154,.45) 0%,transparent 70%),linear-gradient(180deg,var(--dark-900) 0%,var(--dark-800) 62%,var(--brand-900) 100%);
  background-size:cover,auto,auto;background-position:50% 50%
}
@media (max-width:1359.98px){.no-js .hero--flow .hero__stage,.hero--flow .hero__stage.is-poster{background-image:url(../img/hero/flow-1280.webp),radial-gradient(60% 70% at 82% 18%,rgba(28,92,154,.45) 0%,transparent 70%),linear-gradient(180deg,var(--dark-900) 0%,var(--dark-800) 62%,var(--brand-900) 100%)}}
@media (max-width:1151.98px){.no-js .hero--flow .hero__stage,.hero--flow .hero__stage.is-poster{background-image:url(../img/hero/flow-1024.webp),radial-gradient(60% 70% at 82% 18%,rgba(28,92,154,.45) 0%,transparent 70%),linear-gradient(180deg,var(--dark-900) 0%,var(--dark-800) 62%,var(--brand-900) 100%)}}
@media (max-width:1023.98px){.no-js .hero--flow .hero__stage,.hero--flow .hero__stage.is-poster{background-image:url(../img/hero/flow-768.webp),radial-gradient(80% 50% at 80% 78%,rgba(28,92,154,.45) 0%,transparent 70%),linear-gradient(180deg,var(--dark-900) 0%,var(--dark-800) 62%,var(--brand-900) 100%);background-position:50% 100%}}
@media (max-width:767.98px){.no-js .hero--flow .hero__stage,.hero--flow .hero__stage.is-poster{background-image:url(../img/hero/flow-390.webp),radial-gradient(80% 50% at 80% 78%,rgba(28,92,154,.45) 0%,transparent 70%),linear-gradient(180deg,var(--dark-900) 0%,var(--dark-800) 62%,var(--brand-900) 100%);background-position:50% 100%}}
.hero--flow .hero__canvas{z-index:0;opacity:0;transition:opacity 600ms var(--ease-out)}
.hero--flow .hero__stage.is-live .hero__canvas{opacity:1}
.hero--flow .hero__inner{z-index:1;justify-content:flex-start;padding:clamp(40px,5.6vw,80px) var(--pad-x) calc(var(--biz-h) + var(--vis-h) + clamp(32px,4vw,56px))}
.hero--flow .hero__title{font-size:clamp(1.75rem,0.9rem + 2.6vw,3.25rem)}
.hero--flow .hero__line{width:fit-content}

/* bottom strip: the three business lines, each one drives one layer of the shader */
.hero-biz{position:absolute;z-index:2;left:0;right:0;bottom:0;background:linear-gradient(180deg,rgba(11,22,38,.38) 0%,rgba(11,22,38,.6) 100%);-webkit-backdrop-filter:blur(12px) saturate(1.3);backdrop-filter:blur(12px) saturate(1.3);border-top:1px solid rgba(255,255,255,.12)}
.hero-biz__list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));min-height:var(--biz-h);padding-inline:calc(var(--pad-x) - 20px)}
.hero-biz__list>li{display:flex;min-width:0}
.hero-biz__list>li+li{border-left:1px solid rgba(255,255,255,.08)}
.hero-biz__item{position:relative;flex:1;display:flex;align-items:center;gap:14px;min-width:0;padding:0 20px;color:var(--on-dark);text-decoration:none;transition:background-color var(--dur-ui) ease}
.hero-biz__item::before{content:"";position:absolute;left:20px;right:20px;top:-1px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-300),var(--brand-500));transform:scaleX(0);transform-origin:left;transition:transform 700ms var(--ease-out)}
.hero-biz__item.is-active::before,.hero-biz__item:hover::before,.hero-biz__item:focus-visible::before{transform:scaleX(1)}
.hero-biz__item.is-active,.hero-biz__item:hover,.hero-biz__item:focus-visible{background:rgba(255,255,255,.035)}
.hero-biz__item:focus-visible{outline:2px solid var(--brand-300);outline-offset:-6px;border-radius:14px}
.hero-biz__glyph{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:rgba(90,186,214,.10);border:1px solid rgba(90,186,214,.22);color:var(--brand-300);transition:background-color var(--dur-ui) ease,border-color var(--dur-ui) ease}
.hero-biz__item.is-active .hero-biz__glyph,.hero-biz__item:hover .hero-biz__glyph{background:rgba(90,186,214,.18);border-color:rgba(90,186,214,.45)}
.hero-biz__glyph svg{width:22px;height:22px}
.hero-biz__text{display:grid;gap:2px;min-width:0}
.hero-biz__meta{font-family:var(--font-num);font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--on-dark-muted);line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero-biz__num{color:var(--brand-300);margin-right:10px}
.hero-biz__name{font-size:15px;font-weight:600;color:#fff;line-height:1.4}

/* tablet & phone: stacked — text on top, visual underneath, strip at the bottom */
@media (max-width:1023.98px){
  .hero--flow .hero__stage{--vis-h:250px;min-height:0}
  .hero-biz__en{display:none}
}
@media (max-width:767.98px){
  .hero--flow .hero__stage{--biz-h:112px;--vis-h:200px}
  .hero--flow .hero__inner{padding-top:36px;padding-bottom:calc(var(--biz-h) + var(--vis-h))}
  .hero--flow .hero__content{gap:20px}
  .hero-biz__list{padding-inline:4px}
  .hero-biz__item{flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:8px;padding:14px 10px 12px}
  .hero-biz__item::before{left:10px;right:10px}
  .hero-biz__glyph{width:30px;height:30px;border-radius:8px}
  .hero-biz__glyph svg{width:18px;height:18px}
  .hero-biz__name{font-size:13px;line-height:1.35}
}
/* load-in: the strip fades in after the text (the visual has its own choreography in hero-flow.js) */
.js .hero-biz{animation:hero-fade 900ms var(--ease-out) 600ms both}
@keyframes hero-fade{from{opacity:0}to{opacity:1}}

/* 11b. Hero · globe (services) ------------------------------------------- */
/* canvas2D「点阵星球」(hero-globe.js) on a light panel. hero-globe.js reads --globe-mode:
   stack <768   text → globe on a dot floor → legend rows
   rise 768–1279 text → planet dome rising from the bottom edge, one-row legend over its foot
   side ≥1280   text + legend card in the left column, cropped globe on the right
   Posters only download without JS or when canvas2D is unavailable (.is-poster). */
.hero--globe .hero__stage{
  --globe-mode:stack;
  --globe-muted:#5C6366;  /* grey text inside this panel: ≥4.5:1 even on its darkest stop (--ink-500 is ~3.2:1 here) */
  --pad-y:clamp(40px,7vw,96px);
  --pad-x:clamp(24px,6vw,88px);
  color:var(--ink-800);
  background-color:#F7FAFC;
  background-image:radial-gradient(56% 64% at 20% 40%,rgba(255,255,255,.92) 0%,rgba(255,255,255,0) 72%),linear-gradient(180deg,#F7FAFC 0%,var(--brand-50) 55%,#DCEBF6 100%);
  background-repeat:no-repeat;
  /* hairline + soft drop so the light panel separates from the white blocks around it */
  box-shadow:inset 0 0 0 1px rgba(28,92,154,.10),0 18px 40px -28px rgba(14,47,82,.28)
}
.no-js .hero--globe .hero__stage,.hero--globe .hero__stage.is-poster{
  background-image:url(../img/hero/globe-1440.webp),radial-gradient(56% 64% at 20% 40%,rgba(255,255,255,.92) 0%,rgba(255,255,255,0) 72%),linear-gradient(180deg,#F7FAFC 0%,var(--brand-50) 55%,#DCEBF6 100%);
  background-size:cover,auto,auto;background-position:100% 50%
}
@media (max-width:1359.98px){.no-js .hero--globe .hero__stage,.hero--globe .hero__stage.is-poster{background-image:url(../img/hero/globe-1280.webp),radial-gradient(56% 64% at 20% 40%,rgba(255,255,255,.92) 0%,rgba(255,255,255,0) 72%),linear-gradient(180deg,#F7FAFC 0%,var(--brand-50) 55%,#DCEBF6 100%)}}
@media (max-width:1279.98px){.no-js .hero--globe .hero__stage,.hero--globe .hero__stage.is-poster{background-image:url(../img/hero/globe-1024.webp),radial-gradient(56% 64% at 20% 40%,rgba(255,255,255,.92) 0%,rgba(255,255,255,0) 72%),linear-gradient(180deg,#F7FAFC 0%,var(--brand-50) 55%,#DCEBF6 100%);background-position:50% 100%}}
@media (max-width:1023.98px){.no-js .hero--globe .hero__stage,.hero--globe .hero__stage.is-poster{background-image:url(../img/hero/globe-768.webp),radial-gradient(56% 64% at 20% 40%,rgba(255,255,255,.92) 0%,rgba(255,255,255,0) 72%),linear-gradient(180deg,#F7FAFC 0%,var(--brand-50) 55%,#DCEBF6 100%)}}
@media (max-width:767.98px){.no-js .hero--globe .hero__stage,.hero--globe .hero__stage.is-poster{background-image:url(../img/hero/globe-390.webp),radial-gradient(56% 64% at 20% 40%,rgba(255,255,255,.92) 0%,rgba(255,255,255,0) 72%),linear-gradient(180deg,#F7FAFC 0%,var(--brand-50) 55%,#DCEBF6 100%)}}
.hero--globe .hero__canvas{z-index:0}
.hero--globe .hero__inner{z-index:1;gap:var(--sp-6);padding:var(--pad-y) var(--pad-x)}
.hero--globe .hero__eyebrow{background:#fff;border-color:var(--brand-100);color:var(--brand-600)}
.hero--globe .hero__title{color:var(--ink-900)}
.hero--globe .hero__title .muted{color:var(--globe-muted)}
.hero--globe .hero__lead{color:var(--ink-800)}
/* visual slot: the canvas draws the globe into this box in stack / rise modes */
.hero--globe .hero__visual{position:relative;margin-inline:calc(-1 * var(--pad-x));height:clamp(300px,88vw,360px)}
/* legend card: each symbol is the matching element of the drawing; rows link to the sections below */
.hero--globe .hero__legend{width:100%;padding:14px 18px 8px;border-radius:var(--r-md);background:#fff;box-shadow:var(--shadow-md),0 0 0 1px rgba(28,92,154,.05)}
.hero--globe .hero__legend-title{font-size:13px;font-weight:600;line-height:1.4;color:var(--globe-muted);letter-spacing:.04em;margin-bottom:4px}
.hero--globe .hero__legend-list li+li{border-top:1px solid var(--line)}
.hero--globe .hero__legend-item{display:flex;align-items:center;gap:10px;padding:10px 6px;margin-inline:-6px;border-radius:var(--r-sm);color:var(--ink-900);font-size:15px;font-weight:600;line-height:1.4;text-decoration:none;transition:background-color var(--dur-ui) ease}
.hero--globe .hero__legend-item:hover{background:var(--brand-50)}
.hero--globe .hero__legend-num{flex:none;font-family:var(--font-num);font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--brand-600);font-variant-numeric:tabular-nums}
.hero--globe .hero__sym{flex:none;width:20px;height:20px;fill:var(--brand-500)}
.hero--globe .hero__sym--node .ring{fill:none;stroke:var(--brand-300);stroke-width:1.25}
.hero--globe .hero__sym--node .core{fill:#fff;stroke:var(--brand-700);stroke-width:1.5}
.hero--globe .hero__sym--arc .track{fill:none;stroke:var(--brand-600);stroke-width:1.5;stroke-linecap:round}
.hero--globe .hero__sym--arc .glow{fill:rgba(90,186,214,.35)}
.hero--globe .hero__sym--arc .head{fill:#fff;stroke:var(--brand-500);stroke-width:1}
.hero--globe .hero__sym--arc .hub{fill:var(--brand-700)}
/* load-in: the legend waits for the globe to form */
.js .hero--globe .hero__legend{animation:hero-in 700ms var(--ease-out) 2200ms both}

/* 768–1279: planet dome rising from the bottom edge; the legend is a one-row card over its foot */
@media (min-width:768px){
  .hero--globe .hero__stage{--globe-mode:rise;--pad-y:clamp(40px,5vw,64px)}
  .hero--globe .hero__inner{justify-content:flex-start;gap:var(--sp-6)}
  /* the dome takes whatever the first screen has left under the text */
  .hero--globe .hero__visual{margin-top:auto;margin-bottom:calc(-1 * var(--pad-y));height:clamp(200px,calc(100vh - 560px),320px)}
  .hero--globe .hero__legend{position:absolute;left:var(--pad-x);bottom:20px;z-index:2;display:flex;align-items:center;width:auto;max-width:calc(100% - 2 * var(--pad-x));padding:6px 8px 6px 18px}
  .hero--globe .hero__legend-title{margin:0 14px 0 0;padding-right:14px;border-right:1px solid var(--line);white-space:nowrap}
  .hero--globe .hero__legend-list{display:flex}
  .hero--globe .hero__legend-list li+li{border-top:0}
  .hero--globe .hero__legend-item{margin:0;padding:8px 12px 8px 10px;font-size:14px;white-space:nowrap}
}
@media (min-width:768px) and (max-width:1023.98px){
  .hero--globe .hero__legend{padding-left:10px}
  .hero--globe .hero__legend-title{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);border:0}
  .hero--globe .hero__legend-num{display:none}
  .hero--globe .hero__legend-item{gap:8px;padding:8px 10px;font-size:13px}
}
/* ≥1280: side composition; the legend card follows the text in the left column so the globe's foot stays clear */
@media (min-width:1280px){
  .hero--globe .hero__stage{--globe-mode:side;--pad-y:clamp(40px,7vw,96px)}
  .hero--globe .hero__inner{justify-content:center}
  .hero--globe .hero__visual{display:none}
  .hero--globe .hero__legend{position:static;display:block;width:280px;max-width:none;margin-top:0;padding:16px 20px 8px}
  .hero--globe .hero__legend-title{margin:0 0 4px;padding:0;border:0}
  .hero--globe .hero__legend-list{display:block}
  .hero--globe .hero__legend-list li+li{border-top:1px solid var(--line)}
  .hero--globe .hero__legend-item{margin-inline:-6px;padding:10px 6px;font-size:15px;white-space:normal}
}

/* 11c. Hero · core (solutions) ------------------------------------------ */
/* three.js r180 / WebGL2「晶核」(hero-core.js → hero-core.bundle.min.js). The scene positions the
   three .layer-tag captions next to their layer (.mode-side), or uses numbered pins plus a legend
   (.mode-legend); below 820px it stacks text → chip → legend rows. Without JS, or with .is-poster
   (no WebGL2 / import failed / context lost), the poster and the static legend show instead. */
.hero--core .hero__stage{
  /* same gradient the WebGL background draws, so the canvas fade-in is seamless */
  background-color:var(--dark-900);
  background-image:radial-gradient(70% 80% at 86% 6%,rgba(14,47,82,.95) 0%,rgba(14,47,82,0) 70%),radial-gradient(60% 70% at 74% 66%,rgba(17,35,58,.9) 0%,rgba(17,35,58,0) 70%);
  background-repeat:no-repeat
}
.no-js .hero--core .hero__stage,.hero--core .hero__stage.is-poster{
  background-image:url(../img/hero/core-1440.webp),radial-gradient(70% 80% at 86% 6%,rgba(14,47,82,.95) 0%,rgba(14,47,82,0) 70%),radial-gradient(60% 70% at 74% 66%,rgba(17,35,58,.9) 0%,rgba(17,35,58,0) 70%);
  background-size:cover,auto,auto;background-position:100% 50%
}
@media (max-width:1359.98px){.no-js .hero--core .hero__stage,.hero--core .hero__stage.is-poster{background-image:url(../img/hero/core-1280.webp),radial-gradient(70% 80% at 86% 6%,rgba(14,47,82,.95) 0%,rgba(14,47,82,0) 70%),radial-gradient(60% 70% at 74% 66%,rgba(17,35,58,.9) 0%,rgba(17,35,58,0) 70%)}}
@media (max-width:1151.98px){.no-js .hero--core .hero__stage,.hero--core .hero__stage.is-poster{background-image:url(../img/hero/core-1024.webp),radial-gradient(70% 80% at 86% 6%,rgba(14,47,82,.95) 0%,rgba(14,47,82,0) 70%),radial-gradient(60% 70% at 74% 66%,rgba(17,35,58,.9) 0%,rgba(17,35,58,0) 70%)}}
@media (max-width:819.98px){.no-js .hero--core .hero__stage,.hero--core .hero__stage.is-poster{background-image:url(../img/hero/core-768.webp),radial-gradient(70% 80% at 86% 6%,rgba(14,47,82,.95) 0%,rgba(14,47,82,0) 70%),radial-gradient(60% 70% at 74% 66%,rgba(17,35,58,.9) 0%,rgba(17,35,58,0) 70%);background-position:50% 100%}}
@media (max-width:639.98px){.no-js .hero--core .hero__stage,.hero--core .hero__stage.is-poster{background-image:url(../img/hero/core-390.webp),radial-gradient(70% 80% at 86% 6%,rgba(14,47,82,.95) 0%,rgba(14,47,82,0) 70%),radial-gradient(60% 70% at 74% 66%,rgba(17,35,58,.9) 0%,rgba(17,35,58,0) 70%)}}
.hero--core .hero__gl{position:absolute;inset:0;z-index:-2;width:100%;height:100%;opacity:0;transition:opacity 600ms ease}
.hero--core .hero__leaders{position:absolute;inset:0;z-index:-1;width:100%;height:100%;overflow:visible;pointer-events:none;opacity:0;transition:opacity 400ms ease}
.hero--core .hero__stage.is-live .hero__gl{opacity:1}
.hero--core .hero__stage.tags-on .hero__leaders{opacity:1}
/* the scene measures glyph extents, not the 840px column */
.hero--core .hero__line{width:fit-content}
/* 820–1279: a slightly smaller lead leaves room for the chip */
@media (min-width:820px) and (max-width:1279.98px){.hero--core .hero__lead{font-size:clamp(17px,1.55vw,19px)}}
/* chip zone placeholder (stacked layout only) */
.hero--core .hero__visual{display:none}

/* captions: one per layer of the chip */
.hero--core .layer-tag{display:grid;gap:2px;line-height:1.4}
.hero--core .layer-tag__meta{display:flex;align-items:center;gap:8px;font-family:var(--font-num);font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--on-dark-muted)}
.hero--core .layer-tag__num{font-size:11px;letter-spacing:.06em;color:var(--brand-300);font-variant-numeric:tabular-nums}
.hero--core .layer-tag__name{font-size:14px;font-weight:600;color:#fff;white-space:nowrap}
/* static legend: no JS, .is-poster, and the default before the scene lays it out */
.hero--core .hero__stage .hero__layers{display:grid;gap:14px;padding:18px 20px;border-radius:16px;background:rgba(11,22,38,.86);border:1px solid rgba(255,255,255,.12);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.hero--core .hero__layers .layer-tag{grid-template-columns:auto 1fr;column-gap:12px;align-items:center}
.hero--core .hero__layers .layer-tag::before{content:"";grid-row:span 2;width:10px;height:10px;border-radius:3px;background:var(--brand-500)}
.hero--core .hero__layers .layer-tag[data-layer="1"]::before{background:var(--brand-300);box-shadow:0 0 10px rgba(90,186,214,.6)}
.hero--core .hero__layers .layer-tag[data-layer="2"]::before{background:var(--brand-100)}
@media (min-width:820px){
  .hero--core .hero__stage .hero__layers{position:absolute;right:clamp(24px,3vw,40px);bottom:clamp(24px,3vw,40px);width:260px}
}
/* live: hero-core.bundle.min.js positions the captions next to the layer they describe */
.hero--core .hero__stage.is-live .hero__layers{position:absolute;inset:0;width:auto;padding:0;border:0;background:none;-webkit-backdrop-filter:none;backdrop-filter:none;pointer-events:none;display:block}
.hero--core .is-live .hero__layers .layer-tag{position:absolute;left:0;top:0;padding:7px 11px 8px;border-radius:9px;background:rgba(11,22,38,.86);border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;transition:opacity 500ms ease,border-color 200ms ease,background-color 200ms ease;pointer-events:auto;will-change:transform;display:grid;grid-template-columns:none}
.hero--core .is-live .hero__layers .layer-tag::before{display:none}
.hero--core .is-live .hero__layers.is-shown .layer-tag{opacity:1}
.hero--core .is-live .hero__layers.is-shown .layer-tag[data-layer="1"]{transition-delay:120ms}
.hero--core .is-live .hero__layers.is-shown .layer-tag[data-layer="2"]{transition-delay:240ms}
.hero--core .is-live .hero__layers .layer-tag:hover,.hero--core .is-live .hero__layers .layer-tag.is-focus{border-color:rgba(90,186,214,.55);background:rgba(14,47,82,.72)}
/* legend mode (mid widths): a static list below the chip, the chip carries numbered pins */
.hero--core .is-live.mode-legend .hero__layers .layer-tag{display:flex;align-items:center;gap:10px;padding:0;border:0;background:none;-webkit-backdrop-filter:none;backdrop-filter:none}
.hero--core .is-live.mode-legend .hero__layers .layer-tag__en{display:none}
/* until the scene has placed the captions (or the fallback shows the static legend) */
.hero--core .hero__stage.is-booting .hero__layers{visibility:hidden}
.hero--core .hero__pins{position:absolute;inset:0;pointer-events:none;display:none}
.hero--core .is-live.mode-legend .hero__pins{display:block}
.hero--core .hero__pin{position:absolute;left:0;top:0;display:grid;place-items:center;width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;background:rgba(11,22,38,.8);border:1px solid rgba(90,186,214,.7);font-family:var(--font-num);font-size:10px;font-weight:600;color:var(--brand-100);opacity:0;transition:opacity 500ms ease}
.hero--core .hero__layers.is-shown ~ .hero__pins .hero__pin{opacity:1}

/* stacked (<820): text, then the chip, then the legend rows — same rows live, as poster and without JS */
@media (max-width:819.98px){
  .hero--core .hero__stage{min-height:0}
  .hero--core .hero__inner{justify-content:flex-start;gap:0;padding:40px 24px 28px}
  .hero--core .hero__visual{display:block;height:clamp(280px,62vw,380px);margin-top:12px}
  .hero--core .hero__stage .hero__layers,.hero--core .hero__stage.is-live .hero__layers{position:static;display:grid;gap:0;margin-top:8px;padding:0;border:0;border-radius:0;background:none;-webkit-backdrop-filter:none;backdrop-filter:none}
  .hero--core .hero__layers .layer-tag,.hero--core .is-live .hero__layers .layer-tag,.hero--core .is-live.mode-legend .hero__layers .layer-tag{position:static;transform:none!important;display:flex;align-items:center;gap:10px;padding:12px 2px;border-radius:0;border:0;border-top:1px solid rgba(255,255,255,.1);background:none;-webkit-backdrop-filter:none;backdrop-filter:none}
  .hero--core .hero__layers .layer-tag::before,.hero--core .is-live .hero__layers .layer-tag::before{display:block}
  .hero--core .hero__layers .layer-tag:first-child,.hero--core .is-live .hero__layers .layer-tag:first-child,.hero--core .is-live.mode-legend .hero__layers .layer-tag:first-child{border-top:0}
  .hero--core .hero__layers .layer-tag__en{display:none}
}
@media (max-width:639.98px){
  .hero--core .hero__inner{padding:32px 20px 20px}
  .hero--core .hero__visual{height:300px}
}

/* 12b. What we do (home) ------------------------------------------------- */
.wwd__grid{display:grid;gap:var(--sp-7);align-items:start}
.wwd__body{display:grid;gap:var(--sp-5);align-content:start}
.wwd__cards{display:grid;gap:var(--sp-4);margin-top:var(--sp-2)}
.wwd__card{flex-direction:row;align-items:flex-start;gap:var(--sp-4);padding:var(--sp-4) var(--sp-5)}
.wwd__card .icon-tile{margin-bottom:0;width:40px;height:40px;border-radius:10px}
.wwd__card .icon-tile svg{width:20px;height:20px}
.wwd__card .card__title{font-size:18px;margin-bottom:var(--sp-1)}
.wwd__card .card__text{font-size:15px;line-height:1.65}
.wwd__card .card__link{padding-top:var(--sp-2)}
.wwd__card .icon-tile{transition:background-color 300ms ease,color 300ms ease}
.js .wwd__card.reveal{transition:opacity var(--dur-reveal) var(--ease-out) calc(var(--d,0)*90ms),transform var(--dur-reveal) var(--ease-out) calc(var(--d,0)*90ms),translate var(--dur-ui) ease,box-shadow 300ms ease,background-color 300ms ease}
.wwd__card.is-active{background:#fff;box-shadow:var(--shadow-md),inset 0 0 0 1px var(--brand-100)}
.wwd__card.is-active .icon-tile{background:var(--brand-gradient);color:#fff}
.wwd__art{max-width:560px;width:100%;margin-inline:auto;border-radius:var(--r-lg);background:linear-gradient(160deg,#F7FAFC,var(--brand-50));box-shadow:var(--shadow-sm);overflow:hidden}
.wwd__art svg{width:100%;height:auto}
.wwd-led{fill:#5ABAD6;animation:breathe 2.4s ease-in-out infinite}
.wwd-flow{stroke-dasharray:4 6;animation:dash-10 1.2s linear infinite}
.wwd-signal{stroke-dasharray:6 8;animation:dash-14 1.2s linear infinite}
.wwd-float{transform-box:fill-box;animation:wwd-float 6s ease-in-out infinite;animation-delay:calc(var(--d,0)*-2s)}
@keyframes wwd-float{0%,100%{transform:none}50%{transform:translateY(-6px)}}
.js .wwd-layer{opacity:0;transform:translateY(16px);transition:opacity 700ms var(--ease-out),transform 700ms var(--ease-out);transition-delay:calc(200ms + var(--d,0)*160ms)}
.js .is-visible .wwd-layer{opacity:1;transform:none}
/* scroll-linked highlight (class names set by main.js on >=1024px only) */
.wwd-hl{opacity:0;transition:opacity 400ms ease}
.wwd-layer text{transition:fill 400ms ease}
.wwd-layer.is-active .wwd-hl{opacity:1}
.wwd-layer.is-active text{fill:#1C5C9A}
.js .wwd.has-active .wwd-layer{transition:opacity 400ms ease,transform 700ms var(--ease-out);transition-delay:0s}
.js .wwd.has-active .is-visible .wwd-layer:not(.is-active){opacity:.45}
@media (min-width:1024px){
  .wwd{--wwd-art-h:min(620px,calc(100vh - var(--header-h) - 96px))}
  .wwd__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(48px,6vw,96px)}
  .wwd__art{position:sticky;top:calc(var(--header-h) + (100vh - var(--header-h) - var(--wwd-art-h)) / 2);height:var(--wwd-art-h);max-width:none;aspect-ratio:auto}
  .wwd__art svg{width:100%;height:100%}
  /* bottom room lets the last card reach the viewport centre while the art is still pinned */
  .wwd__cards{gap:clamp(40px,12vh,120px);padding-bottom:max(40px,calc((var(--wwd-art-h) + var(--header-h)) / 2 - 56px))}
}
@media (max-width:1023.98px){.wwd__art{aspect-ratio:4/3}.wwd__art svg{height:100%}}
@media (max-width:639.98px){.wwd__card{flex-direction:column;gap:var(--sp-3);padding:var(--sp-4)}}

/* 13. AI vehicle illustration --------------------------------------------- */
.av-cone{animation:breathe 3.2s ease-in-out infinite}
.av-brush{transform-box:fill-box;transform-origin:center;animation:spin 2.4s linear infinite}
.av-route{stroke-dasharray:8 8;animation:dash-16 1.4s linear infinite}
.av-detect{animation:breathe 2.4s ease-in-out infinite}
.av-ping{transform-box:fill-box;transform-origin:center;animation:ping 2.6s ease-out infinite}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes dash-16{to{stroke-dashoffset:-16}}
@keyframes dash-14{to{stroke-dashoffset:-14}}
@keyframes ping{0%{transform:scale(.6);opacity:.8}100%{transform:scale(1.8);opacity:0}}

/* 14. IT stack illustration ----------------------------------------------- */
.stack{position:relative;padding:clamp(16px,3vw,32px);border-radius:var(--r-lg);background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.01));border:1px solid rgba(255,255,255,.08)}
.stack svg{width:100%;height:auto}
.stack__flow{stroke-dasharray:4 6;animation:dash-10 1.2s linear infinite}
@keyframes dash-10{to{stroke-dashoffset:10}}
.js .stack__layer{opacity:0;transform:translateY(18px);transition:opacity 700ms var(--ease-out),transform 700ms var(--ease-out);transition-delay:calc(200ms + var(--d,0)*160ms)}
.js .is-visible .stack__layer{opacity:1;transform:none}

/* 15. Cross-border flow --------------------------------------------------- */
.flow{display:grid;position:relative}
.flow__step{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);column-gap:var(--sp-4);padding-bottom:var(--sp-6)}
.flow__step:last-child{padding-bottom:0}
.flow__node{grid-row:span 3;position:relative;z-index:1;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--surface);color:var(--brand-700);border:1px solid var(--brand-100);box-shadow:0 0 0 6px var(--brand-50)}
.flow__node svg{width:24px;height:24px}
.flow__num{font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-500);line-height:1.6}
.flow__title{font-size:18px;line-height:var(--lh-snug);margin-bottom:var(--sp-1)}
.flow__text{font-size:15px;color:var(--ink-800);line-height:1.7}
.flow__link{position:absolute;overflow:visible;pointer-events:none}
.flow__link line{fill:none;stroke-width:2}
.flow__base{stroke:var(--brand-100)}
.flow__dash{stroke:var(--brand-500);stroke-dasharray:6 8;stroke-linecap:round;animation:dash-14 1.2s linear infinite}
.js .flow__base{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 900ms var(--ease-out) calc(300ms + var(--d,0)*90ms)}
.js .flow__dash{opacity:0;transition:opacity 400ms ease calc(900ms + var(--d,0)*90ms)}
.js .is-visible .flow__base{stroke-dashoffset:0}
.js .is-visible .flow__dash{opacity:1}
.flow__link--h{display:none}
.flow__link--v{left:27px;top:68px;width:2px;height:calc(100% - 72px)}
.flow__platforms{display:flex;flex-wrap:wrap;gap:6px;margin-top:var(--sp-3)}
.chip{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);background:var(--brand-50);color:var(--brand-700);font-size:13px;font-weight:600;line-height:1.6}
@media (min-width:1024px){
  .flow{grid-template-columns:repeat(4,minmax(0,1fr))}
  .flow__step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 var(--sp-4)}
  .flow__node{width:64px;height:64px;margin-bottom:var(--sp-5)}
  .flow__node svg{width:28px;height:28px}
  .flow__platforms{justify-content:center}
  .flow__link--v{display:none}
  .flow__link--h{display:block;top:31px;left:calc(50% + 48px);width:calc(100% - 96px);height:2px}
}

/* 15b. Global trade art (home) ------------------------------------------- */
.gt__art{max-width:1120px;margin-inline:auto;border-radius:var(--r-xl);overflow:hidden;background:radial-gradient(80% 90% at 50% 45%,#fff 0%,var(--brand-50) 70%,#E3F0F8 100%);box-shadow:var(--shadow-sm)}
.gt__art svg{display:block;width:100%;height:auto;aspect-ratio:1200/640}
.gt-orbit{stroke-dasharray:2 10;animation:dash-16 3s linear infinite}
.gt-route{stroke-dasharray:6 10;animation:dash-16 1.6s linear infinite}
.gt-ping{transform-box:fill-box;transform-origin:center;animation:ping 2.6s ease-out infinite}
.gt-float{transform-box:fill-box;animation:gt-float 7s ease-in-out infinite;animation-delay:calc(var(--d,0)*-1.15s)}
@keyframes gt-float{0%,100%{transform:none}50%{transform:translateY(-8px)}}
@media (max-width:639.98px){.gt__art{border-radius:var(--r-lg)}.gt__art svg{aspect-ratio:auto;height:280px}}

/* 16. CTA band ------------------------------------------------------------ */
.cta-band{position:relative;isolation:isolate;overflow:hidden;display:grid;gap:var(--sp-6);padding:clamp(40px,6vw,80px);border-radius:var(--r-xl);background:var(--brand-gradient);color:#fff}
.cta-band::before,.cta-band::after{content:"";position:absolute;z-index:-1;border-radius:50%;border:1px solid rgba(255,255,255,.18)}
.cta-band::before{width:520px;height:520px;right:-160px;top:-240px;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 65%)}
.cta-band::after{width:320px;height:320px;right:120px;bottom:-220px}
.cta-band__title{color:#fff}
.cta-band__text{margin-top:var(--sp-4);max-width:560px;color:rgba(255,255,255,.88);font-size:var(--fs-lead);line-height:1.7}
@media (max-width:639.98px){.cta-band{border-radius:var(--r-lg)}}
@media (min-width:1024px){.cta-band{grid-template-columns:minmax(0,1fr) auto;align-items:center}}

/* 17. Inner page hero & anchor nav (used by inner pages) ------------------ */
.page-hero{position:relative;isolation:isolate;overflow:hidden;margin:var(--sp-2) var(--gutter) 0;border-radius:var(--r-xl);background:var(--surface-2)}
.page-hero::before,.page-hero::after{content:"";position:absolute;z-index:-1;border-radius:50%;filter:blur(40px);pointer-events:none}
.page-hero::before{width:520px;height:520px;right:-120px;top:-200px;background:radial-gradient(circle,rgba(90,186,214,.45),transparent 70%)}
.page-hero::after{width:420px;height:420px;right:18%;bottom:-260px;background:radial-gradient(circle,rgba(28,92,154,.25),transparent 70%)}
.page-hero__inner{display:grid;gap:var(--sp-4);max-width:820px;padding:clamp(56px,8vw,112px) clamp(24px,6vw,88px)}
.page-hero__title{font-size:var(--fs-display)}
.page-hero__deco{position:absolute;right:clamp(-80px,-2vw,0px);top:50%;width:clamp(200px,28vw,380px);height:auto;transform:translateY(-50%);opacity:.08;z-index:-1}
@media (max-width:639.98px){.page-hero{margin-inline:12px;border-radius:var(--r-lg)}}

.anchor-nav{position:sticky;top:var(--header-h);z-index:40;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.page-hero + .anchor-nav{margin-top:var(--sp-4)}
.hero + .anchor-nav{margin-top:var(--sp-4)}
.anchor-nav__list{display:flex;gap:var(--sp-2);overflow-x:auto;padding-block:var(--sp-3);scrollbar-width:none}
.anchor-nav__list::-webkit-scrollbar{display:none}
.anchor-nav__link{display:inline-flex;align-items:center;white-space:nowrap;padding:8px 16px;border-radius:var(--r-pill);background:var(--surface-2);color:var(--ink-800);font-size:var(--fs-small);font-weight:600;text-decoration:none;transition:background-color var(--dur-ui) ease,color var(--dur-ui) ease}
.anchor-nav__link:hover,.anchor-nav__link[aria-current="true"]{background:var(--brand-50);color:var(--brand-700)}

/* 17b. Inner page components --------------------------------------------- */
.block-gap{margin-top:var(--sp-8)}
.subhead{display:grid;gap:var(--sp-2);margin-bottom:var(--sp-6)}
.subhead h3{font-size:var(--fs-h3)}
.card--compact{padding:var(--sp-5)}
.card--compact .card__title{font-size:18px}
.card--compact .icon-tile{width:40px;height:40px;border-radius:10px;margin-bottom:var(--sp-1)}
.card--compact .icon-tile svg{width:20px;height:20px}
.card__num{font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-500)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:var(--sp-2)}
.tag-cloud__label{width:100%;font-size:var(--fs-small);font-weight:600;color:var(--ink-500)}
.mini-grid--4{gap:var(--sp-4)}
@media (min-width:640px){.mini-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.mini-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}}
.mini--lg{padding:var(--sp-6)}
.mini--lg .mini__title{font-size:18px}
.mini--lg .mini__text{font-size:15px}

/* flow on dark sections */
.section--dark .flow__node{background:rgba(255,255,255,.04);color:var(--brand-300);border-color:rgba(90,186,214,.35);box-shadow:0 0 0 6px rgba(90,186,214,.08)}
.section--dark .flow__num{color:var(--brand-300)}
.section--dark .flow__base{stroke:rgba(90,186,214,.22)}
.section--dark .flow__dash{stroke:var(--brand-300)}
.section--dark .chip{background:rgba(90,186,214,.12);color:var(--brand-300)}
.flow__step > :not(.flow__node):not(.flow__link){grid-column:2}
.section__head--center h2{text-wrap:balance}
.flow--lg .flow__title{font-size:20px}
.flow__text + .flow__text{margin-top:var(--sp-1);color:var(--ink-500);font-size:14px}
.section--dark .flow__text + .flow__text{color:rgba(159,177,196,.8)}

/* timeline (solutions) */
.timeline{position:relative;display:grid;gap:var(--sp-5)}
.timeline::before{content:"";position:absolute;left:23px;top:24px;bottom:24px;width:2px;background:linear-gradient(var(--brand-300),var(--brand-700));opacity:.3}
.timeline__item{position:relative;padding-left:72px}
.timeline__dot{position:absolute;left:0;top:20px;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--surface);border:2px solid var(--brand-100);box-shadow:0 0 0 6px var(--surface);font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--brand-700)}
.timeline__card{display:grid;gap:var(--sp-2);padding:var(--sp-5) var(--sp-6);border-radius:var(--r-lg);background:var(--surface-2)}
.timeline__title{font-size:var(--fs-h3)}
.timeline__text{font-size:15px;line-height:1.75}
@media (min-width:1024px){
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:96px;row-gap:var(--sp-5)}
  .timeline::before{left:50%;margin-left:-1px}
  .timeline__item{padding-left:0;grid-column:1;grid-row:var(--row) / span 2}
  .timeline__item:nth-child(even){grid-column:2}
  .timeline__item:nth-child(1){--row:1}
  .timeline__item:nth-child(2){--row:2}
  .timeline__item:nth-child(3){--row:3}
  .timeline__item:nth-child(4){--row:4}
  .timeline__item:nth-child(5){--row:5}
  .timeline__item:nth-child(odd) .timeline__dot{left:auto;right:-72px}
  .timeline__item:nth-child(even) .timeline__dot{left:-72px}
}

/* architecture comparison (solutions, dark) */
.compare{display:grid;gap:var(--sp-5)}
@media (min-width:1024px){.compare{grid-template-columns:repeat(3,minmax(0,1fr))}}
.compare__panel{display:grid;gap:var(--sp-5);align-content:start;padding:var(--sp-6);border-radius:var(--r-lg);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
.compare__panel--accent{background:linear-gradient(160deg,rgba(90,186,214,.14),rgba(28,92,154,.10));border-color:rgba(90,186,214,.4)}
.compare__tag{justify-self:start}
.compare__title{font-size:20px}
.compare__text{font-size:15px;line-height:1.75}
.diagram{display:grid;gap:10px;align-content:center;min-height:200px;padding:var(--sp-4);border-radius:var(--r-md);background:rgba(11,22,38,.5);border:1px solid rgba(255,255,255,.06)}
.diagram__label{font-family:var(--font-num);font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--on-dark-muted);text-transform:uppercase}
.diagram__row{display:flex;gap:8px}
.blk{flex:1;height:30px;border-radius:8px;border:1px solid rgba(159,177,196,.35);background:rgba(255,255,255,.04)}
.blk--accent{border-color:rgba(90,186,214,.6);background:rgba(90,186,214,.16)}
.blk--solid{display:grid;place-items:center;border:0;background:var(--brand-gradient);color:#fff;font-size:12px;font-weight:600}
.blk--sm{height:18px}
.node{flex:1;display:grid;gap:5px;padding:7px;border-radius:10px;border:1px solid rgba(90,186,214,.5);background:rgba(90,186,214,.08)}
.node i{display:block;height:14px;border-radius:5px;background:rgba(90,186,214,.45)}
.node i + i{background:rgba(255,255,255,.14)}
.node--add{place-items:center;border-style:dashed;background:none;color:var(--brand-300);font-size:18px;line-height:1}
.value-list{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-7)}
.value-list li{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:#fff;font-weight:600;font-size:15px}
.value-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-300);box-shadow:0 0 0 4px rgba(90,186,214,.2)}

/* about */
.prose{display:grid;gap:var(--sp-5)}
.prose p{font-size:17px;line-height:1.9}
.mv-card{display:grid;gap:var(--sp-4);align-content:start;padding:clamp(28px,4vw,48px);border-radius:var(--r-lg);border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--brand-gradient) border-box}
.mv-card__text{font-size:var(--fs-h3);font-weight:600;line-height:1.6;color:var(--ink-900)}
.scope-note{margin-top:var(--sp-5)}
.info-list{display:grid;padding:var(--sp-2) var(--sp-6);border-radius:var(--r-lg);background:var(--surface-2)}
.info-list__row{display:grid;gap:var(--sp-1);padding:var(--sp-5) 0;border-top:1px solid var(--line)}
.info-list__row:first-child{border-top:0}
.info-list dt{font-size:var(--fs-small);color:var(--ink-500)}
.info-list dd{font-weight:600;color:var(--ink-900);overflow-wrap:anywhere}
@media (min-width:640px){.info-list__row{grid-template-columns:140px minmax(0,1fr);gap:var(--sp-5)}}

/* contact */
.contact-card{gap:var(--sp-4);padding:clamp(28px,4vw,48px)}
.contact-card .icon-tile{margin-bottom:0}
.contact-card__label{font-size:var(--fs-small);font-weight:600;color:var(--ink-500)}
.contact-card__value{font-size:clamp(1.25rem,1rem + 1.1vw,1.75rem);font-weight:600;line-height:1.4;color:var(--ink-900);overflow-wrap:anywhere}
.contact-card__value a{color:inherit;text-decoration:none}
.contact-card__value a:hover{color:var(--brand-700)}
.contact-card .btn{align-self:start;margin-top:auto}
.map-art svg{width:100%;height:clamp(240px,30vw,380px)}
.map-pulse{transform-box:fill-box;transform-origin:center;animation:ping 2.6s ease-out infinite}
.map-pulse--2{animation-delay:1.3s}
.topic-list{display:flex;flex-wrap:wrap;gap:var(--sp-3)}
.topic{display:inline-flex;align-items:center;gap:var(--sp-3);padding:14px 20px;border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);color:var(--ink-900);font-weight:600;text-decoration:none;transition:border-color var(--dur-ui) ease,color var(--dur-ui) ease,box-shadow var(--dur-ui) ease}
.topic svg{width:20px;height:20px;flex:none;color:var(--brand-500)}
.topic__arrow{color:var(--ink-400);transition:transform var(--dur-ui) ease,color var(--dur-ui) ease}
.topic:hover{border-color:var(--brand-300);color:var(--brand-700);box-shadow:var(--shadow-md)}
.topic:hover .topic__arrow{transform:translateX(3px);color:var(--brand-700)}

/* 404 */
.error-hero{position:relative;isolation:isolate;overflow:hidden;display:grid;place-items:center;min-height:min(72vh,640px);margin:var(--sp-2) var(--gutter) var(--sp-9);padding:clamp(56px,8vw,112px) 24px;border-radius:var(--r-xl);background:var(--surface-2);text-align:center}
.error-hero .hero__blob{opacity:.3}
.error-hero .hero__grid{background-image:linear-gradient(rgba(28,92,154,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(28,92,154,.08) 1px,transparent 1px);-webkit-mask-image:radial-gradient(ellipse 60% 60% at 50% 50%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 60% 60% at 50% 50%,#000 20%,transparent 75%)}
.error-hero__inner{display:grid;gap:var(--sp-4);justify-items:center;max-width:560px}
.error-hero__code{font-family:var(--font-num);font-size:clamp(6rem,3rem + 12vw,12rem);font-weight:800;line-height:1;letter-spacing:-.04em;color:var(--brand-700);background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.error-hero .btn-row{justify-content:center;margin-top:var(--sp-3)}
@media (max-width:639.98px){.error-hero{margin-inline:12px;border-radius:var(--r-lg)}}

/* 18. Reduced motion ------------------------------------------------------ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1!important;transform:none!important;transition:none!important}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}
  .js .stack__layer{opacity:1;transform:none;transition:none}
  .js .flow__base{stroke-dashoffset:0;transition:none}
  .js .flow__dash{opacity:1;transition:none}
  .js .wwd-layer{opacity:1;transform:none;transition:none}
  .wwd-hl,.wwd-layer text,.js .wwd.has-active .wwd-layer,.js .wwd__card.reveal,.wwd__card .icon-tile{transition:none!important}
  .wwd-float,.gt-float,.wwd-led,.wwd-flow,.wwd-signal,.gt-route,.gt-orbit,.gt-ping{animation:none}
  .card,.btn{transition:none}
  .hero--flow .hero__canvas,.hero-biz__item,.hero-biz__item::before,.hero-biz__glyph{transition:none}
  .hero--globe .hero__legend-item{transition:none}
  .hero--core .hero__gl,.hero--core .hero__leaders,.hero--core .layer-tag,.hero--core .is-live .hero__layers .layer-tag,.hero--core .hero__pin{transition:none}
}

/* 19. Print --------------------------------------------------------------- */
@media print{
  .site-header,.nav-toggle,.hero__canvas,.hero__mesh{display:none!important}
  .hero__stage{background:none;color:#000;min-height:0}
  .hero__title,.hero__lead{color:#000}
  .hero--flow .hero__stage{background:none!important}
  .hero-biz{position:static;background:none;-webkit-backdrop-filter:none;backdrop-filter:none}
  .hero--globe .hero__stage{background:none!important;box-shadow:none}
  .hero--globe .hero__visual{display:none!important}
  .hero--globe .hero__legend{position:static;box-shadow:none}
  .hero--core .hero__gl,.hero--core .hero__leaders,.hero--core .hero__pins{display:none!important}
  .hero--core .hero__stage{background:none!important}
  .js .reveal{opacity:1!important;transform:none!important}
}
/* Keep a phrase together on one line (CJK headings) */
.nobr{white-space:nowrap}
/* 公安备案图标与编号 */
.site-footer__bottom p{display:flex;flex-wrap:wrap;align-items:center;gap:4px 16px}
.psb-link{display:inline-flex;align-items:center;gap:6px}
.psb-link img{width:18px;height:20px;flex:none}