:root {
  --ink: #142033;
  --muted: #607086;
  --line: #dbe2ea;
  --paper: #ffffff;
  --canvas: #eef2f5;
  --dark: #111820;
  --accent: #f45b3a;
  --accent-dark: #d9492c;
  --green: #25a66f;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow: 0 18px 50px rgba(20, 32, 51, .10);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }

.site-shell { min-height: 100vh; overflow: hidden; }
.topbar { display: flex; justify-content: space-between; gap: 24px; padding: 9px max(20px, calc((100% - var(--max)) / 2)); color: #d9e4ee; background: #202a35; font-size: 11px; letter-spacing: .04em; }
.topbar-links { display: flex; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.topbar a { color: #fff; font-weight: 700; }
.nav { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid rgba(20,32,51,.09); background: rgba(255,255,255,.95); backdrop-filter: blur(14px); }
.nav-inner { width: min(var(--max), calc(100% - 40px)); min-height: 70px; margin: 0 auto; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: max-content; font-size: 15px; font-weight: 750; }
.brand strong { font-size: 18px; }
.brand small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; font-weight: 600; letter-spacing: .05em; }
.brand-mark, .chat-avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; color: #fff; background: var(--dark); font-size: 11px; font-weight: 800; letter-spacing: .06em; box-shadow: inset 0 0 0 1px rgba(255,255,255,.2); }
.nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 22px; flex: 1; color: #33445a; font-size: 12px; font-weight: 700; }
.nav-links a { position: relative; padding: 27px 0; }
.nav-links a::after { content: ""; position: absolute; right: 0; bottom: 17px; left: 0; height: 2px; transform: scaleX(0); transform-origin: center; background: var(--accent); transition: transform .25s ease; }
.nav-links a:hover::after, .nav-links a:focus-visible::after { transform: scaleX(1); }
.nav-cta { padding: 10px 16px !important; border-radius: 999px; color: #fff !important; background: var(--dark); }
.nav-cta::after { display: none; }
.menu-toggle { display: none; margin-left: auto; border: 1px solid var(--line); border-radius: 999px; padding: 9px 13px; color: var(--ink); background: #fff; }

main { padding-bottom: 46px; }
.hero { width: min(var(--max), calc(100% - 40px)); margin: 26px auto 0; display: grid; grid-template-columns: minmax(310px, .78fr) minmax(0, 1.62fr); gap: 18px; }
.hero-copy { position: relative; display: flex; flex-direction: column; justify-content: center; min-height: 460px; padding: clamp(30px, 4vw, 62px); border-radius: var(--radius-lg); color: #fff; background: radial-gradient(circle at 85% 10%, rgba(244,91,58,.23), transparent 32%), linear-gradient(145deg, #172532 0%, #10151d 78%); box-shadow: var(--shadow); }
.hero-copy::after { content: ""; position: absolute; right: -18px; bottom: 24px; width: 92px; height: 92px; border-radius: 50%; border: 1px solid rgba(255,255,255,.15); box-shadow: 0 0 0 15px rgba(255,255,255,.03), 0 0 0 30px rgba(255,255,255,.02); pointer-events: none; }
.eyebrow { margin-bottom: 13px; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.hero h1 { max-width: 480px; margin: 0; font-size: clamp(38px, 5vw, 64px); line-height: .98; letter-spacing: -.055em; }
.hero-lede { max-width: 470px; margin: 22px 0 0; color: #c3d0dd; font-size: 15px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 0 17px; border-radius: 9px; font-size: 12px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #fff; background: var(--accent); box-shadow: 0 8px 18px rgba(244,91,58,.25); }
.button.primary:hover { background: var(--accent-dark); box-shadow: 0 11px 22px rgba(244,91,58,.32); }
.button.ghost { color: #fff; border: 1px solid rgba(255,255,255,.35); }
.button.ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.hero-proof { display: flex; flex-wrap: wrap; gap: 11px 16px; margin-top: auto; padding-top: 28px; color: #9eafbf; font-size: 10px; }
.hero-proof span { display: inline-flex; align-items: center; gap: 6px; }
.hero-proof b { color: var(--accent); }

.hero-carousel { position: relative; min-height: 460px; overflow: hidden; border-radius: var(--radius-lg); background: #1b252f; box-shadow: var(--shadow); }
.slides, .slide { position: absolute; inset: 0; }
.slide { opacity: 0; pointer-events: none; transition: opacity .55s ease; }
.slide.is-active { opacity: 1; pointer-events: auto; }
.slide picture, .slide img { display: block; width: 100%; height: 100%; }
.slide img { object-fit: cover; object-position: center; }
.slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,13,19,.50), transparent 55%), linear-gradient(0deg, rgba(8,13,19,.66), transparent 44%); pointer-events: none; }
.slide-caption { position: absolute; z-index: 1; right: 30px; bottom: 30px; left: 30px; display: flex; flex-direction: column; align-items: flex-start; color: #fff; }
.slide-caption span { margin-bottom: 7px; color: #ffac96; font-size: 10px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.slide-caption strong { font-size: clamp(26px, 3.3vw, 46px); letter-spacing: -.04em; }
.slide-caption small { margin-top: 5px; color: #e1e8ef; font-size: 12px; }
.carousel-controls { position: absolute; z-index: 3; top: 20px; right: 20px; display: flex; align-items: center; gap: 8px; }
.carousel-controls button { min-width: 32px; height: 32px; padding: 0 9px; border: 1px solid rgba(255,255,255,.4); border-radius: 999px; color: #fff; background: rgba(12,18,25,.55); backdrop-filter: blur(8px); font-size: 12px; }
.carousel-controls button:hover, .carousel-controls button:focus-visible { border-color: #fff; background: rgba(12,18,25,.82); }
.carousel-dots { display: flex; gap: 6px; }
.carousel-dots button { width: 28px; min-width: 28px; padding: 0; }
.carousel-dots button::before { content: ""; display: block; width: 6px; height: 6px; margin: auto; border-radius: 50%; background: rgba(255,255,255,.65); }
.carousel-dots button.is-active::before { width: 16px; border-radius: 999px; background: var(--accent); }
.pause-button { margin-left: 3px; }

.entrance-section, .workflow-section { width: min(var(--max), calc(100% - 40px)); margin: 72px auto 0; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 22px; }
.section-heading h2 { margin: 0; font-size: clamp(30px, 4vw, 47px); line-height: .98; letter-spacing: -.05em; }
.section-heading p { max-width: 390px; margin: 0 0 3px; color: var(--muted); font-size: 13px; line-height: 1.65; }
.entrance-layout { display: grid; grid-template-columns: minmax(0, 1fr) 328px; gap: 18px; align-items: start; }
.entrance-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.entrance-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper); box-shadow: 0 8px 24px rgba(20,32,51,.05); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.entrance-card:hover, .entrance-card:focus-visible { transform: translateY(-7px); border-color: rgba(244,91,58,.55); box-shadow: 0 18px 35px rgba(20,32,51,.14); outline: none; }
.entrance-image { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #e8edf1; }
.entrance-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(8,13,19,.35), transparent 55%); pointer-events: none; }
.entrance-image img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.entrance-card:hover .entrance-image img, .entrance-card:focus-visible .entrance-image img { transform: scale(1.045); }
.entrance-index { position: absolute; z-index: 1; top: 12px; left: 12px; display: grid; place-items: center; width: 29px; height: 29px; border-radius: 999px; color: #fff; background: rgba(12,18,25,.76); font-size: 10px; font-weight: 800; }
.entrance-body { padding: 18px 18px 20px; }
.entrance-body .eyebrow { margin-bottom: 8px; font-size: 9px; }
.entrance-body h3 { margin: 0; font-size: 22px; letter-spacing: -.035em; }
.entrance-body p { min-height: 44px; margin: 10px 0 18px; color: var(--muted); font-size: 12px; line-height: 1.55; }
.entrance-link { display: inline-flex; align-items: center; gap: 9px; color: var(--accent-dark); font-size: 11px; font-weight: 850; }
.entrance-link b { font-size: 16px; transition: transform .2s ease; }
.entrance-card:hover .entrance-link b { transform: translateX(4px); }

.ai-chat-card { position: sticky; top: 88px; overflow: hidden; border: 1px solid #d6e0e8; border-radius: var(--radius-md); background: #f8fafb; box-shadow: 0 10px 25px rgba(20,32,51,.08); }
.chat-head { display: flex; align-items: center; gap: 10px; padding: 14px 15px; border-bottom: 1px solid var(--line); background: #fff; }
.chat-avatar { width: 31px; height: 31px; border-radius: 10px; font-size: 10px; }
.chat-head strong { display: block; font-size: 13px; }
.chat-head small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; }
.online-dot { width: 8px; height: 8px; margin-left: auto; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(37,166,111,.13); }
.chat-messages { display: flex; flex-direction: column; gap: 8px; min-height: 184px; max-height: 235px; overflow: auto; padding: 14px; }
.chat-bubble { max-width: 92%; padding: 10px 11px; border-radius: 11px; font-size: 12px; line-height: 1.5; }
.chat-bubble.assistant { align-self: flex-start; color: #304258; background: #e8eef3; border-top-left-radius: 4px; }
.chat-bubble.user { align-self: flex-end; color: #fff; background: var(--dark); border-top-right-radius: 4px; }
.chat-quick { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 12px; }
.chat-quick button { padding: 7px 9px; border: 1px solid #ccd8e2; border-radius: 999px; color: #40536a; background: #fff; font-size: 10px; transition: border-color .2s ease, color .2s ease; }
.chat-quick button:hover { border-color: var(--accent); color: var(--accent-dark); }
.chat-form { display: flex; gap: 7px; padding: 12px; border-top: 1px solid var(--line); background: #fff; }
.chat-form input { min-width: 0; flex: 1; padding: 10px 11px; border: 1px solid #d5dee7; border-radius: 9px; color: var(--ink); outline: none; font-size: 11px; }
.chat-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(244,91,58,.13); }
.chat-form button { padding: 0 13px; border: 0; border-radius: 9px; color: #fff; background: var(--accent); font-size: 11px; font-weight: 800; }
.chat-whatsapp { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; color: var(--green); border-top: 1px solid var(--line); font-size: 11px; font-weight: 800; }

/* Production RFQ drawer: compact when closed, fully keyboard accessible when open. */
.rfq-drawer { border-top: 1px solid var(--line); background: #f7fafb; }
.rfq-drawer summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; color: var(--ink); cursor: pointer; list-style: none; font-size: 11px; font-weight: 850; }
.rfq-drawer summary::-webkit-details-marker { display: none; }
.rfq-drawer summary::after { content: "＋"; color: var(--accent-dark); font-size: 16px; line-height: 1; }
.rfq-drawer[open] summary::after { content: "－"; }
.rfq-drawer summary small { margin-left: auto; color: var(--muted); font-size: 9px; font-weight: 650; }
.rfq-drawer-body { padding: 0 12px 13px; }
.central-rfq-form { display: grid; gap: 9px; }
.rfq-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.central-rfq-form label { display: grid; gap: 4px; color: #53667a; font-size: 9px; font-weight: 750; }
.central-rfq-form input,
.central-rfq-form select,
.central-rfq-form textarea { width: 100%; min-width: 0; padding: 8px 9px; border: 1px solid #d5e0e7; border-radius: 7px; color: var(--ink); background: #fff; outline: none; font-size: 10px; }
.central-rfq-form textarea { resize: vertical; min-height: 62px; line-height: 1.4; }
.central-rfq-form input:focus,
.central-rfq-form select:focus,
.central-rfq-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(244,91,58,.12); }
.rfq-full, .rfq-upload { grid-column: 1 / -1; }
.rfq-upload small { color: var(--muted); font-size: 8px; font-weight: 550; line-height: 1.35; }
.rfq-form-actions { display: flex; align-items: center; gap: 8px; }
.central-rfq-button { min-height: 34px; padding: 0 12px; border: 0; border-radius: 8px; color: #fff; background: var(--accent); font-size: 10px; font-weight: 850; }
.central-rfq-button:hover, .central-rfq-button:focus-visible { background: var(--accent-dark); }
.central-rfq-status { flex: 1; margin: 0; color: var(--muted); font-size: 9px; line-height: 1.35; }
.central-rfq-status[data-tone="error"] { color: #b3362c; }
.central-rfq-status[data-tone="info"] { color: #28725e; }

.workflow-section { padding-bottom: 8px; }
.workflow-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.workflow-grid article { min-height: 160px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.68); transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.workflow-grid article:hover { transform: translateY(-4px); background: #fff; box-shadow: 0 12px 24px rgba(20,32,51,.08); }
.workflow-grid span { color: var(--accent); font-size: 11px; font-weight: 900; letter-spacing: .13em; }
.workflow-grid h3 { margin: 26px 0 8px; font-size: 16px; letter-spacing: -.02em; }
.workflow-grid p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.55; }

.trust-section { width: min(var(--max), calc(100% - 40px)); margin: 64px auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 34px; padding: 34px; border-radius: var(--radius-lg); color: #fff; background: var(--dark); }
.trust-section h2 { max-width: 480px; margin: 0; font-size: clamp(26px, 3vw, 40px); line-height: 1; letter-spacing: -.045em; }
.trust-section p { max-width: 550px; margin: 18px 0 0; color: #b5c3cf; font-size: 13px; line-height: 1.65; }
.trust-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; align-items: end; }
.trust-points div { min-height: 108px; padding: 15px; border: 1px solid rgba(255,255,255,.14); border-radius: 13px; background: rgba(255,255,255,.045); }
.trust-points strong, .trust-points span { display: block; }
.trust-points strong { font-size: 12px; }
.trust-points span { margin-top: 10px; color: #a9b8c5; font-size: 10px; line-height: 1.45; }

.site-footer { width: min(var(--max), calc(100% - 40px)); margin: 64px auto 0; padding: 24px 0 8px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px 40px; border-top: 1px solid var(--line); }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand strong, .footer-brand small { display: block; }
.footer-brand strong { font-size: 14px; }
.footer-brand small { margin-top: 3px; color: var(--muted); font-size: 10px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px 20px; align-content: center; color: #475b72; font-size: 11px; font-weight: 700; }
.footer-links a:hover { color: var(--accent-dark); }
.footer-note { grid-column: 1 / -1; margin: 8px 0 0; color: #7a8998; font-size: 10px; line-height: 1.5; }

@media (max-width: 1040px) {
  .nav-inner { gap: 15px; }
  .nav-links { gap: 13px; font-size: 11px; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 360px; }
  .hero-carousel { min-height: 440px; }
  .entrance-layout { grid-template-columns: 1fr; }
  .ai-chat-card { position: relative; top: auto; max-width: 520px; }
}

@media (max-width: 760px) {
  .topbar { display: none; }
  .nav-inner { width: min(var(--max), calc(100% - 28px)); min-height: 62px; }
  .menu-toggle { display: block; }
  .nav-links { position: absolute; top: 61px; right: 14px; left: 14px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 11px 12px; border-radius: 8px; }
  .nav-links a:hover { background: #f1f4f6; }
  .nav-links a::after { display: none; }
  .nav-cta { margin-top: 4px; text-align: center; }
  .hero, .entrance-section, .workflow-section, .trust-section, .site-footer { width: min(var(--max), calc(100% - 28px)); }
  .hero { margin-top: 14px; gap: 12px; }
  .hero-copy { min-height: 390px; padding: 28px 24px; }
  .hero h1 { font-size: clamp(34px, 10vw, 50px); }
  .hero-lede { font-size: 13px; }
  .hero-carousel { min-height: 330px; }
  .slide-caption { right: 18px; bottom: 19px; left: 18px; }
  .slide-caption strong { font-size: 31px; }
  .carousel-controls { top: 12px; right: 12px; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 14px; }
  .entrance-grid { grid-template-columns: 1fr; }
  .entrance-body p { min-height: 0; }
  .workflow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust-section { display: block; padding: 26px 20px; }
  .trust-points { margin-top: 20px; grid-template-columns: 1fr; }
  .trust-points div { min-height: auto; }
  .site-footer { display: block; }
  .footer-links { justify-content: flex-start; margin-top: 18px; }
  .footer-note { margin-top: 20px; }
}

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

/* =====================================================
   Aceternity 3D Globe inspired coverage module
   原生 Canvas 版本：球面实时投影、连线、定位点和拖动状态，不引入 React / Tailwind / Three.js。
   ===================================================== */
.coverage-section {
  width: min(var(--max), calc(100% - 40px));
  margin: 76px auto 0;
}
.coverage-heading { margin-bottom: 22px; }
.coverage-heading h2 { max-width: 620px; }
.coverage-heading p { max-width: 430px; }
.coverage-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr);
  gap: 18px;
  align-items: stretch;
}
.coverage-visual,
.coverage-details {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(23, 49, 66, .16);
  border-radius: 24px;
  background: rgba(255,255,255,.70);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  backdrop-filter: blur(16px) saturate(130%);
  box-shadow: 0 16px 36px rgba(20,32,51,.08), inset 0 1px 0 rgba(255,255,255,.88);
}
.coverage-visual {
  min-height: 390px;
  color: #e9f8f7;
  background:
    radial-gradient(circle at 74% 20%, rgba(82,205,191,.14), transparent 29%),
    radial-gradient(circle at 18% 88%, rgba(255,104,72,.14), transparent 26%),
    linear-gradient(140deg, #0c1822 0%, #112d3a 64%, #173e45 100%);
  border-color: rgba(150, 228, 219, .16);
}
.coverage-visual::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  pointer-events: none;
}
.coverage-visual-top,
.coverage-visual-foot {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 23px 0;
  color: rgba(221,244,242,.74);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.coverage-status { display: inline-flex; align-items: center; gap: 7px; letter-spacing: .06em; text-transform: none; }
.coverage-status i { width: 7px; height: 7px; border-radius: 50%; background: #64d9b8; box-shadow: 0 0 0 4px rgba(100,217,184,.13); }
.coverage-globe { display: block; width: min(100%, 650px); height: auto; margin: -6px auto -3px; overflow: visible; }
.globe-halo { fill: rgba(71,184,173,.06); stroke: rgba(123,224,211,.12); stroke-width: 1; }
.globe-sphere { fill: url(#globeFill); stroke: rgba(142,232,218,.32); stroke-width: 1.25; filter: url(#globeGlow); }
.globe-grid ellipse, .globe-grid path { fill: none; stroke: rgba(150,227,219,.18); stroke-width: 1; }
.globe-grid path { stroke-dasharray: 3 6; opacity: .85; }
.globe-routes path { fill: none; stroke: url(#routeLine); stroke-width: 1.8; stroke-linecap: round; stroke-dasharray: 4 7; opacity: .30; transition: opacity .24s ease, stroke-width .24s ease, filter .24s ease; }
.globe-routes path[data-route="north-america"] { opacity: .88; }
.globe-routes path.is-active { opacity: 1; stroke-width: 2.9; filter: drop-shadow(0 0 5px rgba(108,224,205,.55)); }
.globe-markers { font-family: inherit; }
.globe-marker { cursor: pointer; outline: none; }
.globe-marker .marker-ring { fill: rgba(255,255,255,.07); stroke: rgba(146,229,218,.58); stroke-width: 1; transition: r .22s ease, fill .22s ease, stroke .22s ease; }
.globe-marker .marker-core { fill: #ff896b; stroke: #fff; stroke-width: 1.5; transition: r .22s ease, fill .22s ease; }
.globe-marker text { fill: rgba(219,244,241,.84); font-size: 9px; font-weight: 800; letter-spacing: .08em; pointer-events: none; }
.globe-marker:hover .marker-ring, .globe-marker:focus-visible .marker-ring, .globe-marker.is-active .marker-ring { r: 15px; fill: rgba(85,210,193,.18); stroke: #79ead5; }
.globe-marker:hover .marker-core, .globe-marker:focus-visible .marker-core, .globe-marker.is-active .marker-core { r: 5px; fill: #ffad93; }
.globe-marker.is-active text { fill: #fff; }
.globe-hub circle:first-child { fill: rgba(255,104,72,.18); stroke: rgba(255,151,123,.72); stroke-width: 1; }
.globe-hub circle:last-of-type { fill: #ff6848; stroke: #fff; stroke-width: 1.5; }
.globe-hub text { fill: rgba(255,203,188,.88); font-size: 9px; font-weight: 900; letter-spacing: .12em; }
.coverage-visual-foot { padding: 0 23px 18px; color: rgba(221,244,242,.62); font-size: 9px; letter-spacing: .03em; text-transform: none; }
.coverage-visual-foot b { color: #fff; letter-spacing: .11em; }
.coverage-details { padding: 29px 27px 25px; }
.coverage-kicker { color: var(--teal); font-size: 10px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.coverage-details h3 { margin: 11px 0 8px; color: var(--ink); font-size: clamp(28px, 3vw, 40px); line-height: .98; letter-spacing: -.05em; }
.coverage-details > p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.coverage-region-list { display: grid; gap: 7px; margin-top: 22px; }
.coverage-region-list button { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 36px; padding: 0 12px; border: 1px solid rgba(31,58,72,.14); border-radius: 10px; color: #435a6e; background: rgba(249,252,253,.78); font-size: 11px; font-weight: 800; text-align: left; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease; }
.coverage-region-list button::after { content: "↗"; color: #96a7b4; font-size: 13px; }
.coverage-region-list button:hover, .coverage-region-list button:focus-visible { border-color: rgba(13,155,145,.54); color: #087e76; background: rgba(13,155,145,.08); transform: translateX(2px); outline: none; }
.coverage-region-list button.is-active { border-color: rgba(13,155,145,.55); color: #087e76; background: rgba(13,155,145,.11); box-shadow: inset 3px 0 0 var(--teal); }
.coverage-region-list button.is-active::after { color: var(--teal); }
.coverage-detail-row { display: flex; justify-content: space-between; gap: 14px; margin-top: 19px; padding-top: 13px; border-top: 1px solid rgba(31,58,72,.11); color: #708092; font-size: 10px; }
.coverage-detail-row strong { max-width: 190px; color: #304458; font-size: 10px; text-align: right; }
.coverage-disclaimer { margin-top: 22px !important; padding: 10px 11px; border-radius: 10px; color: #718091 !important; background: rgba(241,246,248,.86); font-size: 10px !important; line-height: 1.55 !important; }

@media (max-width: 900px) {
  .coverage-layout { grid-template-columns: 1fr; }
  .coverage-visual { min-height: 360px; }
  .coverage-details { display: grid; grid-template-columns: 1fr 1fr; column-gap: 20px; }
  .coverage-details h3, .coverage-details > p, .coverage-details .coverage-kicker, .coverage-disclaimer { grid-column: 1 / -1; }
  .coverage-region-list { grid-column: 1 / -1; grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .coverage-region-list button { min-height: 42px; padding: 7px 9px; font-size: 10px; }
  .coverage-region-list button::after { display: none; }
}
@media (max-width: 620px) {
  .coverage-section { width: min(var(--max), calc(100% - 28px)); margin-top: 58px; }
  .coverage-visual-top, .coverage-visual-foot { padding-right: 16px; padding-left: 16px; }
  .coverage-visual { min-height: 320px; border-radius: 20px; }
  .coverage-visual::after { inset: 12px; border-radius: 15px; }
  .coverage-globe { margin-top: 4px; }
  .coverage-visual-foot { padding-bottom: 14px; font-size: 8px; }
  .coverage-details { display: block; padding: 23px 19px 21px; border-radius: 20px; }
  .coverage-region-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .coverage-region-list button { min-height: 38px; }
  .coverage-detail-row strong { max-width: 170px; }
  .rfq-form-grid { grid-template-columns: 1fr; }
  .rfq-full, .rfq-upload { grid-column: auto; }
  .rfq-drawer summary { align-items: flex-start; flex-wrap: wrap; }
  .rfq-drawer summary small { flex-basis: 100%; margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .globe-routes path, .globe-marker .marker-ring, .globe-marker .marker-core, .coverage-region-list button { transition: none; }
}

/* 可拖动 Canvas 地球：画布不是图片，所有球面、经纬线、路线和定位点由 JS 实时投影绘制。 */
.coverage-globe-wrap { position: relative; width: min(100%, 720px); margin: -4px auto 0; }
.coverage-globe-canvas { display: block; width: 100%; height: auto; min-height: 320px; cursor: grab; touch-action: none; }
.coverage-globe-canvas.is-dragging { cursor: grabbing; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
@media (max-width: 620px) {
  .coverage-globe-wrap { margin-top: 0; }
  .coverage-globe-canvas { min-height: 260px; }
}

/* globe.gl / three-globe WebGL 引擎：成功加载后替换 Canvas 保底层。 */
.coverage-globe-webgl { display: none; position: relative; width: 100%; min-height: 320px; height: clamp(320px, 35vw, 430px); cursor: grab; touch-action: none; }
.coverage-globe-webgl.is-active { display: block; }
.coverage-globe-webgl.is-dragging { cursor: grabbing; }
.coverage-globe-webgl canvas { display: block; width: 100% !important; height: 100% !important; outline: none; }
.coverage-globe-wrap.is-webgl .coverage-globe-canvas { display: none; }
.coverage-globe-wrap.is-webgl .coverage-globe-webgl { display: block; }
.coverage-globe-webgl .scene-container { width: 100%; height: 100%; }
.coverage-globe-webgl .scene-container canvas { border-radius: 16px; }
@media (max-width: 620px) {
  .coverage-globe-webgl { min-height: 260px; height: 300px; }
}

/* 首屏尺寸与玻璃文案面板修正：限制图片原始比例对网格高度的影响。 */
 .hero { align-items: stretch; grid-template-columns: minmax(390px, .9fr) minmax(0, 1.25fr); }
.hero-copy,
.hero-carousel { height: clamp(380px, 34vw, 460px); min-height: 0; }
.hero-copy { height: clamp(380px, 34vw, 460px); min-height: 0; }
.hero-copy {
  isolation: isolate;
  border: 1px solid rgba(255,255,255,.18);
  background:
    linear-gradient(145deg, rgba(32,53,66,.91), rgba(10,16,23,.82)),
    radial-gradient(circle at 92% 6%, rgba(244,91,58,.25), transparent 38%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  backdrop-filter: blur(18px) saturate(135%);
  box-shadow: 0 24px 58px rgba(8,14,21,.25), inset 0 1px 0 rgba(255,255,255,.08);
  justify-content: flex-start;
  padding: clamp(28px, 3vw, 45px);
}
.hero-copy::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 1px;
  border-radius: calc(var(--radius-lg) - 1px);
  background: linear-gradient(110deg, rgba(255,255,255,.07), transparent 32%, rgba(255,255,255,.025));
  pointer-events: none;
}
.hero-copy h1 { color: #fff; text-shadow: 0 2px 18px rgba(0,0,0,.22); font-size: clamp(34px, 4vw, 54px); }
.hero-lede { color: #d6e1ea; margin-top: 16px; font-size: 13.5px; line-height: 1.5; }
.hero-actions { margin-top: 20px; }
.hero-proof { margin-top: 18px; padding-top: 0; }
.hero-carousel { isolation: isolate; }
.hero-carousel::after {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
.slide picture,
.slide img { min-height: 0; }
.hero-carousel .slide img { transform: scale(1.14); transform-origin: 76% center; }
.hero-carousel .slide[data-slide="0"] img { object-position: 78% center; }
.hero-carousel .slide[data-slide="1"] img { object-position: 76% center; }
.hero-carousel .slide[data-slide="2"] img { object-position: 78% center; }
.entrance-image img { object-position: 74% center; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy,
  .hero-carousel { height: 340px; }
  .hero-copy { padding: 25px 22px; }
  .hero-copy h1 { font-size: clamp(32px, 9vw, 44px); }
}

/* =====================================================
   2026 visual pass — quiet AI motion / glass hierarchy
   轻量、一次性动效，不使用循环闪烁或大型动画库。
   ===================================================== */
:root {
  --canvas: #f3f6f8;
  --paper: rgba(255,255,255,.82);
  --line: rgba(25,42,60,.13);
  --accent: #ff6848;
  --accent-dark: #df4e31;
  --teal: #0d9b91;
  --violet: #7668df;
}

body {
  background:
    radial-gradient(circle at 7% 18%, rgba(255,104,72,.10), transparent 26rem),
    radial-gradient(circle at 92% 40%, rgba(84,115,255,.09), transparent 30rem),
    var(--canvas);
}

.site-shell { position: relative; isolation: isolate; }
.site-shell::before {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0;
  opacity: .35;
  pointer-events: none;
  background-image: linear-gradient(rgba(20,32,51,.028) 1px, transparent 1px), linear-gradient(90deg, rgba(20,32,51,.028) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

.topbar {
  position: relative;
  background: linear-gradient(90deg, #111923, #243441 52%, #111923);
}
.topbar::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.26), transparent);
}

.nav {
  background: rgba(255,255,255,.72);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
}
.nav-inner { min-height: 74px; }
.brand-mark {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #162532, #071018);
  box-shadow: 0 8px 16px rgba(10,22,32,.18), inset 0 0 0 1px rgba(255,255,255,.24);
}
.brand-mark::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  top: -7px;
  right: -5px;
  border-radius: 50%;
  background: rgba(255,104,72,.72);
  filter: blur(7px);
}
.nav-links a { transition: color .2s ease; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--ink); }
.nav-cta { box-shadow: 0 8px 18px rgba(20,32,51,.16); }

.hero {
  position: relative;
  margin-top: 32px;
  gap: 20px;
  grid-template-columns: minmax(380px, .74fr) minmax(0, 1.5fr);
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -28px -45px -25px;
  border-radius: 46px;
  background: radial-gradient(circle at 30% 28%, rgba(255,255,255,.92), transparent 54%), radial-gradient(circle at 83% 14%, rgba(116,105,223,.12), transparent 40%);
}
.hero-copy {
  height: clamp(360px, 26vw, 420px);
  border-radius: 28px;
  border-color: rgba(255,255,255,.25);
  background:
    linear-gradient(145deg, rgba(38,58,71,.93), rgba(10,17,24,.90)),
    radial-gradient(circle at 92% 6%, rgba(255,104,72,.32), transparent 42%);
  box-shadow: 0 28px 65px rgba(16,28,40,.24), inset 0 1px 0 rgba(255,255,255,.13);
}
.hero-copy::after { opacity: .7; }
.hero-copy h1 { letter-spacing: -.065em; }
.hero-lede { max-width: 430px; }
.hero-actions .button { min-height: 46px; border-radius: 12px; }
.hero-actions .button.primary { box-shadow: 0 12px 24px rgba(255,104,72,.26); }
.hero-proof { gap: 9px 15px; }
.hero-proof span { padding: 6px 9px; border: 1px solid rgba(255,255,255,.10); border-radius: 999px; background: rgba(255,255,255,.045); }

.hero-carousel {
  height: clamp(360px, 26vw, 420px);
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 28px;
  box-shadow: 0 28px 65px rgba(16,28,40,.20), 0 0 0 8px rgba(255,255,255,.38);
}
.hero-carousel::before {
  content: "LIVE CATEGORY ROUTES";
  position: absolute;
  z-index: 3;
  top: 19px;
  left: 22px;
  padding: 6px 9px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  color: rgba(255,255,255,.86);
  background: rgba(7,13,18,.36);
  backdrop-filter: blur(10px);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .13em;
}
.hero-carousel::after { border-radius: 28px; }
.slide::after {
  background: linear-gradient(90deg, rgba(6,12,18,.62), transparent 58%), linear-gradient(0deg, rgba(6,12,18,.76), transparent 48%);
}
.slide-caption {
  right: 28px;
  bottom: 28px;
  left: 28px;
}
.slide-caption strong { text-shadow: 0 6px 22px rgba(0,0,0,.28); }
.slide-caption small { max-width: 370px; }
.carousel-controls {
  top: auto;
  right: 19px;
  bottom: 18px;
  padding: 5px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  background: rgba(8,14,20,.33);
  backdrop-filter: blur(12px);
}
.carousel-controls button { background: rgba(12,18,25,.42); }

.entrance-section, .workflow-section { margin-top: 84px; }
.section-heading { margin-bottom: 27px; }
.section-heading h2 { color: #132033; }
.section-heading p { color: #64758a; }
.entrance-layout { gap: 20px; }
.entrance-grid { gap: 16px; }
.entrance-card {
  --card-accent: var(--accent);
  position: relative;
  border-color: rgba(25,42,60,.13);
  border-radius: 20px;
  background: rgba(255,255,255,.78);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  backdrop-filter: blur(16px) saturate(130%);
  box-shadow: 0 10px 30px rgba(20,32,51,.065), inset 0 1px 0 rgba(255,255,255,.88);
}
.entrance-card::before {
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  right: 20px;
  left: 20px;
  height: 3px;
  border-radius: 0 0 8px 8px;
  background: var(--card-accent);
  opacity: .85;
}
.entrance-furniture { --card-accent: var(--teal); }
.entrance-packaging { --card-accent: var(--violet); }
.entrance-card:hover, .entrance-card:focus-visible {
  border-color: color-mix(in srgb, var(--card-accent) 54%, white);
  box-shadow: 0 22px 42px rgba(20,32,51,.14), 0 0 0 4px color-mix(in srgb, var(--card-accent) 12%, transparent);
  background: radial-gradient(circle at var(--spot-x, 50%) var(--spot-y, 22%), rgba(255,255,255,.58), transparent 38%), rgba(255,255,255,.84);
}
.entrance-image { aspect-ratio: 1.48 / 1; background: #dfe6ec; }
.entrance-image::after { background: linear-gradient(0deg, rgba(8,13,19,.48), transparent 60%); }
.entrance-index { background: var(--card-accent); box-shadow: 0 8px 16px rgba(10,20,30,.18); }
.entrance-body { padding: 20px 19px 22px; }
.entrance-body .eyebrow { color: var(--card-accent); }
.entrance-body h3 { font-size: 23px; }
.entrance-link { color: var(--card-accent); }
.entrance-link b { color: var(--card-accent); }

.ai-chat-card { 
  border-color: rgba(20,52,68,.17);
  border-radius: 20px;
  background: rgba(250,253,254,.78);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  backdrop-filter: blur(18px) saturate(135%);
  box-shadow: 0 16px 34px rgba(20,32,51,.11), inset 0 1px 0 rgba(255,255,255,.9);
}
.rfq-anchor { display: block; height: 0; scroll-margin-top: 96px; }
.chat-head { background: rgba(255,255,255,.65); }
.chat-avatar { background: linear-gradient(145deg, #132735, #081219); box-shadow: 0 7px 15px rgba(9,26,34,.18), inset 0 0 0 1px rgba(255,255,255,.2); }
.chat-quick button { background: rgba(255,255,255,.72); }
.chat-form { background: rgba(255,255,255,.65); }

.workflow-section {
  position: relative;
  padding: 28px 28px 36px;
  border: 1px solid rgba(25,42,60,.10);
  border-radius: 26px;
  background: rgba(255,255,255,.42);
}
.workflow-section::before {
  content: "";
  position: absolute;
  top: 93px;
  right: 45px;
  left: 45px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,104,72,.30), rgba(13,155,145,.30), transparent);
  pointer-events: none;
}
.workflow-grid { position: relative; }
.workflow-grid article {
  position: relative;
  min-height: 170px;
  border-color: rgba(25,42,60,.12);
  border-radius: 18px;
  background: rgba(255,255,255,.74);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.workflow-grid article:hover { box-shadow: 0 16px 28px rgba(20,32,51,.10); }
.workflow-grid span { display: inline-grid; place-items: center; width: 29px; height: 29px; border-radius: 50%; color: #fff; background: var(--dark); }

.trust-section {
  position: relative;
  overflow: hidden;
  margin-top: 74px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 28px;
  background: linear-gradient(120deg, #121d28, #1b2e38 60%, #20373d);
  box-shadow: 0 22px 50px rgba(17,24,32,.15);
}
.trust-section::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -170px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(255,255,255,.025), 0 0 0 70px rgba(255,255,255,.018);
  pointer-events: none;
}
.trust-points div { background: rgba(255,255,255,.055); }

.assurance-section {
  width: min(var(--max), calc(100% - 40px));
  margin: 52px auto 0;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 18px;
}
.assurance-intro, .assurance-faq {
  border: 1px solid rgba(25,42,60,.12);
  border-radius: 22px;
  background: rgba(255,255,255,.70);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  backdrop-filter: blur(14px) saturate(130%);
  box-shadow: 0 12px 30px rgba(20,32,51,.06);
}
.assurance-intro { padding: 28px; }
.assurance-intro h2 { max-width: 480px; margin: 0; font-size: clamp(26px, 3.2vw, 39px); line-height: 1.02; letter-spacing: -.045em; }
.assurance-intro p { max-width: 510px; margin: 16px 0 20px; color: var(--muted); font-size: 13px; line-height: 1.65; }
.assurance-map { display: inline-flex; align-items: center; gap: 9px; min-height: 40px; padding: 0 14px; border: 1px solid rgba(13,155,145,.28); border-radius: 10px; color: #087e76; background: rgba(13,155,145,.08); font-size: 11px; font-weight: 800; }
.assurance-map:hover { border-color: var(--teal); background: rgba(13,155,145,.14); }
.assurance-faq { padding: 9px 20px; }
.assurance-faq details { padding: 17px 0; border-bottom: 1px solid rgba(25,42,60,.10); }
.assurance-faq details:last-child { border-bottom: 0; }
.assurance-faq summary { cursor: pointer; list-style: none; padding-right: 24px; color: var(--ink); font-size: 14px; font-weight: 800; position: relative; }
.assurance-faq summary::-webkit-details-marker { display: none; }
.assurance-faq summary::after { content: "+"; position: absolute; right: 0; color: var(--accent); font-size: 19px; font-weight: 500; line-height: 1; }
.assurance-faq details[open] summary::after { content: "–"; }
.assurance-faq p { max-width: 620px; margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }

/* 一次性滚动显现：由 JS 添加 .is-visible，尊重 reduced-motion。 */
.reveal-item { opacity: 0; transform: translateY(18px); }
.reveal-item.is-visible { animation: vobom-reveal .6s cubic-bezier(.22,.7,.2,1) both; animation-delay: var(--reveal-delay, 0ms); }
@keyframes vobom-reveal { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 1040px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy, .hero-carousel { height: clamp(360px, 52vw, 500px); }
  .workflow-section { padding: 24px 20px 30px; }
  .workflow-section::before { top: 91px; right: 27px; left: 27px; }
}
@media (max-width: 760px) {
  .hero { margin-top: 18px; }
  .hero::before { inset: -14px -15px; }
  .hero-copy, .hero-carousel { height: 348px; }
  .hero-copy { border-radius: 22px; padding: 24px 22px; }
  .hero-carousel { border-radius: 22px; box-shadow: 0 18px 38px rgba(16,28,40,.15); }
  .hero-carousel::before { top: 13px; left: 14px; font-size: 8px; }
  .slide-caption { right: 18px; bottom: 18px; left: 18px; }
  .carousel-controls { right: 12px; bottom: 12px; }
  .entrance-section, .workflow-section { margin-top: 60px; }
  .workflow-section::before { display: none; }
  .assurance-section { width: min(var(--max), calc(100% - 28px)); margin-top: 46px; grid-template-columns: 1fr; }
  .assurance-intro { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal-item, .reveal-item.is-visible { opacity: 1; transform: none; animation: none; }
}

/* 首屏最终尺寸回归：避免长品类文案被固定高度裁出面板。 */
.hero {
  grid-template-columns: minmax(440px, .9fr) minmax(0, 1.3fr);
}
.hero-copy,
.hero-carousel {
  height: auto;
  min-height: 460px;
}
.hero-copy {
  padding: 34px;
}
.hero-copy h1 {
  font-size: clamp(40px, 3.2vw, 48px);
  line-height: 1.02;
}
.hero-lede {
  max-width: 430px;
  font-size: 13px;
  line-height: 1.5;
}
.hero-proof { margin-top: 14px; }
@media (max-width: 1040px) and (min-width: 761px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy,
  .hero-carousel {
    min-height: 420px;
  }
}
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy {
    height: auto;
    min-height: 0;
    padding: 25px 22px;
  }
  .hero-copy h1 {
    font-size: clamp(32px, 9vw, 44px);
    line-height: 1.02;
  }
  .hero-lede {
    font-size: 13.5px;
    line-height: 1.5;
  }
  .hero-carousel {
    height: 340px;
    min-height: 340px;
  }
}