:root {
  --primary: #2563eb;
  --accent: #06b6d4;
  --ink: #0f172a;
  --text: #475569;
  --muted: #94a3b8;
  --line: rgba(15, 23, 42, .08);
  --bg: #f8fafc;
  --card: #fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
.wrap { width: min(1280px, calc(100% - 48px)); margin: 0 auto; }

.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}
.nav .wrap { min-height: 76px; display: flex; align-items: center; gap: 28px; }
.logo { display: flex; align-items: center; }
.logo-img { height: 42px; width: auto; max-width: 168px; object-fit: contain; display: block; }
.menu { display: flex; align-items: center; gap: 8px; margin: 0 0 0 auto; padding: 0; list-style: none; }
.menu > li { position: relative; }
.menu > li > a, .menu > li > span {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 12px; color: var(--text); font-size: 15px; font-weight: 500; cursor: pointer;
}
.menu > li.has-sub > span:after {
  content: ""; width: 0; height: 0; border: 4px solid transparent; border-top-color: currentColor; margin-top: 3px;
}
.menu > li.on > a, .menu > li > a:hover, .menu > li > span:hover { color: var(--ink); }
.nav-act .btn { white-space: nowrap; }
.menu > li.has-sub:after {
  content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 14px;
}
.menu .sub {
  display: none; position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%);
  min-width: 160px; margin: 0; padding: 8px 0; list-style: none;
  background: #fff; border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,.12); z-index: 50;
}
.menu > li:hover > .sub, .menu > li:focus-within > .sub { display: block; }
.menu .sub a { display: block; padding: 10px 20px; color: var(--text); font-size: 14px; }
.menu .sub a:hover { color: var(--primary); background: rgba(37,99,235,.06); }
.nav-act { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.nav-act .btn { white-space: nowrap; padding: 10px 16px; font-size: 14px; }
.consult-shell,
.consult-shell[hidden] { display: none !important; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 8px; border: 0; cursor: pointer;
  font-size: 15px; font-weight: 650; color: #fff;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  box-shadow: 0 4px 18px rgba(37,99,235,.35);
}
.btn:hover { transform: translateY(-1px); }
.btn.ghost, .btn-outline {
  background: transparent; color: var(--ink);
  border: 1px solid rgba(15,23,42,.15); box-shadow: none;
}
.btn.ghost:hover, .btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(37,99,235,.05); }
.btn-grad { background: linear-gradient(135deg, #2563eb, #06b6d4); color: #fff; border: 0; box-shadow: 0 4px 18px rgba(37,99,235,.3); }
.menu-toggle { display: none; margin-left: auto; background: none; border: 0; font-size: 14px; }

.hero { position: relative; overflow: hidden; padding: 56px 0 28px; background: linear-gradient(180deg, #f8fafc 0%, #eef4ff 100%); }
.hero:before, .hero:after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none;
}
.hero:before { width: 520px; height: 520px; right: -120px; top: -180px; background: rgba(37,99,235,.16); }
.hero:after { width: 420px; height: 420px; left: -140px; bottom: -160px; background: rgba(6,182,212,.14); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.12fr .88fr; gap: 56px; align-items: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 0 18px; padding: 7px 14px; border-radius: 999px;
  background: rgba(37,99,235,.1); border: 1px solid rgba(37,99,235,.18);
  color: #2563eb; font-size: 13px; letter-spacing: 0;
}
.kicker:before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #06b6d4; }
.hero h1 { margin: 0 0 18px; font-size: 54px; line-height: 1.15; font-weight: 800; letter-spacing: -1px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #2563eb, #06b6d4 55%, #8b5cf6);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { margin: 0 0 26px; max-width: 560px; color: var(--text); font-size: 17px; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 34px; }
.stats { display: flex; gap: 42px; }
.stats div { background: none; border: 0; box-shadow: none; padding: 0; }
.stats strong { display: block; font-size: 30px; font-weight: 750; }
.stats span { color: var(--muted); font-size: 13px; }
.panel {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 18px 50px rgba(15,23,42,.08);
  padding: 22px 22px 16px;
  animation: card-float 6s ease-in-out infinite;
}
@keyframes card-float {
  0%, 100% { transform: perspective(1000px) rotateY(-5deg) rotateX(3deg) translateY(0); }
  50% { transform: perspective(1000px) rotateY(-5deg) rotateX(3deg) translateY(-12px); }
}
.panel-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.panel h2 { margin: 0; font-size: 16px; }
.panel .ok {
  display: inline-flex; align-items: center; gap: 6px;
  color: #16a34a; font-size: 12px; background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.2); border-radius: 999px; padding: 3px 10px;
}
.panel .ok i {
  width: 6px; height: 6px; border-radius: 50%; background: #22c55e;
  animation: pulse-glow 2s ease-in-out infinite;
}
@keyframes pulse-glow { 0%, 100% { opacity: .45; } 50% { opacity: 1; } }
.map-svg { background: rgba(37,99,235,.04); border-radius: 12px; padding: 12px; }
.network-svg { width: 100%; height: auto; display: block; }
.center-node { fill: #06b6d4; filter: drop-shadow(0 0 10px rgba(6,182,212,.8)); }
.node-small { fill: #2563eb; filter: drop-shadow(0 0 6px rgba(37,99,235,.6)); }
.hero-line { stroke: url(#heroLine); stroke-width: 1.5; opacity: .7; }
.data-packet { fill: #2563eb; filter: drop-shadow(0 0 4px #2563eb); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.metrics b { display: block; font-size: 16px; }
.metrics span { color: var(--muted); font-size: 12px; }

.block {
  display: flex; align-items: center; justify-content: center;
  min-height: 620px; padding: 72px 0; background: #fff;
}
.block.alt { background: #f1f5f9; }
.block.soft { background: linear-gradient(180deg, #eef6ff 0%, #f8fafc 100%); }
.block.mint { background: linear-gradient(180deg, #ecfeff 0%, #f8fafc 100%); }
.block.dark {
  background:
    radial-gradient(700px 280px at 85% 10%, rgba(37,99,235,.35), transparent 60%),
    radial-gradient(500px 240px at 10% 90%, rgba(6,182,212,.22), transparent 55%),
    linear-gradient(180deg, #0b1730 0%, #102a4a 100%);
  color: #e2e8f0;
}
.block.dark .block-head h2 {
  background: linear-gradient(135deg, #fff, #93c5fd);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.block.dark .block-head p { color: #94a3b8; }
.block-head { text-align: center; max-width: 720px; margin: 0 auto 42px; }
.block-head h2 {
  margin: 0 0 12px; font-size: 38px; font-weight: 750;
  background: linear-gradient(135deg, #0f172a, #334155);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.block-head p { margin: 0; color: var(--text); font-size: 16px; }
.block-head .more { display: inline-block; margin-top: 10px; color: var(--primary); }

.arch-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.arch-card {
  position: relative; display: flex; flex-direction: column; height: 100%;
  background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 24px 20px; box-shadow: 0 4px 20px rgba(15,23,42,.04);
}
.arch-card:not(:last-child):after {
  content: ""; position: absolute; right: -12px; top: 50%; width: 18px; height: 2px;
  background: linear-gradient(90deg, #2563eb, #06b6d4); transform: translateY(-50%);
}
.arch-head {
  display: flex; align-items: center; gap: 10px; margin: 0 0 12px; white-space: nowrap;
}
.arch-step {
  width: 36px; height: 36px; border-radius: 10px; margin: 0; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 750; font-size: 14px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
}
.arch-card h3 { margin: 0; font-size: 17px; white-space: nowrap; }
.arch-card p { margin: 0; margin-top: auto; color: var(--text); font-size: 13px; line-height: 1.7; }

.latency-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.latency-card {
  display: flex; flex-direction: column; height: 100%;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px; padding: 22px 18px; backdrop-filter: blur(6px);
}
.latency-card h3 { margin: 0 0 6px; font-size: 16px; color: #fff; }
.latency-card .ms {
  font-size: 32px; font-weight: 800; color: #67e8f9; margin: 10px 0 4px;
}
.latency-card p { margin: 0; color: #94a3b8; font-size: 13px; }
.latency-bar {
  height: 6px; border-radius: 999px; background: rgba(255,255,255,.1); margin-top: auto; overflow: hidden;
}
.latency-bar i {
  display: block; width: 0; height: 100%; border-radius: inherit;
  background: linear-gradient(90deg, #2563eb, #06b6d4);
  transition: width 1.15s cubic-bezier(.2,.7,.2,1);
}

.scene-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.scene-card {
  display: flex; flex-direction: column; height: 100%; min-width: 0;
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px 22px;
  box-shadow: 0 4px 20px rgba(15,23,42,.04);
}
.scene-head {
  display: flex; align-items: center; gap: 12px; margin: 0 0 12px; white-space: nowrap;
}
.scene-card .ico {
  width: 44px; height: 44px; border-radius: 12px; margin: 0; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; color: #fff;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
}
.scene-card h3 { margin: 0; font-size: 18px; white-space: nowrap; }
.scene-card p { margin: 0 0 12px; color: var(--text); font-size: 14px; }
.scene-card ul { margin: auto 0 0; padding: 0; list-style: none; }
.scene-card li {
  position: relative; padding: 5px 0 5px 16px; color: #334155; font-size: 13px;
}
.scene-card li:before {
  content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; border-radius: 50%;
  background: #2563eb;
}

.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.process article {
  display: flex; flex-direction: column; height: 100%;
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px 18px;
  text-align: left; box-shadow: 0 4px 18px rgba(15,23,42,.04);
}
.process-head {
  display: flex; align-items: center; justify-content: flex-start; gap: 10px;
  margin: 0 0 12px; white-space: nowrap;
}
.process .n {
  width: 36px; height: 36px; margin: 0; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #2563eb, #06b6d4); color: #fff; font-weight: 800;
}
.process h3 { margin: 0; font-size: 16px; white-space: nowrap; }
.process p { margin: 0; margin-top: auto; color: var(--text); font-size: 13px; }

.trust-row {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 8px;
}
.trust-row div {
  display: flex; flex-direction: column; justify-content: center; height: 100%;
  text-align: center; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 18px 10px; font-size: 13px; color: #334155; font-weight: 600;
}
.trust-row strong { display: block; font-size: 20px; color: #2563eb; margin-bottom: 4px; }

.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.product-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 32px 28px; box-shadow: 0 4px 24px rgba(0,0,0,.05);
}
.product-card:hover { border-color: rgba(37,99,235,.25); box-shadow: 0 12px 32px rgba(0,0,0,.08); }
.card-head { display: flex; gap: 14px; margin-bottom: 12px; }
.product-icon {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0; color: #fff;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  box-shadow: 0 4px 16px rgba(37,99,235,.28);
}
.product-name { margin: 0 0 2px; font-size: 20px; font-weight: 750; }
.product-subtitle { margin: 0; font-size: 13px; color: var(--primary); font-weight: 550; }
.product-desc { margin: 0 0 14px; color: var(--text); font-size: 14px; line-height: 1.7; }
.starting-price {
  display: flex; align-items: baseline; gap: 4px; padding: 10px 14px; margin-bottom: 16px;
  border-radius: 10px; border: 1px solid rgba(37,99,235,.12);
  background: linear-gradient(135deg, rgba(37,99,235,.06), rgba(6,182,212,.04));
}
.starting-price-label, .starting-price-unit { font-size: 12px; color: var(--text); }
.starting-price-value { font-size: 22px; font-weight: 800; color: var(--primary); }
.selector { margin-bottom: 12px; }
.selector-label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 650; color: var(--text); }
.selector select, .order-field input {
  width: 100%; height: 42px; padding: 0 12px; border-radius: 10px;
  border: 1px solid rgba(15,23,42,.1); background: #fff; outline: none;
}
.selector select:focus, .order-field input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.calc-price { display: none; margin: 4px 0 14px; padding: 16px; border-radius: 12px; background: rgba(37,99,235,.04); border: 1px solid rgba(37,99,235,.1); }
.calc-price.show { display: block; }
.calc-price strong { font-size: 30px; color: var(--primary); font-weight: 750; }
.calc-price span { color: var(--text); font-size: 14px; }
.order-dialog[hidden] { display: none !important; }
.order-dialog {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
}
.order-dialog-mask { position: absolute; inset: 0; background: rgba(15,23,42,.45); }
.order-dialog-panel {
  position: relative; z-index: 1; width: min(440px, calc(100% - 32px));
  max-height: min(86vh, 760px); margin: 0; border-radius: 16px; overflow: hidden;
  display: flex; flex-direction: column;
  background: #fff; box-shadow: 0 24px 60px rgba(15,23,42,.22);
}
.order-dialog-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px; color: #fff;
  background: linear-gradient(90deg, #1d4ed8, #38bdf8);
}
.order-dialog-head h3 { margin: 0; font-size: 18px; font-weight: 700; color: #fff; }
.order-dialog-x {
  border: 0; background: transparent; color: #fff; font-size: 22px; line-height: 1; cursor: pointer;
}
.order-dialog-body { padding: 16px 18px 18px; overflow: auto; }
.order-summary {
  margin: 0 0 12px; padding: 8px 10px; border-radius: 8px;
  background: #f8fafc; color: #64748b; font-size: 12px; line-height: 1.6;
}
.qr-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.qr-card {
  border: 1px solid #e5e7eb; border-radius: 10px; padding: 10px 8px 12px; text-align: center; background: #fff;
}
.qr-name { margin-bottom: 8px; font-size: 13px; font-weight: 650; color: #334155; }
.qr-card img { width: 100%; max-width: 148px; height: auto; margin: 0 auto; }
.or-line {
  display: flex; align-items: center; gap: 12px; margin: 16px 0 14px; color: #94a3b8; font-size: 13px;
}
.or-line:before, .or-line:after { content: ""; flex: 1; height: 1px; background: #e5e7eb; }
.form-label { display: block; margin: 12px 0 6px; font-size: 14px; font-weight: 650; color: #334155; }
.form-label em { color: #ef4444; font-style: normal; }
.form-input, .form-select, .form-textarea {
  width: 100%; border: 1px solid #e5e7eb; border-radius: 8px; background: #fff; outline: none;
}
.form-input, .form-select { height: 40px; padding: 0 12px; }
.form-textarea { min-height: 88px; padding: 10px 12px; resize: vertical; }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: #2563eb; }
.contact-row { display: grid; grid-template-columns: 92px 1fr; gap: 8px; }
.submit-btn {
  width: 100%; margin-top: 16px; height: 44px; border: 0; border-radius: 8px; color: #fff;
  font-weight: 700; cursor: pointer; background: linear-gradient(90deg, #1d4ed8, #38bdf8);
}
.submit-btn:disabled { opacity: .7; cursor: default; }
.submit-hint { margin: 10px 0 0; text-align: center; color: #94a3b8; font-size: 12px; }
.order-msg { min-height: 20px; margin: 8px 0 0; text-align: center; font-size: 13px; color: #16a34a; }
.order-msg.is-err { color: #dc2626; }
.sd-toast {
  position: fixed; left: 50%; top: 18%; z-index: 300;
  transform: translate(-50%, -8px); opacity: 0;
  min-width: 220px; max-width: min(90vw, 420px);
  padding: 14px 22px; border-radius: 12px; text-align: center;
  color: #fff; font-size: 15px; font-weight: 650; line-height: 1.5;
  background: rgba(15, 23, 42, .92); box-shadow: 0 12px 36px rgba(15,23,42,.28);
  pointer-events: none; transition: opacity .25s ease, transform .25s ease;
}
.sd-toast.show { opacity: 1; transform: translate(-50%, 0); }
.sd-toast:not(.is-err) { background: linear-gradient(135deg, #16a34a, #059669); }
.sd-toast.is-err { background: linear-gradient(135deg, #dc2626, #b91c1c); }
.card-actions { display: flex; gap: 10px; margin-top: auto; }
.card-actions .btn { flex: 1; padding: 11px 8px; font-size: 14px; }

.cover-box {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,.05); padding: 28px 36px 36px;
}
.world { width: 100%; height: auto; max-height: 420px; margin-bottom: 12px; }
.world .connections line {
  stroke: url(#coverLine); stroke-width: 1.5; stroke-dasharray: 8 6; opacity: .6;
  animation: flow-line 3s linear infinite;
}
@keyframes flow-line { to { stroke-dashoffset: -28; } }
.world .nodes circle {
  fill: #2563eb; filter: drop-shadow(0 0 8px rgba(37,99,235,.8));
  animation: pulse-node 2s ease-in-out infinite;
}
.world .nodes circle.active { fill: #06b6d4; filter: drop-shadow(0 0 12px rgba(6,182,212,.9)); }
@keyframes pulse-node { 0%, 100% { opacity: 1; } 50% { opacity: .6; } }
.world text { fill: #64748b; font-size: 14px; text-anchor: middle; font-weight: 550; }
.cover-nums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center; margin-top: 8px; }
.cover-nums strong {
  display: block; font-size: 34px; font-weight: 750;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cover-nums span, .trades { color: var(--text); }
.region-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 28px 0 0; }
.region-row span { padding: 8px 16px; border-radius: 999px; background: rgba(37,99,235,.08); border: 1px solid var(--line); font-size: 14px; color: var(--text); }

.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; align-items: stretch; }
.scard {
  display: flex; flex-direction: column; height: 100%;
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 28px 22px; box-shadow: 0 4px 24px rgba(0,0,0,.04);
}
.scard:hover { transform: translateY(-6px); border-color: rgba(37,99,235,.25); }
.scard-head {
  display: flex; align-items: center; gap: 12px; margin: 0 0 12px; white-space: nowrap;
}
.scard h3 { margin: 0; font-size: 18px; white-space: nowrap; }
.scard p { margin: 0; margin-top: auto; color: var(--text); font-size: 14px; }
.mark {
  width: 40px; height: 40px; border-radius: 12px; color: #fff; font-size: 15px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #8b5cf6, #2563eb);
  box-shadow: 0 8px 20px rgba(139,92,246,.28);
}

.adv-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: stretch; }
.why article { display: flex; gap: 16px; padding: 8px 0 18px; background: none; border: 0; box-shadow: none; }
.why h3 { margin: 0 0 6px; font-size: 18px; }
.why p { margin: 0; color: var(--text); font-size: 14px; }
.why .num { font-size: 28px; font-weight: 800; color: rgba(37,99,235,.45); line-height: 1; min-width: 42px; }
.compare-wrap { height: 100%; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: 0 4px 24px rgba(0,0,0,.05); overflow: auto; }
.compare { width: 100%; border-collapse: collapse; min-width: 460px; }
.compare th, .compare td { padding: 14px 12px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
.compare th { background: rgba(37,99,235,.05); color: var(--text); }
.compare td:last-child, .compare th:last-child { color: #0891b2; font-weight: 650; }

.articles-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.article-card {
  display: flex; overflow: hidden; background: #fff;
  border: 1px solid var(--line); border-radius: 14px; transition: .3s ease;
}
.article-card:hover {
  transform: translateY(-4px); border-color: rgba(37,99,235,.2);
  box-shadow: 0 12px 32px rgba(0,0,0,.08);
}
.article-thumb {
  position: relative; flex-shrink: 0; width: 200px; min-height: 150px; background: #f1f5f9;
}
.article-thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-fallback {
  width: 100%; height: 100%; min-height: 150px;
  display: flex; align-items: center; justify-content: center; color: #cbd5e1;
}
.article-info {
  flex: 1; min-width: 0; padding: 20px; display: flex; flex-direction: column;
}
.article-title {
  margin: 0 0 8px; font-size: 17px; font-weight: 700; line-height: 1.4; color: #0f172a;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-summary {
  margin: 0 0 12px; flex: 1; font-size: 13px; line-height: 1.6; color: #64748b;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-meta {
  display: flex; align-items: center; gap: 14px; font-size: 12px; color: #94a3b8;
}
.meta-category {
  padding: 2px 8px; border-radius: 4px; background: #f0f4ff; color: #2563eb; font-weight: 550;
}
.pager { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.pager a, .pager span {
  min-width: 36px; height: 36px; padding: 0 10px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); background: #fff; color: #334155; font-size: 13px;
}
.pager .active, .pager a:hover { border-color: #2563eb; color: #2563eb; }

.cta { background: transparent; padding: 10px 0 70px; }
.cta-card {
  position: relative; overflow: hidden; text-align: center;
  border-radius: 24px; padding: 72px 40px;
  background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(139,92,246,.1));
  border: 1px solid rgba(37,99,235,.16);
}
.cta h2 { margin: 0 0 12px; font-size: 36px; }
.cta p { margin: 0 auto 24px; max-width: 560px; color: var(--text); font-size: 17px; }

.footer { background: #1e293b; color: #94a3b8; padding: 56px 0 22px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 28px; }
.footer h3 { margin: 0 0 14px; color: #f8fafc; font-size: 16px; }
.footer p { margin: 0 0 8px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin: 8px 0; }
.footer a:hover { color: #fff; }
.copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(148,163,184,.15); display: flex; justify-content: space-between; font-size: 13px; }

.page-head {
  padding: 64px 0 36px; text-align: center;
  background: linear-gradient(135deg, #f8fafc, #dbeafe 55%, #e0f2fe);
}
.page-head h1 {
  margin: 8px 0 0; font-size: 40px; font-weight: 800;
  background: linear-gradient(135deg, #0f172a, #2563eb);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-head p, .crumb, .crumb a { color: var(--text); }
.subnav { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; list-style: none; margin: 0; padding: 18px 0; }
.subnav a { display: inline-block; padding: 7px 16px; border-radius: 999px; background: #fff; border: 1px solid #e2e8f0; font-size: 13px; }
.subnav a.on, .subnav a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.page { padding: 8px 0 72px; }
.split { display: grid; grid-template-columns: 1fr 320px; gap: 22px; }
.prose, .side-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: 0 4px 24px rgba(0,0,0,.04); }
.side-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.side-actions .btn { display: flex; width: 100%; box-sizing: border-box; }
.split aside .side-card + .side-card { margin-top: 16px; }
.price-lg { margin: 0 0 8px; font-size: 32px; color: var(--primary); font-weight: 800; }
.price-lg small { font-size: 13px; color: var(--text); font-weight: 500; }
.pager { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 22px; }
.pager a, .pager span, .pager li { list-style: none; display: inline-block; min-width: 34px; text-align: center; padding: 6px 10px; border-radius: 8px; background: #fff; border: 1px solid #e2e8f0; }
.pager a:hover { border-color: var(--primary); color: var(--primary); }
.eyou_form_attr { margin-bottom: 14px; }
.eyou_form_attr input, .eyou_form_attr select, .eyou_form_attr textarea,
.gbook input[type="text"], .gbook textarea, .gbook select {
  width: 100%; border: 1px solid #cbd5e1; border-radius: 10px; padding: 10px 12px; background: #fff; outline: none;
}
.gbook .btn { margin-top: 6px; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.contact-card, .addr-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,.05); padding: 24px;
}
.contact-card h2, .addr-card h2 { margin: 0 0 6px; font-size: 20px; }
.contact-card > p, .addr-card > p { margin: 0 0 16px; color: var(--text); }
.people { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.people div { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: #f8fafc; }
.people strong { display: block; margin-bottom: 4px; }
.people span, .addr-card li { color: var(--text); }
.addr-card { margin-top: 22px; }
.addr-card ul { margin: 0; padding: 0; list-style: none; }
.addr-card li { margin: 8px 0; }
.gbook label { display: block; margin: 12px 0 6px; font-size: 13px; font-weight: 650; color: #334155; }
.float-ask {
  position: fixed; right: 24px; bottom: 28px; z-index: 50;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-radius: 999px; color: #fff; font-weight: 700;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  box-shadow: 0 8px 24px rgba(37,99,235,.35);
}
.detail-order { max-width: 460px; margin-left: auto; }
.prose h2 { font-size: 22px; margin: 28px 0 10px; }
.prose p { color: #334155; line-height: 1.9; }

@media (max-width: 1024px) {
  .hero h1 { font-size: 38px; }
  .hero-grid, .adv-grid, .split, .foot-grid, .contact-grid, .people { grid-template-columns: 1fr; }
  .detail-order { margin: 0; max-width: none; }
  .prod-grid, .sol-grid, .arch-grid, .latency-grid, .process, .articles-grid { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .arch-card:after { display: none; }
  .panel { animation: none; transform: none; }
  .trust-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .block { min-height: 0; padding: 56px 0; }
  .menu-toggle { display: inline-flex; }
  .menu { display: none; position: absolute; left: 0; right: 0; top: 76px; flex-direction: column; align-items: stretch; background: #fff; padding: 8px 16px 16px; border-bottom: 1px solid var(--line); }
  .nav.open .menu { display: flex; }
  .menu .sub { position: static; transform: none; box-shadow: none; }
  .prod-grid, .sol-grid, .cover-nums, .stats, .arch-grid, .latency-grid, .process, .trust-row, .articles-grid { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: 1fr; }
  .hero-actions, .card-actions, .cta .wrap, .copy { flex-direction: column; }
  .article-thumb { width: 120px; min-height: 110px; }
  .block-head h2, .cta h2, .page-head h1 { font-size: 28px; }
}