:root {
  --bg: #050b1a;
  --surface: #0b1328;
  --surface-2: #101b35;
  --border: #1c2a4a;
  --text: #f2f6ff;
  --muted: #9aa9c2;
  --violet: #5b5bf7;
  --cyan: #16c7e8;
  --green: #2ad6a0;
  --orange: #f59e4b;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(54, 89, 164, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54, 89, 164, .12) 1px, transparent 1px),
    radial-gradient(circle at 80% 0%, rgba(22, 199, 232, .17), transparent 33%),
    radial-gradient(circle at 10% 23%, rgba(91, 91, 247, .15), transparent 29%);
  background-size: 48px 48px, 48px 48px, auto, auto;
  pointer-events: none;
}
a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(5, 11, 26, .86); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(72, 102, 164, .22); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { font-size: 1.1rem; font-weight: 800; letter-spacing: .02em; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: linear-gradient(135deg, var(--violet), var(--cyan)); color: #fff; }
.nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 18px; color: #cad5ea; font-size: .9rem; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border: 1px solid transparent; border-radius: 999px; font-weight: 700; transition: transform .2s, box-shadow .2s; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--violet), var(--cyan)); box-shadow: 0 10px 28px rgba(53, 102, 255, .34); }
.button-secondary { border-color: #31466f; background: rgba(10, 19, 42, .6); color: #e6efff; }
.menu-button { display: none; border: 0; background: transparent; color: #fff; font-size: 1.4rem; }
.hero { padding: 96px 0 64px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 13px; border: 1px solid #29426f; border-radius: 999px; color: #c9d9f7; font-size: .85rem; background: rgba(10, 25, 55, .55); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px var(--green); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 780px; margin: 20px 0 18px; font-size: clamp(2.65rem, 6vw, 5.3rem); line-height: 1.07; letter-spacing: -.055em; }
.gradient-text { background: linear-gradient(95deg, #8b82ff, #19d4ed); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-copy { max-width: 650px; color: #bfcae0; font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 44px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; max-width: 990px; overflow: hidden; border: 1px solid var(--border); border-radius: 18px; background: var(--border); }
.stat { padding: 21px; background: rgba(8, 18, 41, .84); transition: background .2s ease, transform .2s ease; }
.stat:hover, .stat:focus-visible { background: rgba(22, 50, 104, .94); transform: translateY(-2px); outline: none; }
.stat strong { display: block; font-size: 1.55rem; line-height: 1.1; }
.stat span { color: var(--muted); font-size: .82rem; }
.section { padding: 72px 0; }
.section-heading { max-width: 680px; margin-bottom: 30px; }
.section-heading h2 { margin-bottom: 8px; font-size: clamp(1.8rem, 3.5vw, 2.75rem); line-height: 1.2; }
.section-heading p, .muted { color: var(--muted); }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { min-height: 205px; padding: 26px; border: 1px solid var(--border); border-radius: 20px; background: linear-gradient(145deg, rgba(17, 31, 62, .92), rgba(8, 17, 38, .88)); box-shadow: inset 0 1px rgba(255,255,255,.035), 0 16px 44px rgba(0,0,0,.16); }
.card:hover { border-color: #3565a8; }
.card .icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 13px; background: rgba(91, 91, 247, .17); color: #b5b4ff; font-size: 1.25rem; }
.card h3 { margin: 20px 0 6px; font-size: 1.15rem; }
.card p { color: var(--muted); font-size: .92rem; }
.arrow-link { color: #c9edff; font-weight: 700; font-size: .92rem; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.process-step { padding: 21px; border-left: 1px solid #31548c; background: rgba(9, 19, 42, .74); }
.process-number { color: var(--cyan); font-weight: 800; font-size: .86rem; }
.process-step h3 { margin: 10px 0 6px; font-size: 1rem; }
.process-step p { margin-bottom: 0; color: var(--muted); font-size: .88rem; }
.article-list { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.article { padding: 23px; border: 1px solid var(--border); border-radius: 18px; background: rgba(10, 20, 43, .78); }
.article small { color: #77dff1; }
.article h3 { margin: 9px 0; font-size: 1.12rem; }
.article p { margin: 0; color: var(--muted); font-size: .9rem; }
.cta { position: relative; overflow: hidden; padding: 48px; border: 1px solid #2c4c83; border-radius: 24px; background: linear-gradient(120deg, rgba(32, 30, 100, .85), rgba(5, 47, 70, .8)); }
.cta::after { content: ""; position: absolute; right: -10%; bottom: -80%; width: 360px; height: 360px; border-radius: 50%; background: rgba(22, 199, 232, .18); filter: blur(30px); }
.cta-content { position: relative; z-index: 1; max-width: 690px; }
.cta h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); line-height: 1.2; }
.site-footer { padding: 56px 0 100px; border-top: 1px solid var(--border); color: var(--muted); font-size: .88rem; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .9fr; gap: 30px; }
.footer-grid h3 { color: #eaf1ff; font-size: 1rem; }
.footer-links { display: grid; gap: 8px; }
.risk { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); font-size: .8rem; line-height: 1.75; }
.page-hero { padding: 74px 0 38px; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.9rem); }
.account-page .page-hero { padding: 58px 0 20px; }
.account-page .section { padding: 24px 0; }
.content-panel { padding: 28px; border: 1px solid var(--border); border-radius: 20px; background: rgba(10, 19, 42, .84); }
.content-panel h2 { margin-top: 26px; font-size: 1.45rem; }
.content-panel h2:first-child { margin-top: 0; }
.data-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 14px; font-size: .92rem; }
.data-table th, .data-table td { padding: 14px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { color: #d8e7ff; background: #132346; }
.data-table td { color: #c1cee3; }
.section-tight { padding-top: 28px; }
.calculation-guide { padding-top: 28px; padding-bottom: 28px; }
.calculation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.calculation-card { padding: 23px; border: 1px solid var(--border); border-radius: 18px; background: rgba(10, 20, 43, .76); }
.method-label { color: #82e3f2; font-size: .8rem; font-weight: 800; }
.calculation-card h3 { margin: 10px 0 7px; font-size: 1.12rem; }
.calculation-card p { min-height: 52px; margin-bottom: 13px; color: var(--muted); font-size: .9rem; }
.calculation-card code { display: block; padding: 10px; border-radius: 8px; color: #d9e9ff; background: rgba(6, 14, 32, .74); font-family: inherit; font-size: .82rem; }
.calculation-card small { display: block; margin-top: 11px; color: #8fa2bf; font-size: .79rem; }
.calculator { padding: 28px; border: 1px solid #31548c; border-radius: 22px; background: linear-gradient(135deg, rgba(24, 29, 86, .78), rgba(6, 39, 61, .72)); }
.calculator-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.calculator-head h2 { margin-bottom: 5px; font-size: 1.55rem; }
.data-badge { padding: 6px 11px; border: 1px solid #365185; border-radius: 999px; color: #bcd1f5; white-space: nowrap; font-size: .82rem; }
.calculator-grid { display: grid; grid-template-columns: 1.1fr 1.35fr .7fr .8fr; gap: 14px; }
.margin-calculator .calculator-grid { grid-template-columns: 1.1fr 1.6fr .7fr; }
.contract-combobox { position: relative; }
.combo-control { display: flex; }
.calculator .combo-control input { border-radius: 10px 0 0 10px; }
.combo-control button { width: 46px; color: #dce9ff; border: 1px solid #38527e; border-left: 0; border-radius: 0 10px 10px 0; background: rgba(5, 14, 34, .72); font: inherit; cursor: pointer; }
.combo-control button:disabled { opacity: .6; cursor: not-allowed; }
.combo-options { position: absolute; z-index: 10; top: calc(100% + 7px); right: 0; left: 0; max-height: 252px; overflow-y: auto; border: 1px solid #38527e; border-radius: 12px; background: #09142c; box-shadow: 0 16px 32px rgba(0, 0, 0, .35); }
.combo-option { display: grid; gap: 3px; width: 100%; padding: 11px 13px; color: #edf4ff; border: 0; border-bottom: 1px solid rgba(56, 82, 126, .55); background: transparent; text-align: left; font: inherit; cursor: pointer; }
.combo-option:last-child { border-bottom: 0; }
.combo-option:hover, .combo-option.active { background: rgba(63, 104, 210, .25); }
.combo-option small { color: #93a9ca; }
.combo-empty { padding: 14px; color: #93a9ca; font-size: .86rem; }
.hours-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.hours-head h2, .hours-section-heading h2 { margin: 0 0 5px; font-size: 1.55rem; }
.hours-section-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.hours-section-heading p { margin: 0; color: var(--muted); }
.hours-icon { display: grid; width: 38px; height: 38px; place-items: center; color: #ffe56f; border: 1px solid rgba(255, 229, 111, .35); border-radius: 12px; background: rgba(255, 229, 111, .1); font-size: 1.25rem; }
.hours-icon.night { color: #a88dff; border-color: rgba(168, 141, 255, .4); background: rgba(112, 79, 218, .14); }
.vertical-chart-panel { overflow: hidden; border: 1px solid var(--border); border-radius: 20px; background: linear-gradient(135deg, rgba(15, 28, 64, .86), rgba(5, 27, 43, .74)); }
.chart-scroll { overflow-x: auto; padding: 22px; }
.vertical-chart { display: grid; grid-template-columns: 60px minmax(520px, 1fr); min-height: 330px; }
.time-axis { position: relative; border-right: 1px solid rgba(93, 130, 186, .35); }
.time-axis::before { position: absolute; top: 0; right: -5px; bottom: 0; width: 9px; border-radius: 8px; background: linear-gradient(#2c8df6, #38d9cb); content: ''; opacity: .75; }
.time-axis span { position: absolute; right: 15px; color: #adc0df; font-size: .78rem; transform: translateY(-50%); }
.time-axis span:first-child { transform: none; }
.time-axis span:last-child { transform: translateY(-100%); }
.time-lanes { display: flex; gap: 18px; padding-left: 20px; }
.day-lanes { justify-content: center; }
.day-column-chart { width: min(100%, 260px); margin: 0 auto; padding: 24px 16px; }
.day-column-chart h3 { margin: 0 0 24px; text-align: center; font-size: 1rem; }
.day-column-body { position: relative; height: 480px; }
.day-column-body .time-axis { position: absolute; left: 0; top: 0; bottom: 0; width: 72px; border: 0; }
.day-column-body .time-axis::before { display: none; }
.day-single-bar { position: absolute; left: 96px; top: 0; bottom: 0; width: 32px; border-radius: 16px; box-shadow: 0 0 16px #24c3e82a; }
.day-legend { margin: 22px 0 0; text-align: center; color: var(--muted); font-size: .75rem; }
.day-pending { padding: 40px; text-align: center; }
.hours-chart-scroll { overflow-x: auto; padding: 24px; }
.hours-chart-grid { display: grid; grid-template-columns: 62px repeat(6, 106px); align-items: start; gap: 11px; min-width: 764px; }
.hours-axis { position: relative; }
.hours-axis span, .hours-axis i { position: absolute; right: 0; width: 54px; transform: translateY(-50%); color: #9bacc3; font-size: .75rem; font-style: normal; text-align: right; }
.exchange-column { min-width: 0; }
.exchange-column h3 { min-height: 28px; margin: 0 0 18px; color: #c7d5e8; font-size: .95rem; text-align: center; }
.exchange-column-body { position: relative; }
.exchange-track { position: absolute; inset: 0; border: 1px solid rgba(69, 93, 130, .5); border-radius: 12px; background: #17263d; }
.exchange-segment { position: absolute; right: 0; left: 0; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 9px 7px; color: #172a3a; text-align: center; }
.night-segment { justify-content: flex-start; border-bottom: 2px solid #79dcff; }
.night-segment small { margin-top: auto; }
.night-segment-1 { background: linear-gradient(180deg, #857bf1 0%, #3db5eb 100%); box-shadow: 0 0 20px rgba(59, 157, 255, .32); }
.night-segment-2 { background: linear-gradient(180deg, #3db5eb 0%, #29c4e8 100%); box-shadow: 0 0 20px rgba(55, 154, 255, .30); }
.night-segment-3 { background: linear-gradient(180deg, #29c4e8 0%, #27d3e8 100%); box-shadow: 0 0 20px rgba(45, 180, 246, .30); }
.exchange-segment strong { color: #172a3a; font-size: .86rem; font-weight: 700; }
.exchange-segment ul { margin: 8px 0; padding: 0; list-style: none; }
.exchange-segment li { color: #172a3a; font-size: .75rem; line-height: 1.42; }
.exchange-segment small { color: #30495b; font-size: .67rem; line-height: 1.35; }
.day-segment { border-bottom: 2px solid #79dcff; box-shadow: 0 0 18px rgba(45, 169, 246, .26); }
.day-segment-1 { background: linear-gradient(180deg, #6a8fe8 0%, #53a7e9 100%); }
.day-segment-2 { background: linear-gradient(180deg, #53a7e9 0%, #3bb8e7 100%); }
.day-segment-3 { background: linear-gradient(180deg, #3bb8e7 0%, #26c9e5 100%); }
.day-segment strong { font-size: .75rem; }
.exchange-break { position: absolute; right: 0; left: 0; z-index: 2; color: #9aadc8; font-size: .75rem; text-align: center; }
.exchange-no-night { position: absolute; top: 50%; right: 0; left: 0; z-index: 1; color: #879bb6; font-size: .78rem; text-align: center; }
.day-legend { margin: 2px 0 0; padding: 0 24px 20px; color: var(--muted); font-size: .75rem; text-align: center; }
.night-column-chart { width: min(100%, 520px); }
.night-column-chart .day-column-body { height: 560px; }
.night-single-bar { background: linear-gradient(to bottom, #8e68ff, #33cbb9); }
.night-end-note { position: absolute; left: 148px; right: 0; transform: translateY(-100%); padding: 8px 0 8px 12px; border-left: 2px solid #6c8bdd; }
.night-end-note strong { color: #e5edff; font-size: .86rem; }
.night-end-note p { margin: 5px 0; color: #bbcce5; font-size: .82rem; line-height: 1.7; overflow-wrap: anywhere; }
.night-end-note small { color: #8da9ca; }
@media (max-width: 520px) {
  .night-column-chart .day-column-body { height: 720px; }
  .night-column-chart .day-single-bar { left: 64px; width: 24px; }
  .night-column-chart .time-axis { width: 64px; }
  .night-end-note { left: 104px; padding-left: 8px; }
}
.single-day-lane { flex: 0 0 170px; }
.single-day-lane .session-block { right: 32%; left: 32%; }
.time-lane { display: grid; grid-template-rows: 44px 1fr; flex: 1; min-width: 92px; color: #dce8ff; text-align: center; }
.time-lane > strong { display: grid; place-items: end center; padding-bottom: 9px; font-size: .82rem; }
.vertical-track { position: relative; min-height: 286px; border: 1px dashed rgba(100, 135, 186, .32); border-radius: 13px; background: repeating-linear-gradient(to bottom, transparent 0, transparent 52px, rgba(109, 143, 192, .16) 53px, transparent 54px); }
.session-block { position: absolute; right: 20%; left: 20%; border-radius: 10px; background: linear-gradient(180deg, #5c74ff, #24c3e8); box-shadow: 0 0 18px rgba(46, 164, 245, .25); }
.night-track .session-block { background: linear-gradient(180deg, #8e68ff, #33cbb9); }
.pending-lane { opacity: .55; }
.pending-lane .vertical-track { display: grid; place-items: center; color: #9eb0cc; }
.lane-products { position: absolute; top: 12px; right: 8px; left: 8px; color: #fff; font-size: .76rem; line-height: 1.65; word-break: break-all; z-index: 1; }
.chart-empty { align-self: center; color: #9eb0cc; }
.hours-note { margin: 13px 4px 0; color: #a8bcda; font-size: .85rem; }
.calculator label { display: grid; gap: 7px; color: #d3e0f8; font-weight: 700; font-size: .88rem; }
.calculator select, .calculator input, .search-field input { width: 100%; min-height: 44px; padding: 0 12px; color: #edf4ff; border: 1px solid #38527e; border-radius: 10px; background: rgba(5, 14, 34, .72); font: inherit; }
.calculator select:disabled, .calculator input:disabled, .search-field input:disabled { opacity: .6; cursor: not-allowed; }
.estimate-result { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 22px; overflow: hidden; border: 1px solid #294873; border-radius: 14px; background: #294873; }
.estimate-result > div { padding: 17px; background: rgba(7, 17, 38, .86); }
.estimate-result span { display: block; color: var(--muted); font-size: .8rem; }
.estimate-result strong { display: block; margin-top: 4px; color: #fff; font-size: 1.3rem; }
.calculator-note, .source-note { margin: 17px 0 0; color: #a8bcda; font-size: .85rem; }
.table-controls { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 16px; }
.exchange-tabs { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 18px; }
.exchange-tab { display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 13px; color: #b7c7e3; border: 1px solid #263c64; border-radius: 999px; background: rgba(9, 18, 39, .72); font: inherit; font-size: .86rem; cursor: pointer; }
.exchange-tab span { color: #7d94ba; font-size: .75rem; }
.exchange-tab:hover, .exchange-tab.active { color: #fff; border-color: #467ff0; background: rgba(49, 82, 189, .32); }
.exchange-tab.active span { color: #9beeff; }
.search-field { display: flex; align-items: center; gap: 9px; width: min(100%, 360px); padding: 0 12px; color: #a7c5f8; border: 1px solid var(--border); border-radius: 10px; background: rgba(10, 19, 42, .84); }
.search-field input { border: 0; padding: 0; background: transparent; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; }
.fee-table { min-width: 760px; }
.fee-table small { color: #8195b6; }
.product-row:hover td { background: rgba(34, 58, 104, .18); }
.expand-contracts { padding: 7px 10px; color: #b7f5ff; border: 1px solid #2b6083; border-radius: 7px; background: rgba(9, 49, 76, .35); font: inherit; font-size: .8rem; white-space: nowrap; cursor: pointer; }
.expand-contracts:hover { border-color: #2fcdeb; background: rgba(17, 101, 137, .35); }
.contract-details td { padding: 0 !important; background: rgba(4, 12, 28, .72); }
.contract-list { display: grid; gap: 1px; padding: 12px 18px; background: rgba(26, 48, 81, .35); }
.contract-item { display: grid; grid-template-columns: 1fr repeat(4, minmax(110px, 1fr)); gap: 12px; padding: 11px 12px; color: #b7c7e3; background: rgba(7, 17, 37, .75); font-size: .84rem; }
.contract-item strong { color: #ecf5ff; }
.empty-contracts { padding: 18px; color: #8fa2bf; font-size: .88rem; }
.empty-cell { padding: 38px !important; text-align: center !important; color: var(--muted) !important; }
.product-directory-card { padding: 30px; border: 1px solid #28528c; border-radius: 20px; background: linear-gradient(135deg, rgba(16, 31, 69, .94), rgba(6, 29, 53, .86)); box-shadow: inset 0 1px rgba(255, 255, 255, .04), 0 0 28px rgba(31, 116, 255, .12); }
.product-directory-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.product-directory-heading h2 { margin-bottom: 7px; font-size: 1.55rem; }
.product-directory-heading p { margin-bottom: 0; color: var(--muted); font-size: .92rem; }
.product-directory-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 24px; }
.directory-panel { margin-top: 24px; }
.directory-panel[hidden] { display: none; }
.directory-panel.product-directory-list { margin-top: 24px; }
.directory-note { margin: 16px 0 0; }
.product-directory-list span, .product-directory-list a { display: flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 12px; color: #d9f6ff; border: 1px solid rgba(70, 143, 222, .48); border-radius: 11px; background: linear-gradient(135deg, rgba(47, 76, 169, .45), rgba(17, 139, 185, .3)); box-shadow: inset 0 1px rgba(255, 255, 255, .05), 0 0 14px rgba(42, 158, 245, .08); font-weight: 700; text-align: center; }
.product-directory-list a:hover, .product-directory-list a:focus-visible { border-color: #31d1ee; background: linear-gradient(135deg, rgba(75, 95, 235, .7), rgba(20, 181, 218, .52)); box-shadow: 0 0 22px rgba(38, 176, 249, .35); outline: none; transform: translateY(-1px); }
.breadcrumb { display: flex; gap: 9px; margin-bottom: 16px; color: #91a5c6; font-size: .86rem; }
.breadcrumb a:hover { color: #bff5ff; }
.product-page-hero { padding-bottom: 30px; }
.product-summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border: 1px solid #294873; border-radius: 18px; background: #294873; }
.product-summary-grid article { min-height: 142px; padding: 22px; background: linear-gradient(145deg, rgba(18, 36, 78, .95), rgba(8, 21, 48, .92)); }
.product-summary-grid span, .product-summary-grid small { display: block; color: #9fb3d5; font-size: .82rem; }
.product-summary-grid strong { display: block; margin: 9px 0 6px; color: #e9fbff; font-size: clamp(1.25rem, 2.2vw, 1.7rem); line-height: 1.16; }
.formula-line { margin-bottom: 16px; padding: 14px 16px; color: #bff7ff; border: 1px solid rgba(65, 196, 242, .42); border-radius: 12px; background: rgba(18, 111, 150, .17); font-weight: 700; }
.product-explanation p:last-child { margin-bottom: 0; color: #c7d5e8; }
.product-fee-table { min-width: 700px; table-layout: fixed; }
.product-fee-table th, .product-fee-table td { width: 33.333%; padding: 16px 18px; text-align: center; vertical-align: middle; }
.product-hours-panel { padding: 28px; }
.product-session-grid { display: grid; grid-template-columns: .75fr 1.75fr; gap: 1px; overflow: hidden; margin-bottom: 20px; border: 1px solid #294873; border-radius: 14px; background: #294873; }
.product-session-grid > div { padding: 17px; background: rgba(7, 17, 38, .86); }
.product-session-grid span { display: block; margin-bottom: 5px; color: #9fb3d5; font-size: .82rem; }
.product-session-grid strong { color: #d9f7ff; font-size: 1rem; }
.product-hours-panel p { color: #b7c8e2; }
.product-info-grid { grid-template-columns: repeat(2, 1fr); }
.qr-wrap { display: flex; align-items: center; gap: 28px; }
.qr-image { width: 180px; height: 180px; padding: 9px; border-radius: 14px; background: #fff; object-fit: contain; }
.cta .qr-image { position: relative; z-index: 1; flex: 0 0 auto; }
.float-contact { position: fixed; right: 20px; bottom: 22px; z-index: 18; }
.float-contact .button { min-height: 48px; padding: 0 18px; }
@media (max-width: 820px) {
  .nav { min-height: 62px; }
  .menu-button { display: block; }
  .nav-links { display: none; position: absolute; top: 62px; left: 0; right: 0; padding: 20px; background: #081126; border-bottom: 1px solid var(--border); flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .nav-links .button { text-align: center; }
  .hero { padding-top: 62px; }
  .card-grid, .process, .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .article-list { grid-template-columns: 1fr; }
  .cta { padding: 30px 24px; }
  .qr-wrap { align-items: flex-start; flex-direction: column; }
  .calculator-grid, .estimate-result, .calculation-grid { grid-template-columns: 1fr; }
  .product-directory-list { grid-template-columns: repeat(2, 1fr); }
  .product-directory-heading { flex-direction: column; }
  .product-summary-grid { grid-template-columns: 1fr; }
  .product-session-grid { grid-template-columns: 1fr; }
  .calculator-head, .table-controls { align-items: flex-start; flex-direction: column; }
  .hours-head { align-items: flex-start; flex-direction: column; }
  .chart-scroll { padding: 16px; }
  .vertical-chart { grid-template-columns: 52px minmax(360px, 1fr); min-height: 300px; }
  .time-lanes { gap: 10px; padding-left: 13px; }
  .time-lane { min-width: 76px; }
  .vertical-track { min-height: 260px; }
}