:root {
  --primary: #4f46e5;
  --primary-2: #2563eb;
  --dark: #0f172a;
  --text: #111827;
  --muted: #64748b;
  --line: rgba(148, 163, 184, 0.24);
  --card: rgba(255, 255, 255, 0.78);
  --orange: #f97316;
  --green: #22c55e;
  --bg: #f8fafc;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.10);
}
* { box-sizing: border-box; max-width: 100%; }
[hidden] { display: none !important; }
html, body { max-width: 100%; overflow-x: hidden; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: radial-gradient(circle at 18% 0%, rgba(79,70,229,.12), transparent 28%), radial-gradient(circle at 82% 12%, rgba(37,99,235,.12), transparent 26%), var(--bg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.86); border-bottom: 1px solid var(--line); box-shadow: 0 8px 28px rgba(15,23,42,.05); backdrop-filter: blur(16px); }
.header-inner { display: flex; min-height: 62px; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; min-width: 0; align-items: center; gap: 10px; font-weight: 900; white-space: nowrap; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; color: #fff; background: linear-gradient(135deg,var(--primary),var(--primary-2)); border-radius: 10px; }
.site-nav { display: flex; align-items: center; gap: 16px; color: var(--muted); font-size: 14px; font-weight: 800; }
.site-nav a.is-active, .site-nav a:hover { color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-link { color: var(--muted); font-size: 14px; font-weight: 800; }
.nav-actions { position: relative; }
.nav-auth { padding: 8px 13px; color: #fff; background: linear-gradient(135deg,var(--primary),var(--primary-2)); border: 0; border-radius: 999px; font-size: 14px; font-weight: 900; cursor: pointer; }
.user-menu { position: absolute; top: calc(100% + 8px); right: 0; z-index: 90; display: grid; min-width: 140px; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
.user-menu button { padding: 9px 10px; color: var(--dark); background: transparent; border: 0; border-radius: 8px; cursor: pointer; text-align: left; font-weight: 800; }
.user-menu button:hover { background: #f8fafc; color: var(--primary); }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 9px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--primary); border-radius: 999px; }
.hero { padding: 24px 0 18px; }
.hero-card { display: grid; grid-template-columns: 1.05fr .95fr; gap: 26px; align-items: center; min-height: 520px; padding: 36px; color: #fff; background: radial-gradient(circle at 78% 22%, rgba(96,165,250,.30), transparent 28%), linear-gradient(135deg, #101827, #1e1b4b 48%, #243b88); border: 1px solid rgba(255,255,255,.12); border-radius: 28px; box-shadow: var(--shadow); }
.hero-pill { display: inline-flex; gap: 8px; margin: 0 0 12px; padding: 7px 11px; color: #dbeafe; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.14); border-radius: 999px; font-size: 13px; font-weight: 900; }
.hero-pill span { color: #93c5fd; }
h1,h2,h3,p { margin-top: 0; }
h1 { margin-bottom: 14px; font-size: clamp(38px, 5vw, 56px); line-height: 1.06; font-weight: 900; }
h1 span { background: linear-gradient(135deg,#93c5fd,#c4b5fd); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-subtitle { max-width: 640px; margin-bottom: 18px; color: #cbd5e1; font-size: 17px; }
.hero-benefits { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 18px; }
.hero-benefits span { display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; color: #e2e8f0; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.12); border-radius: 13px; font-size: 13px; font-weight: 800; }
.hero-benefits i { width: 8px; height: 8px; background: var(--green); border-radius: 999px; }
.hero-actions { display: flex; gap: 12px; }
.btn { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 10px 18px; border: 1px solid transparent; border-radius: 12px; cursor: pointer; font-weight: 900; }
.btn:disabled,.buy-btn:disabled { cursor: not-allowed; opacity: .7; }
.btn-primary { color: #fff; background: linear-gradient(135deg,var(--primary),var(--primary-2)); box-shadow: 0 12px 28px rgba(37,99,235,.24); }
.btn-outline { color: #dbeafe; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.20); }
.hero-panel { padding: 20px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.10); border-radius: 24px; box-shadow: 0 24px 60px rgba(0,0,0,.14); backdrop-filter: blur(16px); }
.panel-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.panel-head strong,.panel-kicker { display: block; }
.panel-kicker { color: #93c5fd; font-size: 12px; font-weight: 900; text-transform: uppercase; }
.panel-head em { height: fit-content; padding: 5px 9px; color: #bbf7d0; background: rgba(34,197,94,.14); border-radius: 999px; font-size: 12px; font-style: normal; font-weight: 900; }
.delivery-flow { display: grid; gap: 10px; }
.delivery-flow article { position: relative; display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 12px; background: rgba(255,255,255,.075); border-radius: 16px; }
.delivery-flow article:not(:last-child)::after { content: ""; position: absolute; left: 28px; bottom: -10px; width: 1px; height: 10px; background: rgba(147,197,253,.36); }
.delivery-flow span { display: grid; width: 30px; height: 30px; place-items: center; color: #fff; background: linear-gradient(135deg,#60a5fa,var(--primary)); border-radius: 999px; font-size: 13px; font-weight: 900; }
.delivery-flow strong { display: block; margin-bottom: 3px; color: #fff; font-size: 15px; }
.delivery-flow p { margin: 0; color: #cbd5e1; font-size: 13px; line-height: 1.45; }
.flow-note { margin: 12px 0 0; padding: 10px 12px; color: #dbeafe; background: rgba(37,99,235,.14); border-radius: 14px; font-size: 13px; line-height: 1.45; }
.notice-list { display: grid; gap: 9px; margin: 0; padding-left: 20px; color: #e2e8f0; font-size: 13px; line-height: 1.5; }
.dot { width: 8px; height: 8px; border-radius: 999px; }
.dot.blue { background: #60a5fa; } .dot.green { background: var(--green); } .dot.orange { background: #f59e0b; }
.section { padding: 34px 0; }
.products-section { padding-top: 18px; }
.product-shell { padding: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.section-top { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 14px; }
.section-top.compact { margin-bottom: 12px; }
.eyebrow { margin: 0 0 5px; color: var(--primary); font-size: 12px; font-weight: 900; text-transform: uppercase; }
h2 { margin-bottom: 5px; color: var(--dark); font-size: 28px; }
.section-top p:not(.eyebrow) { margin-bottom: 0; color: var(--muted); }
.sort-select,.country-search,.country-select { min-height: 40px; padding: 0 12px; color: var(--text); background: #fff; border: 1px solid var(--line); border-radius: 12px; outline: none; }
.filter-bar { display: grid; grid-template-columns: minmax(0,1fr) 260px 160px; gap: 10px; margin-bottom: 10px; }
.type-tabs,.hot-countries { display: flex; gap: 8px; overflow-x: auto; white-space: nowrap; }
.type-tabs button,.hot-countries button { flex: 0 0 auto; min-height: 34px; padding: 7px 12px; color: var(--primary); background: #fff; border: 1px solid rgba(79,70,229,.16); border-radius: 999px; cursor: pointer; font-weight: 900; }
.type-tabs button.is-active,.hot-countries button.is-active { color: #fff; background: linear-gradient(135deg,var(--primary),var(--primary-2)); }
.hot-countries { margin-bottom: 12px; }
.hot-countries button { min-height: 30px; color: var(--muted); font-size: 13px; }
.product-scroll { display: grid; max-height: 430px; overflow-y: auto; gap: 10px; padding-right: 4px; }
.product-item { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; min-height: 86px; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 8px 22px rgba(15,23,42,.04); }
.product-main { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 12px; align-items: center; min-width: 0; }
.product-icon { display: grid; width: 42px; height: 42px; place-items: center; color: #fff; background: linear-gradient(135deg,var(--primary),var(--primary-2)); border-radius: 14px; font-weight: 900; }
.product-info { min-width: 0; }
.product-info h3 { overflow: hidden; margin: 0 0 6px; color: var(--dark); text-overflow: ellipsis; white-space: nowrap; font-size: 16px; }
.product-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.product-meta span,.product-meta strong { padding: 3px 8px; color: var(--muted); background: #f8fafc; border: 1px solid #eef2f7; border-radius: 999px; font-size: 12px; font-weight: 800; }
.product-meta .auto { color: #15803d; background: #ecfdf5; }
.product-meta .promo { color: #b45309; background: #fffbeb; border-color: #fde68a; }
.product-side { display: flex; align-items: center; gap: 12px; }
.price { color: var(--orange); font-size: 18px; font-weight: 900; white-space: nowrap; }
.buy-btn { display: inline-flex; min-width: 92px; min-height: 40px; align-items: center; justify-content: center; color: #fff; background: linear-gradient(135deg,var(--primary),var(--primary-2)); border: 0; border-radius: 12px; font-weight: 900; cursor: pointer; }
.buy-btn.is-disabled { cursor: not-allowed; background: #cbd5e1; }
.empty-state { display: none; padding: 22px; color: var(--muted); background: #fff; border: 1px dashed var(--line); border-radius: 16px; text-align: center; }
.flow-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; }
.flow-grid div,.guide-card,.record-card,.after-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 10px 30px rgba(15,23,42,.05); }
.flow-grid div { padding: 14px; }
.flow-grid span { display: grid; width: 28px; height: 28px; margin-bottom: 10px; place-items: center; color: #fff; background: linear-gradient(135deg,var(--primary),var(--primary-2)); border-radius: 999px; font-weight: 900; }
.flow-grid strong { font-size: 14px; }
.guide-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.guide-card { display: grid; gap: 6px; padding: 16px; color: var(--dark); font-weight: 900; }
.guide-card span { color: var(--muted); font-size: 13px; }
.guide-detail { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; padding: 14px; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.guide-detail p { margin: 5px 0 0; }
.guide-support-action { flex: 0 0 auto; min-width: 88px; }
.tutorial-card { cursor: pointer; text-align: left; }
.tutorial-card strong { color: var(--dark); font-size: 15px; }
.tutorial-card em,.tutorial-card b { color: var(--primary); font-size: 12px; font-style: normal; font-weight: 900; }
.tutorial-icon { display: grid; width: 34px; height: 34px; place-items: center; color: #fff !important; background: linear-gradient(135deg,var(--primary),var(--primary-2)); border-radius: 12px; font-size: 12px !important; }
.record-card { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px; }
.record-card p { margin-bottom: 0; color: var(--muted); }
.after-card { padding: 18px; }
.after-card ul { display: grid; gap: 5px; margin: 0; padding-left: 18px; color: var(--muted); }
.api-test-section { padding-top: 18px; }
.api-test-shell { padding: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.api-test-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: 16px; align-items: stretch; }
.api-controls { display: grid; gap: 14px; }
.api-button-row { display: flex; flex-wrap: wrap; gap: 10px; }
.api-test-shell .btn-outline { color: var(--primary); background: #fff; border-color: rgba(79,70,229,.22); }
.api-action:disabled { cursor: wait; opacity: .68; }
.api-form-grid { display: grid; gap: 10px; }
.api-field,.api-trade-box { display: grid; gap: 7px; color: var(--dark); font-weight: 900; }
.api-field span,.api-trade-box span { font-size: 13px; }
.api-field div { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; }
.api-field input,.api-trade-box textarea { width: 100%; padding: 10px 12px; color: var(--text); background: #fff; border: 1px solid var(--line); border-radius: 12px; outline: none; }
.api-trade-box textarea { min-height: 160px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; font-size: 13px; line-height: 1.55; }
.api-result-panel { display: grid; grid-template-rows: auto 1fr; min-height: 420px; overflow: hidden; background: #0f172a; border: 1px solid rgba(15,23,42,.12); border-radius: 18px; box-shadow: 0 10px 30px rgba(15,23,42,.08); }
.api-result-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; color: #e2e8f0; background: rgba(255,255,255,.06); border-bottom: 1px solid rgba(255,255,255,.08); }
.api-result-head span { color: #93c5fd; font-size: 12px; font-weight: 900; }
.api-result-panel pre { min-height: 0; margin: 0; padding: 14px; overflow: auto; color: #dbeafe; font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; font-size: 13px; line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
.site-footer { padding: 28px 0; color: #cbd5e1; background: #0f172a; }
.footer-shell { display: grid; grid-template-columns: 1fr 1.6fr; gap: 22px; align-items: start; }
.footer-brand strong { display: block; color: #fff; font-size: 18px; }
.footer-brand p { margin: 6px 0 10px; }
.footer-brand a { color: #fff; font-weight: 900; }
.footer-info-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.footer-info-grid div { padding: 12px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; }
.footer-info-grid strong { display: block; margin-bottom: 4px; color: #fff; }
.footer-info-grid span { color: #cbd5e1; font-size: 13px; }
.footer-compact { display: flex; justify-content: space-between; gap: 16px; }
.footer-compact p { margin: 0; }
.footer-compact a { color: #fff; font-weight: 900; }
.modal-open { overflow: hidden; }
.site-modal { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 18px; }
.site-modal.is-open { display: flex; }
.site-modal-backdrop { position: absolute; inset: 0; background: rgba(15,23,42,.58); backdrop-filter: blur(8px); }
.site-modal-panel { position: relative; width: min(620px, 100%); max-height: min(86vh, 720px); overflow: auto; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 24px 70px rgba(15,23,42,.26); }
.site-modal-close { position: absolute; top: 10px; right: 10px; display: grid; width: 34px; height: 34px; place-items: center; color: var(--muted); background: #f8fafc; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; font-size: 22px; line-height: 1; }
.modal-product h2,.modal-tutorial h2 { padding-right: 34px; }
.modal-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
.modal-meta span { padding: 5px 9px; color: var(--primary); background: #eef2ff; border-radius: 999px; font-size: 12px; font-weight: 900; }
.modal-note { margin-top: 14px; padding: 12px; color: var(--muted); background: #f8fafc; border: 1px solid #eef2f7; border-radius: 14px; }
.modal-note strong { display: block; margin-bottom: 4px; color: var(--dark); }
.modal-note p { margin-bottom: 0; }
.modal-note small { display: block; margin-top: 8px; color: var(--primary); font-weight: 900; }
.modal-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.modal-outline { color: var(--primary); background: #fff; border-color: rgba(79,70,229,.22); }
.modal-tutorial ol { display: grid; gap: 8px; margin: 14px 0 0; padding-left: 22px; color: var(--muted); }
.modal-tutorial a,.guide-detail a { color: var(--primary); font-weight: 900; }
.guide-detail .guide-support-action { color: #fff; }
.tutorial-resource { margin: 14px 0 0; }
.tutorial-notice { margin: 14px 0 0; padding: 11px 12px; color: #92400e; background: #fffbeb; border: 1px solid #fde68a; border-radius: 12px; }
.auth-box,.notice-box,.order-confirm { display: grid; gap: 12px; }
.profile-box { display: grid; gap: 14px; }
.profile-card { display: grid; overflow: hidden; background: #f8fafc; border: 1px solid #e0e7ff; border-radius: 16px; }
.profile-card div { display: grid; grid-template-columns: 110px minmax(0,1fr); gap: 12px; padding: 13px 14px; }
.profile-card div + div { border-top: 1px solid #e2e8f0; }
.profile-card span { color: var(--muted); font-weight: 800; }
.profile-card strong { color: var(--dark); word-break: break-word; }
.profile-card .status-normal { color: #15803d; }
.profile-actions .btn { flex: 1 1 150px; }
.auth-box label { display: grid; gap: 6px; color: var(--dark); font-weight: 900; }
.auth-box input,.orders-filter input,.orders-filter select,.quantity-control input { width: 100%; min-height: 40px; padding: 9px 11px; color: var(--text); background: #fff; border: 1px solid var(--line); border-radius: 10px; outline: none; }
.captcha-row { display: grid; grid-template-columns: minmax(0,1fr) 120px; gap: 8px; }
.captcha-canvas { display: block; width: 120px; height: 44px; max-width: 100%; background: #eef2ff; border: 1px solid rgba(79,70,229,.25); border-radius: 10px; cursor: pointer; }
.captcha-canvas:hover { border-color: rgba(79,70,229,.55); box-shadow: 0 4px 14px rgba(79,70,229,.12); }
.captcha-canvas:focus-visible { outline: 2px solid rgba(79,70,229,.35); outline-offset: 2px; }
.remember-row { display: flex !important; grid-template-columns: none !important; align-items: center; gap: 8px !important; color: var(--muted) !important; font-size: 13px; }
.remember-row input { width: auto; min-height: auto; }
.auth-error { min-height: 20px; color: #dc2626; font-size: 13px; font-weight: 800; }
.auth-links { display: flex; justify-content: space-between; gap: 8px; }
.auth-links button { color: var(--primary); background: transparent; border: 0; cursor: pointer; font-weight: 900; }
.form-message,.support-line { margin: 0; color: var(--muted); }
.quantity-box { display: grid; gap: 10px; margin-top: 14px; padding: 12px; background: #f8fafc; border: 1px solid #eef2f7; border-radius: 14px; }
.quantity-control { display: flex; align-items: center; gap: 8px; }
.quantity-control button { display: grid; width: 34px; height: 34px; place-items: center; color: var(--primary); background: #fff; border: 1px solid rgba(79,70,229,.22); border-radius: 10px; cursor: pointer; font-weight: 900; }
.quantity-control input { width: 74px; text-align: center; }
.price-summary { display: flex; flex-wrap: wrap; gap: 8px; }
.price-summary span { padding: 5px 8px; color: var(--muted); background: #fff; border: 1px solid #eef2f7; border-radius: 999px; font-size: 13px; font-weight: 800; }
.order-confirm dl { display: grid; gap: 8px; margin: 0; }
.order-confirm dl div { display: grid; grid-template-columns: 92px 1fr; gap: 10px; padding-bottom: 8px; border-bottom: 1px solid #eef2f7; }
.order-confirm dt { color: var(--muted); font-weight: 900; }
.order-confirm dd { margin: 0; color: var(--dark); font-weight: 800; word-break: break-word; }
.orders-main { min-height: 68vh; }
.orders-shell { padding: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.orders-shell h1 { margin: 0; color: var(--dark); font-size: 34px; }
.orders-back { color: var(--primary); background: #fff; border-color: rgba(79,70,229,.22); }
.orders-filter { display: grid; grid-template-columns: minmax(180px,1fr) 150px 160px 160px auto; gap: 10px; margin-bottom: 14px; }
.orders-list { display: grid; gap: 12px; }
.orders-empty { display: block; }
.order-card { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.order-card div { display: grid; gap: 3px; }
.order-card strong { color: var(--muted); font-size: 12px; }
.order-card span { color: var(--dark); font-weight: 800; }
.order-message,.order-secret { grid-column: 1 / -1; }
.order-secret pre { min-height: 120px; padding: 12px; overflow: auto; color: var(--text); background: #f8fafc; border: 1px solid #eef2f7; border-radius: 12px; white-space: pre-wrap; word-break: break-word; }
@media (max-width: 960px) { .nav-actions { display: none; } .hero-card,.filter-bar,.flow-grid,.guide-grid,.api-test-grid,.footer-shell,.footer-info-grid,.orders-filter { grid-template-columns: 1fr; } .hero-panel { max-width: 560px; } }
@media (max-width: 768px) {
  .container { width: min(100% - 24px, 1180px); }
  .header-inner { min-height: 58px; }
  .brand span:last-child { overflow: hidden; max-width: 180px; text-overflow: ellipsis; white-space: nowrap; }
  .menu-toggle { display: block; }
  .site-nav { position: absolute; top: 58px; right: 12px; left: 12px; z-index: 80; display: none; padding: 10px; flex-direction: column; align-items: stretch; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 10px; border-radius: 10px; }
  .hero { padding: 12px 0; }
  .hero-card { min-height: auto; padding: 24px 18px; border-radius: 22px; }
  h1 { font-size: 34px; line-height: 1.14; }
  .hero-subtitle { font-size: 15px; }
  .hero-benefits { display: grid; grid-template-columns: repeat(2,1fr); }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .product-shell { padding: 14px; }
  .section-top,.record-card,.footer-compact { display: grid; grid-template-columns: 1fr; }
  .product-scroll { max-height: 520px; }
  .product-item { grid-template-columns: 1fr; }
  .product-main { grid-template-columns: 1fr; }
  .product-icon { display: none; }
  .product-info h3 { display: -webkit-box; overflow: hidden; white-space: normal; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .product-side { justify-content: space-between; }
  .buy-btn { min-width: 108px; }
  .api-field div { grid-template-columns: 1fr; }
  .api-button-row .btn,.api-trade-box .btn { width: 100%; }
  .api-result-panel { min-height: 340px; }
  .section { padding: 30px 0; }
  .guide-detail { align-items: stretch; flex-direction: column; }
  .guide-support-action { width: 100%; }
  .profile-card div { grid-template-columns: 90px minmax(0,1fr); }
}
@media (max-width: 480px) {
  .container { width: min(100% - 20px, 1180px); }
  .brand { font-size: 14px; }
  h1 { font-size: 31px; }
  .hero-benefits span { padding: 7px 9px; font-size: 12.5px; }
}