/* ratnagiriinfo.com · 对齐 OnesProxy 视觉（主色 #0652fb） */
:root {
  --op-blue: #0652fb;
  --op-blue-dark: #0548d4;
  --op-blue-soft: #e8efff;
  --op-navy: #041e39;
  --op-text: #102039;
  --op-muted: #7e9fc5;
  --op-gray: #5a6b85;
  --op-border: #e6edf7;
  --op-bg: #ffffff;
  --op-bg-soft: #f5f8ff;
  --op-radius: 12px;
  --op-shadow: 0 12px 40px rgba(6, 82, 251, 0.12);
  --op-wrap: 1180px;
  --op-header-h: 84px;
  --op-font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.op-body {
  margin: 0;
  font-family: var(--op-font);
  color: var(--op-text);
  background: var(--op-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.op-wrap { width: min(100% - 40px, var(--op-wrap)); margin-inline: auto; }

/* Buttons */
.op-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: background .2s, color .2s, box-shadow .2s, transform .15s;
}
.op-btn--primary { background: var(--op-blue); color: #fff; }
.op-btn--primary:hover { background: var(--op-blue-dark); box-shadow: 0 8px 20px rgba(6, 82, 251, .28); }
.op-btn--ghost { color: var(--op-text); }
.op-btn--ghost:hover { color: var(--op-blue); }
.op-btn--lg { height: 52px; padding: 0 36px; font-size: 16px; border-radius: 12px; }
.op-btn--sm { height: 36px; padding: 0 14px; font-size: 13px; }
.op-btn--block { width: 100%; }

/* Header */
.op-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--op-header-h);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}
.op-header.is-scrolled { border-bottom-color: var(--op-border); box-shadow: 0 4px 20px rgba(4, 30, 57, .04); }
.op-header__inner {
  height: var(--op-header-h);
  display: flex;
  align-items: center;
  gap: 24px;
}
.op-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 22px;
  color: var(--op-navy);
  flex-shrink: 0;
}
.op-logo img { width: 32px; height: 28px; }
.op-nav { margin-left: auto; }
.op-nav > ul { display: flex; align-items: center; gap: 6px; }
.op-nav__link,
.op-nav > ul > li > button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  font-size: 19px;
  font-weight: 600;
  color: var(--op-text);
  border-radius: 8px;
}
.op-nav__link:hover,
.op-nav > ul > li > button:hover { color: var(--op-blue); background: var(--op-blue-soft); }
.op-nav__chev { width: 12px; height: 7px; opacity: .55; }
.op-header__actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
/* 顶栏登录/注册按钮放大 */
.op-header__actions .op-btn--header {
  height: 52px;
  padding: 0 28px;
  font-size: 18px;
  font-weight: 700;
  border-radius: 12px;
}
.op-header__actions .op-btn--ghost.op-btn--header {
  height: 52px;
  padding: 0 20px;
  font-size: 18px;
}
.op-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.op-toggle span { display: block; width: 20px; height: 2px; background: var(--op-navy); border-radius: 2px; }

/* Dropdown */
[data-dropdown] { position: relative; }
.op-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  background: #fff;
  border: 1px solid var(--op-border);
  border-radius: 14px;
  box-shadow: var(--op-shadow);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: .18s ease;
  z-index: 50;
}
[data-dropdown].is-open > .op-dropdown { opacity: 1; visibility: visible; transform: none; }
.op-dropdown--mega { left: 50%; transform: translate(-50%, 6px); min-width: 520px; }
[data-dropdown].is-open > .op-dropdown--mega { transform: translate(-50%, 0); }
.op-dropdown__label {
  margin: 0 0 8px;
  padding: 0 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--op-muted);
  letter-spacing: .04em;
}
.op-dropdown__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.op-dropdown__list { display: flex; flex-direction: column; gap: 2px; }
.op-dropdown__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px;
  border-radius: 10px;
}
.op-dropdown__item:hover { background: var(--op-bg-soft); }
.op-dropdown__item strong { font-size: 14px; color: var(--op-navy); }
.op-dropdown__item span { font-size: 12px; color: var(--op-gray); }

/* Hero */
.op-hero {
  position: relative;
  padding: 56px 0 24px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 40% 50% at 0% 40%, rgba(6, 82, 251, .08), transparent 60%),
    radial-gradient(ellipse 40% 50% at 100% 30%, rgba(6, 82, 251, .07), transparent 60%),
    #fff;
}
.op-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--op-blue-soft);
  color: var(--op-blue);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.op-hero h1 {
  margin: 0 auto 16px;
  max-width: 900px;
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.25;
  color: var(--op-navy);
  font-weight: 800;
}
.op-hero__lead {
  margin: 0 auto 22px;
  max-width: 640px;
  color: var(--op-gray);
  font-size: 16px;
}
.op-hero__checks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 28px;
  margin-bottom: 28px;
  font-size: 14px;
  color: var(--op-text);
  font-weight: 500;
}
.op-hero__checks li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.op-hero__checks li::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--op-blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='2' d='M2.5 6l2.5 2.5 4.5-5'/%3E%3C/svg%3E") center/10px no-repeat;
}
.op-hero__visual {
  margin-top: 40px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(4, 30, 57, .14);
  border: 1px solid var(--op-border);
  background: #0a1f45;
}
.op-hero__visual img { width: 100%; }

/* KPI */
.op-kpi { padding: 56px 0; }
.op-kpi__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}
.op-kpi__num {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  color: var(--op-blue);
  line-height: 1.1;
}
.op-kpi__num span { font-size: .55em; }
.op-kpi__label { margin-top: 8px; color: var(--op-gray); font-size: 15px; }

/* Section commons */
.op-section { padding: 72px 0; }
.op-section--soft { background: var(--op-bg-soft); }
.op-section-head { text-align: center; margin-bottom: 40px; }
.op-section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 34px);
  color: var(--op-navy);
  font-weight: 800;
}
.op-section-head p {
  margin: 0 auto;
  max-width: 680px;
  color: var(--op-gray);
  font-size: 15px;
}

/* Pool features */
.op-pool__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.op-pool__card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius);
  transition: box-shadow .2s, transform .2s;
}
.op-pool__card:hover { box-shadow: var(--op-shadow); transform: translateY(-2px); }
.op-pool__card h3 { margin: 0 0 8px; font-size: 16px; color: var(--op-navy); }
.op-pool__card p { margin: 0; font-size: 13px; color: var(--op-gray); line-height: 1.55; }
.op-pool__icon {
  width: 44px; height: 44px;
  margin-bottom: 14px;
  border-radius: 10px;
  background: var(--op-blue-soft);
  display: grid; place-items: center;
  color: var(--op-blue);
  font-size: 20px;
  font-weight: 700;
}

/* Product cards */
.op-products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.op-product {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--op-border);
  border-radius: 14px;
  transition: border-color .2s, box-shadow .2s;
}
.op-product:hover { border-color: rgba(6, 82, 251, .35); box-shadow: var(--op-shadow); }
.op-product h3 { margin: 0 0 6px; font-size: 18px; color: var(--op-navy); }
.op-product__tag { margin: 0 0 16px; font-size: 13px; color: var(--op-muted); }
.op-product__price {
  margin: 0 0 16px;
  font-size: 28px;
  font-weight: 800;
  color: var(--op-blue);
}
.op-product__price small { font-size: 14px; font-weight: 500; color: var(--op-gray); }
.op-product ul { margin: 0 0 20px; flex: 1; }
.op-product li {
  position: relative;
  padding: 6px 0 6px 20px;
  font-size: 13px;
  color: var(--op-gray);
}
.op-product li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--op-blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='2' d='M2.5 6l2.5 2.5 4.5-5'/%3E%3C/svg%3E") center/8px no-repeat;
}

/* Value / Advantage grids */
.op-value__grid,
.op-adv__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.op-value__card,
.op-adv__card {
  padding: 28px 22px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--op-border);
}
.op-value__card h3,
.op-adv__card h3 { margin: 0 0 10px; font-size: 16px; color: var(--op-navy); }
.op-value__card p,
.op-adv__card p { margin: 0; font-size: 13px; color: var(--op-gray); }

.op-custom {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.op-custom__card {
  padding: 28px;
  border-radius: 14px;
  background: linear-gradient(160deg, #0652fb 0%, #3d7bff 100%);
  color: #fff;
}
.op-custom__card h3 { margin: 0 0 10px; font-size: 18px; }
.op-custom__card p { margin: 0; font-size: 14px; opacity: .9; }

/* Use cases */
.op-usecases__track {
  display: grid;
  grid-template-columns: repeat(5, minmax(220px, 1fr));
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}
.op-usecase {
  scroll-snap-align: start;
  min-width: 220px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--op-border);
  background: #fff;
  display: flex;
  flex-direction: column;
}
.op-usecase__img {
  aspect-ratio: 16/10;
  background: #0a1f45;
  overflow: hidden;
}
.op-usecase__img img { width: 100%; height: 100%; object-fit: cover; }
.op-usecase__body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.op-usecase__body h3 { margin: 0 0 8px; font-size: 16px; color: var(--op-navy); }
.op-usecase__body p { margin: 0 0 14px; font-size: 13px; color: var(--op-gray); flex: 1; }
.op-usecase__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.op-usecase__tags span {
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--op-blue-soft);
  color: var(--op-blue);
  font-size: 11px;
  font-weight: 600;
}

/* Map */
.op-map {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 32px;
  align-items: center;
}
.op-map__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
  text-align: center;
}
.op-map__stats strong {
  display: block;
  font-size: 28px;
  color: var(--op-blue);
  font-weight: 800;
}
.op-map__stats span { font-size: 13px; color: var(--op-gray); }
.op-map__continents {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.op-map__continents li {
  padding: 12px;
  border-radius: 10px;
  background: var(--op-bg-soft);
  text-align: center;
  font-size: 13px;
}
.op-map__continents strong { display: block; color: var(--op-blue); font-size: 16px; }

/* Testimonials */
.op-reviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.op-review {
  padding: 24px;
  border-radius: 14px;
  border: 1px solid var(--op-border);
  background: #fff;
}
.op-review__stars { color: #f5a623; letter-spacing: 2px; margin-bottom: 10px; }
.op-review p { margin: 0 0 14px; font-size: 14px; color: var(--op-gray); }
.op-review__user { font-size: 13px; font-weight: 600; color: var(--op-navy); }

/* FAQ */
.op-faq { max-width: 820px; margin: 0 auto; }
.op-faq__item {
  border: 1px solid var(--op-border);
  border-radius: 12px;
  margin-bottom: 10px;
  background: #fff;
  overflow: hidden;
}
.op-faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 600;
  color: var(--op-navy);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.op-faq__item summary::-webkit-details-marker { display: none; }
.op-faq__item summary::after { content: "+"; color: var(--op-blue); font-size: 20px; line-height: 1; }
.op-faq__item[open] summary::after { content: "−"; }
.op-faq__item p {
  margin: 0;
  padding: 0 20px 18px;
  color: var(--op-gray);
  font-size: 14px;
}

/* CTA band */
.op-cta {
  padding: 64px 0;
  text-align: center;
  background: linear-gradient(135deg, #041e39 0%, #0652fb 100%);
  color: #fff;
}
.op-cta h2 { margin: 0 0 12px; font-size: clamp(22px, 3vw, 32px); }
.op-cta p { margin: 0 auto 24px; max-width: 560px; opacity: .88; }
.op-cta .op-btn--primary { background: #fff; color: var(--op-blue); }
.op-cta .op-btn--primary:hover { background: var(--op-blue-soft); }

/* Mid CTA strip */
.op-mid-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 32px;
  border-radius: 14px;
  background: var(--op-blue-soft);
  border: 1px solid rgba(6, 82, 251, .15);
  margin-top: 40px;
}
.op-mid-cta p { margin: 0; font-weight: 600; color: var(--op-navy); }

/* Footer */
.op-footer {
  padding: 56px 0 28px;
  background: #0a1628;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
}
.op-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 28px;
  margin-bottom: 36px;
}
.op-footer .op-logo { color: #fff; margin-bottom: 12px; }
.op-footer__brand p { margin: 0 0 8px; line-height: 1.55; }
.op-footer__contact a { color: #9ec0ff; }
.op-footer__col h3 {
  margin: 0 0 14px;
  font-size: 14px;
  color: #fff;
  font-weight: 600;
}
.op-footer__col a {
  display: block;
  padding: 5px 0;
  color: rgba(255, 255, 255, .65);
}
.op-footer__col a:hover { color: #fff; }
.op-footer__bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, .45);
}
.op-footer__addr { margin: 0; }

/* ========== Pricing page ========== */
.op-pricing-hero {
  padding: 40px 0 20px;
  text-align: center;
  background: linear-gradient(180deg, #f5f8ff 0%, #fff 100%);
}
.op-pricing-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 3.5vw, 36px);
  color: var(--op-navy);
  font-weight: 800;
}
.op-pricing-hero__lead { margin: 0 auto 16px; max-width: 640px; color: var(--op-gray); }
.op-pricing-hero__checks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 24px;
  font-size: 13px;
  color: var(--op-text);
  font-weight: 500;
}
.op-pricing-hero__checks li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.op-pricing-hero__checks li::before {
  content: "✓";
  color: var(--op-blue);
  font-weight: 700;
}

.op-product-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 28px 0 0;
}
.op-product-tabs__btn {
  padding: 16px 12px;
  border-radius: 12px;
  border: 1px solid var(--op-border);
  background: #fff;
  text-align: left;
  transition: border-color .2s, box-shadow .2s;
}
.op-product-tabs__btn strong { display: block; font-size: 14px; color: var(--op-navy); margin-bottom: 4px; }
.op-product-tabs__btn span { font-size: 13px; color: var(--op-blue); font-weight: 700; }
.op-product-tabs__btn.is-active {
  border-color: var(--op-blue);
  box-shadow: 0 0 0 3px rgba(6, 82, 251, .12);
  background: #fff;
}

.op-buy {
  display: grid;
  grid-template-columns: 1.55fr .85fr;
  gap: 24px;
  padding: 32px 0 56px;
  align-items: start;
}
.op-buy__main { min-width: 0; }
.op-buy__panel {
  padding: 28px;
  border: 1px solid var(--op-border);
  border-radius: 16px;
  background: #fff;
}
.op-buy__panel h2 {
  margin: 0 0 20px;
  font-size: 20px;
  color: var(--op-navy);
}
.op-buy__field { margin-bottom: 22px; }
.op-buy__field > label {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--op-navy);
}
.op-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.op-seg__btn {
  position: relative;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--op-border);
  background: #fff;
  font-size: 13px;
  font-weight: 500;
  color: var(--op-text);
}
.op-seg__btn small {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: var(--op-gray);
  font-weight: 400;
}
.op-seg__btn.is-active {
  border-color: var(--op-blue);
  color: var(--op-blue);
  background: var(--op-blue-soft);
}
.op-seg__badge {
  position: absolute;
  top: -8px;
  right: -6px;
  padding: 1px 6px;
  border-radius: 6px;
  background: #ff4d4f;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}

.op-packages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.op-package {
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--op-border);
  background: #fff;
  text-align: left;
  position: relative;
}
.op-package.is-active { border-color: var(--op-blue); background: var(--op-blue-soft); }
.op-package__tag {
  position: absolute;
  top: 0;
  right: 0;
  padding: 2px 8px;
  border-radius: 0 12px 0 8px;
  background: #ff7a45;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}
.op-package strong { display: block; font-size: 15px; color: var(--op-navy); }
.op-package span { font-size: 12px; color: var(--op-gray); }
.op-package em { display: block; margin-top: 6px; font-style: normal; color: var(--op-blue); font-weight: 700; font-size: 13px; }
.op-package--custom {
  grid-column: 1 / -1;
  text-align: center;
  background: var(--op-blue);
  border-color: var(--op-blue);
  color: #fff;
}
.op-package--custom strong,
.op-package--custom span { color: #fff; }

.op-regions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.op-regions button {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--op-border);
  font-size: 13px;
  color: var(--op-text);
}
.op-regions button.is-active {
  background: var(--op-blue);
  border-color: var(--op-blue);
  color: #fff;
}

.op-order {
  position: sticky;
  top: calc(var(--op-header-h) + 16px);
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--op-border);
  background: #fff;
  box-shadow: var(--op-shadow);
}
.op-order h3 { margin: 0 0 16px; font-size: 18px; color: var(--op-navy); }
.op-order__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  font-size: 13px;
  border-bottom: 1px dashed var(--op-border);
}
.op-order__row span:first-child { color: var(--op-gray); }
.op-order__row span:last-child { font-weight: 600; color: var(--op-navy); }
.op-order__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 18px 0;
  font-size: 15px;
  font-weight: 600;
}
.op-order__total strong {
  font-size: 28px;
  color: var(--op-blue);
}

.op-features {
  padding: 56px 0;
  background: var(--op-bg-soft);
}
.op-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.op-feature {
  padding: 22px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--op-border);
}
.op-feature h3 { margin: 0 0 8px; font-size: 15px; color: var(--op-navy); }
.op-feature p { margin: 0; font-size: 13px; color: var(--op-gray); }

.op-panel[hidden] { display: none !important; }

/* ========== 关于我们 / 合作伙伴 ========== */
.op-page-hero {
  padding: 56px 0 48px;
  background: linear-gradient(135deg, #041e39 0%, #0a2d6b 55%, #0652fb 120%);
  color: #fff;
}
.op-page-hero__grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: center;
}
.op-bc {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
}
.op-bc a { color: rgba(255, 255, 255, .75); }
.op-bc a:hover { color: #fff; }
.op-page-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
}
.op-page-hero__eyebrow {
  margin: 0 0 8px;
  font-size: 15px;
  color: rgba(255, 255, 255, .65);
  font-weight: 500;
}
.op-page-hero__lead {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .82);
  max-width: 560px;
}
.op-page-hero__visual {
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  min-height: 240px;
  display: grid;
  place-items: center;
  padding: 24px;
}
.op-page-hero__visual img { max-height: 280px; width: auto; }

.op-diff__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.op-diff__card {
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--op-border);
  border-radius: 14px;
  transition: box-shadow .2s, transform .2s;
}
.op-diff__card:hover { box-shadow: var(--op-shadow); transform: translateY(-2px); }
.op-diff__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: var(--op-blue-soft);
  color: var(--op-blue);
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 700;
}
.op-diff__card h3 { margin: 0 0 10px; font-size: 18px; color: var(--op-navy); }
.op-diff__card p { margin: 0; font-size: 14px; color: var(--op-gray); line-height: 1.65; }

.op-contact-block {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
  align-items: start;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--op-border);
  border-radius: 16px;
}
.op-contact-block h2 { margin: 0 0 16px; font-size: 24px; color: var(--op-navy); }
.op-contact-block ul { margin: 0; }
.op-contact-block li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--op-border);
  font-size: 14px;
  color: var(--op-gray);
  line-height: 1.55;
}
.op-contact-block li:last-child { border-bottom: none; }
.op-contact-block a { color: var(--op-blue); font-weight: 600; }
/* 联系区主按钮保持白字，避免被上方 a 选择器盖成蓝底蓝字 */
.op-contact-block a.op-btn--primary { color: #fff; }
.op-contact-block a.op-btn--primary:hover { color: #fff; }
.op-contact-block__cta {
  padding: 24px;
  border-radius: 14px;
  background: var(--op-bg-soft);
  text-align: center;
}
.op-contact-block__cta p { margin: 0 0 16px; color: var(--op-navy); font-weight: 600; }

.op-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.op-step {
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--op-border);
  border-radius: 14px;
}
.op-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: var(--op-blue);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
}
.op-step h3 { margin: 0 0 8px; font-size: 17px; color: var(--op-navy); }
.op-step p { margin: 0; font-size: 14px; color: var(--op-gray); line-height: 1.6; }

.op-partner-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.op-partner-card {
  padding: 32px 28px;
  border-radius: 16px;
  border: 1px solid var(--op-border);
  background: #fff;
  display: flex;
  flex-direction: column;
}
.op-partner-card--accent {
  background: linear-gradient(160deg, #0652fb 0%, #3d7bff 100%);
  border-color: transparent;
  color: #fff;
}
.op-partner-card h2 { margin: 0 0 12px; font-size: 22px; color: var(--op-navy); }
.op-partner-card--accent h2 { color: #fff; }
.op-partner-card > p { margin: 0 0 20px; font-size: 14px; color: var(--op-gray); line-height: 1.65; flex: 1; }
.op-partner-card--accent > p { color: rgba(255, 255, 255, .9); }
.op-partner-card__list {
  margin: 0 0 24px;
  display: grid;
  gap: 10px;
}
.op-partner-card__list li {
  padding-left: 22px;
  position: relative;
  font-size: 14px;
  color: rgba(255, 255, 255, .95);
}
.op-partner-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  font-weight: 700;
}
.op-partner-card .op-btn--primary {
  align-self: flex-start;
}
.op-partner-card--accent .op-btn--primary {
  background: #fff;
  color: var(--op-blue);
}

/* ========== 博客列表 / 详情 ========== */
.op-page-hero--simple {
  text-align: left;
  padding: 48px 0 40px;
}
.op-page-hero--simple .op-page-hero__lead {
  max-width: 720px;
}
.op-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.op-blog-grid--home {
  grid-template-columns: 1fr;
  max-width: 720px;
  margin: 0 auto;
}
.op-blog-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--op-border);
  border-radius: 14px;
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
}
.op-blog-card:hover {
  box-shadow: var(--op-shadow);
  transform: translateY(-2px);
}
.op-blog-card__cover {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--op-bg-soft);
}
.op-blog-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.op-blog-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.op-blog-card__body time {
  font-size: 12px;
  color: var(--op-muted);
  margin-bottom: 8px;
}
.op-blog-card__body h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--op-navy);
}
.op-blog-card__body h3 a:hover { color: var(--op-blue); }
.op-blog-card__body p {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--op-gray);
  line-height: 1.6;
  flex: 1;
}
.op-blog-card__more {
  font-size: 14px;
  font-weight: 600;
  color: var(--op-blue);
}

.op-article { max-width: 780px; margin: 0 auto; }
.op-article__cover {
  margin: 0 0 28px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--op-border);
}
.op-article__cover img { width: 100%; height: auto; }
.op-article__body h2 {
  margin: 28px 0 12px;
  font-size: 22px;
  color: var(--op-navy);
}
.op-article__body p {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--op-gray);
  line-height: 1.75;
}
.op-article__body ul {
  margin: 0 0 16px;
  padding-left: 1.2em;
  list-style: disc;
}
.op-article__body li {
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--op-gray);
  line-height: 1.7;
}
.op-article__body a { color: var(--op-blue); font-weight: 600; }
.op-article__back {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--op-border);
}

/* 首页：动态 vs 静态对比 */
.op-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 920px;
  margin: 0 auto;
}
.op-compare__col {
  padding: 28px 24px;
  border-radius: 16px;
  border: 1px solid var(--op-border);
  background: #fff;
  display: flex;
  flex-direction: column;
}
.op-compare__col--accent {
  border-color: rgba(6, 82, 251, .35);
  background: linear-gradient(180deg, #f5f8ff 0%, #fff 55%);
  box-shadow: var(--op-shadow);
}
.op-compare__col h3 {
  margin: 0 0 16px;
  font-size: 20px;
  color: var(--op-navy);
}
.op-compare__col ul { margin: 0 0 20px; flex: 1; }
.op-compare__col li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--op-border);
  font-size: 14px;
  color: var(--op-gray);
  line-height: 1.55;
}
.op-compare__col li:last-child { border-bottom: none; }
.op-compare__col .op-btn { align-self: flex-start; }
.op-compare__note {
  margin: 24px auto 0;
  max-width: 920px;
  text-align: center;
  font-size: 14px;
  color: var(--op-gray);
}
.op-compare__note a { color: var(--op-blue); font-weight: 600; }

@media (max-width: 1024px) {
  .op-page-hero__grid,
  .op-contact-block,
  .op-partner-split,
  .op-compare { grid-template-columns: 1fr; }
  .op-diff__grid,
  .op-steps { grid-template-columns: 1fr; }
  .op-page-hero__visual { min-height: 180px; }
  .op-blog-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .op-blog-grid { grid-template-columns: 1fr; }
}

/* Responsive */
@media (max-width: 1024px) {
  .op-products__grid,
  .op-pool__grid,
  .op-value__grid,
  .op-adv__grid { grid-template-columns: repeat(2, 1fr); }
  .op-map { grid-template-columns: 1fr; }
  .op-buy { grid-template-columns: 1fr; }
  .op-order { position: static; }
  .op-product-tabs { grid-template-columns: repeat(2, 1fr); }
  .op-footer__grid { grid-template-columns: 1fr 1fr; }
  .op-features__grid { grid-template-columns: 1fr 1fr; }
  .op-custom { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .op-toggle { display: inline-flex; margin-left: auto; }
  .op-nav {
    position: fixed;
    inset: var(--op-header-h) 0 auto 0;
    background: #fff;
    border-bottom: 1px solid var(--op-border);
    padding: 12px 20px 20px;
    display: none;
    max-height: calc(100vh - var(--op-header-h));
    overflow: auto;
  }
  .op-nav.open { display: block; }
  .op-nav > ul { flex-direction: column; align-items: stretch; }
  .op-dropdown,
  .op-dropdown--mega {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    box-shadow: none;
    border: none;
    min-width: 0;
    padding: 0 0 0 8px;
  }
  [data-dropdown].is-open > .op-dropdown { display: block; }
  .op-dropdown__grid { grid-template-columns: 1fr; }
  .op-header__actions .op-btn--ghost { display: none; }
  .op-kpi__grid { grid-template-columns: 1fr; gap: 28px; }
  .op-reviews__grid { grid-template-columns: 1fr; }
  .op-mid-cta { flex-direction: column; text-align: center; }
}
@media (max-width: 640px) {
  .op-products__grid,
  .op-pool__grid,
  .op-value__grid,
  .op-adv__grid,
  .op-packages,
  .op-product-tabs,
  .op-features__grid,
  .op-footer__grid { grid-template-columns: 1fr; }
  .op-map__stats,
  .op-map__continents { grid-template-columns: 1fr 1fr; }
}