/* ihuo.net · 对齐 1024proxy 视觉，命名空间 fp-* */
:root {
  --fp-bg: #f5f8ff;
  --fp-surface: #ffffff;
  --fp-ink: #101828;
  --fp-muted: #4b5c76;
  --fp-line: #eaeaea;
  --fp-primary: #4f46e5;
  --fp-primary-2: #006bff;
  --fp-primary-deep: #291ed8;
  --fp-accent: #8062ef;
  --fp-danger: #f7366b;
  --fp-ok: #16a34a;
  --fp-dark: #0a1437;
  --fp-radius: 16px;
  --fp-radius-pill: 999px;
  --fp-shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
  --fp-max: 1200px;
  --fp-font: "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.fp-body {
  margin: 0;
  font-family: var(--fp-font);
  color: var(--fp-ink);
  background: var(--fp-surface);
  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: inherit; cursor: pointer; background: none; border: 0; color: inherit; }

.fp-wrap {
  width: min(100% - 32px, var(--fp-max));
  margin-inline: auto;
}

/* Buttons */
.fp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--fp-radius-pill);
  padding: 12px 24px;
  font-weight: 600;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.fp-btn--sm { padding: 8px 18px; font-size: 14px; }
.fp-btn--primary {
  background: linear-gradient(90deg, var(--fp-primary), var(--fp-primary-2));
  color: #fff;
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.28);
}
.fp-btn--primary:hover { transform: translateY(-1px); }
.fp-btn--ghost {
  border: 1px solid var(--fp-primary-2);
  color: var(--fp-primary-2);
  background: #fff;
}
.fp-btn--ghost:hover { background: #f2f7ff; }
.fp-btn--wide { min-width: 240px; padding: 14px 36px; font-size: 16px; }

/* Header */
.fp-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}
.fp-header.is-scrolled { border-bottom-color: var(--fp-line); box-shadow: 0 4px 16px rgba(16,24,40,.04); }
.fp-header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 80px;
}
.fp-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .02em;
  flex-shrink: 0;
}
.fp-logo img { width: 32px; height: 28px; }
.fp-nav { margin-left: 12px; flex: 1; }
.fp-nav > ul { display: flex; align-items: center; gap: 6px; }
.fp-nav > ul > li { position: relative; }
.fp-nav > ul > li > button,
.fp-nav > ul > li > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 22px;
}
.fp-nav > ul > li > button:hover,
.fp-nav > ul > li > a:hover { background: #f2f7ff; }
.fp-nav__chev { width: 11px; height: 7px; opacity: .7; }
.fp-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 6px;
  background: var(--fp-primary-2);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}
.fp-header__actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
/* 顶栏登录/注册按钮放大 */
.fp-header__actions .fp-btn {
  padding: 11px 22px;
  font-size: 16px;
  min-height: 44px;
  border-radius: 999px;
}
.fp-toggle {
  display: none;
  width: 40px;
  height: 40px;
  margin-left: auto;
  position: relative;
}
.fp-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--fp-ink);
  border-radius: 2px;
  transition: .2s ease;
}
.fp-toggle span:nth-child(1) { top: 13px; }
.fp-toggle span:nth-child(2) { top: 19px; }
.fp-toggle span:nth-child(3) { top: 25px; }
.fp-toggle.open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.fp-toggle.open span:nth-child(2) { opacity: 0; }
.fp-toggle.open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* Dropdown */
.fp-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 520px;
  padding-top: 0;
}
.fp-dropdown--mega { left: 50%; transform: translateX(-30%); }
[data-dropdown].is-open > .fp-dropdown,
[data-mega]:hover > .fp-dropdown { display: block; }
.fp-dropdown__panel {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 18px;
  box-shadow: var(--fp-shadow);
  padding: 20px;
}
.fp-dropdown__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 28px;
}
.fp-dropdown__label {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--fp-muted);
  font-weight: 600;
}
.fp-dropdown__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px;
  border-radius: 12px;
  margin-bottom: 4px;
}
.fp-dropdown__item:hover { background: #f5f8ff; }
.fp-dropdown__item img { flex-shrink: 0; width: 36px; height: 36px; object-fit: contain; }
.fp-dropdown__item strong { display: block; font-size: 14px; }
.fp-dropdown__item em {
  display: block;
  font-style: normal;
  color: var(--fp-muted);
  font-size: 12px;
  margin-top: 2px;
}
.fp-dropdown__item b {
  display: block;
  margin-top: 4px;
  color: var(--fp-primary-2);
  font-size: 13px;
}
.fp-dropdown__flags {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.fp-dropdown__flags a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 14px;
}
.fp-dropdown__flags a:hover { background: #f5f8ff; }
.fp-dropdown__flags img { width: 20px; height: 20px; border-radius: 50%; object-fit: cover; }

/* Hero */
.fp-hero {
  position: relative;
  overflow: hidden;
  /* 地球网络背景 + 浅色遮罩，保证标题可读 */
  background:
    linear-gradient(180deg, rgba(232, 240, 255, .88) 0%, rgba(255, 255, 255, .94) 72%),
    url("../img/hero/bg.jpg") center 35% / cover no-repeat;
  padding: 88px 0 100px;
  text-align: center;
}
.fp-hero__promo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--fp-primary-2);
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 28px;
}
.fp-hero h1 {
  margin: 0 auto 28px;
  font-size: clamp(28px, 4.6vw, 56px);
  line-height: 1.22;
  font-weight: 800;
  max-width: 100%;
  letter-spacing: -.02em;
}
/* 整句单行展示，避免「起」单独掉到下一行 */
.fp-hero__h1-line {
  display: inline-block;
  white-space: nowrap;
}
.fp-hero h1 .fp-price {
  display: inline-block;
  color: var(--fp-primary-2);
  background: linear-gradient(180deg, rgba(0,107,255,.14), rgba(79,70,229,.1));
  border-radius: 18px;
  padding: 2px 16px 6px;
  margin-left: 8px;
}
.fp-hero__lead {
  margin: 0 auto 40px;
  max-width: 720px;
  color: var(--fp-muted);
  font-size: 20px;
  line-height: 1.65;
}
.fp-hero__feats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 40px;
  margin: 0 auto 48px;
  max-width: 1040px;
}
.fp-hero__feats li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  color: var(--fp-ink);
  font-weight: 600;
}
.fp-hero__feats svg {
  flex-shrink: 0;
  color: var(--fp-primary-2);
}
.fp-hero__cta { position: relative; display: inline-block; }
.fp-hero__cta .fp-btn--wide {
  min-height: 54px;
  padding: 14px 36px;
  font-size: 17px;
}

/* 企业信赖：指标卡 */
.fp-trust {
  padding: 56px 0 48px;
  text-align: center;
  background: #f7f9fc;
}
.fp-trust__head { max-width: 720px; margin: 0 auto 36px; }
.fp-trust__eyebrow {
  margin: 0 0 12px;
  color: var(--fp-primary-2);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .06em;
}
.fp-trust__head h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.35;
}
.fp-trust__desc {
  margin: 0;
  color: var(--fp-muted);
  font-size: 16px;
  line-height: 1.7;
}
.fp-trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.fp-trust__card {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 16px;
  padding: 28px 18px 24px;
  box-shadow: 0 8px 24px rgba(15, 35, 80, .04);
  text-align: center;
}
.fp-trust__card strong {
  display: block;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--fp-primary-2);
  margin-bottom: 8px;
}
.fp-trust__card span {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--fp-ink);
  margin-bottom: 6px;
}
.fp-trust__card em {
  display: block;
  font-style: normal;
  font-size: 13px;
  color: var(--fp-muted);
  line-height: 1.5;
}

/* Products dark section */
.fp-products {
  margin-top: 40px;
  padding: 72px 0 56px;
  background: linear-gradient(180deg, #0b1228 0%, #121a33 100%);
  color: #fff;
}
.fp-products__head { text-align: center; margin-bottom: 36px; }
.fp-products__head h2 {
  margin: 0 0 10px;
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
}
.fp-products__head p { margin: 0; color: rgba(255,255,255,.7); }
.fp-products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.fp-product-card {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  background: linear-gradient(160deg, #1a2342, #121a33);
  border: 1px solid rgba(255,255,255,.08);
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
}
.fp-product-card__visual {
  position: absolute;
  right: -8%;
  bottom: -10%;
  width: 70%;
  opacity: .35;
  pointer-events: none;
}
.fp-product-card__visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.fp-product-card__body { position: relative; z-index: 1; }
.fp-product-card__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.fp-product-card__title img { width: 28px; height: 28px; }
.fp-product-card__price {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}
.fp-product-card__price span { font-size: 14px; font-weight: 500; opacity: .85; margin-left: 4px; }
.fp-product-card__desc {
  color: rgba(255,255,255,.75);
  font-size: 14px;
  margin-bottom: 18px;
  max-width: 420px;
}
.fp-products__custom {
  text-align: center;
  margin-top: 28px;
  color: rgba(255,255,255,.75);
}
.fp-products__custom a { color: #fff; text-decoration: underline; font-weight: 600; }

/* Locations */
.fp-locations {
  padding: 48px 0 24px;
  background: #0b1228;
}
.fp-locations__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 28px;
}
.fp-locations__row a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.85);
  font-size: 13px;
}
.fp-locations__row img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 3px rgba(255,255,255,.14);
  background: #fff;
}

/* Use cases */
.fp-cases {
  padding: 72px 0;
  background: #fff;
}
.fp-cases h2 {
  text-align: center;
  margin: 0 0 28px;
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
}
.fp-cases__tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}
.fp-cases__tabs button {
  padding: 10px 18px;
  border-radius: var(--fp-radius-pill);
  border: 1px solid var(--fp-line);
  background: #fff;
  font-weight: 600;
  color: var(--fp-muted);
}
.fp-cases__tabs button.is-active {
  background: var(--fp-primary);
  border-color: var(--fp-primary);
  color: #fff;
}
.fp-case-panel { display: none; }
.fp-case-panel.is-active { display: block; }
.fp-case-panel__grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 32px;
  align-items: center;
  background: linear-gradient(180deg, #f7f9ff, #fff);
  border: 1px solid var(--fp-line);
  border-radius: 24px;
  padding: 32px;
}
.fp-case-panel h3 { margin: 0 0 10px; font-size: 24px; }
.fp-case-panel p { margin: 0 0 16px; color: var(--fp-muted); }
.fp-case-panel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.fp-case-panel__tags span {
  padding: 6px 12px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--fp-primary-deep);
  font-size: 13px;
  font-weight: 600;
}
.fp-case-panel__visual img {
  width: 100%;
  border-radius: 16px;
}

.fp-cta-band {
  margin-top: 40px;
  border-radius: 24px;
  padding: 36px;
  background: linear-gradient(90deg, #4f46e5, #006bff);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.fp-cta-band p { margin: 0; font-size: 18px; font-weight: 600; max-width: 720px; }
.fp-cta-band .fp-btn { background: #fff; color: var(--fp-primary-deep); }

/* Features：顶部宽幅插画 + 下方文案 */
.fp-features {
  padding: 88px 0 96px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 107, 255, .08), transparent 55%),
    linear-gradient(180deg, #f3f6fb 0%, #eef2f8 100%);
}
.fp-features h2 {
  text-align: center;
  margin: 0 0 48px;
  font-size: clamp(28px, 3.8vw, 40px);
  font-weight: 800;
  letter-spacing: -.02em;
}
.fp-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.fp-feature {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(15, 35, 80, .08);
  box-shadow: 0 12px 32px rgba(16, 24, 40, .06);
  transition: transform .2s ease, box-shadow .2s ease;
}
.fp-feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(16, 24, 40, .1);
}
.fp-feature__visual {
  background: linear-gradient(180deg, #f0f4fa 0%, #e8eef8 100%);
  min-height: 168px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px 8px;
}
.fp-feature__visual img {
  width: 100%;
  height: auto;
  max-height: 168px;
  object-fit: contain;
  display: block;
}
.fp-feature__body {
  padding: 22px 26px 28px;
}
.fp-feature h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--fp-ink);
}
.fp-feature p {
  margin: 0;
  color: var(--fp-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* Dashboard */
.fp-dash {
  padding: 72px 0;
  background: #fff;
  text-align: center;
}
.fp-dash h2 {
  margin: 0 0 10px;
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
}
.fp-dash > .fp-wrap > p {
  margin: 0 auto 28px;
  max-width: 640px;
  color: var(--fp-muted);
}
.fp-dash__mock {
  max-width: 920px;
  margin: 0 auto 24px;
  border-radius: 20px;
  border: 1px solid var(--fp-line);
  box-shadow: var(--fp-shadow);
  background: linear-gradient(180deg, #f8faff, #fff);
  overflow: hidden;
  text-align: left;
}
.fp-dash__mock-bar {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: #eef2ff;
  border-bottom: 1px solid var(--fp-line);
}
.fp-dash__mock-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #c7d2fe;
}
.fp-dash__mock-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  padding: 20px;
}
.fp-dash__mock-card {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 14px;
  padding: 16px 12px;
  text-align: center;
}
.fp-dash__mock-card img { margin: 0 auto 10px; width: 40px; height: 40px; }
.fp-dash__mock-card b { display: block; font-size: 14px; margin-bottom: 4px; }
.fp-dash__mock-card em { display: block; font-style: normal; color: var(--fp-muted); font-size: 12px; }
@media (max-width: 900px) {
  .fp-dash__mock-grid { grid-template-columns: repeat(2, 1fr); }
}
.fp-dash__note {
  color: var(--fp-muted);
  margin-bottom: 18px;
  font-weight: 600;
}

/* Reviews */
.fp-reviews {
  padding: 72px 0;
  background: var(--fp-bg);
  overflow: hidden;
}
.fp-reviews__head { text-align: center; margin-bottom: 28px; }
.fp-reviews__head h2 {
  margin: 0 0 10px;
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
}
.fp-reviews__head p { margin: 0; color: var(--fp-muted); }
.fp-reviews__track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}
.fp-review {
  flex: 0 0 min(360px, 85vw);
  scroll-snap-align: start;
  background: #fff;
  border-radius: 18px;
  padding: 22px;
  border: 1px solid var(--fp-line);
}
.fp-review__user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.fp-review__user img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}
.fp-review__user strong { display: block; font-size: 15px; }
.fp-review__user span { color: var(--fp-muted); font-size: 13px; }
.fp-review p { margin: 0; color: var(--fp-muted); font-size: 14px; }

/* FAQ */
.fp-faq {
  padding: 72px 0;
  background: #fff;
}
.fp-faq__head { text-align: center; margin-bottom: 28px; }
.fp-faq__head h2 {
  margin: 0 0 8px;
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
}
.fp-faq__head p { margin: 0; color: var(--fp-muted); }
.fp-faq__list { max-width: 860px; margin: 0 auto; }
.fp-faq__item {
  border: 1px solid var(--fp-line);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  background: #fff;
}
.fp-faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.fp-faq__item summary::-webkit-details-marker { display: none; }
.fp-faq__item summary::after {
  content: "";
  width: 16px;
  height: 16px;
  background: url("../img/1024proxy/faq_down.png") center / contain no-repeat;
  transition: transform .2s ease;
  flex-shrink: 0;
}
.fp-faq__item[open] summary::after { transform: rotate(180deg); }
.fp-faq__item .fp-faq__a {
  padding: 0 20px 16px;
  color: var(--fp-muted);
  font-size: 14px;
}

/* Footer */
.fp-footer {
  background: #0b1228;
  color: rgba(255,255,255,.82);
  padding: 56px 0 28px;
}
.fp-footer a:hover { color: #fff; }
.fp-footer__top {
  display: grid;
  grid-template-columns: 1.2fr 2.5fr;
  gap: 32px;
  margin-bottom: 28px;
}
.fp-footer__contact h3 { margin: 0 0 12px; color: #fff; }
.fp-footer__contact p { margin: 0 0 8px; font-size: 14px; }
.fp-footer__cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.fp-footer__cols h5 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 15px;
}
.fp-footer__cols li { margin-bottom: 8px; font-size: 13px; }
.fp-footer__regions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
}
.fp-footer__regions img {
  width: 28px;
  height: 20px;
  object-fit: cover;
  border-radius: 3px;
}
.fp-footer__notice {
  margin: 0 0 16px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}
.fp-footer__bar {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 16px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}

/* Responsive */
@media (max-width: 980px) {
  .fp-toggle { display: block; }
  .fp-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    background: #fff;
    border-bottom: 1px solid var(--fp-line);
    padding: 12px 16px 20px;
    max-height: calc(100vh - 72px);
    overflow: auto;
  }
  .fp-nav.open { display: block; }
  .fp-nav > ul { flex-direction: column; align-items: stretch; }
  .fp-nav > ul > li > button,
  .fp-nav > ul > li > a { width: 100%; justify-content: space-between; }
  .fp-dropdown,
  .fp-dropdown--mega {
    position: static;
    transform: none;
    min-width: 0;
    display: none;
  }
  [data-dropdown].is-open > .fp-dropdown { display: block; }
  .fp-dropdown__panel { box-shadow: none; border: 0; padding: 8px 0 8px 8px; }
  .fp-dropdown__cols { grid-template-columns: 1fr; }
  .fp-header__actions { display: none; }
  .fp-header.open-mobile .fp-header__actions {
    display: flex;
    position: absolute;
    right: 56px;
    top: 16px;
  }
  .fp-products__grid,
  .fp-case-panel__grid,
  .fp-footer__top,
  .fp-footer__cols { grid-template-columns: 1fr; }
  .fp-features__grid { grid-template-columns: 1fr 1fr; }
  .fp-features { padding: 64px 0 72px; }
  .fp-cta-band { flex-direction: column; text-align: center; }
  .fp-trust__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .fp-products__grid { grid-template-columns: 1fr; }
  .fp-hero { padding: 56px 0 64px; }
  .fp-hero h1 { font-size: clamp(20px, 5.2vw, 28px); }
  .fp-hero__promo { font-size: 15px; margin-bottom: 20px; }
  .fp-hero__lead { font-size: 17px; margin-bottom: 28px; }
  .fp-hero__feats { gap: 14px 20px; margin-bottom: 32px; }
  .fp-hero__feats li { font-size: 14px; }
  .fp-trust { padding: 40px 0 32px; }
  .fp-trust__grid { grid-template-columns: 1fr; }
  .fp-trust__card strong { font-size: 28px; }
  .fp-features__grid { grid-template-columns: 1fr; }
  .fp-features { padding: 48px 0 56px; }
  .fp-features h2 { margin-bottom: 28px; }
  .fp-feature__body { padding: 18px 20px 22px; }
  .fp-feature h3 { font-size: 18px; }
  .fp-feature p { font-size: 14px; }
}

/* ========== Product / subject pages ========== */
.fp-page-hero {
  padding: 56px 0 40px;
  background:
    radial-gradient(circle at 85% 20%, rgba(79,70,229,.12), transparent 40%),
    linear-gradient(180deg, #eef4ff 0%, #fff 100%);
}
.fp-page-hero__grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 32px;
  align-items: center;
}
.fp-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--fp-muted);
}
.fp-crumb a:hover { color: var(--fp-primary-2); }
.fp-page-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
}
.fp-page-hero__lead {
  margin: 0 0 20px;
  color: var(--fp-muted);
  font-size: 16px;
  max-width: 560px;
}
.fp-page-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
}
.fp-page-hero__stats li {
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--fp-line);
  font-size: 13px;
  font-weight: 600;
  color: var(--fp-ink);
}
.fp-page-hero__visual img {
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--fp-shadow);
}

.fp-section { padding: 64px 0; }
.fp-section--muted { background: var(--fp-bg); }
.fp-section--dark {
  background: linear-gradient(180deg, #0b1228, #121a33);
  color: #fff;
}
.fp-section__head {
  text-align: center;
  margin-bottom: 28px;
}
.fp-section__head h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
}
.fp-section__head p { margin: 0; color: var(--fp-muted); }
.fp-section--dark .fp-section__head p { color: rgba(255,255,255,.7); }

.fp-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.fp-plans--4 { grid-template-columns: repeat(4, 1fr); }
.fp-plan {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 4px 16px rgba(16,24,40,.03);
}
.fp-plan--hot {
  border-color: var(--fp-primary);
  box-shadow: 0 10px 28px rgba(79,70,229,.15);
}
.fp-plan__tag {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--fp-danger);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 8px;
}
.fp-plan h3 { margin: 0 0 8px; font-size: 20px; }
.fp-plan__price {
  font-size: 32px;
  font-weight: 800;
  color: var(--fp-primary-deep);
  margin-bottom: 4px;
}
.fp-plan__unit { color: var(--fp-muted); font-size: 13px; margin-bottom: 16px; }
.fp-plan ul { margin: 0 0 20px; flex: 1; }
.fp-plan li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--fp-muted);
}
.fp-plan li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fp-primary-2);
}
.fp-plan .fp-btn { width: 100%; }

.fp-pay {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-top: 28px;
  color: var(--fp-muted);
  font-size: 14px;
}
.fp-pay img { height: 28px; width: auto; }

.fp-reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.fp-reason {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 16px;
  padding: 22px;
}
.fp-reason img { width: 48px; height: 48px; margin-bottom: 12px; }
.fp-reason h3 { margin: 0 0 8px; font-size: 17px; }
.fp-reason p { margin: 0; color: var(--fp-muted); font-size: 14px; }

/* 产品页插画卡：上图下文（不影响定价页小图标卡） */
.fp-reason--illust {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(16, 24, 40, .05);
  transition: transform .2s ease, box-shadow .2s ease;
}
.fp-reason--illust:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(16, 24, 40, .09);
}
.fp-reason--illust .fp-reason__visual {
  background: linear-gradient(180deg, #f0f4fa 0%, #e8eef8 100%);
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 14px 6px;
}
.fp-reason--illust .fp-reason__visual img {
  width: 100%;
  height: auto;
  max-height: 160px;
  margin: 0;
  object-fit: contain;
  display: block;
}
.fp-reason--illust .fp-reason__body {
  padding: 20px 22px 24px;
}
.fp-reason--illust h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
}
.fp-reason--illust p {
  font-size: 15px;
  line-height: 1.7;
}

.fp-related {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.fp-related-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  padding: 22px;
}
.fp-related-card h3 { margin: 0 0 8px; font-size: 18px; }
.fp-related-card .price {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
  color: #a5b4fc;
}
.fp-related-card p { margin: 0 0 16px; color: rgba(255,255,255,.7); font-size: 14px; }

.fp-static-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 20px;
}
.fp-static-toolbar button {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--fp-line);
  background: #fff;
  font-weight: 600;
  color: var(--fp-muted);
}
.fp-static-toolbar button.is-active {
  background: var(--fp-primary);
  border-color: var(--fp-primary);
  color: #fff;
}
.fp-static-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.fp-static-card {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 14px;
  padding: 16px;
  text-align: center;
}
.fp-static-card strong { display: block; margin-bottom: 6px; }
.fp-static-card .price { color: var(--fp-primary-2); font-weight: 800; font-size: 18px; }
.fp-static-card .old { color: var(--fp-muted); font-size: 12px; text-decoration: line-through; }
.fp-static-note {
  text-align: center;
  margin-top: 18px;
  color: var(--fp-muted);
  font-size: 14px;
}
.fp-static-panel { display: none; }
.fp-static-panel.is-active { display: block; }

.fp-loc-mini {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 22px;
}
.fp-loc-mini a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--fp-muted);
}
.fp-loc-mini img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
}

.fp-resource-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}
.fp-resource-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 16px;
  padding: 20px;
}
.fp-resource-card img { width: 48px; height: 48px; flex-shrink: 0; }
.fp-resource-card h3 { margin: 0 0 6px; font-size: 18px; }
.fp-resource-card .price { color: var(--fp-primary-2); font-weight: 800; margin-bottom: 6px; }
.fp-resource-card p { margin: 0; color: var(--fp-muted); font-size: 14px; }

.fp-region-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.fp-region-tabs button {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--fp-line);
  background: #fff;
  font-weight: 600;
  font-size: 13px;
  color: var(--fp-muted);
}
.fp-region-tabs button.is-active {
  background: var(--fp-primary);
  border-color: var(--fp-primary);
  color: #fff;
}
.fp-country-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.fp-country {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--fp-line);
  font-size: 13px;
}
.fp-country code {
  font-weight: 700;
  color: var(--fp-primary-2);
  min-width: 28px;
}
.fp-region-panel { display: none; }
.fp-region-panel.is-active { display: block; }

.fp-custom-cta {
  text-align: center;
  margin-top: 24px;
  color: var(--fp-muted);
}
.fp-custom-cta a { color: var(--fp-primary-2); font-weight: 700; text-decoration: underline; }

.fp-price-switch {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}
.fp-price-switch button,
.fp-price-switch a {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--fp-line);
  background: #fff;
  font-weight: 700;
  color: var(--fp-muted);
}
.fp-price-switch button.is-active,
.fp-price-switch a.is-active {
  background: var(--fp-primary);
  border-color: var(--fp-primary);
  color: #fff;
}
.fp-upanel { display: none; }
.fp-upanel.is-active { display: block; }

.fp-activity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.fp-activity-card {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(16,24,40,.04);
}
.fp-activity-card h3 { margin: 0 0 8px; font-size: 20px; }
.fp-activity-card .spec {
  font-size: 28px;
  font-weight: 800;
  color: var(--fp-primary-deep);
  margin-bottom: 4px;
}
.fp-activity-card .unit {
  color: var(--fp-primary-2);
  font-weight: 700;
  margin-bottom: 12px;
}
.fp-activity-card ul { margin: 0 0 18px; }
.fp-activity-card li {
  font-size: 14px;
  color: var(--fp-muted);
  margin-bottom: 6px;
  padding-left: 14px;
  position: relative;
}
.fp-activity-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fp-primary-2);
}
.fp-hot-ips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.fp-hot-ip {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 14px;
  padding: 14px;
}
.fp-hot-ip img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.fp-hot-ip strong { display: block; }
.fp-hot-ip span { color: var(--fp-muted); font-size: 13px; }

/* About / Contact / Blog */
.fp-info-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 20px;
}
.fp-info-card {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 4px 16px rgba(16,24,40,.03);
}
.fp-info-card h2 { margin: 0 0 14px; font-size: 22px; }
.fp-info-card p { margin: 0 0 12px; color: var(--fp-muted); }
.fp-info-list { margin: 0; }
.fp-info-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--fp-line);
  font-size: 15px;
}
.fp-info-list li:last-child { border-bottom: 0; }
.fp-info-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--fp-ink);
}
.fp-info-list a { color: var(--fp-primary-2); font-weight: 600; }
.fp-about-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.fp-about-point {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 16px;
  padding: 20px;
}
.fp-about-point h3 { margin: 0 0 8px; font-size: 17px; }
.fp-about-point p { margin: 0; color: var(--fp-muted); font-size: 14px; }

.fp-blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.fp-blog-grid--home {
  max-width: 560px;
  margin: 0 auto;
  grid-template-columns: 1fr;
}
.fp-blog-more {
  margin: 28px 0 0;
  text-align: center;
}
.fp-blog-card {
  background: #fff;
  border: 1px solid var(--fp-line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(16,24,40,.03);
}
.fp-blog-card__cover img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.fp-blog-card__body { padding: 20px; }
.fp-blog-card time {
  display: block;
  color: var(--fp-muted);
  font-size: 13px;
  margin-bottom: 8px;
}
.fp-blog-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
}
.fp-blog-card h3 a:hover { color: var(--fp-primary-2); }
.fp-blog-card p {
  margin: 0 0 12px;
  color: var(--fp-muted);
  font-size: 14px;
}
.fp-blog-card__more {
  color: var(--fp-primary-2);
  font-weight: 700;
  font-size: 14px;
}

.fp-article { max-width: 820px; margin: 0 auto; }
.fp-article__meta {
  color: var(--fp-muted);
  font-size: 14px;
  margin-bottom: 20px;
}
.fp-article h2 {
  margin: 28px 0 12px;
  font-size: 22px;
}
.fp-article p {
  margin: 0 0 14px;
  color: #334155;
  line-height: 1.8;
}
.fp-article ul {
  margin: 0 0 16px;
  padding-left: 20px;
  color: #334155;
}
.fp-article li {
  list-style: disc;
  margin-bottom: 8px;
  line-height: 1.7;
}

@media (max-width: 980px) {
  .fp-page-hero__grid,
  .fp-plans,
  .fp-plans--4,
  .fp-reasons,
  .fp-related,
  .fp-resource-cards,
  .fp-static-grid,
  .fp-activity-grid,
  .fp-hot-ips,
  .fp-info-grid,
  .fp-about-points,
  .fp-blog-grid { grid-template-columns: 1fr 1fr; }
  .fp-country-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .fp-page-hero__grid,
  .fp-plans,
  .fp-plans--4,
  .fp-reasons,
  .fp-related,
  .fp-resource-cards,
  .fp-static-grid,
  .fp-country-grid,
  .fp-activity-grid,
  .fp-hot-ips,
  .fp-info-grid,
  .fp-about-points,
  .fp-blog-grid { grid-template-columns: 1fr; }
}