:root {
  --yhy-red: #bc0b25;
  --yhy-red-deep: #8f081c;
  --yhy-ink: #161215;
  --yhy-text: #332b2d;
  --yhy-paper: #fffdfc;
  --yhy-cream: #f7f1ed;
  --yhy-blush: #f6e3e7;
  --yhy-line: #e7ccd2;
  --yhy-muted: #75686b;
  --header-height: 82px;
  --container: min(1280px, calc(100vw - 64px));
  color-scheme: light;
}

body.jx-home {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--yhy-text);
  background: var(--yhy-paper);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.jx-home * {
  box-sizing: border-box;
}

.jx-home a {
  color: inherit;
  text-decoration: none;
}

.jx-home button,
.jx-home input {
  font: inherit;
}

.jx-home button,
.jx-home a,
.jx-home input {
  -webkit-tap-highlight-color: transparent;
}

.jx-home :focus-visible {
  outline: 3px solid rgba(188, 11, 37, 0.34);
  outline-offset: 3px;
}

.jx-home .hzq-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-height);
  border-bottom: 1px solid rgba(22, 18, 21, 0.08);
  background: rgba(255, 253, 252, 0.92);
  box-shadow: none;
  backdrop-filter: blur(18px) saturate(1.1);
}

.jx-home .hzq-nav-inner {
  width: var(--container);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.jx-home .hzq-nav-left {
  display: flex;
  align-items: center;
  min-width: 0;
}

.jx-home .hzq-nav-brand {
  display: inline-flex;
  align-items: center;
  width: 190px;
  height: 58px;
  min-width: 0;
  flex: 0 0 190px;
}

.jx-home .hzq-nav-logo {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
  object-position: left center;
}

.jx-home .hzq-nav-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.jx-home .hzq-nav-link,
.jx-home .hzq-nav-credits,
.jx-home .hzq-nav-btn,
.jx-home .hzq-nav-btn-outline,
.jx-home .hzq-nav-user,
.jx-home .hzq-nav-cost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 17px;
  border: 1px solid rgba(22, 18, 21, 0.13);
  border-radius: 999px;
  background: rgba(255, 253, 252, 0.84);
  color: var(--yhy-ink);
  font-size: 14px;
  font-weight: 760;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.jx-home .hzq-nav-link:hover,
.jx-home .hzq-nav-btn-outline:hover,
.jx-home .hzq-nav-credits:hover,
.jx-home .hzq-nav-user:hover,
.jx-home .hzq-nav-cost:hover {
  transform: translateY(-1px);
  border-color: rgba(188, 11, 37, 0.35);
  background: var(--yhy-blush);
  color: var(--yhy-red-deep);
}

.jx-home .hzq-nav-btn {
  min-width: 116px;
  border-color: var(--yhy-red);
  background: var(--yhy-red);
  color: #fff;
  box-shadow: 0 12px 26px rgba(143, 8, 28, 0.22);
}

.jx-home .hzq-nav-btn:hover {
  border-color: var(--yhy-red-deep);
  background: var(--yhy-red-deep);
  color: #fff;
}

.jx-home .hzq-nav-credits,
.jx-home .hzq-nav-cost {
  border-color: rgba(188, 11, 37, 0.18);
  background: rgba(246, 227, 231, 0.7);
}

.jx-home .hzq-nav-credits strong,
.jx-home .hzq-nav-cost strong {
  color: var(--yhy-red-deep);
}

.jx-home .hzq-nav-user {
  max-width: 210px;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: default;
}

.jx-home .hzq-nav-user span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.jx-home .hzq-nav-icon {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
}

@media (max-width: 820px) {
  .jx-home .hzq-nav {
    height: auto;
  }

  .jx-home .hzq-nav-inner {
    width: min(calc(100vw - 28px), 1280px);
    min-height: 72px;
    height: auto;
    padding: 10px 0;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .jx-home .hzq-nav-brand {
    width: 168px;
    height: 52px;
    flex: 0 0 168px;
    justify-content: center;
  }

  .jx-home .hzq-nav-left {
    justify-content: center;
  }

  .jx-home .hzq-nav-logo {
    width: 168px;
    height: 52px;
    max-width: 168px;
    max-height: 52px;
    flex-basis: 168px;
  }

  .jx-home .hzq-nav-right {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    gap: 8px;
  }

  .jx-home .hzq-nav-link,
  .jx-home .hzq-nav-credits,
  .jx-home .hzq-nav-btn,
  .jx-home .hzq-nav-btn-outline,
  .jx-home .hzq-nav-user,
  .jx-home .hzq-nav-cost {
    width: 100%;
    min-width: 0;
    min-height: 40px;
    padding: 0 10px;
    font-size: 13px;
  }

  .jx-home .hzq-nav-btn {
    grid-column: 1 / -1;
  }
}

.jx-home .hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  background: var(--yhy-cream) url("/assets/yuhangyuan-hero-v2.webp") center / cover no-repeat;
}

.jx-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(255, 253, 252, 0.98) 0%, rgba(255, 253, 252, 0.94) 32%, rgba(255, 253, 252, 0.7) 49%, rgba(255, 253, 252, 0.06) 74%);
}

.jx-home .hero::after {
  content: none !important;
  display: none !important;
  background: none !important;
}

.jx-home .hero-inner {
  position: relative;
  z-index: 2;
  width: var(--container);
  margin: 0 auto;
  padding: clamp(64px, 8vh, 104px) 0;
  display: block;
}

.jx-home .hero-copy {
  width: min(650px, 54vw);
  max-width: none;
  animation: yhy-rise 0.75s cubic-bezier(0.2, 0.78, 0.25, 1) both;
}

.jx-home .brand-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 25px;
  color: var(--yhy-red-deep);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.2em;
}

.jx-home .brand-kicker::before {
  content: "";
  width: 46px;
  height: 4px;
  border-radius: 99px;
  background: var(--yhy-red);
}

.jx-home .hero-title {
  margin: 0;
  color: var(--yhy-ink);
  font-size: clamp(54px, 7vw, 102px);
  font-weight: 920;
  line-height: 0.98;
  letter-spacing: -0.08em;
}

.jx-home .hero-title span {
  display: block;
  max-width: 560px;
  margin-top: 25px;
  color: var(--yhy-text);
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(22px, 2.2vw, 34px);
  font-weight: 650;
  line-height: 1.42;
  letter-spacing: 0.08em;
}

.jx-home .hero-title span::after {
  content: "让每一次阅读、表达与思考，都有清晰的前进方向。";
  display: block;
  max-width: 520px;
  margin-top: 18px;
  color: var(--yhy-muted);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

.jx-home .hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 35px;
}

.jx-home .hero-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 820;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.jx-home .hero-action::after {
  content: "↗";
  margin-left: 13px;
  font-size: 17px;
}

.jx-home .hero-action.primary {
  background: var(--yhy-red);
  color: #fff;
  box-shadow: 0 18px 36px rgba(143, 8, 28, 0.24);
}

.jx-home .hero-action.primary:hover {
  transform: translateY(-2px);
  background: var(--yhy-red-deep);
  box-shadow: 0 22px 42px rgba(143, 8, 28, 0.28);
}

.jx-home .hero-action.secondary {
  border-color: rgba(22, 18, 21, 0.22);
  background: rgba(255, 253, 252, 0.88);
  color: var(--yhy-ink);
}

.jx-home .hero-action.secondary:hover {
  transform: translateY(-2px);
  border-color: var(--yhy-ink);
  background: var(--yhy-ink) !important;
  color: #fff !important;
}

.jx-home .tools-section {
  position: relative;
  width: 100%;
  padding: clamp(48px, 6vw, 78px) max(32px, calc((100vw - 1280px) / 2)) clamp(100px, 12vw, 160px);
  background:
    linear-gradient(90deg, rgba(188, 11, 37, 0.035) 1px, transparent 1px) 0 0 / 96px 96px,
    var(--yhy-paper);
}

.jx-home .tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
}

.jx-home .tool-card {
  position: relative;
  min-width: 0;
  min-height: 190px;
  padding: 28px 62px 27px 108px;
  border: 0;
  border-top: 1px solid rgba(22, 18, 21, 0.16);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: hidden;
  transition: background 0.22s ease, border-color 0.22s ease;
}

.jx-home .tool-card:nth-last-child(-n + 2) {
  border-bottom: 1px solid rgba(22, 18, 21, 0.16);
}

.jx-home .tool-card::before {
  content: "";
  position: absolute;
  left: 48px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--yhy-red);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.24s ease;
}

.jx-home .tool-card::after {
  display: none;
}

.jx-home .tool-card:hover {
  border-color: rgba(188, 11, 37, 0.45);
  background: linear-gradient(90deg, rgba(246, 227, 231, 0.7), rgba(255, 253, 252, 0.24));
  transform: none;
  box-shadow: none;
}

.jx-home .tool-card:hover::before {
  transform: scaleY(1);
}

.jx-home .tool-card-head {
  display: contents;
}

.jx-home .tool-index {
  position: absolute;
  left: 0;
  top: 24px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 40px;
  height: 32px;
  padding: 0 2px;
  border: 0;
  border-radius: 999px;
  background: var(--yhy-ink) !important;
  color: #fff !important;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.jx-home .tool-icon {
  position: absolute;
  left: 58px;
  top: 25px;
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: var(--yhy-ink);
  color: #fff;
}

.jx-home .tool-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.jx-home .tool-title {
  display: block;
  margin: 0;
  color: var(--yhy-ink);
  font-size: clamp(21px, 2vw, 28px);
  font-weight: 850;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.jx-home .tool-desc {
  margin: 12px 0 23px;
  color: var(--yhy-muted);
  font-size: 14px;
  line-height: 1.75;
}

.jx-home .tool-cost {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 11px;
  border: 1px solid var(--yhy-line);
  border-radius: 999px;
  background: var(--yhy-paper);
  color: var(--yhy-red-deep);
  font-size: 12px;
  font-weight: 750;
}

.jx-home .tool-arrow {
  position: absolute;
  right: 5px;
  top: 31px;
  width: 24px;
  height: 24px;
  color: var(--yhy-ink);
  transition: transform 0.2s ease, color 0.2s ease;
}

.jx-home .tool-card:hover .tool-arrow {
  transform: translate(3px, -3px);
  color: var(--yhy-red);
}

.jx-home .tool-empty {
  grid-column: 1 / -1;
  padding: 60px;
  border: 1px solid var(--yhy-line);
  background: var(--yhy-cream);
  color: var(--yhy-text);
  text-align: center;
}

.jx-home .modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(22, 18, 21, 0.58);
  backdrop-filter: blur(12px);
}

.jx-home .modal-overlay.show {
  display: flex;
}

.jx-home .modal {
  width: min(510px, 100%);
  max-height: min(86vh, 820px);
  overflow: auto;
  padding: 32px;
  border: 1px solid var(--yhy-line);
  border-radius: 18px;
  background: var(--yhy-paper);
  color: var(--yhy-text);
  box-shadow: 0 32px 90px rgba(22, 18, 21, 0.26);
}

.jx-home .terms-modal {
  width: min(760px, 100%);
}

.jx-home .modal h2 {
  margin: 13px 0 8px;
  color: var(--yhy-ink);
  font-size: 27px;
  font-weight: 880;
}

.jx-home .modal h3 {
  color: var(--yhy-ink);
}

.jx-home .modal p,
.jx-home .terms-check,
.jx-home .terms-content {
  color: var(--yhy-muted);
  line-height: 1.75;
}

.jx-home .modal-tabs {
  display: flex;
  gap: 8px;
  padding: 5px;
  border-radius: 999px;
  background: var(--yhy-cream);
}

.jx-home .modal-tab {
  flex: 1;
  min-height: 40px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--yhy-text);
  font-weight: 760;
  cursor: pointer;
}

.jx-home .modal-tab.active {
  background: var(--yhy-ink);
  color: #fff;
}

.jx-home .modal input[type="email"],
.jx-home .modal input[type="tel"],
.jx-home .modal input[type="text"],
.jx-home .modal input[type="password"] {
  width: 100%;
  min-height: 48px;
  margin-top: 12px;
  padding: 0 14px;
  border: 1px solid rgba(22, 18, 21, 0.16);
  border-radius: 10px;
  background: #fff;
  color: var(--yhy-ink);
}

.jx-home .modal input:focus {
  border-color: var(--yhy-red);
  box-shadow: 0 0 0 4px rgba(188, 11, 37, 0.1);
  outline: none;
}

.jx-home .terms-link {
  border: 0;
  background: transparent;
  color: var(--yhy-red-deep);
  font-weight: 760;
  cursor: pointer;
}

.jx-home .modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

.jx-home .modal-primary,
.jx-home .modal-secondary,
.jx-home .recharge-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 19px;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}

.jx-home .modal-primary,
.jx-home .recharge-link {
  border: 1px solid var(--yhy-red);
  background: var(--yhy-red);
  color: #fff;
}

.jx-home .modal-secondary {
  border: 1px solid rgba(22, 18, 21, 0.18);
  background: #fff;
  color: var(--yhy-ink);
}

.jx-home .redeem-block {
  margin-top: 18px;
  padding: 17px;
  border: 1px solid var(--yhy-line);
  border-radius: 12px;
  background: var(--yhy-cream);
}

.jx-home .modal-error {
  color: #9f071d;
}

.jx-home .modal-success {
  color: #18734b;
}

@keyframes yhy-rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  :root {
    --container: min(100% - 36px, 720px);
    --header-height: 72px;
  }

  .jx-home .hero {
    min-height: calc(100svh - var(--header-height));
    background-position: 61% center;
  }

  .jx-home .hero::before {
    background: linear-gradient(90deg, rgba(255, 253, 252, 0.98) 0%, rgba(255, 253, 252, 0.91) 58%, rgba(255, 253, 252, 0.35) 100%);
  }

  .jx-home .hero-copy {
    width: min(610px, 86vw);
  }

  .jx-home .tool-grid {
    grid-template-columns: 1fr;
  }

  .jx-home .tool-card:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .jx-home .tool-card:last-child {
    border-bottom: 1px solid rgba(22, 18, 21, 0.16);
  }
}

@media (max-width: 640px) {
  :root {
    --container: calc(100vw - 28px);
  }

  .jx-home .hzq-nav-inner {
    padding: 8px 0 10px;
    gap: 8px;
  }

  .jx-home .hzq-nav-right {
    gap: 7px;
  }

  .jx-home .hzq-nav-link,
  .jx-home .hzq-nav-credits,
  .jx-home .hzq-nav-btn,
  .jx-home .hzq-nav-btn-outline,
  .jx-home .hzq-nav-user,
  .jx-home .hzq-nav-cost {
    min-height: 40px;
    width: 100%;
    min-width: 0;
    padding: 0 10px;
    font-size: 12px;
  }

  .jx-home .hzq-nav-btn {
    grid-column: auto;
  }

  .jx-home .hzq-nav-user,
  .jx-home .hzq-nav-credits {
    display: none;
  }

  .jx-home .hzq-nav-icon {
    width: 14px;
    height: 14px;
    flex-basis: 14px;
  }

  .jx-home .hero {
    min-height: calc(100svh - 112px);
    align-items: end;
    background-position: 65% center;
  }

  .jx-home .hero::before {
    background: linear-gradient(180deg, rgba(255, 253, 252, 0.5) 0%, rgba(255, 253, 252, 0.88) 44%, rgba(255, 253, 252, 0.99) 100%);
  }

  .jx-home .hero::after {
    display: none;
  }

  .jx-home .hero-inner {
    padding: 64px 0 46px;
  }

  .jx-home .hero-copy {
    width: 100%;
  }

  .jx-home .brand-kicker {
    margin-bottom: 17px;
    font-size: 10px;
    letter-spacing: 0.12em;
  }

  .jx-home .hero-title {
    font-size: clamp(48px, 18vw, 72px);
  }

  .jx-home .hero-title span {
    margin-top: 19px;
    font-size: 21px;
  }

  .jx-home .hero-title span::after {
    font-size: 14px;
  }

  .jx-home .hero-actions {
    align-items: stretch;
    flex-direction: column;
    margin-top: 26px;
  }

  .jx-home .tools-section {
    padding: 40px 18px 92px;
  }

  .jx-home .tool-card {
    min-height: 175px;
    padding: 24px 38px 24px 100px;
  }

  .jx-home .tool-card:hover {
    padding-left: 100px;
  }

  .jx-home .tool-icon {
    left: 56px;
    top: 23px;
    width: 32px;
    height: 32px;
  }

  .jx-home .tool-index {
    top: 23px;
  }

  .jx-home .tool-arrow {
    right: 0;
    top: 27px;
  }

  .jx-home .tool-title {
    font-size: 22px;
  }

  .jx-home .modal {
    padding: 24px 20px;
    border-radius: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .jx-home *,
  .jx-home *::before,
  .jx-home *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}