@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&family=ZCOOL+XiaoWei&display=swap");

:root {
  --pkh-ink: #152028;
  --pkh-paper: #f3f7f9;
  --pkh-mist: #e2eef2;
  --pkh-line: #c5d6de;
  --pkh-teal: #0f8f86;
  --pkh-teal-deep: #0a6b65;
  --pkh-coral: #ff5d6c;
  --pkh-coral-soft: #ffe3e6;
  --pkh-amber: #f0a43a;
  --pkh-glass: rgba(255, 255, 255, 0.72);
  --pkh-shadow: 0 18px 40px rgba(21, 32, 40, 0.08);
  --pkh-radius: 22px;
  --pkh-max: 1080px;
  --pkh-nav-h: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--pkh-ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(15, 143, 134, 0.12), transparent 60%),
    radial-gradient(900px 420px at 100% 0%, rgba(255, 93, 108, 0.1), transparent 55%),
    linear-gradient(180deg, #f7fbfc 0%, var(--pkh-paper) 40%, #eef5f7 100%);
  line-height: 1.75;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--pkh-teal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--pkh-coral);
}

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

.pkh-brand-mark {
  font-family: "ZCOOL XiaoWei", "Noto Sans SC", serif;
  letter-spacing: 0.04em;
}

.pkh-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: var(--pkh-glass);
  border-bottom: 1px solid rgba(197, 214, 222, 0.7);
}

.pkh-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--pkh-nav-h);
  gap: 16px;
}

.pkh-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
}

.pkh-logo img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(15, 143, 134, 0.25);
}

.pkh-burger {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--pkh-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.pkh-burger span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--pkh-ink);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.pkh-burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.pkh-burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.pkh-burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.pkh-nav-panel {
  display: block;
}

.pkh-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.92rem;
}

.pkh-menu a {
  text-decoration: none;
  color: var(--pkh-ink);
  opacity: 0.82;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.pkh-menu a:hover,
.pkh-menu a[aria-current="page"] {
  opacity: 1;
  color: var(--pkh-teal);
}

.pkh-promo {
  border-bottom: 1px solid var(--pkh-line);
  background: linear-gradient(90deg, rgba(15, 143, 134, 0.06), rgba(255, 93, 108, 0.06));
  padding: 12px 0 4px;
}

.pkh-ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px 8px;
  margin: 0;
}

.pkh-ads > div {
  width: 70px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pkh-ads a {
  text-decoration: none;
  border-radius: 15px;
}

.pkh-ads img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24, 24, 24, 0.12);
  transition: transform 180ms ease, box-shadow 180ms ease;
  background: #fff;
}

.pkh-ads img:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(24, 24, 24, 0.18);
}

.pkh-ads .pkh-ad-cap {
  height: 15px;
  font-size: 11px;
  color: #666;
  text-align: center;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 4px;
}

.pkh-dock {
  position: sticky;
  top: var(--pkh-nav-h);
  z-index: 35;
  display: none;
  background: rgba(243, 247, 249, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pkh-line);
  padding: 10px 0;
}

.pkh-dock.is-on {
  display: block;
  animation: pkh-slide-down 0.28s ease;
}

@keyframes pkh-slide-down {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pkh-dock-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px 8px;
  justify-items: center;
}

@media (min-width: 900px) {
  .pkh-dock-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
}

.pkh-dock-grid a {
  text-decoration: none;
  width: 100%;
  max-width: 72px;
  text-align: center;
}

.pkh-dock-grid img {
  width: 52px;
  height: 52px;
  margin-inline: auto;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 4px 14px rgba(21, 32, 40, 0.12);
}

.pkh-dock-grid span {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  color: #667;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pkh-hero {
  position: relative;
  overflow: hidden;
  padding: 42px 0 28px;
  isolation: isolate;
}

.pkh-hero::before {
  content: "";
  position: absolute;
  inset: 8% -20% auto;
  height: 70%;
  background:
    linear-gradient(115deg, rgba(15, 143, 134, 0.18), transparent 45%),
    linear-gradient(250deg, rgba(255, 93, 108, 0.16), transparent 40%);
  filter: blur(8px);
  z-index: -1;
  animation: pkh-breathe 7s ease-in-out infinite;
}

@keyframes pkh-breathe {
  0%,
  100% {
    transform: scale(1) translateX(0);
  }
  50% {
    transform: scale(1.04) translateX(12px);
  }
}

.pkh-hero-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

@media (min-width: 880px) {
  .pkh-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.pkh-kicker {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--pkh-teal);
  margin-bottom: 10px;
}

.pkh-hero h1 {
  font-family: "ZCOOL XiaoWei", "Noto Sans SC", serif;
  font-size: clamp(2rem, 5vw, 3.15rem);
  line-height: 1.25;
  margin: 0 0 14px;
  font-weight: 400;
}

.pkh-hero-lead {
  margin: 0;
  font-size: 1.05rem;
  color: #3a4650;
  max-width: 34em;
}

.pkh-hero-visual {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--pkh-shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  transform: translateY(0);
  animation: pkh-float 5.5s ease-in-out infinite;
}

@keyframes pkh-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.pkh-hero-visual img {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 520px;
  object-fit: cover;
  object-position: top;
}

.pkh-crumb {
  padding: 18px 0 6px;
  font-size: 0.88rem;
  color: #5b6a74;
}

.pkh-crumb a {
  color: inherit;
  text-decoration: none;
}

.pkh-crumb a:hover {
  color: var(--pkh-teal);
}

.pkh-crumb span[aria-hidden="true"] {
  margin: 0 8px;
  opacity: 0.45;
}

.pkh-section {
  padding: 42px 0;
}

.pkh-section h2 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: clamp(1.55rem, 3.4vw, 2.1rem);
  margin: 0 0 12px;
  font-weight: 400;
}

.pkh-section h3 {
  font-size: 1.18rem;
  margin: 28px 0 10px;
  color: var(--pkh-teal-deep);
}

.pkh-lead {
  margin: 0 0 18px;
  color: #4a5862;
  max-width: 46em;
}

.pkh-prose p {
  margin: 0 0 1.05em;
  text-align: justify;
  word-break: break-word;
}

.pkh-prose p:last-child {
  margin-bottom: 0;
}

.pkh-split {
  display: grid;
  gap: 22px;
  align-items: center;
}

@media (min-width: 800px) {
  .pkh-split {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .pkh-split.is-flip .pkh-shot {
    order: 2;
  }
}

.pkh-shot {
  border-radius: var(--pkh-radius);
  overflow: hidden;
  box-shadow: var(--pkh-shadow);
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: #fff;
}

.pkh-shot img {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 460px;
  object-fit: cover;
  object-position: top;
}

.pkh-mosaic {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 760px) {
  .pkh-mosaic {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.pkh-tile {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--pkh-line);
  border-radius: 18px;
  padding: 16px 14px;
  box-shadow: 0 10px 24px rgba(21, 32, 40, 0.04);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.pkh-tile:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 143, 134, 0.45);
}

.pkh-tile h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--pkh-ink);
}

.pkh-tile p {
  margin: 0;
  font-size: 0.92rem;
  color: #55636d;
}

.pkh-panel {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(226, 238, 242, 0.65));
  border: 1px solid var(--pkh-line);
  border-radius: 24px;
  padding: 24px 20px;
  box-shadow: var(--pkh-shadow);
}

.pkh-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.pkh-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: none;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pkh-btn:hover {
  transform: translateY(-2px);
}

.pkh-btn-main {
  background: linear-gradient(120deg, var(--pkh-teal), var(--pkh-teal-deep));
  color: #fff !important;
  box-shadow: 0 12px 24px rgba(15, 143, 134, 0.28);
}

.pkh-btn-soft {
  background: var(--pkh-coral-soft);
  color: #b83342 !important;
}

.pkh-rail {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .pkh-rail {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pkh-rail article {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--pkh-line);
}

.pkh-rail article img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.pkh-rail article div {
  padding: 14px 14px 18px;
}

.pkh-rail h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  color: var(--pkh-ink);
}

.pkh-rail p {
  margin: 0;
  font-size: 0.9rem;
  color: #5a6872;
}

.pkh-band {
  margin: 10px 0;
  padding: 36px 0;
  background:
    linear-gradient(110deg, rgba(15, 143, 134, 0.09), transparent 50%),
    linear-gradient(290deg, rgba(240, 164, 58, 0.1), transparent 45%);
  border-block: 1px solid var(--pkh-line);
}

.pkh-faq details {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--pkh-line);
  border-radius: 14px;
  padding: 12px 16px;
  margin-bottom: 10px;
}

.pkh-faq summary {
  cursor: pointer;
  font-weight: 700;
}

.pkh-footer {
  margin-top: 48px;
  padding: 34px 0 48px;
  background: #112029;
  color: #d7e2e8;
}

.pkh-footer a {
  color: #9fe5de;
  text-decoration: none;
}

.pkh-footer a:hover {
  color: #fff;
}

.pkh-foot-grid {
  display: grid;
  gap: 22px;
}

@media (min-width: 720px) {
  .pkh-foot-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.pkh-footer h2 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 1.35rem;
  margin: 0 0 10px;
  color: #fff;
  font-weight: 400;
}

.pkh-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pkh-footer li {
  margin-bottom: 8px;
}

.pkh-copy {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.86rem;
  opacity: 0.75;
}

.pkh-error {
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 0;
}

.pkh-error .pkh-code {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: clamp(4rem, 14vw, 7rem);
  line-height: 1;
  background: linear-gradient(120deg, var(--pkh-teal), var(--pkh-coral));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0;
}

.pkh-legal h1 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 400;
  margin: 8px 0 18px;
}

.pkh-legal h2 {
  font-size: 1.25rem;
  margin: 28px 0 10px;
  color: var(--pkh-teal-deep);
}

.pkh-legal p,
.pkh-legal li {
  color: #36434d;
}

.pkh-legal ul {
  padding-left: 1.2em;
}

.pkh-reveal {
  animation: pkh-rise 0.7s ease both;
}

@keyframes pkh-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .pkh-burger {
    display: inline-flex;
  }

  .pkh-nav {
    position: relative;
    flex-wrap: wrap;
  }

  .pkh-nav-panel {
    display: none;
    width: 100%;
    order: 3;
    padding: 8px 0 14px;
    animation: pkh-menu-in 0.22s ease;
  }

  .pkh-nav-panel.is-open {
    display: block;
  }

  .pkh-menu {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border: 1px solid var(--pkh-line);
    border-radius: 16px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--pkh-shadow);
  }

  .pkh-menu li + li {
    border-top: 1px solid var(--pkh-line);
  }

  .pkh-menu a {
    display: block;
    padding: 14px 16px;
    font-size: 0.95rem;
    opacity: 1;
  }

  .pkh-menu a[aria-current="page"] {
    background: rgba(15, 143, 134, 0.08);
  }

  body.pkh-nav-lock {
    overflow: hidden;
  }
}

@keyframes pkh-menu-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .pkh-hero {
    padding-top: 28px;
  }
  .pkh-section {
    padding: 32px 0;
  }
}