html { scroll-padding-top: 88px; }
.site-nav a { position: relative; --nav-line-width: 100%; }
.site-nav a::after { content: ''; position: absolute; left: 0; bottom: 2px; width: 0; height: 2px; background: var(--accent); pointer-events: none; transition: width 0.3s ease-in-out; }
.site-nav a[aria-current="page"]::after, .site-nav a:focus-visible::after { width: var(--nav-line-width); }
@media (hover: hover) { .site-nav a:hover::after { width: var(--nav-line-width); } }
@keyframes site-nav-line-enter { from { width: 0; } to { width: var(--nav-line-width); } }
.site-nav a[aria-current="page"]::after { animation: site-nav-line-enter 0.3s ease-in-out; }
@media (max-width: 1050px) { .site-nav a { --nav-line-width: calc(100% - 28px); } .site-nav a::after { left: 14px; bottom: 5px; } }
@media (prefers-reduced-motion: reduce) { .site-nav a::after { transition: none; } .site-nav a[aria-current="page"]::after { animation: none; } }
#versions-title { position: static; width: 100%; max-width: none; text-align: center; white-space: normal; pointer-events: auto; }
.site-page { padding-top: 70px; min-height: calc(100svh - 100px); }
.site-page h1 { font-size: clamp(30px, 3.6vw, 54px); font-weight: 600; letter-spacing: -.025em; margin: 0 0 20px; line-height: 1.25; }
.site-nav a[aria-current="page"] { color: var(--accent); }
.site-header, .site-section, .site-footer, .site-dialog, .site-contact-dock { font-family: Inter, "Helvetica Neue", "Microsoft YaHei", Arial, sans-serif; }
.site-header { position: fixed; z-index: 50; inset: 0 0 auto; min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 12px 4vw; background: transparent; border-bottom: 1px solid transparent; transition: background-color 180ms ease, border-color 180ms ease; }
.site-header.is-past-hero { background: #000; border-bottom-color: #ffffff14; }
@media (min-width: 1051px) {
  .site-header { padding-inline: max(8vw, calc((100% - 1280px) / 2)); }
}
.site-brand { display: flex; align-items: center; flex-shrink: 0; gap: 10px; text-decoration: none; color: var(--accent); font-size: 20px; font-weight: 600; }
.site-brand img { display: block; width: 32px; height: 32px; object-fit: contain; }
.site-nav { display: flex; gap: clamp(14px, 1.7vw, 28px); align-items: center; }
.site-nav a { color: #c4c6ca; text-decoration: none; font-size: 14px; padding: 10px 0; white-space: nowrap; transition: color 180ms ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: #efbb91; }
.site-menu-button { display: none; }
.site-skip { position: fixed; z-index: 100; top: 8px; left: 8px; transform: translateY(-180%); background: #fff; color: #111; padding: 12px; }
.site-skip:focus { transform: none; }
.site-section { max-width: 1400px; margin: 0 auto; padding: clamp(64px, 9vw, 128px) 6vw; }
.site-section-heading { text-align: center; margin-bottom: 48px; }
.site-eyebrow { display: block; color: #c99670; font-size: 14px; letter-spacing: .12em; margin-bottom: 18px; }
.site-section h2 { font-size: clamp(30px, 3.6vw, 54px); font-weight: 600; letter-spacing: -.025em; margin: 0 0 20px; line-height: 1.25; }
.site-section p { font-size: 16px; color: #a9abb2; line-height: 1.9; }
.site-plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; width: 94%; margin-inline: auto; }
.site-plan { position: relative; overflow: hidden; display: flex; flex-direction: column; padding: clamp(22px, 2.5vw, 34px); border: 1px solid #ffffff18; border-radius: 16px; background: linear-gradient(180deg, #16181c 0, #101114 240px, #0e0f11 100%); box-shadow: inset 0 1px 0 #ffffff08, 0 16px 40px #0003; }
.site-plan::before { content: ''; position: absolute; top: 0; left: 32px; right: 32px; height: 2px; background: linear-gradient(90deg, transparent, #a6aeba80, transparent); pointer-events: none; }
.site-plan-featured { border-color: #8095b34d; background: linear-gradient(180deg, #1c2430 0, #141a23 240px, #11161d 100%); }
.site-plan-featured::before { background: linear-gradient(90deg, transparent, #8fa7c7, #ced9e8, transparent); }
.site-plan:not(.site-plan-featured) { border-color: #bca78040; background: linear-gradient(180deg, #242119 0, #191712 240px, #14130f 100%); }
.site-plan:not(.site-plan-featured)::before { background: linear-gradient(90deg, transparent, #bca780 28%, #ecddbc 50%, #bca780 72%, transparent); }
.site-plan:not(.site-plan-featured)::after { background: #e4d2ac0d; box-shadow: inset 0 0 0 1px #d5bd8f70; }
.site-plan:not(.site-plan-featured) .site-price { color: #e3d1ad; }
.site-plan:not(.site-plan-featured) li::before { border-color: #bca780; }
.site-plan { isolation: isolate; }
.site-plan::after { content: ''; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none; background: #ffffff0d; box-shadow: inset 0 0 0 1px #cbd6e066; opacity: 0; transition: opacity 320ms cubic-bezier(.22, 1, .36, 1); }
.site-plan-featured::after { background: #a8cfff10; box-shadow: inset 0 0 0 1px #a8cfff80; }
@media (hover: hover) {
  .site-plan:hover::after { opacity: 1; }
}
.site-plan:focus-within::after { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .site-plan::after { transition: none; }
}
.site-plan h3, .site-resource h3 { font-size: 26px; margin: 0 0 10px; font-weight: 500; }
.site-plan > p { margin: 0 0 20px; }
.site-price { font-size: clamp(36px, 4vw, 52px); color: #e2e5ea; letter-spacing: -.03em; }
.site-plan-featured .site-price { color: #c6d7ee; }
.site-price small { color: #aaacb2; font-size: 16px; letter-spacing: 0; }
.site-plan ul { list-style: none; padding: 20px 0 0; border-top: 1px solid #ffffff12; margin: 24px 0 28px; flex: 1; color: #c4c6cc; font-size: 16px; line-height: 1.75; }
.site-plan li { position: relative; padding: 4px 0 4px 24px; }
.site-plan li::before { content: ''; position: absolute; left: 2px; top: 15px; width: 9px; height: 5px; border-left: 1.5px solid #8893a1; border-bottom: 1.5px solid #8893a1; transform: rotate(-45deg); }
.site-plan-featured li::before { border-color: #9cb6d8; }
.site-plan .site-button { background: #ffffff09; border-color: #ffffff24; color: #eceef0; border-radius: 10px; transition: background-color 180ms ease, border-color 180ms ease; }
.site-plan .site-button:hover { background: #ffffff12; border-color: #ffffff40; }
.site-plan:not(.site-plan-featured) .site-button { background: #d5c29c; border-color: #e0cfaf; color: #272116; font-weight: 600; box-shadow: inset 0 1px 0 #ffffff30; transition: background-color 240ms ease, border-color 240ms ease; }
.site-plan:not(.site-plan-featured) .site-button:hover { background: #e4d3b1; border-color: #eddfc5; }
.site-plan-featured .site-button { background: #c3d2e5; border-color: #c3d2e5; color: #162130; font-weight: 600; }
.site-plan-featured .site-button:hover { background: #d8e3f1; border-color: #d8e3f1; }
.site-button { padding: 14px 24px; color: #f7dfcc; background: #35251a; border: 1px solid #7c573b; border-radius: 9px; font: inherit; cursor: pointer; }
.site-button:hover { background: #483020; }
.site-download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.site-resource { border-top: 1px solid #6c503d; padding: 30px 24px; background: linear-gradient(#151619, #090a0c); border-radius: 0 0 14px 14px; }
.site-resource h3 { font-size: 22px; margin-bottom: 26px; }
.site-resource a { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: #c8cbd2; text-decoration: none; padding: 16px 0; border-bottom: 1px solid #ffffff12; font-size: 15px; line-height: 1.6; }
.site-resource a:hover { color: #efbf99; }
.site-resource a span { color: #bb9272; }
.site-about { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 56px; }
.site-about > img { width: 100%; height: auto; border-radius: 16px; border: 1px solid #353535; }
.site-contact-link { color: #efbf99; display: inline-block; margin-top: 12px; font-size: 16px; text-underline-offset: 5px; }
.site-footer { margin: 0 6vw; padding: 30px 0 48px; border-top: 1px solid #292b30; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; color: #92959e; font-size: 14px; line-height: 1.8; }
.site-footer p { margin: 0; }
.site-back-top { position: fixed; right: max(20px, env(safe-area-inset-right)); bottom: max(24px, env(safe-area-inset-bottom)); z-index: 46; display: grid; place-items: center; width: 48px; height: 48px; padding: 0; border: 1px solid #ff8c43; border-radius: 50%; background: var(--accent); color: #141414; box-shadow: 0 6px 24px #0005; cursor: pointer; }
.site-back-top[hidden] { display: none; }
.site-back-top svg { width: 24px; height: 24px; }
.site-back-top:hover { background: #ff8537; }
.site-back-top:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
.site-contact-dock { position: fixed; right: max(20px, env(safe-area-inset-right)); top: 50%; transform: translateY(-50%); z-index: 45; display: flex; flex-direction: column; gap: 3px; padding: 5px; border: 1px solid #8196af30; border-radius: 17px; background: linear-gradient(150deg, #202c39, #131b25); box-shadow: 0 12px 36px #0006; }
.site-contact-dock button { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-width: 62px; min-height: 66px; background: transparent; color: #c9c9cd; border: 0; border-radius: 11px; padding: 9px 6px; font: inherit; font-size: 11px; cursor: pointer; transition: color 180ms ease, background-color 180ms ease; }
.site-contact-dock svg { width: 22px; height: 22px; }
.site-contact-dock button:hover, .site-contact-dock button:focus-visible { color: var(--accent); background: #ff690812; }
.site-dialog { width: min(440px, calc(100% - 32px)); max-height: calc(100svh - 48px); overflow-y: auto; padding: 36px 30px 28px; border: 1px solid #69503d; border-radius: 20px; color: #eeece8; background: #141416; text-align: center; }
.site-dialog::backdrop { background: rgb(0 0 0 / 75%); backdrop-filter: blur(8px); }
.site-dialog[open] { animation: site-dialog-enter 220ms ease-out; }
.site-dialog h2 { font-size: 24px; padding: 0 16px; margin: 4px 0 24px; }
.site-dialog img { display: block; width: min(256px, 100%); height: auto; margin: 0 auto; border-radius: 8px; }
.site-dialog p, .site-dialog li { font-size: 15px; line-height: 1.8; color: #b7b7bf; }
.site-dialog ol { text-align: left; padding-left: 24px; }
.site-dialog strong { color: #efbf99; }
.site-dialog-close { position: absolute; right: 10px; top: 8px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: transparent; color: #ccc; font-size: 28px; cursor: pointer; }
.site-dialog.is-payment { --payment-accent: #e3d1ad; width: min(460px, calc(100% - 32px)); padding: 28px; border-color: #ffffff24; border-radius: 18px; background: #141619; box-shadow: 0 24px 80px #0008; }
.site-dialog.is-payment[data-plan="enterprise"] { --payment-accent: #c6d7ee; }
.site-dialog.is-payment h2 { font-size: 22px; margin: 0 24px 20px; }
.payment-summary { display: grid; grid-template-columns: 1fr auto; text-align: left; align-items: center; gap: 6px 16px; padding: 14px 18px; margin-bottom: 20px; border: 1px solid #ffffff12; border-radius: 12px; background: #ffffff04; }
.payment-summary[hidden] { display: none; }
.payment-summary > span { grid-column: 1; color: #939aa5; font-size: 12px; }
.payment-summary > strong { grid-column: 1; color: #f1f1f3; font-size: 18px; }
.site-dialog .payment-summary p { grid-column: 2; grid-row: 1 / 3; margin: 0; color: var(--payment-accent); font-size: 22px; font-weight: 600; }
.site-dialog.is-payment img { width: min(220px, 100%); border: 10px solid #fff; border-radius: 12px; }
.site-dialog.is-payment #site-dialog-hint { font-size: 13px; margin: 14px 0 20px; }
.site-dialog.is-payment ol { margin: 0; padding: 16px 0 16px 22px; border-top: 1px solid #ffffff12; }
.site-dialog.is-payment li { padding-left: 4px; margin-bottom: 6px; font-size: 13px; line-height: 1.7; }
.site-dialog.is-payment li::marker { color: var(--payment-accent); }
.payment-contact { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: #ffffff06; border-radius: 10px; font-size: 14px; }
.payment-contact > span { color: #aeb4be; }
.site-dialog .payment-contact strong { color: var(--payment-accent); letter-spacing: .04em; }
body.site-modal-open { overflow: hidden; }
.site-header :focus-visible, .site-section :focus-visible, .site-contact-dock :focus-visible, .site-dialog :focus-visible { outline: 2px solid #e7b58b; outline-offset: 4px; }
@keyframes site-dialog-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 1050px) {
  .site-header { min-height: 64px; }
  .site-menu-button { display: flex; gap: 12px; align-items: center; border: 1px solid #3a3c42; background: #15161a; border-radius: 8px; color: #eee; padding: 10px 14px; font: inherit; font-size: 14px; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 18px 5vw; background: #0e0f12; border-bottom: 1px solid #353535; grid-template-columns: 1fr 1fr; gap: 4px 20px; max-height: calc(100svh - 70px); overflow-y: auto; }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 14px; }
  .site-download-grid { grid-template-columns: 1fr; }
  .site-about { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 680px) {
  .site-plan-grid { grid-template-columns: 1fr; width: 100%; }
  .site-section { padding: 64px 6vw; }
  .site-section-heading { margin-bottom: 32px; }
  .site-brand { font-size: 18px; }
  .site-brand img { width: 30px; height: 30px; }
  .site-contact-dock { right: max(8px, env(safe-area-inset-right)); padding: 3px; gap: 0; border-radius: 15px; }
  .site-contact-dock button { min-width: 48px; min-height: 60px; padding: 8px 4px; font-size: 10px; gap: 5px; }
  .site-contact-dock svg { width: 20px; height: 20px; }
  .site-footer { flex-direction: column; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) { .site-dialog[open] { animation: none; } }
@media (max-width: 768px) {
  .site-contact-dock { position: fixed; left: auto; right: max(4px, env(safe-area-inset-right)); top: auto; bottom: max(12px, env(safe-area-inset-bottom)); transform: none; flex-direction: column; width: fit-content; margin: 0; padding: 2px; gap: 0; border-radius: 12px; }
  .site-contact-dock button { min-width: 40px; min-height: 44px; padding: 5px 2px; font-size: 9px; gap: 3px; border-radius: 8px; }
  .site-contact-dock svg { width: 17px; height: 17px; }
  .site-back-top { right: max(5px, env(safe-area-inset-right)); bottom: calc(max(12px, env(safe-area-inset-bottom)) + 148px); width: 44px; height: 44px; }
  .site-footer { font-size: clamp(11px, 3vw, 14px); }
  .site-copyright-rights { display: block; }
  body:has(#hero) .site-footer { padding-inline: 0; text-align: center; }
  body:has(#hero) .site-footer p { min-width: 0; overflow-wrap: anywhere; }
}

.site-page > #versions, .site-page > #about { padding-top: clamp(44px, 6vw, 80px); }

.about-page > #about {
  display: flex;
  align-items: center;
  max-width: 1600px;
  min-height: calc(100svh - 70px);
  padding: clamp(48px, 7vw, 100px) 6vw;
}
.about-page #about > div {
  width: 52%;
  max-width: 680px;
}
.about-page #about p {
  color: #e0e7f0;
  text-shadow: 0 2px 8px #0008;
  font-size: clamp(17px, 1.2vw, 20px);
  line-height: 1.95;
}

body.about-site {
  background: #020b16;
  isolation: isolate;
}
.about-site::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(90deg, #020b16b8 0%, #020b1670 48%, #020b161a 100%), url("/assets/images/about-background.png") center / cover no-repeat;
}
.about-site .about-page {
  background: transparent;
}
.about-site .site-header, .about-site .site-header.is-past-hero {
  background: transparent;
  border-bottom-color: transparent;
}
.about-site .site-footer {
  background: transparent;
  border-top-color: transparent;
}
@media (max-width: 768px) {
  .about-page #about > div {
    width: 100%;
  }
  .about-site::before {
    inset: 0 0 auto;
    height: 100vh;
    height: 100lvh;
    background-image: linear-gradient(#020b16b8, #020b16b8), url("/assets/images/about-background.png");
    background-position: 60% center;
    transform: translateZ(0);
    backface-visibility: hidden;
    will-change: transform;
  }
}

@media (min-width: 769px) { .about-site #about > div { margin-left: clamp(24px, 3vw, 64px); } }