:root {
  --archive-base: #111313;
  --archive-surface: #191b1d;
  --archive-type: #edeae4;
  --archive-subtle: #afb3af;
  --archive-stroke: #aab6ae30;
  --archive-purple: #ba9cdb;
  --archive-jade: #a0cbbb;
  --archive-space: clamp(20px, 4vw, 56px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 25px; }
body {
  margin: 0;
  background: var(--archive-base);
  color: var(--archive-type);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.9;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul, ol { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--archive-jade); outline-offset: 5px; }
::selection { background: #664f77; color: #fff; }

/* 滚动显现动画特效 */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.reveal.reveal-visible { opacity: 1; transform: translateY(0); }

.archive-skip { position: absolute; inset: -80px auto auto 20px; padding: 10px 15px; background: var(--archive-type); color: #111; z-index: 20; }
.archive-skip:focus { top: 12px; }
.archive-boundary { width: min(1256px, calc(100% - 48px)); margin-inline: auto; }
.archive-header { padding-top: 20px; }
.archive-header-line { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 68px; border-bottom: 1px solid var(--archive-stroke); }
.archive-identity { display: inline-flex; align-items: center; gap: 12px; }
.archive-logo { display: block; width: 48px; height: 48px; object-fit: contain; border-radius: 10px; flex-shrink: 0; }
.archive-identity strong { font-size: 22px; font-weight: 650; letter-spacing: 3px; }
.archive-identity small { font-size: 8px; color: #97a49c; letter-spacing: 1.7px; padding-left: 7px; }
.archive-header-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 27px; }
.archive-header-nav a { display: inline-flex; min-height: 46px; align-items: center; color: #bec4be; font-size: 11px; }
.archive-header-nav a:hover { color: var(--archive-jade); }
.archive-header-nav a:last-child { color: #d6c1e9; }
.archive-menu-switch { display: none; border: 1px solid var(--archive-stroke); background: transparent; padding: 9px 14px; min-height: 44px; font-size: 12px; }
.archive-cover { isolation: isolate; position: relative; padding: 30px var(--archive-space) 38px; margin-top: 22px; overflow: hidden; background: #181a1a; border: 1px solid var(--archive-stroke); }
.archive-cover::before { content: ""; position: absolute; inset: 0; z-index: -2; pointer-events: none; background: linear-gradient(110deg, #1b1d1d 35%, #292331 78%, #242d29); }
.archive-cover::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .35; background-image: linear-gradient(#dce9df0b 1px, transparent 1px), linear-gradient(90deg, #dce9df0b 1px, transparent 1px); background-size: 53px 53px; }
.archive-cover-meta { display: flex; justify-content: space-between; gap: 25px; color: #a6b5ab; font: 10px/1.8 ui-monospace, monospace; letter-spacing: 1.7px; }
.archive-cover-meta span:last-child { color: #a99bb7; }
.archive-cover h1 { position: relative; z-index: 2; max-width: 820px; margin-top: 52px; font-size: clamp(30px, 4.5vw, 61px); line-height: 1.38; letter-spacing: -1.7px; font-weight: 600; }
.archive-cover h1 span { display: block; }
.archive-cover h1 .archive-product-name { color: var(--archive-jade); font-size: 16px; font-weight: 500; letter-spacing: 2px; margin-bottom: 18px; }
.archive-cover h1 .archive-subject { color: #cdb5e1; }
.archive-cover-lower { display: grid; grid-template-columns: 1fr auto; gap: 45px; align-items: end; position: relative; z-index: 2; margin-top: 30px; }
.archive-cover-copy { max-width: 510px; color: #b6beb7; font-size: 13px; line-height: 2; }

/* 二维码组合下载组件 */
.archive-action-pair { display: flex; flex-wrap: wrap; gap: 15px; }
.dl-wrapper { display: flex; align-items: center; gap: 12px; }
.dl-qr { width: 62px; height: 62px; padding: 4px; background: #fff; border-radius: 8px; border: 1px solid var(--archive-stroke); flex-shrink: 0; }
.archive-download-link { display: inline-flex; flex-direction: column; justify-content: center; min-width: 158px; min-height: 65px; padding: 10px 21px; background: var(--archive-jade); border: 1px solid var(--archive-jade); color: #192820; border-radius: 32px 4px 4px 32px; }
.archive-download-link.ios-style { background: #d2bce4; color: #31243a; border-color: #d2bce4; border-radius: 4px 32px 32px 4px; }
.archive-download-link strong { font-size: 14px; font-weight: 650; }
.archive-download-link:hover { filter: brightness(1.1); }

.archive-fold { position: absolute; width: 330px; height: 310px; top: 64px; right: -3px; opacity: .6; pointer-events: none; z-index: -1; }
.archive-fold i { position: absolute; inset: 0; clip-path: polygon(10% 32%, 68% 0, 89% 65%, 30% 100%); background: linear-gradient(140deg, #a8ceb754, #6b857218 48%, #a2c3ae9e); }
.archive-fold i:nth-child(2) { transform: translate(-40px, 10px) scale(.78); background: linear-gradient(50deg, #9d7fb060, #b5a1c6af); }
.archive-fold i:nth-child(3) { clip-path: polygon(10% 32%, 68% 0, 55% 45%, 30% 100%); background: #d5c2e240; }
.archive-cover-index { display: flex; gap: 22px; flex-wrap: wrap; border-top: 1px solid #b3c2b82b; margin-top: 35px; padding-top: 16px; color: #94a49a; font-size: 9px; letter-spacing: 1px; }
.archive-cover-index a { display: inline-flex; align-items: center; min-height: 32px; }
.archive-intro { display: grid; grid-template-columns: 1fr 1.5fr; gap: 65px; padding: 63px var(--archive-space); }
.archive-category { display: inline-block; font: 9px/1.5 ui-monospace, monospace; letter-spacing: 1.5px; color: var(--archive-jade); margin-bottom: 15px; }
.archive-heading { font-size: 28px; font-weight: 550; line-height: 1.6; letter-spacing: -.4px; }
.archive-intro-text { font-size: 13px; color: var(--archive-subtle); line-height: 2.05; }
.archive-intro-text p + p { margin-top: 15px; }
.archive-source { margin-top: 18px; font-size: 10px; color: #99ab9e; }
.archive-source a { text-decoration: underline; text-underline-offset: 4px; }
.archive-function-section { padding: 0 var(--archive-space) 64px; }
.archive-heading-bar { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.archive-heading-bar > p { max-width: 290px; color: #9ca9a0; font-size: 11px; }
.archive-file-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 15px; align-items: start; }
.archive-file { position: relative; min-width: 0; padding: 27px; border: 1px solid var(--archive-stroke); border-radius: 2px 20px 2px 2px; background: #1c201e; grid-column: span 4; }
.archive-file::before { content: ""; display: block; width: 32px; height: 3px; background: var(--archive-jade); margin-bottom: 22px; }
.archive-file h3 { font-size: 16px; font-weight: 550; margin-bottom: 10px; }
.archive-file p { font-size: 12px; line-height: 2; color: #b6beb8; }
.archive-file:first-child { grid-column: span 7; background: linear-gradient(120deg, #2d2536, #241f2c); }
.archive-file:first-child::before, .archive-file:nth-child(4)::before { background: var(--archive-purple); }
.archive-file:nth-child(2) { grid-column: span 5; margin-top: 25px; }
.archive-file:nth-child(3) { margin-top: -14px; }
.archive-file:nth-child(4) { background: #24202c; margin-top: 14px; }
.archive-file:last-child { grid-column: 1 / -1; display: flex; gap: 30px; align-items: baseline; padding-block: 23px; background: transparent; border-left: 3px solid #a2c9b5; }
.archive-file:last-child::before { display: none; }
.archive-file:last-child h3 { white-space: nowrap; margin: 0; }
.archive-guide-section { background: #171a18; border-block: 1px solid var(--archive-stroke); padding: 46px var(--archive-space); }
.archive-guide-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 35px 60px; }
.archive-guide-layout > header { grid-column: 1 / -1; max-width: 800px; }
.archive-guide-article { border-top: 1px solid #a7bdad4d; padding-top: 19px; }
.archive-guide-article h3 { font-size: 15px; font-weight: 550; margin-bottom: 12px; color: #d1dfd5; }
.archive-guide-article p { font-size: 12px; line-height: 2; color: #b2bdb5; }
.archive-guide-aside { grid-column: 1 / -1; font-size: 11px; color: #a1b4a7; border-left: 1px solid var(--archive-jade); padding-left: 15px; }
.archive-installer { margin: 62px 0; display: grid; grid-template-columns: .95fr 1.05fr; position: relative; border: 1px solid #bba2ce4d; background: #211c29; }
.archive-installer-intro { padding: 38px var(--archive-space); border-right: 1px dashed #ad94bf4a; display: flex; flex-direction: column; justify-content: space-between; gap: 28px; }
.archive-installer .archive-category { color: #c3a5dc; }
.archive-installer-intro > p { color: #bba9cb; font-size: 11px; }
.archive-installer-controls { padding: 38px; }
.archive-install-steps { display: grid; gap: 17px; padding-left: 20px; margin-top: 26px; font-size: 12px; color: #c5b6d0; }
.archive-install-steps strong { font-weight: 550; color: #e5d7ee; }
.archive-config-state { margin-top: 20px; padding-top: 17px; border-top: 1px solid #ad94bf32; font-size: 11px; color: #c8b4d9; }
.archive-covenant { padding: 0 var(--archive-space) 60px; }
.archive-covenant-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.archive-covenant-grid article { padding-top: 18px; border-top: 1px solid #a7bdad4d; }
.archive-covenant-grid h3 { font-size: 15px; font-weight: 550; margin-bottom: 11px; }
.archive-covenant-grid p { font-size: 12px; color: var(--archive-subtle); line-height: 2; }
.archive-faq-section { padding: 43px var(--archive-space) 54px; border-top: 1px solid var(--archive-stroke); background: #151716; }
.archive-faq-heading { margin-bottom: 25px; }
.archive-faq-columns { columns: 2; column-gap: 35px; }
.archive-faq { break-inside: avoid; border-top: 1px solid var(--archive-stroke); margin-bottom: 8px; }
.archive-faq summary { padding: 18px 4px; cursor: pointer; font-size: 13px; list-style-position: inside; color: #d8ded9; }
.archive-faq summary::marker { color: var(--archive-purple); font-size: 10px; }
.archive-faq p { font-size: 12px; color: #aeb9b0; padding: 0 5px 19px 17px; line-height: 2; }
.archive-faq a { text-decoration: underline; text-underline-offset: 3px; }
.archive-footer { padding: 35px 0 22px; }
.archive-footer-content { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; padding-bottom: 25px; }
.archive-footer-brand { font-size: 23px; letter-spacing: 4px; font-weight: 550; }
.archive-footer-description { margin-top: 8px; max-width: 360px; color: #9daa9f; font-size: 11px; }
.archive-footer-links { display: flex; justify-content: end; align-items: start; flex-wrap: wrap; gap: 10px 25px; }
.archive-footer-links a { min-height: 44px; display: inline-flex; align-items: center; font-size: 11px; color: #bac8be; }
.archive-footer-base { display: flex; justify-content: space-between; gap: 25px; border-top: 1px solid var(--archive-stroke); padding-top: 16px; color: #94a096; font-size: 10px; }
.archive-handset-dock { display: none; }

@media (min-width: 1500px) { .archive-cover { padding-block: 40px; } .archive-cover h1 { margin-top: 70px; } }
@media (max-width: 1000px) {
  .archive-header-nav { gap: 14px; }
  .archive-identity small { display: none; }
  .archive-cover-lower { grid-template-columns: 1fr; gap: 25px; }
  .archive-cover h1 { max-width: 650px; }
  .archive-fold { right: -65px; opacity: .35; }
  .archive-intro { gap: 35px; grid-template-columns: 1fr 1.3fr; }
  .archive-installer { grid-template-columns: 1fr; }
  .archive-installer-intro { border-right: 0; border-bottom: 1px dashed #ad94bf4a; gap: 15px; }
  .archive-installer-controls { padding: 30px var(--archive-space); }
  .archive-guide-layout { gap: 28px; }
  .archive-heading { font-size: 25px; }
}
@media (max-width: 640px) {
  body { padding-bottom: calc(91px + env(safe-area-inset-bottom, 0px)); }
  .archive-boundary { width: calc(100% - 28px); }
  .archive-header { padding-top: 8px; }
  .archive-header-line { min-height: 67px; flex-wrap: wrap; gap: 0; padding-block: 11px; }
  .archive-identity strong { font-size: 20px; }
  .archive-logo { width: 42px; height: 42px; border-radius: 8px; }
  .archive-menu-switch { display: block; }
  .archive-header-nav { display: none; width: 100%; padding-top: 13px; }
  .archive-header-nav[data-open="true"] { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
  .archive-header-nav a { border-top: 1px solid var(--archive-stroke); min-height: 46px; font-size: 12px; }
  .archive-cover { margin-top: 13px; padding: 23px 20px 15px; }
  .archive-cover-meta { font-size: 8px; letter-spacing: 1px; gap: 8px; }
  .archive-cover-meta span:last-child { text-align: right; }
  .archive-cover h1 { font-size: clamp(30px, 8.3vw, 45px); letter-spacing: -1px; margin-top: 40px; line-height: 1.5; }
  .archive-cover h1 .archive-product-name { font-size: 14px; letter-spacing: 1px; margin-bottom: 13px; }
  .archive-cover-lower { margin-top: 22px; gap: 24px; }
  .archive-cover-copy { font-size: 12px; }
  
  /* 移动端调整二维码布局 */
  .archive-action-pair { gap: 15px; flex-wrap: wrap; justify-content: center; }
  .dl-wrapper { width: 100%; justify-content: center; }
  .archive-download-link { min-width: 0; flex: 1; padding: 10px 15px; min-height: 62px; }
  .archive-download-link strong { font-size: 12px; }
  
  .archive-fold { width: 210px; height: 240px; top: 55px; right: -72px; opacity: .32; }
  .archive-cover-index { gap: 6px 17px; font-size: 8px; margin-top: 24px; padding-top: 12px; }
  .archive-intro { padding: 38px 8px; grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .archive-category { font-size: 8px; margin-bottom: 12px; }
  .archive-heading { font-size: 24px; line-height: 1.6; letter-spacing: -.4px; }
  .archive-intro-text { font-size: 12px; }
  .archive-source { font-size: 10px; }
  .archive-function-section { padding: 0 8px 38px; }
  .archive-heading-bar { display: block; margin-bottom: 22px; }
  .archive-heading-bar > p { max-width: none; margin-top: 13px; font-size: 11px; }
  .archive-file-grid { display: flex; flex-direction: column; gap: 12px; }
  .archive-file, .archive-file:first-child, .archive-file:nth-child(2), .archive-file:nth-child(3), .archive-file:nth-child(4), .archive-file:last-child { width: 100%; margin: 0; padding: 23px; }
  .archive-file:last-child { display: block; }
  .archive-file:last-child h3 { white-space: normal; margin-bottom: 10px; }
  .archive-file::before { margin-bottom: 16px; }
  .archive-file h3 { font-size: 15px; }
  .archive-guide-section { padding: 32px 22px; }
  .archive-guide-layout { grid-template-columns: minmax(0, 1fr); gap: 23px; }
  .archive-guide-layout > header, .archive-guide-aside { grid-column: auto; }
  .archive-guide-article { padding-top: 16px; }
  .archive-installer { margin-block: 36px; }
  .archive-installer-intro { padding: 28px 22px; }
  .archive-installer-controls { padding: 25px 22px; }
  .archive-install-steps { font-size: 12px; gap: 14px; padding-left: 16px; margin-top: 23px; }
  .archive-config-state { font-size: 10px; }
  .archive-covenant { padding: 0 8px 36px; }
  .archive-covenant-grid { grid-template-columns: minmax(0, 1fr); gap: 23px; margin-top: 23px; }
  .archive-faq-section { padding: 32px 22px; }
  .archive-faq-columns { columns: auto; }
  .archive-faq summary { font-size: 12px; min-height: 54px; }
  .archive-footer { padding-top: 27px; }
  .archive-footer-content { grid-template-columns: minmax(0, 1fr); gap: 18px; padding-inline: 8px; }
  .archive-footer-links { justify-content: start; gap: 5px 25px; }
  .archive-footer-base { flex-direction: column; gap: 8px; padding-inline: 8px; font-size: 9px; }
  .archive-handset-dock { display: flex; position: fixed; z-index: 8; inset: auto 0 0; gap: 8px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px)); background: #131815; border-top: 1px solid #b3c2b84d; }
  .archive-handset-dock .archive-download-link { min-height: 57px; flex: 1; border-radius: 4px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }