*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dd,details,summary{margin:0;padding:0}
ul,ol{list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}

:root{
  --ink:#07120D;
  --pitch:#0F3D2E;
  --brand:#1FA97A;
  --paper:#E8F5EE;
  --white:#FFFFFF;
  --red:#D8232A;
  --yellow:#F2C230;
  --navy:#16233A;
  --muted:#566B60;
  --mint:#9BE7C4;
  --line:rgba(232,245,238,.14);
  --line-strong:rgba(232,245,238,.28);
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --gap:16px;
  --pad-x:clamp(18px,3.4vw,48px);
  --head-h:64px;
  --axis-w:188px;
  --ease:cubic-bezier(.22,.72,.24,1);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

body{
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.65;
  font-weight:400;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 560px at 94% -8%,rgba(31,169,122,.16),transparent 62%),
    radial-gradient(700px 420px at -6% 42%,rgba(22,35,58,.55),transparent 70%),
    repeating-linear-gradient(90deg,rgba(232,245,238,.032) 0 1px,transparent 1px 96px);
  background-attachment:fixed;
  padding-top:var(--head-h);
  padding-left:var(--axis-w);
  min-height:100vh;
}

h1,h2{font-weight:900;line-height:1.06;letter-spacing:-.025em;transform:skewX(-3deg);transform-origin:0 100%}
h1{font-size:clamp(38px,5.8vw,72px)}
h2{font-size:clamp(25px,3.2vw,36px)}
h3{font-weight:900;font-size:clamp(18px,2vw,22px);line-height:1.25;letter-spacing:-.01em}
p{max-width:70ch}
strong{font-weight:700}

:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:8px}

.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em}
.eyebrow{display:inline-block;font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mint)}
.lead{font-size:clamp(16.5px,1.5vw,20px);line-height:1.6;color:rgba(232,245,238,.82);max-width:62ch}
.side-note{writing-mode:vertical-rl;font-size:12px;letter-spacing:.18em;color:var(--muted)}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;left:12px;top:12px;z-index:200;
  display:inline-block;padding:11px 20px;border-radius:999px;
  background:var(--mint);color:var(--ink);font-size:14px;font-weight:700;
  transform:translateY(-180%);transition:transform .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:none}

/* ---------- 框架式头部 ---------- */
.site-head{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(7,18,13,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-head__frame{position:relative}
.site-head__bar{
  display:flex;align-items:center;gap:14px;
  height:var(--head-h);
  padding:0 clamp(14px,2.4vw,26px);
}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;flex:none}
.brand__mark{display:grid;place-items:center;width:36px;height:36px;flex:none;border-radius:12px;background:rgba(31,169,122,.1)}
.brand__name{font-weight:900;font-size:18px;letter-spacing:.01em;transform:skewX(-3deg)}
.brand__tag{
  font-size:11px;letter-spacing:.14em;color:rgba(232,245,238,.66);
  padding:3px 9px;border:1px solid var(--line);border-radius:999px;white-space:nowrap;
}
.quick-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.quick-nav__link{
  font-size:13.5px;font-weight:700;padding:8px 14px;border-radius:999px;
  border:1px solid var(--line);color:rgba(232,245,238,.88);white-space:nowrap;
  transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.quick-nav__link:hover{background:rgba(31,169,122,.16);border-color:rgba(31,169,122,.6);color:var(--mint)}
.nav-toggle{
  display:none;align-items:center;gap:9px;margin-left:auto;
  padding:9px 15px;border:1px solid var(--line-strong);border-radius:999px;
  font-size:13.5px;font-weight:700;cursor:pointer;color:var(--paper);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--mint);color:var(--mint)}
.nav-toggle__bars{position:relative;width:16px;height:2px;border-radius:2px;background:var(--mint);box-shadow:0 -5px 0 var(--mint),0 5px 0 var(--mint);transition:background .18s var(--ease),box-shadow .18s var(--ease)}
.site-head[data-open] .nav-toggle__bars{background:transparent;box-shadow:none}
.site-head[data-open] .nav-toggle__bars::before,
.site-head[data-open] .nav-toggle__bars::after{content:"";position:absolute;left:0;top:0;width:16px;height:2px;border-radius:2px;background:var(--yellow)}
.site-head[data-open] .nav-toggle__bars::before{transform:rotate(45deg)}
.site-head[data-open] .nav-toggle__bars::after{transform:rotate(-45deg)}

.site-head__axis{
  position:fixed;top:var(--head-h);left:0;bottom:0;width:var(--axis-w);z-index:85;
  display:flex;flex-direction:column;
  padding:24px 14px 20px;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,rgba(15,61,46,.72),rgba(7,18,13,.95) 62%);
  overflow-y:auto;overscroll-behavior:contain;
}
.site-head__axis::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:132px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--yellow) 0 50%,var(--red) 50% 100%);
}
.site-nav{display:flex;flex-direction:column;flex:1;gap:6px}
.site-nav__list{display:flex;flex-direction:column;gap:4px}
.site-nav__list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:700;color:rgba(232,245,238,.82);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.site-nav__list a:hover{background:rgba(31,169,122,.15);color:var(--paper)}
.site-nav__list a[aria-current="page"]{background:var(--brand);color:#04120C;border-color:rgba(155,231,196,.65)}
.site-nav__idx{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--mint);opacity:.9}
.site-nav__list a[aria-current="page"] .site-nav__idx{color:rgba(4,18,12,.7);opacity:1}
.site-nav__label{font-size:15px;letter-spacing:.02em}
.site-nav__note{
  writing-mode:vertical-rl;margin-top:auto;padding-top:26px;
  font-size:12px;letter-spacing:.18em;color:var(--muted);
}
.site-meter{
  position:absolute;left:0;bottom:0;width:100%;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--brand),var(--mint) 55%,var(--yellow));
  transition:transform .12s linear;pointer-events:none;
}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  background:linear-gradient(180deg,#0B2A20 0%,#081A12 46%,var(--ink) 100%);
  border-top:1px solid var(--line-strong);
  padding:clamp(40px,5.5vw,72px) var(--pad-x) 28px;
  overflow:hidden;
}
.site-foot__stripe{
  position:absolute;top:0;left:0;width:min(260px,42%);height:3px;
  background:linear-gradient(90deg,var(--red) 0 46%,var(--yellow) 46% 100%);
}
.site-foot__inner{width:100%;max-width:1180px;margin:0 auto}
.site-foot__grid{
  display:grid;grid-template-columns:1.25fr .8fr .8fr 1.15fr;
  gap:clamp(24px,3vw,40px);
  padding-bottom:clamp(26px,3.6vw,42px);
  border-bottom:1px solid var(--line);
}
.foot-brand__name{font-weight:900;font-size:21px;letter-spacing:.01em;transform:skewX(-3deg);margin-bottom:10px}
.foot-brand__note{font-size:14.5px;line-height:1.7;color:rgba(232,245,238,.7);max-width:28ch;margin-bottom:18px}
.foot-col__title{
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mint);
  margin-bottom:14px;padding-top:12px;position:relative;
}
.foot-col__title::before{content:"";position:absolute;top:0;left:0;width:22px;height:2px;border-radius:2px;background:var(--yellow)}
.foot-links{display:flex;flex-direction:column;gap:2px}
.foot-links a{
  display:inline-block;padding:5px 0;font-size:14.5px;color:rgba(232,245,238,.8);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.foot-links a:hover{color:var(--mint);transform:translateX(3px)}
.foot-contact{display:flex;flex-direction:column;gap:12px}
.foot-contact__item{display:grid;gap:2px}
.foot-contact__key{font-size:11px;letter-spacing:.14em;color:var(--muted)}
.foot-contact__value{font-size:14px;color:rgba(232,245,238,.88);line-height:1.5;overflow-wrap:anywhere}

.version-bar{
  margin-top:clamp(22px,3vw,34px);
  border:1px solid var(--line-strong);border-radius:20px;
  background:rgba(232,245,238,.05);overflow:hidden;
}
.version-bar__summary{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  min-height:56px;padding:14px 20px;cursor:pointer;
  font-size:15px;font-weight:700;list-style:none;
}
.version-bar__summary::-webkit-details-marker{display:none}
.version-bar__summary::after{content:"+";margin-left:auto;font-family:var(--font-mono);font-size:18px;color:var(--mint);line-height:1}
.version-bar[open] .version-bar__summary::after{content:"–"}
.version-bar__hint{font-size:12px;font-weight:400;letter-spacing:.12em;color:var(--muted)}
.version-bar__body{display:grid;gap:6px;padding:0 16px 16px}
.version-bar__row{
  display:grid;grid-template-columns:1.2fr .7fr 1.1fr .8fr;
  gap:10px;align-items:center;
  padding:10px 12px;border-radius:12px;
  background:rgba(232,245,238,.06);font-size:14px;
}
.version-bar__row--head{background:none;font-size:11.5px;letter-spacing:.12em;color:var(--muted);padding-bottom:2px}
.version-bar__name{font-weight:700;color:var(--paper)}

.site-foot__meta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 24px;padding-top:22px;
}
.foot-meta__copy{font-size:12.5px;color:rgba(232,245,238,.6)}
.foot-legal{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12.5px}
.foot-legal a{color:rgba(232,245,238,.74);border-bottom:1px solid rgba(232,245,238,.22);padding-bottom:1px;transition:color .18s var(--ease),border-color .18s var(--ease)}
.foot-legal a:hover{color:var(--mint);border-color:var(--mint)}

.feedback-fab{
  position:fixed;right:16px;bottom:16px;z-index:75;
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 18px;border-radius:999px;
  background:var(--pitch);color:var(--paper);
  border:1px solid rgba(242,194,48,.55);
  box-shadow:0 14px 34px rgba(0,0,0,.48);
  font-size:14px;font-weight:700;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.feedback-fab:hover{background:var(--brand);color:#04120C;border-color:var(--mint);transform:translateY(-2px)}
.feedback-fab__dot{width:8px;height:8px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 3px rgba(242,194,48,.22)}

/* ---------- 通用布局与组件 ---------- */
.page-shell{
  width:100%;max-width:1180px;margin:0 auto;
  padding:clamp(24px,3.4vw,52px) var(--pad-x) clamp(56px,7vw,104px);
}
.section{padding-block:clamp(26px,3.6vw,44px)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 20px;margin-bottom:20px}
.section-head__eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mint);width:100%}
.section-head__title{max-width:24ch}
.section-head__link{margin-left:auto;font-size:13.5px;font-weight:700;color:var(--mint);border-bottom:1px solid rgba(155,231,196,.45);padding-bottom:2px}

.breadcrumb{margin-bottom:clamp(16px,2.4vw,26px)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:12.5px;letter-spacing:.06em;color:rgba(232,245,238,.6)}
.breadcrumb li{display:flex;align-items:center;gap:10px}
.breadcrumb li+li::before{content:"/";color:var(--muted)}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb [aria-current="page"]{color:var(--paper)}

.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.bento>*{grid-column:span 12}
@media (min-width:720px){
  .bento .span-3{grid-column:span 3}
  .bento .span-4{grid-column:span 4}
  .bento .span-5{grid-column:span 5}
  .bento .span-6{grid-column:span 6}
  .bento .span-7{grid-column:span 7}
  .bento .span-8{grid-column:span 8}
  .bento .span-9{grid-column:span 9}
}

.card{
  position:relative;
  background:linear-gradient(160deg,rgba(15,61,46,.92),rgba(9,28,20,.96));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(18px,2.2vw,26px);
  overflow:hidden;
}
.card--paper{background:var(--paper);color:var(--ink);border-color:rgba(7,18,13,.14)}
.card--white{background:var(--white);color:var(--ink);border-color:rgba(7,18,13,.14)}
.card--ink{background:#0A1A13}
.card--edge{border-color:rgba(31,169,122,.6)}
.card--rail::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(180deg,var(--yellow),var(--red))}
.card__title{font-weight:900;font-size:clamp(18px,2vw,22px);line-height:1.25;letter-spacing:-.01em;transform:skewX(-2deg);margin-bottom:8px}
.card__meta{font-size:12px;letter-spacing:.1em;color:rgba(232,245,238,.55);font-family:var(--font-mono)}
.card--paper .card__meta,.card--white .card__meta{color:var(--muted)}
.card--paper .tag--ghost,.card--white .tag--ghost{border-color:rgba(7,18,13,.2);color:var(--muted)}
.card--paper a,.card--white a{color:#0B5E45}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn--brand{background:var(--brand);color:#04120C}
.btn--brand:hover{background:var(--mint);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line-strong);color:var(--paper)}
.btn--ghost:hover{border-color:var(--brand);color:var(--mint)}
.btn--ink{background:var(--ink);color:var(--paper)}
.btn--ink:hover{background:var(--pitch)}
.btn--sm{min-height:38px;padding:10px 18px;font-size:13.5px}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
  border:1px solid transparent;
}
.tag--red{background:var(--red);color:#FFFFFF}
.tag--yellow{background:var(--yellow);color:var(--navy)}
.tag--green{background:rgba(31,169,122,.18);color:var(--mint);border-color:rgba(31,169,122,.6)}
.card--paper .tag--green,.card--white .tag--green{color:#0B5E45;background:rgba(31,169,122,.16)}
.tag--ghost{border-color:var(--line-strong);color:rgba(232,245,238,.82)}

.stat{display:flex;flex-direction:column;gap:4px}
.stat__value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:clamp(26px,3.4vw,40px);font-weight:700;line-height:1;letter-spacing:-.02em}
.stat__label{font-size:12px;letter-spacing:.14em;color:rgba(232,245,238,.6)}
.card--paper .stat__label,.card--white .stat__label{color:var(--muted)}

.filter-bar{display:flex;flex-wrap:wrap;gap:8px}
.filter-btn{
  min-height:38px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line-strong);
  font-size:13.5px;font-weight:700;color:rgba(232,245,238,.82);cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.filter-btn:hover{border-color:var(--brand);color:var(--mint)}
.filter-btn[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:#04120C}
[data-filter-item]{transition:opacity .24s var(--ease),filter .24s var(--ease),transform .24s var(--ease)}
[data-filter-item].is-dimmed{opacity:.4;filter:grayscale(.5);transform:scale(.995)}

.media-frame{
  position:relative;overflow:hidden;isolation:isolate;
  border-radius:var(--r-lg);border:1px solid var(--line);aspect-ratio:16/10;
  background:
    radial-gradient(120% 90% at 18% 0%,rgba(31,169,122,.34),transparent 62%),
    repeating-linear-gradient(90deg,rgba(232,245,238,.1) 0 1px,transparent 1px 12.5%),
    linear-gradient(180deg,#0F3D2E,#07120D);
}
.media-frame>img,.media-frame>picture,.media-frame>picture>img{width:100%;height:100%;display:block}
.media-frame>img,.media-frame>picture>img{object-fit:cover}
.media-frame::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,transparent 55%,rgba(7,18,13,.6))}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame__caption{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
  font-size:12px;letter-spacing:.1em;color:rgba(232,245,238,.85);
}

.reveal-ready [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease)}
.reveal-ready [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  body{padding-left:0}
  .nav-toggle{display:inline-flex}
  .quick-nav{display:none}
  .site-head__axis{
    top:auto;left:10px;right:10px;bottom:10px;width:auto;
    max-height:min(72vh,520px);
    padding:16px;
    border:1px solid var(--line-strong);border-right:1px solid var(--line-strong);
    border-radius:26px;
    background:rgba(7,18,13,.97);
    box-shadow:0 24px 60px rgba(0,0,0,.6);
    opacity:0;visibility:hidden;pointer-events:none;
    transform:translateY(16px) scale(.98);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  }
  .site-head__axis::before{height:60px;border-radius:0 3px 0 0;top:0}
  .site-head[data-open] .site-head__axis{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .site-nav__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .site-nav__list a{justify-content:flex-start;background:rgba(232,245,238,.05);border-color:var(--line)}
  .site-nav__list a[aria-current="page"]{background:var(--brand)}
  .site-nav__note{
    writing-mode:horizontal-tb;margin-top:14px;padding-top:12px;
    border-top:1px solid var(--line);letter-spacing:.16em;
  }
  .site-foot__grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1 / -1}
  .foot-brand__note{max-width:44ch}
  .site-foot{padding-bottom:96px}
  .version-bar__row{grid-template-columns:1fr 1fr;gap:6px 12px}
  .version-bar__row--head{display:none}
}
@media (max-width:640px){
  :root{--head-h:58px}
  body{font-size:16px}
  .brand__tag{display:none}
  .brand__name{font-size:16.5px}
  .site-nav__list{grid-template-columns:1fr}
  .site-foot__grid{grid-template-columns:1fr;gap:26px}
  .site-foot__meta{flex-direction:column;align-items:flex-start}
  .feedback-fab{right:12px;bottom:12px;padding:11px 16px;font-size:13px}
  .section-head__link{margin-left:0}
}
@media (min-width:1024px) and (max-width:1180px){
  :root{--axis-w:170px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal-ready [data-reveal]{opacity:1 !important;transform:none !important}
  .feedback-fab:hover{transform:none}
  .foot-links a:hover{transform:none}
  [data-filter-item].is-dimmed{transform:none}
}