*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit}
:root{
--ink:#071A17;
--panel:#0E2A25;
--line:#21443D;
--paper:#F5F3EA;
--mist:#ABC8C0;
--cyan:#3AF2D0;
--gold:#EAB464;
--violet:#A99BFF;
--orange:#F08A5D;
--paper-soft:#D9D4C4;
--font-display:"Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
--font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC",sans-serif;
--font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular","Menlo",monospace;
--wrap:1200px;
--bar-h:64px;
--edge:1px solid var(--line);
--shadow:0 1px 0 rgba(245,243,234,.03),0 16px 34px -28px rgba(0,0,0,.95);
--ease:cubic-bezier(.2,.7,.3,1);
}
body{
padding-bottom:var(--bar-h);
background-color:var(--ink);
background-image:
radial-gradient(circle at 10% -8%,rgba(58,242,208,.07),transparent 42%),
radial-gradient(circle at 92% -4%,rgba(234,180,100,.05),transparent 38%),
linear-gradient(rgba(33,68,61,.16) 1px,transparent 1px),
linear-gradient(90deg,rgba(33,68,61,.16) 1px,transparent 1px);
background-size:auto,auto,64px 64px,64px 64px;
color:var(--paper);
font-family:var(--font-body);
font-size:16px;
line-height:1.75;
font-weight:400;
-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.18;letter-spacing:-.015em;color:var(--paper)}
h1{font-size:clamp(38px,6vw,68px)}
h2{font-size:clamp(26px,3.4vw,34px)}
h3{font-size:clamp(19px,2vw,23px)}
h4{font-size:17px;letter-spacing:.01em}
p{max-width:72ch}
strong{font-weight:800}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:1px}
.skip-link{
position:fixed;top:10px;left:10px;z-index:200;
transform:translateY(-180%);
padding:.7em 1.1em;border-radius:2px;
background:var(--cyan);color:#04120F;
font:700 13px/1 var(--font-body);letter-spacing:.06em;text-decoration:none;
transition:transform .18s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:none}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}
@media (min-width:768px){.wrap{width:min(var(--wrap),100% - 72px)}}
/* ---------- 通用排版组件 ---------- */
.section{padding-block:clamp(38px,6vw,80px)}
.section__head{display:grid;gap:12px;margin-bottom:clamp(22px,3vw,40px)}
.eyebrow{
display:inline-flex;align-items:center;gap:10px;
font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);flex:none}
.lede{font-size:clamp(15.5px,1.4vw,18px);line-height:1.85;color:var(--mist);max-width:68ch}
/* ---------- 按钮 ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:.6em;
padding:.82em 1.4em;border:1px solid var(--line);border-radius:2px;
background:var(--panel);color:var(--paper);
font-family:var(--font-body);font-size:14px;font-weight:700;letter-spacing:.05em;
text-decoration:none;transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{border-color:var(--mist)}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:#04120F}
.btn--primary:hover{background:#5df7db;border-color:#5df7db;color:#04120F}
.btn--ghost{background:transparent;color:var(--mist)}
.btn--ghost:hover{color:var(--paper);border-color:var(--paper)}
.btn--gold{background:rgba(234,180,100,.08);border-color:var(--gold);color:var(--gold)}
.btn--gold:hover{background:var(--gold);color:var(--ink)}
/* ---------- 标签 ---------- */
.tag{
display:inline-flex;align-items:center;gap:6px;
padding:3px 9px;border:1px solid var(--line);border-radius:2px;
background:rgba(7,26,23,.65);color:var(--mist);
font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
}
.tag--cyan{color:var(--cyan);border-color:rgba(58,242,208,.45);background:rgba(58,242,208,.08)}
.tag--violet{color:var(--violet);border-color:rgba(169,155,255,.45);background:rgba(169,155,255,.08)}
.tag--gold{color:var(--gold);border-color:rgba(234,180,100,.45);background:rgba(234,180,100,.08)}
.tag--orange{color:var(--orange);border-color:rgba(240,138,93,.45);background:rgba(240,138,93,.08)}
@keyframes tag-flash{0%{box-shadow:0 0 0 0 rgba(58,242,208,.4)}100%{box-shadow:0 0 0 10px rgba(58,242,208,0)}}
.tag--pulse{animation:tag-flash .95s var(--ease) 1}
/* ---------- 框景 / 卡片 ---------- */
.frame{position:relative;border:1px solid var(--line);border-radius:2px;background:rgba(14,42,37,.55)}
.frame::before,.frame::after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--cyan);opacity:.5;pointer-events:none}
.frame::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.frame::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.card{
position:relative;padding:clamp(18px,2.2vw,24px);
border:1px solid var(--line);border-radius:2px;
background:rgba(14,42,37,.55);box-shadow:var(--shadow);
transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.card:hover{border-color:rgba(58,242,208,.34);box-shadow:0 1px 0 rgba(245,243,234,.05),0 20px 40px -30px #000}
/* ---------- 记录条 ---------- */
.record{
display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px 18px;align-items:center;
padding:14px 18px;border:1px solid var(--line);border-left:2px solid var(--line);border-radius:2px;
background:rgba(14,42,37,.5);
}
.record--cyan{border-left-color:var(--cyan)}
.record--violet{border-left-color:var(--violet)}
.record--gold{border-left-color:var(--gold)}
.record__main{min-width:0}
.record__title{font-family:var(--font-display);font-weight:800;font-size:16px;letter-spacing:-.01em}
.record__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mist)}
@media (max-width:640px){.record{grid-template-columns:1fr;align-items:start}}
/* ---------- 索引轨道 ---------- */
.rail{position:sticky;top:150px;align-self:start}
.rail__title{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.rail__list{display:grid;gap:2px;border-left:1px solid var(--line)}
.rail__link{
display:block;margin-left:-1px;padding:10px 12px;
border-left:2px solid transparent;
color:var(--mist);font-size:14px;text-decoration:none;
transition:color .16s var(--ease),border-color .16s var(--ease),background .16s var(--ease);
}
.rail__link:hover{color:var(--paper);background:rgba(58,242,208,.04)}
.rail__link.is-active,.rail__link[aria-current="true"]{
color:var(--paper);border-left-color:var(--cyan);background:rgba(58,242,208,.06);
}
/* ---------- 栅格 ---------- */
.grid{display:grid;gap:clamp(14px,2vw,22px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
@media (max-width:1024px){.grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}}
@media (max-width:768px){.grid--2,.grid--3{grid-template-columns:1fr}.grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* ---------- 信任数字 ---------- */
.stat{display:grid;gap:4px;padding:16px 18px;border:1px solid var(--line);border-radius:2px;background:rgba(14,42,37,.45)}
.stat__num{font-family:var(--font-mono);font-size:clamp(22px,3vw,30px);font-weight:700;letter-spacing:-.02em;color:var(--cyan)}
.stat__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mist)}
/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.55em;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--mist)}
.crumbs a{color:var(--mist);text-decoration:none;border-bottom:1px solid transparent;padding-bottom:1px}
.crumbs a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.crumbs__sep{color:var(--line)}
.crumbs [aria-current="page"]{color:var(--paper)}
/* ---------- 图片容器基础规则 ---------- */
.plate{
position:relative;display:block;overflow:hidden;
aspect-ratio:4/3;border:1px solid var(--line);border-radius:2px;
background:
repeating-linear-gradient(135deg,rgba(58,242,208,.06) 0 1px,transparent 1px 9px),
radial-gradient(circle at 28% 18%,rgba(58,242,208,.12),transparent 58%),
var(--panel);
}
.plate>img,.plate>picture>img{width:100%;height:100%;object-fit:cover}
.plate::after{content:"";position:absolute;inset:8px;border:1px solid rgba(245,243,234,.08);pointer-events:none}
.plate--wide{aspect-ratio:16/9}
.plate--square{aspect-ratio:1}
.plate--tall{aspect-ratio:3/4}
/* ---------- 头部 ---------- */
.site-header{
position:sticky;top:0;z-index:90;
background:rgba(7,26,23,.95);
border-bottom:1px solid var(--line);
-webkit-backdrop-filter:blur(10px);
backdrop-filter:blur(10px);
}
.header-rail{
display:flex;align-items:center;justify-content:space-between;gap:16px;
max-height:52px;overflow:hidden;
padding:9px clamp(16px,3vw,40px);
border-bottom:1px solid var(--line);
font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
color:var(--mist);
transition:max-height .3s var(--ease),opacity .2s linear,padding .3s var(--ease),border-color .3s var(--ease);
}
.rail-coord{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;max-width:none}
.rail-coord__dot{width:6px;height:6px;background:var(--cyan);flex:none;box-shadow:0 0 0 3px rgba(58,242,208,.12)}
.rail-utils{display:flex;align-items:center;gap:clamp(12px,2vw,22px);flex-wrap:wrap;justify-content:flex-end}
.util-link{color:var(--mist);text-decoration:none;border-bottom:1px solid transparent;padding-bottom:2px;transition:color .16s var(--ease),border-color .16s var(--ease)}
.util-link:hover{color:var(--paper);border-bottom-color:var(--cyan)}
.util-note{color:rgba(171,200,192,.5)}
.masthead{
position:relative;
display:flex;align-items:center;justify-content:center;
max-width:var(--wrap);margin-inline:auto;
padding:18px clamp(16px,3vw,40px) 14px;
transition:padding .28s var(--ease);
}
.masthead__brand{display:block;text-align:center;text-decoration:none}
.masthead__name{
display:block;
font-family:var(--font-display);font-weight:900;
font-size:clamp(19px,2.4vw,25px);letter-spacing:.05em;
color:var(--paper);transition:color .18s var(--ease);
}
.masthead__brand:hover .masthead__name{color:var(--cyan)}
.masthead__sub{
display:block;margin-top:5px;
font-family:var(--font-mono);font-size:10px;letter-spacing:.28em;text-transform:uppercase;
color:var(--mist);
}
.masthead__meta{
position:absolute;left:clamp(16px,3vw,40px);top:50%;transform:translateY(-50%);
display:inline-flex;align-items:center;gap:8px;max-width:none;
font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mist);
}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(58,242,208,.14)}
.nav-toggle{
position:absolute;right:clamp(16px,3vw,40px);top:50%;transform:translateY(-50%);
display:none;align-items:center;gap:8px;
padding:8px 12px;border:1px solid var(--line);border-radius:2px;
background:rgba(14,42,37,.9);color:var(--paper);
font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
transition:border-color .16s var(--ease),color .16s var(--ease);
}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:1px;background:var(--paper);transition:transform .2s var(--ease),background .2s var(--ease)}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span{background:var(--cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child{transform:translateY(2.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child{transform:translateY(-2.5px) rotate(-45deg)}
.primary-nav{border-top:1px solid var(--line)}
.primary-nav__list{
display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
gap:clamp(2px,2.4vw,32px);
max-width:var(--wrap);margin-inline:auto;
padding:0 clamp(16px,3vw,40px);
}
.primary-nav__list a{
position:relative;display:block;padding:13px 2px;
font-size:14px;font-weight:600;letter-spacing:.1em;
color:var(--mist);text-decoration:none;
transition:color .16s var(--ease);
}
.primary-nav__list a::after{
content:"";position:absolute;left:0;right:0;bottom:8px;height:1px;
background:var(--cyan);transform:scaleX(0);transform-origin:center;
transition:transform .22s var(--ease);
}
.primary-nav__list a:hover{color:var(--paper)}
.primary-nav__list a:hover::after{transform:scaleX(1)}
.primary-nav__list a[aria-current="page"]{color:var(--cyan)}
.primary-nav__list a[aria-current="page"]::after{transform:scaleX(1);height:2px;bottom:6px}
.scroll-meter{
position:absolute;left:0;right:0;bottom:-1px;height:2px;
background:linear-gradient(90deg,var(--cyan),var(--gold));
transform:scaleX(0);transform-origin:left center;
transition:transform .1s linear;
pointer-events:none;
}
.site-header[data-condensed="true"] .header-rail{max-height:0;opacity:0;padding-block:0;border-color:transparent}
.site-header[data-condensed="true"] .masthead{padding:9px clamp(16px,3vw,40px) 7px}
.site-header[data-condensed="true"] .masthead__sub{display:none}
/* ---------- 页脚 ---------- */
.site-footer{margin-top:clamp(48px,7vw,96px);background:var(--panel);border-top:1px solid var(--line)}
.footer-main{
display:grid;grid-template-columns:1.5fr 1fr 1fr;
gap:clamp(24px,4vw,56px);
max-width:var(--wrap);margin-inline:auto;
padding:clamp(34px,5vw,62px) clamp(16px,3vw,40px) clamp(28px,4vw,48px);
}
.footer-brand__name{font-family:var(--font-display);font-weight:900;font-size:21px;letter-spacing:.05em;max-width:none}
.footer-brand__sub{margin-top:8px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mist);max-width:none}
.footer-brand__note{margin-top:16px;font-size:14px;line-height:1.8;color:var(--mist);max-width:44ch}
.footer-col__title{font-family:var(--font-mono);font-weight:600;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.footer-list{display:grid;gap:10px;font-size:14px;color:var(--mist)}
.footer-link{color:var(--mist);text-decoration:none;border-bottom:1px solid transparent;padding-bottom:1px;transition:color .16s var(--ease),border-color .16s var(--ease)}
.footer-link:hover{color:var(--paper);border-bottom-color:var(--cyan)}
.footer-line{font-size:13.5px;line-height:1.7;color:var(--mist);max-width:none}
.copy-btn{
display:flex;align-items:center;gap:8px;width:100%;
padding:5px 0;border-bottom:1px dashed rgba(33,68,61,.95);
font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em;
color:var(--mist);text-align:left;word-break:break-all;
transition:color .16s var(--ease),border-color .16s var(--ease);
}
.copy-btn::after{
content:"复制";margin-left:auto;flex:none;
font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
text-transform:uppercase;color:var(--line);
}
.copy-btn:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.copy-btn:hover::after{color:var(--cyan)}
.copy-btn[data-copied="true"]{color:var(--cyan);border-bottom-color:var(--cyan)}
.copy-btn[data-copied="true"]::after{content:"已复制";color:var(--cyan)}
.footer-base{
display:flex;flex-wrap:wrap;align-items:center;gap:8px 26px;
max-width:var(--wrap);margin-inline:auto;
padding:16px clamp(16px,3vw,40px) 18px;
border-top:1px solid var(--line);
font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--mist);
}
.footer-base__item{max-width:none}
.footer-base__muted{margin-left:auto;color:rgba(171,200,192,.55)}
.footer-bar{
position:fixed;left:0;right:0;bottom:0;z-index:95;
display:flex;align-items:center;justify-content:space-between;gap:12px;
min-height:var(--bar-h);
padding:8px clamp(14px,3vw,32px);
background:linear-gradient(180deg,rgba(14,42,37,.98),rgba(7,26,23,.99));
border-top:1px solid var(--line);
box-shadow:0 -16px 32px -26px #000;
-webkit-backdrop-filter:blur(8px);
backdrop-filter:blur(8px);
}
.footer-bar__cta{
display:inline-flex;align-items:center;gap:9px;
padding:9px 15px;border:1px solid var(--gold);border-radius:2px;
background:rgba(234,180,100,.08);color:var(--gold);
font-size:13.5px;font-weight:700;letter-spacing:.05em;
text-decoration:none;white-space:nowrap;
transition:background .18s var(--ease),color .18s var(--ease);
}
.footer-bar__cta:hover{background:var(--gold);color:var(--ink)}
.footer-bar__pulse{
width:6px;height:6px;border-radius:50%;background:currentColor;flex:none;
box-shadow:0 0 0 3px rgba(234,180,100,.2);
}
.footer-bar__links{display:flex;align-items:center;gap:clamp(10px,2vw,24px);font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.footer-bar__links a{color:var(--mist);text-decoration:none;border-bottom:1px solid transparent;padding-bottom:2px;transition:color .16s var(--ease),border-color .16s var(--ease)}
.footer-bar__links a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
/* ---------- 返回顶部 ---------- */
.to-top{
position:fixed;right:clamp(14px,3vw,28px);bottom:calc(var(--bar-h) + 14px);z-index:94;
width:42px;height:42px;display:grid;place-items:center;
border:1px solid var(--gold);border-radius:2px;
background:rgba(7,26,23,.92);color:var(--gold);
font-family:var(--font-mono);font-size:15px;line-height:1;
opacity:0;visibility:hidden;transform:translateY(8px);
transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s linear,background .18s var(--ease);
}
.to-top:hover{background:rgba(234,180,100,.14)}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
.footer-main{grid-template-columns:1fr 1fr}
.footer-brand{grid-column:1 / -1}
}
@media (max-width:860px){
html{scroll-padding-top:120px}
.masthead{padding:14px 16px 12px}
.masthead__meta{display:none}
.masthead__brand{padding-inline:60px}
.nav-toggle{display:inline-flex;right:14px}
.primary-nav{display:none;background:rgba(14,42,37,.98);border-top:1px solid var(--line)}
.primary-nav[data-open="true"]{display:block}
.primary-nav__list{flex-direction:column;align-items:stretch;gap:0;padding:6px 0 12px}
.primary-nav__list li+li{border-top:1px solid rgba(33,68,61,.75)}
.primary-nav__list a{padding:14px clamp(18px,5vw,28px);font-size:15px;letter-spacing:.08em}
.primary-nav__list a::after{display:none}
.primary-nav__list a:hover{background:rgba(58,242,208,.05)}
.primary-nav__list a[aria-current="page"]{background:rgba(58,242,208,.08);box-shadow:inset 2px 0 0 var(--cyan)}
.rail{position:static;top:auto}
.footer-main{grid-template-columns:1fr;gap:26px}
.footer-base__muted{margin-left:0}
}
@media (max-width:640px){
:root{--bar-h:60px}
.header-rail{justify-content:center;font-size:10px;letter-spacing:.1em}
.rail-coord{display:none}
.rail-utils{justify-content:center}
.util-note{display:none}
.footer-bar{padding:8px 12px;gap:8px}
.footer-bar__cta{padding:8px 11px;font-size:12px;letter-spacing:.02em}
.footer-bar__links{font-size:10px;gap:10px}
.footer-bar__links a:first-child{display:none}
.to-top{width:38px;height:38px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{
animation-duration:.001ms !important;
animation-iteration-count:1 !important;
transition-duration:.001ms !important;
}
}