@import url('https://fonts.googleapis.com/css2?family=Lora:wght@400;500;600;700&family=Raleway:wght@300;400;500;600;700&display=swap');

:root{
  --ink:#0d0d0d;
  --ink-2:#131018;
  --violet:#8000ff;
  --magenta:#ff00ff;
  --text:#ece7f7;
  --muted:#a89dc0;
  --line:rgba(255,0,255,.18);
  --glass:rgba(255,255,255,.035);
  --radius:28px;
  --ui:"Raleway","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --serif:"Lora","PingFang SC","Hiragino Sans GB","Microsoft YaHei",serif;
}

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

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
  background:var(--ink);
}

body{
  margin:0;
  padding:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--serif);
  font-size:17px;
  line-height:1.78;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:90;
  pointer-events:none;
  opacity:.32;
  mix-blend-mode:overlay;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.06) 0 1px,transparent 1px 3px);
}

img{max-width:100%;height:auto}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:1.25em}
li{margin:0 0 8px}

a{color:#dcb6ff;text-decoration:none}
a:hover{color:var(--magenta)}

h1,h2,h3,h4{
  font-family:var(--ui);
  font-weight:600;
  line-height:1.25;
  overflow-wrap:break-word;
}

/* ---------- 顶栏 ---------- */
.top{
  position:sticky;
  top:0;
  z-index:80;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 10px;
  padding:8px clamp(12px,3vw,28px);
  background:rgba(13,13,13,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

.brand{
  order:1;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  color:#fff;
  text-decoration:none;
  font-family:var(--ui);
  font-weight:600;
  font-size:17px;
  letter-spacing:.02em;
}
.brand:hover{color:#fff}

.brand-dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--magenta);
  box-shadow:0 0 12px var(--magenta),0 0 26px var(--violet);
  flex:0 0 auto;
}
.brand-img{border-radius:8px;flex:0 0 auto}
.brand-name{white-space:nowrap}

.contact{
  order:2;
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 14px;
  border:1px solid rgba(255,0,255,.45);
  border-radius:999px;
  color:#fff;
  font-family:var(--ui);
  font-size:16px;
  white-space:nowrap;
  box-shadow:0 0 16px rgba(255,0,255,.22) inset;
}
.contact:hover{background:rgba(255,0,255,.12);color:#fff}

.topnav{
  order:3;
  width:100%;
  display:flex;
  align-items:center;
  gap:4px;
  overflow-x:auto;
  padding:2px 0 6px;
  scrollbar-width:thin;
}

.navgrp{display:flex;align-items:center;gap:4px;flex:0 0 auto}

.topnav a{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 12px;
  border-radius:999px;
  color:var(--text);
  font-family:var(--ui);
  font-size:16px;
  white-space:nowrap;
}
.topnav a:hover,
.topnav a:focus-visible{
  color:#fff;
  background:rgba(128,0,255,.2);
  box-shadow:0 0 0 1px rgba(255,0,255,.35) inset;
}

.topnav .sub{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0;
  padding:0;
  list-style:none;
}
.topnav .sub li{margin:0}

@media (min-width:960px){
  .top{flex-wrap:nowrap;gap:14px}
  .topnav{order:2;width:auto;margin-left:auto;overflow:visible;padding:0}
  .contact{order:3;margin-left:4px}
  .navgrp{position:relative;display:block}
  .topnav .navgrp>.navlink::after{
    content:"";
    display:inline-block;
    margin-left:6px;
    width:6px;
    height:6px;
    border-right:1px solid currentColor;
    border-bottom:1px solid currentColor;
    transform:translateY(-2px) rotate(45deg);
    opacity:.7;
  }
  .topnav .sub{
    position:absolute;
    left:0;
    top:calc(100% + 6px);
    display:none;
    min-width:170px;
    padding:8px;
    background:rgba(19,16,24,.96);
    border:1px solid rgba(255,0,255,.28);
    border-radius:18px;
    box-shadow:0 18px 44px rgba(0,0,0,.6),0 0 22px rgba(128,0,255,.22);
    backdrop-filter:blur(12px);
    z-index:82;
  }
  .topnav .sub li{display:block}
  .topnav .sub a{display:flex;width:100%}
  .navgrp:hover .sub,
  .navgrp:focus-within .sub{display:block}
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  isolation:isolate;
  min-height:100vh;
  min-height:100svh;
  display:grid;
  place-items:center;
  text-align:center;
  overflow:hidden;
  padding:clamp(56px,12vh,130px) clamp(16px,5vw,40px) clamp(48px,10vh,110px);
}

.hero-media{
  position:absolute;
  inset:-10% 0;
  z-index:-3;
  transform:scale(1.14);
  will-change:transform;
}
.hero-media img,
.hero-media .hero-img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  opacity:.5;
  filter:grayscale(.35) contrast(1.2) saturate(1.15);
}

.hero-veil{
  position:absolute;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(58% 52% at 50% 46%,rgba(128,0,255,.38),transparent 72%),
    radial-gradient(42% 38% at 80% 18%,rgba(255,0,255,.3),transparent 70%),
    radial-gradient(40% 40% at 12% 82%,rgba(128,0,255,.24),transparent 72%),
    linear-gradient(180deg,rgba(13,13,13,.62),rgba(13,13,13,.9) 76%,var(--ink));
}

.hero-ghost{
  position:absolute;
  z-index:-1;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  font-family:var(--ui);
  font-weight:700;
  font-size:clamp(7rem,30vw,22rem);
  line-height:.8;
  letter-spacing:-.05em;
  color:transparent;
  -webkit-text-stroke:1px rgba(255,0,255,.22);
  user-select:none;
  pointer-events:none;
}

.hero-inner{max-width:840px;min-width:0}

.hero-title{
  margin:0;
  font-family:var(--ui);
  font-weight:700;
  font-size:clamp(2rem,7.2vw,4.1rem);
  line-height:1.16;
  letter-spacing:.02em;
  color:#fff;
  text-shadow:0 0 18px rgba(255,0,255,.55),0 0 48px rgba(128,0,255,.45);
}

.hero-desc{
  margin:18px auto 0;
  max-width:640px;
  font-size:16px;
  line-height:1.8;
  color:#d5cce8;
  text-shadow:0 1px 10px rgba(0,0,0,.8);
}

.glitch{animation:glitch 7.5s steps(1) infinite}
@keyframes glitch{
  0%,90%,100%{transform:none}
  91%{transform:skewX(-4deg) translateX(-3px);text-shadow:-3px 0 var(--magenta),3px 0 #7b8bff,0 0 18px rgba(255,0,255,.5)}
  93%{transform:skewX(3deg) translateX(2px);text-shadow:3px 0 var(--magenta),-3px 0 #7b8bff,0 0 22px rgba(128,0,255,.6)}
  95%{transform:none}
}

/* ---------- 版面骨架 ---------- */
.shell{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:26px;
  max-width:1200px;
  margin:0 auto;
  padding:clamp(30px,6vw,70px) clamp(14px,3.4vw,28px) clamp(40px,7vw,80px);
}

@media (min-width:980px){
  .shell{grid-template-columns:272px minmax(0,1fr);gap:clamp(28px,4vw,54px)}
}

/* ---------- 侧栏 ---------- */
.rail{display:grid;gap:16px;align-content:start;min-width:0}

@media (min-width:980px){
  .rail{position:sticky;top:94px}
}

.rail-box{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px 16px 16px;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 0 0 1px rgba(255,255,255,.02) inset;
}

.rail-h{
  margin:0 0 10px;
  font-family:var(--ui);
  font-size:16px;
  font-weight:600;
  letter-spacing:.14em;
  color:#fff;
}
.rail-h>span{
  display:inline-block;
  padding-bottom:4px;
  border-bottom:1px solid rgba(255,0,255,.45);
}

.rail-list{list-style:none;margin:0;padding:0}
.rail-list li{margin:0;opacity:0;animation:rise .5s ease forwards}
.rail-list li:nth-child(1){animation-delay:.05s}
.rail-list li:nth-child(2){animation-delay:.13s}
.rail-list li:nth-child(3){animation-delay:.21s}
.rail-list li:nth-child(4){animation-delay:.29s}
.rail-list li:nth-child(5){animation-delay:.37s}

.rail-list a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:0 6px;
  font-size:16px;
  color:var(--text);
  border-bottom:1px dashed rgba(255,0,255,.14);
}
.rail-list li:last-child a{border-bottom:0}
.rail-list a:hover{color:#fff;background:rgba(128,0,255,.16);border-radius:10px}

@keyframes rise{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:none}
}

/* ---------- 正文 ---------- */
.main{min-width:0}

.post{min-width:0}

.prose{
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  padding:clamp(20px,4.2vw,46px);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow-wrap:break-word;
  box-shadow:0 24px 70px rgba(0,0,0,.45);
}

.prose>article{
  scroll-margin-top:132px;
  padding-bottom:34px;
  margin-bottom:34px;
  border-bottom:1px dashed rgba(255,0,255,.16);
}
.prose>article:last-child{padding-bottom:0;margin-bottom:0;border-bottom:0}
.prose>article:first-child{padding-top:0}

.prose h2{
  font-size:clamp(1.35rem,3.6vw,1.9rem);
  margin:0 0 14px;
  color:#fff;
}
.prose h3{
  font-size:clamp(1.1rem,2.8vw,1.35rem);
  margin:24px 0 10px;
  color:#f3ecff;
}

.prose h2>span,
.prose h3>span,
.cta-h>span{
  display:inline-block;
  position:relative;
  padding-left:16px;
}
.prose h2>span::before,
.prose h3>span::before,
.cta-h>span::before{
  content:"";
  position:absolute;
  left:0;
  top:.16em;
  bottom:.16em;
  width:4px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--magenta),var(--violet));
  box-shadow:0 0 14px rgba(255,0,255,.8);
}

.prose p{line-height:1.86}
.prose a{color:#e0b9ff;text-decoration:underline;text-decoration-color:rgba(255,0,255,.5);text-underline-offset:3px}
.prose a:hover{color:var(--magenta)}

.prose ul,.prose ol{padding-left:1.15em}
.prose li{margin:0 0 8px}

.prose blockquote{
  margin:20px 0;
  padding:12px 18px;
  border-left:3px solid var(--magenta);
  background:rgba(128,0,255,.12);
  border-radius:0 16px 16px 0;
  color:#f0e8ff;
}
.prose blockquote p:last-child{margin:0}

.prose img{border-radius:18px;border:1px solid var(--line);display:block;margin:16px 0}

.prose table{
  display:block;
  width:100%;
  max-width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  font-size:16px;
  margin:16px 0;
}
.prose th,.prose td{
  border:1px solid rgba(255,255,255,.14);
  padding:8px 12px;
  text-align:left;
}
.prose th{background:rgba(128,0,255,.18);color:#fff}

.prose pre{
  overflow-x:auto;
  padding:14px 16px;
  border-radius:16px;
  background:#0a0a0f;
  border:1px solid var(--line);
  font-size:15px;
}
.prose code{font-size:15px}

.prose hr{border:0;border-top:1px dashed rgba(255,0,255,.28);margin:26px 0}

.prose strong{color:#fff}

/* 滚动揭示 */
.js .prose>*{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease,transform .6s ease;
}
.js .prose>*.in{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.foot{
  position:relative;
  border-top:1px solid var(--line);
  background:
    radial-gradient(70% 120% at 50% 0,rgba(128,0,255,.18),transparent 70%),
    linear-gradient(180deg,rgba(255,0,255,.06),transparent 40%);
  padding:clamp(36px,6vw,66px) clamp(14px,3.4vw,28px) 20px;
}

.foot-cta{max-width:1200px;margin:0 auto}

.cta-h{
  margin:0 0 18px;
  font-size:clamp(1.5rem,4.4vw,2.3rem);
  color:#fff;
  text-shadow:0 0 22px rgba(255,0,255,.45);
}

.foot-nav dl{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 16px;
  margin:0;
}
@media (min-width:760px){
  .foot-nav dl{grid-template-columns:repeat(4,minmax(0,1fr))}
}

.foot-nav dt,
.foot-nav dd{margin:0}

.foot-nav a{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 4px;
  font-family:var(--ui);
  font-size:16px;
  color:var(--text);
  border-bottom:1px solid transparent;
}
.foot-nav a:hover{color:#fff;border-bottom-color:var(--magenta)}

.foot-bar{
  max-width:1200px;
  margin:26px auto 0;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:6px 20px;
  font-family:var(--ui);
  font-size:16px;
  color:var(--muted);
}
.copy{margin:0}
.bar-links{margin:0;display:flex;gap:18px;flex-wrap:wrap}
.bar-links a{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  color:var(--text);
}
.bar-links a:hover{color:var(--magenta)}

/* ---------- 小屏微调 ---------- */
@media (max-width:520px){
  body{font-size:16px}
  .prose{border-radius:22px}
  .rail-box{border-radius:22px}
  .hero-ghost{opacity:.75}
  .hero-desc{font-size:16px}
}

@media (max-width:360px){
  .brand-name{font-size:16px}
  .contact{padding:0 10px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .rail-list li{opacity:1}
  .hero-media{transform:none}
}

button[aria-expanded]{min-width:44px;min-height:44px}