*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --paper:#faf5ef;
  --paper2:#f3ebe0;
  --ink:#1e1b2e;
  --muted:#6b6478;
  --purple:#7c3aed;
  --purple2:#6d28d9;
  --purple-soft:#ede9fe;
  --purple-glow:rgba(124,58,237,.35);
  --dark:#120e1a;
  --dark2:#1c1630;
  --rule:#ddd4ea;
  --serif:"Libre Baskerville","Noto Serif SC",Georgia,serif;
  --sans:"Lato","Noto Sans SC",system-ui,sans-serif;
  --mono:"Courier Prime",Consolas,monospace;
  --ease:cubic-bezier(.22,1,.36,1)
}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);background:var(--paper);color:var(--ink);
  line-height:1.7;overflow-x:hidden
}

/* ── 顶部滚动快讯 ── */
.ticker{
  background:var(--dark);color:#fff;overflow:hidden;
  border-bottom:1px solid rgba(124,58,237,.4)
}
.ticker-track{
  display:flex;width:max-content;
  animation:ticker 42s linear infinite
}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-item{
  display:flex;align-items:center;gap:10px;padding:10px 28px;
  font-size:.78rem;white-space:nowrap;border-right:1px solid rgba(255,255,255,.08)
}
.ticker-item .tag{
  font-family:var(--mono);font-size:.65rem;padding:2px 8px;border-radius:999px;
  background:rgba(124,58,237,.35);color:#e9d5ff
}
@keyframes ticker{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ── 导航 ── */
.topbar{
  position:sticky;top:0;z-index:100;
  background:rgba(250,245,239,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--rule);transition:box-shadow .3s
}
.topbar.scrolled{box-shadow:0 4px 24px rgba(30,27,46,.08)}
.topbar-inner{
  max-width:1140px;margin:0 auto;padding:0 28px;
  display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px
}
.brand{
  display:flex;align-items:center;gap:10px;text-decoration:none;
  color:var(--ink);font-family:var(--serif);font-weight:700;font-size:1.1rem
}
.brand img{width:30px;height:30px}
.topnav{display:flex;gap:24px;align-items:center}
.topnav a{
  text-decoration:none;color:var(--muted);font-size:.86rem;font-weight:600;
  padding:20px 0;border-bottom:2px solid transparent;transition:.2s
}
.topnav a:hover{color:var(--ink)}
.topnav a.on{color:var(--purple);border-bottom-color:var(--purple)}
.nav-cta{
  padding:9px 18px;background:var(--purple);color:#fff;font-size:.82rem;font-weight:700;
  text-decoration:none;border-radius:6px;transition:.2s;white-space:nowrap
}
.nav-cta:hover{background:var(--purple2)}

.wrap{max-width:1140px;margin:0 auto;padding:0 28px}

/* ── Hero ── */
.hero-dark{
  position:relative;padding:72px 0 56px;
  background:linear-gradient(145deg,var(--dark) 0%,#2a1f45 55%,#1a1230 100%);
  color:#fff;overflow:hidden
}
.hero-dark::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 75% 30%,var(--purple-glow) 0%,transparent 55%),
             radial-gradient(circle at 20% 80%,rgba(139,92,246,.15) 0%,transparent 45%);
  pointer-events:none
}
.hero-grid{
  max-width:1140px;margin:0 auto;padding:0 28px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  position:relative;z-index:1
}
.hero-kicker{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;color:#c4b5fd;margin-bottom:16px
}
.hero-dark h1{
  font-family:var(--serif);font-size:clamp(2.2rem,4.8vw,3.6rem);
  font-weight:400;line-height:1.1;margin-bottom:18px
}
.hero-dark h1 em{font-style:italic;color:#ddd6fe}
.hero-lead{font-size:1.02rem;color:rgba(255,255,255,.72);max-width:480px;margin-bottom:28px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;padding:13px 26px;font-size:.88rem;font-weight:700;
  border-radius:8px;text-decoration:none;transition:.25s;border:none;cursor:pointer
}
.btn-p{background:var(--purple);color:#fff;box-shadow:0 8px 24px var(--purple-glow)}
.btn-p:hover{background:var(--purple2);transform:translateY(-2px)}
.btn-s{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.18)}
.btn-s:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.35)}

.hero-visual{position:relative}
.hero-frame{
  border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 24px 60px rgba(0,0,0,.45);cursor:zoom-in;
  transform:perspective(900px) rotateY(-4deg) rotateX(2deg);
  transition:transform .5s var(--ease)
}
.hero-frame:hover{transform:perspective(900px) rotateY(0) rotateX(0)}
.hero-frame img{width:100%;display:block}

.hero-graph-bg{
  position:absolute;inset:0;opacity:.25;pointer-events:none
}
.hero-graph-bg svg{width:100%;height:100%}

/* 浮动统计条 */
.stats-bar{
  max-width:1140px;margin:-28px auto 0;padding:0 28px;position:relative;z-index:2
}
.stats-inner{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--rule);border-radius:14px;overflow:hidden;
  box-shadow:0 16px 40px rgba(30,27,46,.12)
}
.stat-cell{
  background:#fff;padding:22px 20px;text-align:center;
  transition:background .25s
}
.stat-cell:hover{background:var(--purple-soft)}
.stat-cell b{
  display:block;font-family:var(--serif);font-size:1.6rem;color:var(--purple);
  line-height:1.2
}
.stat-cell span{font-size:.78rem;color:var(--muted)}

/* ── 动态资讯 ── */
.section{padding:64px 0}
.section-head{margin-bottom:36px;display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.section-kicker{font-family:var(--mono);font-size:.7rem;color:var(--purple);letter-spacing:.12em;margin-bottom:6px}
.section-head h2{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2rem);font-weight:700}
.section-head p{color:var(--muted);font-size:.92rem;max-width:480px;margin-top:8px}
.section-more{
  font-size:.82rem;font-weight:700;color:var(--purple);text-decoration:none;
  padding:8px 16px;border:1px solid var(--purple-soft);border-radius:999px;transition:.2s
}
.section-more:hover{background:var(--purple-soft)}

.news-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.news-feature{
  position:relative;border-radius:14px;overflow:hidden;
  background:var(--dark);min-height:320px;display:flex;flex-direction:column;justify-content:flex-end
}
.news-feature img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55
}
.news-feature-body{
  position:relative;z-index:1;padding:28px;
  background:linear-gradient(transparent,rgba(18,14,26,.92))
}
.news-feature .date{font-family:var(--mono);font-size:.72rem;color:#c4b5fd;margin-bottom:8px}
.news-feature h3{font-family:var(--serif);font-size:1.35rem;color:#fff;margin-bottom:8px;line-height:1.35}
.news-feature p{font-size:.88rem;color:rgba(255,255,255,.7);margin-bottom:14px}
.news-feature a{color:#ddd6fe;font-size:.82rem;font-weight:700;text-decoration:none}
.news-feature a:hover{text-decoration:underline}

.news-list{display:flex;flex-direction:column;gap:14px}
.news-card{
  display:grid;grid-template-columns:auto 1fr;gap:16px;padding:18px;
  background:#fff;border:1px solid var(--rule);border-radius:12px;
  text-decoration:none;color:inherit;transition:.25s var(--ease)
}
.news-card:hover{
  transform:translateX(4px);border-color:var(--purple);
  box-shadow:0 8px 24px rgba(124,58,237,.1)
}
.news-date{
  font-family:var(--mono);font-size:.68rem;color:var(--purple);
  writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.06em;
  padding:4px 0;border-right:2px solid var(--purple-soft)
}
.news-card h4{font-size:.92rem;margin-bottom:4px;line-height:1.4}
.news-card p{font-size:.8rem;color:var(--muted);line-height:1.55}
.news-tag{
  display:inline-block;margin-top:8px;font-size:.65rem;font-weight:700;
  padding:2px 8px;border-radius:4px;background:var(--purple-soft);color:var(--purple)
}

/* 动态页时间线 */
.news-timeline{margin:32px 0;padding-left:28px;border-left:2px solid var(--purple-soft)}
.news-tl{
  position:relative;padding:0 0 36px 28px;
  opacity:0;transform:translateY(16px);transition:.5s var(--ease)
}
.news-tl.visible{opacity:1;transform:none}
.news-tl::before{
  content:'';position:absolute;left:-35px;top:6px;width:12px;height:12px;
  border-radius:50%;background:var(--purple);border:3px solid var(--paper);
  box-shadow:0 0 0 4px var(--purple-soft)
}
.news-tl time{font-family:var(--mono);font-size:.72rem;color:var(--purple)}
.news-tl h3{font-family:var(--serif);font-size:1.1rem;margin:6px 0 8px}
.news-tl p{font-size:.88rem;color:var(--muted);line-height:1.75;max-width:640px}
.news-tl img{
  width:100%;max-width:560px;margin-top:16px;border-radius:10px;
  border:1px solid var(--rule);cursor:zoom-in
}

/* ── 引语 ── */
.pullquote{
  margin:0;padding:40px 44px;background:var(--purple-soft);
  border-left:4px solid var(--purple);font-family:var(--serif);
  font-size:clamp(1.15rem,2.4vw,1.55rem);font-style:italic;line-height:1.5
}
.pullquote cite{
  display:block;margin-top:12px;font-size:.82rem;font-style:normal;
  color:var(--muted);font-family:var(--sans)
}

/* ── Masonry ── */
.masonry{columns:2;column-gap:20px;margin:40px 0}
.masonry-card{
  break-inside:avoid;margin-bottom:20px;padding:24px;
  background:#fff;border:1px solid var(--rule);border-radius:10px;
  box-shadow:0 4px 16px rgba(30,27,46,.04);transition:.3s var(--ease);
  opacity:0;transform:translateY(20px)
}
.masonry-card.visible{opacity:1;transform:none}
.masonry-card:hover{
  transform:translateY(-4px);box-shadow:0 12px 32px rgba(124,58,237,.12);
  border-color:rgba(124,58,237,.25)
}
.masonry-card.visible:hover{transform:translateY(-4px)}
.masonry-card .tag{
  font-family:var(--mono);font-size:.65rem;color:var(--purple);
  letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px
}
.masonry-card h3{font-family:var(--serif);font-size:1.1rem;margin-bottom:8px;font-weight:700}
.masonry-card p{font-size:.88rem;color:var(--muted);line-height:1.65}
.masonry-card.tall{padding-bottom:32px}
.masonry-card img{
  width:100%;margin-top:14px;border-radius:8px;border:1px solid var(--rule);cursor:zoom-in
}

.chapter{margin:56px 0 28px;padding-top:28px;border-top:1px solid var(--rule)}
.chapter-num{font-family:var(--mono);font-size:.7rem;color:var(--purple);letter-spacing:.12em;margin-bottom:6px}
.chapter h2{font-family:var(--serif);font-size:1.7rem;font-weight:700}

.columns{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin:32px 0}
.col-block h3{font-family:var(--serif);font-size:1.05rem;margin-bottom:10px}
.col-block p{font-size:.9rem;color:var(--muted);line-height:1.75;margin-bottom:12px}
.col-block ul{margin-left:18px;font-size:.88rem;color:var(--muted)}
.col-block li{margin-bottom:6px}

.timeline{margin:36px 0;padding-left:28px;border-left:2px solid var(--purple-soft)}
.tl-item{position:relative;padding:0 0 32px 24px}
.tl-item::before{
  content:'';position:absolute;left:-35px;top:4px;width:12px;height:12px;
  border-radius:50%;background:var(--purple);border:3px solid var(--paper)
}
.tl-item h4{font-family:var(--serif);font-size:1rem;margin-bottom:6px}
.tl-item p{font-size:.88rem;color:var(--muted);line-height:1.7}

.faq-list{margin:32px 0}
.faq-list details{border-bottom:1px solid var(--rule);padding:18px 0}
.faq-list summary{font-family:var(--serif);font-weight:700;cursor:pointer;font-size:.95rem;list-style:none}
.faq-list summary::before{content:'+ ';color:var(--purple);font-family:var(--mono)}
.faq-list details[open] summary::before{content:'- '}
.faq-list p{padding-top:10px;font-size:.88rem;color:var(--muted);line-height:1.75}

.plugin-scroll{
  display:flex;gap:16px;overflow-x:auto;padding:8px 0 20px;
  scroll-snap-type:x mandatory;margin:24px 0
}
.plugin-card{
  flex:0 0 220px;scroll-snap-align:start;padding:20px;
  background:#fff;border:1px solid var(--rule);border-radius:10px;
  box-shadow:0 4px 12px rgba(30,27,46,.05);transition:.25s
}
.plugin-card:hover{border-color:var(--purple);transform:translateY(-3px)}
.plugin-card h4{font-size:.9rem;margin-bottom:6px}
.plugin-card p{font-size:.78rem;color:var(--muted);line-height:1.55}

/* 内页 masthead */
.masthead{padding:48px 0 32px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:end}
.masthead-kicker{font-family:var(--mono);font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:var(--purple);margin-bottom:16px}
.masthead h1{font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);font-weight:400;line-height:1.12;margin-bottom:18px}
.masthead h1 em{font-style:italic;color:var(--purple)}
.masthead-lead{font-size:1.02rem;color:var(--muted);max-width:460px;margin-bottom:28px}
.paper-stack{position:relative;padding:16px}
.paper-back,.paper-mid,.paper-front{
  border-radius:10px;border:1px solid var(--rule);background:#fff;
  box-shadow:2px 3px 0 var(--rule)
}
.paper-back{position:absolute;top:0;left:20px;right:-6px;height:100%;transform:rotate(2deg);background:var(--paper2)}
.paper-mid{position:absolute;top:6px;left:10px;right:-3px;height:calc(100% - 12px);transform:rotate(-1deg)}
.paper-front{position:relative;z-index:1;overflow:hidden;cursor:zoom-in;border-radius:10px}
.paper-front img{width:100%;display:block}

.zoom-panel{
  position:fixed;inset:0;z-index:999;background:rgba(18,14,26,.82);
  display:flex;align-items:flex-end;justify-content:center;
  opacity:0;visibility:hidden;transition:.35s;padding:24px
}
.zoom-panel.open{opacity:1;visibility:visible}
.zoom-sheet{
  background:#fff;border-radius:12px 12px 0 0;max-width:920px;width:100%;
  max-height:88vh;overflow:auto;transform:translateY(100%);
  transition:transform .4s var(--ease);padding:20px
}
.zoom-panel.open .zoom-sheet{transform:translateY(0)}
.zoom-sheet img{width:100%;border-radius:8px}
.zoom-cap{text-align:center;padding:12px;font-size:.85rem;color:var(--muted)}
.zoom-x{
  position:absolute;top:20px;right:24px;background:#fff;border:1px solid var(--rule);
  width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:18px
}

.foot{
  margin-top:64px;padding:32px 0;border-top:1px solid var(--rule);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:.78rem;color:var(--muted)
}
.foot a{color:var(--purple);text-decoration:none}
.crumb{font-size:.72rem;color:var(--muted);padding:14px 0;font-family:var(--mono)}
.crumb a{color:var(--purple);text-decoration:none}

/* ── 下载页 ── */
.dl-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:32px 0
}
.dl-tile{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:28px 16px;background:#fff;border:1px solid var(--rule);border-radius:12px;
  text-decoration:none;color:inherit;transition:.25s var(--ease);
  box-shadow:0 4px 16px rgba(30,27,46,.04)
}
.dl-tile:hover{
  border-color:var(--purple);transform:translateY(-4px);
  box-shadow:0 12px 32px rgba(124,58,237,.14)
}
.dl-tile .icon{
  width:52px;height:52px;border-radius:14px;background:var(--purple-soft);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:.72rem;font-weight:700;color:var(--purple);
  margin-bottom:14px
}
.dl-tile b{display:block;font-family:var(--serif);font-size:1rem;margin-bottom:4px}
.dl-tile span{font-size:.78rem;color:var(--muted)}
.dl-banner{
  margin:32px 0;padding:28px 32px;border-radius:14px;
  background:linear-gradient(135deg,var(--dark) 0%,#2a1f45 100%);
  color:#fff;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap
}
.dl-banner p{font-size:.92rem;color:rgba(255,255,255,.75);max-width:480px;line-height:1.65}
.dl-banner .btn-p{flex-shrink:0}

.prose-block{margin:40px 0;padding:32px 36px;background:var(--paper);border:1px solid var(--line);border-radius:14px}
.prose-block h2{font-family:var(--serif);font-size:1.55rem;margin-bottom:16px;color:var(--dark)}
.prose-block h3{font-family:var(--serif);font-size:1.12rem;margin:24px 0 10px;color:var(--dark)}
.prose-block p,.prose-block li{font-size:.92rem;line-height:1.78;color:var(--text);margin-bottom:12px}
.prose-block ul,.prose-block ol{padding-left:22px;margin-bottom:16px}
.prose-block li{margin-bottom:6px}
.prose-block .cite{font-size:.78rem;color:var(--muted);margin-top:20px;padding-top:14px;border-top:1px dashed var(--line)}
.friend-links{font-size:.74rem;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);margin-top:8px}
.friend-links a{color:var(--purple);text-decoration:none}
.friend-links a:hover{text-decoration:underline}

@media(max-width:900px){
  .hero-grid,.masthead,.news-grid,.stats-inner{grid-template-columns:1fr}
  .masonry,.columns{columns:1}
  .topnav{gap:12px}
  .topnav a{font-size:.78rem}
  .nav-cta{display:none}
  .hero-frame{transform:none}
  .stat-cell{padding:16px}
  .news-date{writing-mode:horizontal-tb;border-right:none}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
}