/* ============================================================
   prototype.代加工.中国 · 打样与小批制造
   全站样式（暗色科技风 / 纯静态 / 无外部依赖）
   ============================================================ */

:root{
  --bg:#070a11;
  --bg-2:#0b1020;
  --surface:#0f1626;
  --surface-2:#141d31;
  --line:#1f2c46;
  --line-soft:#172238;
  --txt:#e7eefb;
  --txt-2:#b9c6de;
  --muted:#8494b0;
  --accent:#38bdf8;
  --accent-2:#22d3ee;
  --accent-deep:#0ea5e9;
  --amber:#f5a524;
  --green:#34d399;
  --radius:14px;
  --radius-sm:9px;
  --wrap:1200px;
  --read:760px;
  --shadow:0 18px 46px rgba(0,0,0,.45);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono","Cascadia Mono",Consolas,"SFMono-Regular",Menlo,monospace;
  /* 面包屑左缘对齐：与所在内容列首个 H2 的文字左缘一致 */
  --h2-inset:0px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--txt);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(56,189,248,.16),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(34,211,238,.10),transparent 60%),
    linear-gradient(180deg,#070a11 0%,#080c15 42%,#070a11 100%);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:#8edcff;}
h1,h2,h3,h4,h5,h6{line-height:1.32;margin:0 0 .6em;font-weight:700;letter-spacing:.005em;color:#f2f7ff;}
h1{font-size:clamp(1.72rem,1.1rem + 2.4vw,2.45rem);letter-spacing:-.01em;}
h2{font-size:clamp(1.34rem,1.05rem + 1vw,1.72rem);}
h3{font-size:clamp(1.1rem,.98rem + .5vw,1.28rem);}
p{margin:0 0 1.05em;}
ul,ol{margin:0 0 1.05em;padding-left:1.25em;}
li{margin:.32em 0;}
strong{color:#fff;font-weight:600;}
code{font-family:var(--mono);font-size:.9em;background:var(--surface-2);border:1px solid var(--line-soft);padding:.1em .42em;border-radius:5px;color:#9fe7ff;}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0;}
::selection{background:rgba(56,189,248,.32);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.skip{position:absolute;left:-9999px;top:0;}
.skip:focus{left:12px;top:12px;z-index:200;background:var(--surface-2);padding:8px 14px;border-radius:8px;border:1px solid var(--accent);}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(7,10,17,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.header-in{display:flex;align-items:center;gap:22px;min-height:66px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:#fff;}
.brand:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 55%,#7c5cff 100%);
  position:relative;box-shadow:0 6px 18px rgba(56,189,248,.34);
}
.brand-mark::after{content:"";position:absolute;inset:9px;border:2px solid rgba(7,10,17,.85);border-radius:3px;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(45deg);}
.brand-txt{display:flex;flex-direction:column;line-height:1.16;}
.brand-name{font-size:1.02rem;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:.7rem;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;}

.nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.nav-list>li{position:relative;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 13px;border-radius:9px;color:var(--txt-2);font-size:.93rem;font-weight:500;
  border:1px solid transparent;transition:.18s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:var(--surface-2);}
.nav-link[aria-current="page"],.nav-link.is-active{color:#fff;background:rgba(56,189,248,.13);border-color:rgba(56,189,248,.34);}
.nav-caret{font-size:.62rem;opacity:.7;transition:transform .2s ease;}
.nav-item:hover .nav-caret{transform:rotate(180deg);}
.nav-sub{
  position:absolute;top:calc(100% + 8px);left:0;min-width:210px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:8px;list-style:none;margin:0;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s ease;
}
.nav-item:hover .nav-sub,.nav-item:focus-within .nav-sub{opacity:1;visibility:visible;transform:translateY(0);}
.nav-sub a{display:block;padding:8px 11px;border-radius:7px;color:var(--txt-2);font-size:.89rem;}
.nav-sub a:hover{background:var(--surface-2);color:#fff;}
.nav-sub a small{display:block;color:var(--muted);font-size:.74rem;font-weight:400;}

.nav-cta{
  margin-left:6px;display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:999px;font-size:.9rem;font-weight:600;color:#04121c;
  background:linear-gradient(120deg,var(--accent),var(--accent-2));
  box-shadow:0 8px 22px rgba(56,189,248,.28);
}
.nav-cta:hover{color:#04121c;filter:brightness(1.06);}

.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
  background:var(--surface-2);border:1px solid var(--line);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:4px auto;background:var(--txt);border-radius:2px;transition:.2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 首屏 ---------- */
.hero{position:relative;padding:76px 0 62px;overflow:hidden;}
.hero::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(56,189,248,.5),transparent);
}
.hero-grid{
  position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 76%);
}
.hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:20px;
  padding:6px 14px;border-radius:999px;font-size:.79rem;letter-spacing:.06em;
  color:var(--accent);background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.28);
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(56,189,248,.18);}
.hero h1{margin-bottom:18px;}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--accent),var(--accent-2) 55%,#8b7cff);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:1.06rem;color:var(--txt-2);max-width:56ch;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:12px 22px;border-radius:11px;
  font-size:.95rem;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.18s ease;
}
.btn-primary{color:#04121c;background:linear-gradient(120deg,var(--accent),var(--accent-2));box-shadow:0 12px 30px rgba(56,189,248,.26);}
.btn-primary:hover{color:#04121c;transform:translateY(-1px);}
.btn-ghost{color:var(--txt);background:var(--surface);border-color:var(--line);}
.btn-ghost:hover{color:#fff;border-color:rgba(56,189,248,.5);background:var(--surface-2);}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 30px;list-style:none;margin:0;padding:0;}
.hero-facts li{display:flex;flex-direction:column;}
.hero-facts b{font-size:1.5rem;font-weight:700;color:#fff;line-height:1.2;}
.hero-facts span{font-size:.8rem;color:var(--muted);letter-spacing:.04em;}

.hero-panel{
  position:relative;background:linear-gradient(160deg,rgba(20,29,49,.92),rgba(11,16,32,.92));
  border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow);
}
.hero-panel::before{
  content:"";position:absolute;inset:0;border-radius:20px;pointer-events:none;
  background:linear-gradient(140deg,rgba(56,189,248,.22),transparent 46%);
  -webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1px;
}
.panel-title{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;}
.flow{list-style:none;margin:0;padding:0;}
.flow li{display:flex;gap:13px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line-soft);}
.flow li:last-child{border-bottom:0;}
.flow .step{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:.78rem;font-weight:700;color:var(--accent);background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);
}
.flow b{display:block;font-size:.95rem;color:#fff;font-weight:600;}
.flow span{font-size:.83rem;color:var(--muted);}

/* ---------- 通用区块 ---------- */
.section{padding:66px 0;}
.section-alt{background:linear-gradient(180deg,rgba(15,22,38,.5),rgba(7,10,17,0));border-top:1px solid var(--line-soft);}
.section-head{max-width:74ch;margin-bottom:38px;}
.section-head .kicker{display:block;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;}
.section-head p{color:var(--txt-2);margin:0;}

.grid{display:grid;gap:20px;}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

.card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.2s ease;height:100%;
}
.card:hover{transform:translateY(-3px);border-color:rgba(56,189,248,.42);box-shadow:0 16px 36px rgba(0,0,0,.4);}
.card .ico{
  width:40px;height:40px;border-radius:11px;margin-bottom:15px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(56,189,248,.2),rgba(34,211,238,.08));
  border:1px solid rgba(56,189,248,.3);color:var(--accent);font-size:1.1rem;
}
.card h3{font-size:1.08rem;margin-bottom:8px;}
.card p{color:var(--txt-2);font-size:.92rem;margin-bottom:12px;}
.card .more{font-size:.87rem;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card .more::after{content:"→";transition:transform .18s ease;}
.card:hover .more::after{transform:translateX(4px);}
.card-tag{position:absolute;top:18px;right:18px;font-size:.72rem;color:var(--muted);border:1px solid var(--line);padding:2px 9px;border-radius:999px;}

.card-list{list-style:none;padding:0;margin:12px 0 0;}
.card-list li{position:relative;padding-left:18px;font-size:.9rem;color:var(--txt-2);}
.card-list li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--accent);opacity:.8;}

/* ---------- 面包屑（左缘与内容列 H2 文字左缘对齐）---------- */
.crumbs{
  margin:0 0 20px;padding-left:var(--h2-inset);
  font-size:.83rem;color:var(--muted);line-height:1.7;
}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:7px;list-style:none;margin:0;padding:0;}
.crumbs li{display:flex;align-items:center;gap:7px;margin:0;}
.crumbs li+li::before{content:"›";color:#4b5b78;}
.crumbs a{color:var(--txt-2);}
.crumbs a:hover{color:var(--accent);}
.crumbs [aria-current="page"]{color:var(--muted);}

/* ---------- 文章布局 ---------- */
.page-head{padding:34px 0 26px;border-bottom:1px solid var(--line-soft);margin-bottom:38px;}
.page-head h1{margin-bottom:12px;}
.page-head p{color:var(--txt-2);max-width:80ch;margin:0;}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:48px;padding:38px 0 70px;align-items:start;}
.article-main{max-width:var(--read);}
.article-main>h1{font-size:clamp(1.6rem,1.05rem + 2vw,2.2rem);margin-bottom:14px;}

.summary-box{
  position:relative;margin:22px 0;padding:20px 24px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(56,189,248,.09),rgba(34,211,238,.03));
  border:1px solid rgba(56,189,248,.24);border-left:3px solid var(--accent);
}
.summary-box p{margin:0;color:var(--txt);font-size:1rem;}
.summary-box .lbl{display:block;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:8px;}

.kw-line{font-size:.86rem;color:var(--muted);margin:14px 0 6px;}
.kw-line .tag-text{
  display:inline-block;margin:0 6px 6px 0;padding:2px 10px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--txt-2);font-size:.8rem;
}
.updated{display:inline-block;font-size:.82rem;color:var(--muted);margin:6px 0 4px;}
.updated::before{content:"◷ ";}
.meta-sep{height:1px;background:var(--line-soft);margin:22px 0 30px;}

.article-main h2{margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--accent);}
.article-main h3{margin:30px 0 12px;}
.article-main p,.article-main li{color:var(--txt-2);}
.article-main>p:first-of-type{color:var(--txt);}
.article-main ul,.article-main ol{padding-left:1.2em;}

.callout{
  margin:26px 0;padding:18px 22px;border-radius:var(--radius-sm);
  background:rgba(52,211,153,.07);border:1px solid rgba(52,211,153,.26);
}
.callout .lbl{display:block;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:6px;}
.callout p:last-child{margin-bottom:0;}

blockquote.conclusion{
  margin:28px 0;padding:20px 24px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(245,165,36,.09),rgba(245,165,36,.02));
  border:1px solid rgba(245,165,36,.26);border-left:3px solid var(--amber);
}
blockquote.conclusion .lbl{display:block;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-bottom:10px;}
blockquote.conclusion ol{margin:0;padding-left:1.3em;color:var(--txt);}
blockquote.conclusion li{margin:.4em 0;}

/* ---------- 表格 ---------- */
.table-scroll{overflow-x:auto;margin:22px 0;-webkit-overflow-scrolling:touch;}
table.data{width:100%;border-collapse:collapse;font-size:.9rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;min-width:520px;}
table.data caption{caption-side:top;text-align:left;font-size:.83rem;color:var(--muted);padding:0 0 10px;}
table.data th,table.data td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top;}
table.data thead th{background:var(--surface-2);color:#fff;font-weight:600;font-size:.85rem;letter-spacing:.02em;white-space:nowrap;}
table.data tbody tr:hover{background:rgba(56,189,248,.05);}
table.data tbody tr:last-child td{border-bottom:0;}
table.data td:first-child{color:var(--txt);font-weight:500;}

/* ---------- FAQ（裸 details，faq_dom: bare_details）---------- */
.faq{margin:34px 0 10px;}
.faq h2{margin-top:0;}
details{
  margin:12px 0;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface);overflow:hidden;
}
details[open]{border-color:rgba(56,189,248,.4);background:var(--surface-2);}
summary{
  cursor:pointer;padding:15px 46px 15px 18px;position:relative;
  font-weight:600;color:var(--txt);list-style:none;font-size:.96rem;
}
summary::-webkit-details-marker{display:none;}
summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  color:var(--accent);font-size:1.24rem;font-weight:400;line-height:1;
}
details[open] summary::after{content:"–";}
summary:hover{color:#fff;}
details p{margin:0 18px 16px;color:var(--txt-2);font-size:.93rem;padding-top:12px;border-top:1px dashed var(--line-soft);}

/* ---------- 相关阅读 / 相关产品 ---------- */
.related{margin:40px 0 0;padding-top:30px;border-top:1px solid var(--line);}
.related h2{margin-top:0;font-size:1.24rem;border-left:0;padding-left:0;}
.related-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.related-list a{
  display:block;padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--line);color:var(--txt);
  font-weight:600;font-size:.96rem;transition:.18s ease;
}
.related-list a:hover{border-color:rgba(56,189,248,.45);background:var(--surface-2);transform:translateX(3px);}
.related-list span{display:block;font-weight:400;font-size:.85rem;color:var(--muted);margin-top:5px;}

/* ---------- TOC ---------- */
.toc-aside{position:sticky;top:88px;max-height:calc(100vh - 120px);overflow-y:auto;padding-left:4px;}
.toc-aside .toc-lbl{font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.toc-aside ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line);}
.toc-aside li{margin:0;}
.toc-aside a{
  display:block;padding:7px 0 7px 14px;margin-left:-1px;border-left:2px solid transparent;
  color:var(--txt-2);font-size:.87rem;line-height:1.5;
}
.toc-aside a:hover{color:#fff;border-left-color:rgba(56,189,248,.6);}
.toc-aside a.is-active{color:var(--accent);border-left-color:var(--accent);font-weight:600;}

/* ---------- 列表页（左分类列表，非卡片网格）---------- */
.list-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;padding:34px 0 70px;align-items:start;}
.cat-side{position:sticky;top:88px;}
.cat-side .side-lbl{font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.category-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--line);}
.category-list li{margin:0;}
.category-list a{
  display:block;padding:9px 0 9px 15px;margin-left:-1px;border-left:2px solid transparent;
  color:var(--txt-2);font-size:.92rem;transition:.16s ease;
}
.category-list a:hover{color:#fff;background:rgba(56,189,248,.06);border-left-color:rgba(56,189,248,.5);}
.category-list a.is-active{color:var(--accent);border-left-color:var(--accent);font-weight:600;background:rgba(56,189,248,.08);}
.category-list a span{display:block;font-size:.78rem;color:var(--muted);font-weight:400;margin-top:3px;}

.cat-content>h1{font-size:clamp(1.5rem,1.05rem + 1.6vw,2rem);margin-bottom:12px;}
.cat-content>.cat-desc{color:var(--txt-2);margin-bottom:30px;max-width:78ch;}

.cat-longtail{margin:34px 0 6px;padding:22px 24px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);}
.cat-longtail>h2{font-size:1.12rem;margin:0 0 14px;color:var(--txt);}
.longtail-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));}
.longtail-list li{padding-left:18px;position:relative;}
.longtail-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 8px rgba(56,189,248,.6);}
.longtail-list a{color:var(--txt-2);font-size:.92rem;text-decoration:none;transition:.18s ease;}
.longtail-list a:hover{color:var(--accent);}

.entry-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.entry{
  display:block;padding:20px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);transition:.18s ease;
}
.entry:hover{border-color:rgba(56,189,248,.42);background:var(--surface-2);transform:translateY(-2px);}
.entry h3{margin:0 0 8px;font-size:1.05rem;color:var(--txt);font-weight:600;}
.entry p{margin:0 0 10px;color:var(--txt-2);font-size:.9rem;}
.entry .entry-meta{font-size:.79rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:14px;}
.entry .entry-meta b{color:var(--accent);font-weight:600;}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin:40px 0 0;list-style:none;padding:0;}
.pagination a,.pagination span{
  min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;background:var(--surface);border:1px solid var(--line);color:var(--txt-2);font-size:.9rem;
}
.pagination a:hover{border-color:var(--accent);color:#fff;}
.pagination .is-current{background:rgba(56,189,248,.14);border-color:rgba(56,189,248,.45);color:#fff;font-weight:600;}
.pagination .is-disabled{opacity:.42;cursor:not-allowed;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(11,16,32,.6),rgba(7,10,17,.95));margin-top:20px;}
.footer-in{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:38px;padding:56px 0 34px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:.88rem;max-width:44ch;}
.footer-col h4{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--txt);margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin:9px 0;}
.footer-col a{color:var(--muted);font-size:.88rem;}
.footer-col a:hover{color:var(--accent);}
.footer-bar{border-top:1px solid var(--line-soft);padding:18px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;}
.footer-bar p{margin:0;color:var(--muted);font-size:.82rem;}

/* ---------- 悬浮工具胶囊 ---------- */
.float-capsule{
  position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:95;
  display:flex;flex-direction:column;gap:10px;
}
.capsule-btn{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:60px;padding:12px 6px;border-radius:999px;cursor:pointer;
  background:rgba(15,22,38,.92);border:1px solid var(--line);
  color:var(--txt-2);font-size:.72rem;font-weight:600;line-height:1.24;text-align:center;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 10px 26px rgba(0,0,0,.42);transition:.18s ease;
}
.capsule-btn:hover{color:#fff;border-color:rgba(56,189,248,.55);transform:translateY(-2px);}
.capsule-btn .ci{font-size:1.16rem;line-height:1;}
.capsule-btn.wx{border-color:rgba(52,211,153,.45);color:#d7fbec;background:linear-gradient(160deg,rgba(52,211,153,.2),rgba(15,22,38,.94));}
.capsule-btn.wx .ci{color:var(--green);}
.capsule-btn.top{opacity:0;visibility:hidden;pointer-events:none;}
.capsule-btn.top.is-show{opacity:1;visibility:visible;pointer-events:auto;}

/* ---------- 企业微信名片弹窗 ---------- */
.wx-modal{
  position:fixed;inset:0;z-index:120;display:none;
  align-items:center;justify-content:center;padding:20px;
  background:rgba(4,7,12,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.wx-modal.is-open{display:flex;}
.wx-dialog{
  position:relative;width:300px;max-width:100%;
  background:#0f1626;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 26px 70px rgba(0,0,0,.62);overflow:hidden;
  animation:wxIn .24s ease;
}
@keyframes wxIn{from{opacity:0;transform:translateY(12px) scale(.97);}to{opacity:1;transform:none;}}
.wx-dialog .wx-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-bottom:1px solid var(--line-soft);background:var(--surface-2);
}
.wx-dialog .wx-head b{font-size:.9rem;color:#fff;font-weight:600;}
.wx-close{
  width:28px;height:28px;border-radius:8px;border:1px solid var(--line);background:transparent;
  color:var(--txt-2);cursor:pointer;font-size:1rem;line-height:1;display:grid;place-items:center;
}
.wx-close:hover{color:#fff;border-color:var(--accent);}
.wx-body{width:300px;background:#fff;line-height:0;}
.wx-body img{width:100%;height:auto;display:block;}
.wx-hint{padding:10px 14px;font-size:.76rem;color:var(--muted);text-align:center;border-top:1px solid var(--line-soft);}
.wx-hint code{font-size:.72rem;color:#7fd8ff;background:transparent;border:0;padding:0;}

/* ---------- 其它 ---------- */
.hero-facts-note{font-size:.8rem;color:var(--muted);margin-top:14px;}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center;}
.pill-list{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0;margin:0;}
.pill-list li{padding:6px 14px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--txt-2);font-size:.85rem;}
.notice{
  margin:26px 0;padding:16px 20px;border-radius:var(--radius-sm);
  background:rgba(245,165,36,.07);border:1px solid rgba(245,165,36,.28);color:var(--txt);
  font-size:.92rem;
}
.notice b{color:var(--amber);}
.timeline{list-style:none;margin:0;padding:0;}
.timeline li{position:relative;padding:0 0 26px 30px;border-left:1px solid var(--line);}
.timeline li:last-child{border-left-color:transparent;padding-bottom:0;}
.timeline li::before{content:"";position:absolute;left:-5px;top:6px;width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(56,189,248,.14);}
.timeline b{display:block;color:#fff;margin-bottom:5px;}
.timeline span{color:var(--txt-2);font-size:.9rem;}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-in{grid-template-columns:1fr;gap:40px;}
  .article-layout{grid-template-columns:1fr;gap:0;}
  .toc-aside{position:static;max-height:none;margin:0 0 26px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);}
  .list-layout{grid-template-columns:1fr;gap:26px;}
  .cat-side{position:static;}
  .footer-in{grid-template-columns:1fr 1fr;}
}
@media (max-width:880px){
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:760px){
  html{scroll-padding-top:80px;}
  .wrap{padding:0 18px;}
  .hero{padding:52px 0 44px;}
  .section{padding:50px 0;}
  .nav-toggle{display:block;}
  .nav{
    position:absolute;left:0;right:0;top:100%;margin:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    display:none;max-height:calc(100vh - 66px);overflow-y:auto;
  }
  .nav.is-open{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:12px 18px 22px;}
  .nav-list>li{border-bottom:1px solid var(--line-soft);}
  .nav-link{justify-content:space-between;padding:14px 4px;border:0;border-radius:0;font-size:.98rem;}
  .nav-link[aria-current="page"],.nav-link.is-active{background:transparent;border:0;color:var(--accent);}
  .nav-sub{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    background:transparent;border:0;padding:0 0 10px;min-width:0;display:none;
  }
  .nav-item.is-expand .nav-sub{display:block;}
  .nav-item:hover .nav-sub{display:none;}
  .nav-item.is-expand:hover .nav-sub{display:block;}
  .nav-caret{transition:transform .2s ease;}
  .nav-item.is-expand .nav-caret{transform:rotate(180deg);}
  .nav-sub a{padding:11px 14px;background:var(--surface);margin-bottom:6px;}
  .nav-cta{margin:14px 0 0;justify-content:center;border-bottom:0;}
  .nav-list>li:last-child{border-bottom:0;}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}
  .footer-in{grid-template-columns:1fr;gap:28px;padding:44px 0 26px;}
  .float-capsule{right:12px;top:auto;bottom:22px;transform:none;gap:8px;}
  .capsule-btn{width:52px;padding:10px 4px;font-size:.68rem;}
  .wx-dialog,.wx-body{width:min(300px,88vw);}
  .cat-side{display:block;}
  .cat-side.is-collapsed .category-list{display:none;}
  .side-toggle{
    width:100%;display:flex;align-items:center;justify-content:space-between;
    padding:12px 16px;margin-bottom:12px;border-radius:10px;
    background:var(--surface);border:1px solid var(--line);color:var(--txt);
    font-size:.92rem;font-weight:600;cursor:pointer;
  }
  .side-toggle::after{content:"▾";color:var(--accent);transition:transform .2s ease;}
  .cat-side.is-collapsed .side-toggle::after{transform:rotate(-90deg);}
  table.data{font-size:.85rem;}
  table.data th,table.data td{padding:10px 12px;}
}
@media (min-width:761px){.side-toggle{display:none;}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
@media print{
  .site-header,.float-capsule,.toc-aside,.site-footer,.nav-toggle{display:none !important;}
  body{background:#fff;color:#000;}
}