@charset "UTF-8";
/* ==========================================================================
   DeskBox 中文官网 · 全站样式
   深色科技风 / 单一容器宽度 / 节奏带 / 三版式标题区
   ========================================================================== */

:root{
  /* 色板 */
  --bg:#070a12;
  --bg-soft:#0a0e1a;
  --panel:#0d1424;
  --panel-2:#111a2e;
  --panel-hi:#16203a;
  --line:rgba(148,163,184,.14);
  --line-hi:rgba(148,163,184,.26);
  --txt:#e8edf7;
  --txt-dim:#a3b3ca;
  --txt-mute:#6b7c96;
  --cyan:#22d3ee;
  --blue:#3b82f6;
  --violet:#8b5cf6;
  --green:#4ade80;
  --amber:#fbbf24;
  --red:#f87171;
  --grad:linear-gradient(135deg,#22d3ee,#3b82f6 55%,#8b5cf6);
  --grad-soft:linear-gradient(135deg,rgba(34,211,238,.16),rgba(59,130,246,.14) 55%,rgba(139,92,246,.14));

  /* 排版 */
  --font:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono","Cascadia Mono",Consolas,"Courier New",monospace;

  /* 布局令牌 */
  --wrap:1240px;
  --gutter:28px;
  --side:236px;
  --gap-doc:40px;
  --header-h:66px;
  --sp-section:88px;
  --sp-section-sm:60px;
  --sp-head:36px;
  --radius:16px;
  --radius-sm:11px;
  --radius-lg:22px;
  --shadow:0 18px 46px -22px rgba(0,0,0,.8);
  --shadow-hi:0 26px 60px -24px rgba(34,211,238,.26);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 24px)}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--font);font-size:16px;line-height:1.75;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 520px at 8% -6%, rgba(34,211,238,.15), transparent 62%),
    radial-gradient(1000px 600px at 96% 4%, rgba(59,130,246,.17), transparent 64%),
    radial-gradient(860px 620px at 62% 104%, rgba(139,92,246,.13), transparent 62%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(148,163,184,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(148,163,184,.055) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(1100px 680px at 50% -8%, #000 8%, transparent 82%);
  mask-image:radial-gradient(1100px 680px at 50% -8%, #000 8%, transparent 82%);
}
img,svg{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .18s}
a:hover{color:#67e8f9}
button{font-family:inherit}
::selection{background:rgba(34,211,238,.3);color:#fff}

/* 滚动条 */
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:#070a12}
::-webkit-scrollbar-thumb{background:#1e2b45;border-radius:6px;border:2px solid #070a12}
::-webkit-scrollbar-thumb:hover{background:#2c3d5e}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.wrap-narrow{max-width:900px}

/* ---------- 顶部滚动进度条 ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:120;background:var(--grad);
  box-shadow:0 0 12px rgba(34,211,238,.7)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;
  background:rgba(7,10,18,.78);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:18px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:11px;flex:none;color:var(--txt)}
.brand:hover{color:var(--txt)}
.brand img{width:32px;height:32px;border-radius:8px}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:1.06rem;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:.66rem;color:var(--txt-mute);letter-spacing:.5px}

.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.main-nav a{display:block;padding:8px 13px;border-radius:9px;font-size:.9rem;color:var(--txt-dim);
  white-space:nowrap;transition:.18s}
.main-nav a:hover{color:var(--txt);background:rgba(148,163,184,.09)}
.main-nav a.active{color:#a5f3fc;background:rgba(34,211,238,.12)}

.header-act{display:flex;align-items:center;gap:9px;flex:none}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:rgba(148,163,184,.06);color:var(--txt);cursor:pointer;padding:0;align-items:center;justify-content:center}
.nav-toggle span{position:relative;display:block;width:17px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:17px;height:2px;
  background:currentColor;border-radius:2px;transition:.2s}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:11px;border:1px solid var(--line-hi);
  background:rgba(148,163,184,.07);color:var(--txt);font-size:.92rem;font-weight:600;
  cursor:pointer;transition:.2s;white-space:nowrap;line-height:1.4}
.btn:hover{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.1);color:#a5f3fc;transform:translateY(-1px)}
.btn-primary{background:var(--grad);border-color:transparent;color:#04121b;font-weight:700;
  box-shadow:0 12px 30px -14px rgba(59,130,246,.85)}
.btn-primary:hover{color:#04121b;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(34,211,238,.7)}
.btn-lg{padding:15px 30px;font-size:1rem;border-radius:13px}
.btn-sm{padding:7px 13px;font-size:.82rem;border-radius:9px}
.btn-ghost{background:transparent}
.btn-block{width:100%}
.btn-ico{width:16px;height:16px;flex:none}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:.8rem;color:var(--txt-mute);padding-top:20px;padding-bottom:0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin:0;padding:0}
.crumbs li{display:flex;align-items:center;gap:7px}
.crumbs li::after{content:"/";color:var(--txt-mute);opacity:.55}
.crumbs li:last-child::after{display:none}
.crumbs a{color:var(--txt-mute)}
.crumbs a:hover{color:var(--cyan)}
.crumbs [aria-current="page"]{color:var(--txt-dim)}

/* ---------- 页面头 ---------- */
.page-head{padding:var(--sp-section-sm) 0 var(--sp-head)}
.page-head .pill{margin-bottom:16px}
.page-head h1{font-size:clamp(1.9rem,4.4vw,3rem);line-height:1.22;margin:0 0 16px;
  font-weight:800;letter-spacing:-.4px}
.page-head h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.page-head .lead{font-size:1.02rem;color:var(--txt-dim);max-width:820px;margin:0}
.page-head .lead strong{color:var(--txt);font-weight:600}

/* ---------- 通用标题区三版式 ---------- */
.section{padding:var(--sp-section) 0}
.section-sm{padding:var(--sp-section-sm) 0}
.section:first-child{padding-top:0}

.section-head{max-width:800px;margin:0 auto var(--sp-head);text-align:center}
.section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:14px 0 12px;font-weight:800;line-height:1.3;letter-spacing:-.2px}
.section-head p{margin:0;color:var(--txt-dim);font-size:.98rem}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:var(--sp-head);padding-bottom:18px;position:relative}
.sec-head::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(34,211,238,.65),rgba(59,130,246,.3) 34%,transparent 78%)}
.sec-head h2{font-size:clamp(1.4rem,2.8vw,1.95rem);margin:10px 0 0;font-weight:800;line-height:1.3}
.sec-head p{margin:0;color:var(--txt-dim);font-size:.92rem;max-width:520px;text-align:right;flex:none}

.rail-head{margin-bottom:24px;padding-left:15px;position:relative}
.rail-head::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--grad)}
.rail-head h2{font-size:1.24rem;margin:0 0 6px;font-weight:700;line-height:1.4}
.rail-head p{margin:0;color:var(--txt-dim);font-size:.9rem}

/* ---------- 节奏带 ---------- */
.band{background:linear-gradient(180deg,rgba(13,20,36,.85),rgba(10,14,26,.5));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative}
.band::before,.band::after{content:"";position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.34),transparent)}
.band::before{top:-1px}
.band::after{bottom:-1px}

/* ---------- 胶囊 / 徽标 ---------- */
.pill{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;
  font-size:.74rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  color:#a5f3fc;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3)}
.pill-v{color:#c4b5fd;background:rgba(139,92,246,.12);border-color:rgba(139,92,246,.32)}
.pill-g{color:#86efac;background:rgba(74,222,128,.1);border-color:rgba(74,222,128,.3)}
.pill-a{color:#fcd34d;background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.3)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}

/* ---------- 卡片 ---------- */
.card{background:linear-gradient(180deg,rgba(17,26,46,.9),rgba(13,20,36,.72));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative;
  transition:transform .22s,border-color .22s,box-shadow .22s}
.card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.34);box-shadow:var(--shadow-hi)}
.card h3{margin:0 0 9px;font-size:1.05rem;font-weight:700;line-height:1.45}
.card p{margin:0;color:var(--txt-dim);font-size:.91rem;line-height:1.75}
.card--plain{background:transparent;border-color:var(--line);box-shadow:none}
.card--accent::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:2px 2px 0 0;background:var(--grad)}
.card--accent{border-top-color:transparent}
.card--row{display:grid;grid-template-columns:42px minmax(0,1fr);gap:0 15px;align-items:start}
.card--row .card-ico{grid-row:1 / span 2;width:42px;height:42px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;background:var(--grad-soft);
  border:1px solid var(--line);color:var(--cyan);font-size:1.1rem;font-weight:800}
.card--row h3{margin-bottom:6px;align-self:center}
.card--row p{grid-column:2}
.card-num{font-size:.72rem;font-weight:800;letter-spacing:1px;color:var(--cyan);opacity:.85;
  font-family:var(--mono);display:block;margin-bottom:7px}

/* 网格 */
.grid{display:grid;gap:18px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-asym{grid-template-columns:1.35fr 1fr}
.g-side{grid-template-columns:.78fr 1.22fr}
.g-auto{grid-template-columns:repeat(auto-fit,minmax(268px,1fr))}

/* ---------- 泳道 ---------- */
.lane{display:flex;gap:0;position:relative}
.lane-item{flex:1;position:relative;padding:0 20px 0 0}
.lane-item::before{content:attr(data-num);display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--grad-soft);border:1px solid var(--line);
  color:var(--cyan);font-size:.82rem;font-weight:800;font-family:var(--mono);margin-bottom:14px}
.lane-item::after{content:"";position:absolute;top:17px;left:44px;right:6px;height:1px;
  background:linear-gradient(90deg,rgba(34,211,238,.34),transparent)}
.lane-item:last-child::after{display:none}
.lane-item h3{margin:0 0 8px;font-size:1rem;font-weight:700}
.lane-item p{margin:0;color:var(--txt-dim);font-size:.89rem}

/* ---------- Hero ---------- */
.hero{padding:74px 0 var(--sp-section-sm);position:relative}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(2.1rem,5.1vw,3.5rem);line-height:1.16;margin:18px 0 20px;
  font-weight:800;letter-spacing:-.8px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.hero-lead{font-size:1.04rem;color:var(--txt-dim);margin:0 0 26px;max-width:560px}
.hero-act{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:9px}
.hero-meta span{font-size:.78rem;color:var(--txt-mute);padding:5px 11px;border-radius:8px;
  border:1px solid var(--line);background:rgba(148,163,184,.05)}
.hero-side{position:relative}
.hero-shot{border-radius:var(--radius-lg);border:1px solid var(--line-hi);overflow:hidden;
  box-shadow:0 34px 80px -34px rgba(0,0,0,.92),0 0 0 1px rgba(255,255,255,.03) inset;
  background:#0b1120}
.hero-shot img{width:100%;height:auto}
.float-badge{position:absolute;left:-14px;bottom:26px;background:rgba(13,20,36,.94);
  border:1px solid var(--line-hi);border-radius:14px;padding:12px 16px;display:flex;align-items:center;gap:11px;
  backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.float-badge .fb-ico{width:34px;height:34px;border-radius:10px;background:var(--grad-soft);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:.95rem}
.float-badge b{display:block;font-size:.86rem}
.float-badge small{color:var(--txt-mute);font-size:.72rem}

/* ---------- 文件清单 ---------- */
.files{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.files-row{display:grid;grid-template-columns:258px minmax(0,1fr);gap:22px;padding:18px 22px;
  border-bottom:1px solid var(--line);background:rgba(13,20,36,.5)}
.files-row:last-child{border-bottom:0}
.files-row:hover{background:rgba(34,211,238,.05)}
.files-row dt{font-weight:700;font-size:.93rem;display:flex;align-items:center;gap:8px}
.files-row dd{margin:0;color:var(--txt-dim);font-size:.88rem}

/* ---------- 代码块 ---------- */
.code{background:#050810;border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;position:relative;margin:0}
.code-h{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px 14px;border-bottom:1px solid var(--line);background:rgba(148,163,184,.05);
  font-size:.76rem;color:var(--txt-mute);font-family:var(--mono)}
.code pre{margin:0;padding:15px 16px;overflow:auto}
.code code{font-family:var(--mono);font-size:.83rem;color:#a5f3fc;white-space:pre;line-height:1.7}
.code .copy{border:1px solid var(--line);background:rgba(148,163,184,.07);color:var(--txt-dim);
  border-radius:7px;padding:3px 9px;font-size:.72rem;cursor:pointer;transition:.18s}
.code .copy:hover{color:#a5f3fc;border-color:rgba(34,211,238,.45);background:rgba(34,211,238,.1)}
.code .copy.done{color:#86efac;border-color:rgba(74,222,128,.45)}

/* ---------- 步骤 ---------- */
.steps{counter-reset:st;display:flex;flex-direction:column;gap:14px;list-style:none;margin:0;padding:0}
.steps > li{counter-increment:st;position:relative;padding:18px 22px 18px 68px;
  background:rgba(13,20,36,.62);border:1px solid var(--line);border-radius:var(--radius-sm)}
.steps > li::before{content:counter(st);position:absolute;left:20px;top:18px;
  width:30px;height:30px;border-radius:9px;background:var(--grad-soft);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--cyan);
  font-family:var(--mono);font-weight:800;font-size:.83rem}
.steps > li h3{margin:0 0 7px;font-size:.98rem;font-weight:700}
.steps > li p{margin:0;color:var(--txt-dim);font-size:.89rem}
.steps > li p + p{margin-top:8px}
.steps > li .code{margin-top:12px}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(13,20,36,.5)}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.89rem}
thead th{text-align:left;padding:13px 18px;font-size:.8rem;font-weight:700;letter-spacing:.4px;
  color:var(--txt-dim);background:rgba(148,163,184,.07);border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{padding:13px 18px;border-bottom:1px solid var(--line);color:var(--txt-dim);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:rgba(34,211,238,.045)}
tbody td strong{color:var(--txt);font-weight:600}
table code{font-family:var(--mono);font-size:.84em;color:#a5f3fc;
  background:rgba(34,211,238,.09);padding:2px 6px;border-radius:5px}

/* ---------- 时间线（更新日志） ---------- */
.tl{position:relative;padding-left:30px}
.tl::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(34,211,238,.6),rgba(59,130,246,.28) 46%,transparent)}
.tl-item{position:relative;padding:0 0 40px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-30px;top:7px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid rgba(34,211,238,.6);box-shadow:0 0 0 4px rgba(34,211,238,.1)}
.tl-item.latest::before{border-color:#22d3ee;background:#22d3ee;box-shadow:0 0 0 5px rgba(34,211,238,.18)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:11px;margin-bottom:12px}
.tl-ver{font-family:var(--mono);font-size:1.1rem;font-weight:800;color:var(--txt)}
.tl-date{font-size:.8rem;color:var(--txt-mute);font-family:var(--mono)}
.tl-body{color:var(--txt-dim);font-size:.91rem}
.tl-body ul{margin:0;padding-left:20px}
.tl-body li{margin-bottom:9px}
.tl-body li::marker{color:rgba(34,211,238,.7)}
.tl-body strong{color:var(--txt);font-weight:600}

.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:.68rem;font-weight:800;
  letter-spacing:.5px;margin-right:7px;vertical-align:1px}
.tag-new{color:#86efac;background:rgba(74,222,128,.13)}
.tag-fix{color:#fcd34d;background:rgba(251,191,36,.13)}
.tag-opt{color:#a5f3fc;background:rgba(34,211,238,.13)}
.tag-chg{color:#c4b5fd;background:rgba(139,92,246,.13)}

/* 图例 */
.legend{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.legend span{display:inline-flex;align-items:center;gap:7px;font-size:.79rem;color:var(--txt-dim);
  padding:5px 12px;border-radius:8px;border:1px solid var(--line);background:rgba(148,163,184,.05)}
.legend i{width:9px;height:9px;border-radius:3px;display:block}

/* ---------- 手风琴 FAQ ---------- */
.acc{display:flex;flex-direction:column;gap:11px}
.acc-item{border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;
  background:rgba(13,20,36,.6);transition:border-color .2s}
.acc-item:hover{border-color:var(--line-hi)}
.acc-item.open{border-color:rgba(34,211,238,.38);background:rgba(13,20,36,.85)}
.acc-q{width:100%;display:flex;align-items:flex-start;gap:14px;text-align:left;
  padding:17px 20px;background:none;border:0;color:var(--txt);font-size:.97rem;font-weight:600;
  cursor:pointer;line-height:1.6}
.acc-q:hover{color:#a5f3fc}
.acc-q .ico{margin-left:auto;flex:none;width:22px;height:22px;border-radius:6px;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:.9rem;color:var(--cyan);transition:.25s;line-height:1}
.acc-item.open .acc-q .ico{transform:rotate(45deg);background:rgba(34,211,238,.14)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-a-in{padding:0 20px 19px 20px;color:var(--txt-dim);font-size:.91rem}
.acc-a-in p{margin:0 0 10px}
.acc-a-in p:last-child{margin-bottom:0}
.acc-a-in ul{margin:8px 0 10px;padding-left:20px}
.acc-a-in li{margin-bottom:6px}
.acc-a-in strong{color:var(--txt);font-weight:600}
.acc-a-in code{font-family:var(--mono);font-size:.85em;color:#a5f3fc;
  background:rgba(34,211,238,.09);padding:2px 6px;border-radius:5px}

/* ---------- 提示块 ---------- */
.note{border-radius:var(--radius-sm);padding:15px 19px;font-size:.89rem;
  border:1px solid var(--line);background:rgba(148,163,184,.06);color:var(--txt-dim);
  display:flex;gap:12px;align-items:flex-start}
.note .n-ico{flex:none;font-weight:800;font-size:.95rem;line-height:1.5}
.note b{color:var(--txt);font-weight:700}
.note-warn{border-color:rgba(251,191,36,.34);background:rgba(251,191,36,.09);color:#fde68a}
.note-warn b,.note-warn strong{color:#fcd34d}
.note-danger{border-color:rgba(248,113,113,.36);background:rgba(248,113,113,.09);color:#fecaca}
.note-danger b,.note-danger strong{color:#fca5a5}
.note-ok{border-color:rgba(74,222,128,.32);background:rgba(74,222,128,.08);color:#bbf7d0}
.note-info{border-color:rgba(34,211,238,.3);background:rgba(34,211,238,.08);color:#a5f3fc}

/* ---------- 下载页主入口 ---------- */
.dl-hero{display:grid;grid-template-columns:1.22fr .78fr;gap:26px;align-items:stretch;
  padding:30px;border-radius:var(--radius-lg);border:1px solid rgba(34,211,238,.3);
  background:linear-gradient(135deg,rgba(34,211,238,.09),rgba(59,130,246,.07) 52%,rgba(139,92,246,.09));
  position:relative;overflow:hidden}
.dl-hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 300px at 92% -12%,rgba(34,211,238,.2),transparent 68%)}
.dl-hero-lead{position:relative}
.dl-hero-lead h2{font-size:clamp(1.3rem,2.5vw,1.7rem);margin:14px 0 12px;font-weight:800;line-height:1.32}
.dl-hero-lead p{margin:0 0 22px;color:var(--txt-dim);font-size:.94rem;max-width:520px}
.dl-hero-act{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.dl-hero-meta{display:flex;flex-wrap:wrap;gap:9px;position:relative}
.dl-hero-meta span{font-size:.76rem;padding:5px 12px;border-radius:999px;color:#a5f3fc;
  border:1px solid rgba(34,211,238,.28);background:rgba(34,211,238,.09)}
.dl-hero-side{display:flex;flex-direction:column;gap:14px;position:relative}
.dl-hero-side .code{background:rgba(5,8,16,.72)}
.dl-hero-side .label{font-size:.76rem;color:var(--txt-mute);margin-bottom:8px;display:block;
  letter-spacing:.4px}

/* ---------- 二维码卡 ---------- */
.qr-card{display:inline-block;padding:13px;border-radius:14px;background:#fff;line-height:0;
  border:1px solid rgba(255,255,255,.14);box-shadow:0 14px 34px -16px rgba(0,0,0,.85)}
.qr-card img{width:150px;height:150px;border-radius:6px}
.qr-card--lg img{width:212px;height:212px}
.qr-card--lg{padding:15px}

/* ---------- 下载弹窗 ---------- */
.dl-modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:18px}
.dl-modal[hidden]{display:none}
.dl-modal-mask{position:absolute;inset:0;background:rgba(3,6,12,.78);backdrop-filter:blur(7px)}
.dl-modal-box{position:relative;width:100%;max-width:820px;max-height:calc(100vh - 36px);overflow-y:auto;
  background:linear-gradient(180deg,#101a2e,#0b1120);border:1px solid var(--line-hi);
  border-radius:var(--radius-lg);padding:30px;box-shadow:0 40px 90px -30px rgba(0,0,0,.95);
  animation:dlIn .24s ease}
@keyframes dlIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.dl-modal-x{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:rgba(148,163,184,.08);color:var(--txt-dim);
  font-size:1.25rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.18s}
.dl-modal-x:hover{color:#fca5a5;border-color:rgba(248,113,113,.45);background:rgba(248,113,113,.12)}
.dl-modal-head{margin-bottom:24px;padding-right:44px}
.dl-modal-head h2{font-size:clamp(1.2rem,2.4vw,1.55rem);margin:12px 0 9px;font-weight:800;line-height:1.32}
.dl-modal-head p{margin:0;color:var(--txt-dim);font-size:.9rem}
.dl-modal-body{display:grid;grid-template-columns:296px minmax(0,1fr);gap:28px;align-items:start}
.dl-modal-qr{text-align:center}
.dl-modal-qr .cap{margin-top:13px;font-size:.86rem;color:var(--txt);font-weight:600}
.dl-modal-qr .sub{margin-top:5px;font-size:.76rem;color:var(--txt-mute);line-height:1.6}
.dl-modal-act{display:flex;flex-direction:column;gap:12px}
.dl-mini{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.dl-mini li{position:relative;padding-left:20px;font-size:.83rem;color:var(--txt-mute)}
.dl-mini li::before{content:"";position:absolute;left:4px;top:9px;width:5px;height:5px;border-radius:50%;
  background:rgba(34,211,238,.75)}
.dl-modal-foot{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:26px;padding-top:18px;border-top:1px solid var(--line);
  font-size:.75rem;color:var(--txt-mute)}
body.dl-lock{overflow:hidden}

/* ---------- 灯箱 ---------- */
.lb{position:fixed;inset:0;z-index:210;display:flex;align-items:center;justify-content:center;padding:24px}
.lb[hidden]{display:none}
.lb-mask{position:absolute;inset:0;background:rgba(3,6,12,.88);backdrop-filter:blur(6px)}
.lb-box{position:relative;max-width:1180px;width:100%;max-height:calc(100vh - 48px);
  display:flex;flex-direction:column;align-items:center;gap:14px}
.lb-box img{max-height:calc(100vh - 160px);width:auto;max-width:100%;border-radius:12px;
  background:#f7f9fc;border:1px solid var(--line-hi);box-shadow:0 30px 70px -30px rgba(0,0,0,.95)}
.lb-cap{color:var(--txt-dim);font-size:.86rem;text-align:center}
.lb-cap b{color:var(--txt);display:block;margin-bottom:3px}
.lb-x,.lb-nav{position:absolute;border:1px solid var(--line-hi);background:rgba(13,20,36,.92);
  color:var(--txt);cursor:pointer;border-radius:11px;display:flex;align-items:center;justify-content:center;transition:.18s}
.lb-x{top:-6px;right:0;width:40px;height:40px;font-size:1.3rem;line-height:1}
.lb-nav{top:50%;transform:translateY(-50%);width:44px;height:60px;font-size:1.4rem}
.lb-nav:hover,.lb-x:hover{border-color:rgba(34,211,238,.5);color:#a5f3fc}
.lb-prev{left:-58px}
.lb-next{right:-58px}

/* ---------- 截图网格 ---------- */
.shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}
.shot{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(13,20,36,.6);cursor:zoom-in;transition:transform .22s,border-color .22s;text-align:left;
  padding:0;width:100%;display:block}
.shot:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.36)}
.shot-img{background:#f7f9fc;display:block;padding:0}
.shot-img img{width:100%;height:auto}
.shot-cap{padding:14px 17px;border-top:1px solid var(--line)}
.shot-cap b{display:block;font-size:.92rem;color:var(--txt);margin-bottom:4px}
.shot-cap span{font-size:.8rem;color:var(--txt-mute);line-height:1.6}
.shots--mid{grid-template-columns:minmax(0,780px);justify-content:center}

/* ---------- 文档双栏 ---------- */
.doc{display:grid;grid-template-columns:var(--side) minmax(0,1fr);gap:var(--gap-doc);align-items:start}
.doc-toc{position:sticky;top:calc(var(--header-h) + 24px);max-height:calc(100vh - var(--header-h) - 48px);
  overflow-y:auto;padding-right:6px}
.doc-toc .toc-title{font-size:.72rem;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;
  color:var(--txt-mute);margin-bottom:12px;padding-left:12px}
.toc{display:flex;flex-direction:column;gap:1px;border-left:1px solid var(--line)}
.toc a{display:block;padding:7px 12px;font-size:.85rem;color:var(--txt-mute);
  border-left:2px solid transparent;margin-left:-1px;transition:.18s;line-height:1.5}
.toc a:hover{color:var(--txt);background:rgba(148,163,184,.05)}
.toc a.active{color:#a5f3fc;border-left-color:var(--cyan);background:rgba(34,211,238,.08)}
.toc-toggle{display:none}
.doc-main{min-width:0}
.doc-main > .wrap{max-width:none;padding:0;margin:0}
.doc-main .section:first-child{padding-top:0}

/* ---------- 相关阅读 ---------- */
.related{margin-top:var(--sp-section-sm);padding-top:34px;border-top:1px solid var(--line)}
.related h2{font-size:1.05rem;margin:0 0 18px;font-weight:700;color:var(--txt-dim);
  font-size:.8rem;letter-spacing:1px;text-transform:uppercase}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.rel-card{display:block;padding:17px 19px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(13,20,36,.6);transition:.2s;color:var(--txt)}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.36);color:var(--txt)}
.rel-card b{display:block;font-size:.93rem;margin-bottom:5px;font-weight:700}
.rel-card span{font-size:.82rem;color:var(--txt-mute);line-height:1.6}

/* ---------- prose ---------- */
.prose{max-width:840px}
.prose h2{font-size:1.42rem;margin:44px 0 16px;font-weight:800;position:relative;padding-left:16px;line-height:1.35}
.prose h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:2px;background:var(--grad)}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.08rem;margin:28px 0 12px;font-weight:700}
.prose p{margin:0 0 15px;color:var(--txt-dim)}
.prose ul,.prose ol{color:var(--txt-dim);padding-left:22px;margin:0 0 16px}
.prose li{margin-bottom:8px}
.prose li::marker{color:rgba(34,211,238,.7)}
.prose strong{color:var(--txt);font-weight:600}
.prose code{font-family:var(--mono);font-size:.85em;color:#a5f3fc;
  background:rgba(34,211,238,.09);padding:2px 6px;border-radius:5px}
.prose .note{margin:20px 0}

/* ---------- CTA ---------- */
.cta{padding:52px 44px;border-radius:var(--radius-lg);text-align:center;position:relative;overflow:hidden;
  border:1px solid rgba(34,211,238,.28);
  background:linear-gradient(135deg,rgba(34,211,238,.1),rgba(59,130,246,.08) 52%,rgba(139,92,246,.1))}
.cta::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 300px at 50% -20%,rgba(34,211,238,.22),transparent 70%)}
.cta h2{font-size:clamp(1.4rem,2.9vw,2rem);margin:0 0 13px;font-weight:800;position:relative}
.cta p{color:var(--txt-dim);margin:0 auto 26px;max-width:600px;position:relative;font-size:.96rem}
.cta-act{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;position:relative}

/* ---------- Footer ---------- */
.site-footer{margin-top:var(--sp-section);border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,14,26,.6),rgba(5,8,16,.9));padding:58px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.55fr .8fr .8fr 1fr;gap:38px;margin-bottom:38px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:15px}
.foot-brand img{width:32px;height:32px;border-radius:8px}
.foot-brand b{font-size:1.06rem;font-weight:800}
.foot-desc{color:var(--txt-mute);font-size:.86rem;margin:0;max-width:330px;line-height:1.75}
.foot-col h4{font-size:.78rem;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;
  color:var(--txt-dim);margin:0 0 15px}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:.87rem;color:var(--txt-mute)}
.foot-col a:hover{color:var(--cyan)}
.foot-qr{display:flex;gap:11px;align-items:center}
.foot-qr .qr-card{padding:7px}
.foot-qr .qr-card img{width:74px;height:74px;border-radius:4px}
.foot-qr small{font-size:.78rem;color:var(--txt-mute);line-height:1.6}
.foot-qr small b{display:block;color:var(--txt-dim);margin-bottom:3px}
.foot-bottom{padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;align-items:center;font-size:.79rem;color:var(--txt-mute)}
.foot-bottom a{color:var(--txt-mute)}
.foot-bottom a:hover{color:var(--cyan)}
.foot-updated{font-size:.76rem;color:var(--txt-mute);opacity:.85}

/* ---------- 回顶 ---------- */
.to-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:12px;z-index:90;
  border:1px solid var(--line-hi);background:rgba(13,20,36,.92);color:var(--txt-dim);
  cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;
  opacity:0;visibility:hidden;transition:.25s;backdrop-filter:blur(10px)}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{color:#a5f3fc;border-color:rgba(34,211,238,.5);transform:translateY(-3px)}

/* ---------- 404 ---------- */
.err-hero{min-height:62vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:var(--sp-section) 0}
.err-code{font-size:clamp(4.5rem,15vw,9rem);font-weight:800;line-height:1;font-family:var(--mono);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;letter-spacing:-3px}

/* ---------- 计数器 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px}
.stat{padding:22px;border:1px solid var(--line);border-radius:var(--radius);text-align:center;
  background:rgba(13,20,36,.6)}
.stat b{display:block;font-size:1.75rem;font-weight:800;font-family:var(--mono);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;line-height:1.25}
.stat span{font-size:.81rem;color:var(--txt-mute);display:block;margin-top:6px}

/* ---------- 对比表强调 ---------- */
.tbl-hl td{background:rgba(34,211,238,.06)}
.yes{color:#86efac;font-weight:700}
.no{color:#fca5a5;font-weight:700}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  :root{--sp-section:70px;--sp-section-sm:50px;--gap-doc:28px;--side:210px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-side{order:-1}
  .foot-grid{grid-template-columns:1.4fr .8fr .8fr;gap:30px}
  .foot-col:last-child{grid-column:span 3}
  .lb-prev{left:8px}
  .lb-next{right:8px}
}
@media (max-width:1020px){
  .doc{grid-template-columns:minmax(0,1fr);gap:0}
  .doc-toc{position:static;max-height:none;overflow:visible;padding:0;margin-bottom:26px;
    border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(13,20,36,.6)}
  .toc-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;
    padding:14px 17px;background:none;border:0;color:var(--txt);font-size:.91rem;font-weight:700;cursor:pointer}
  .toc-toggle .ico{transition:.25s;color:var(--cyan);width:20px;height:20px;border-radius:6px;
    border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:.85rem}
  .doc-toc .toc-title{display:none}
  .toc{max-height:0;overflow:hidden;border-left:0;transition:max-height .3s ease;padding:0 10px}
  .doc-toc.open .toc{max-height:760px;padding-bottom:10px}
  .doc-toc.open .toc-toggle .ico{transform:rotate(45deg)}
  .toc a{border-left:0;border-radius:8px;padding:9px 13px}
  .toc a.active{background:rgba(34,211,238,.12)}
}
@media (max-width:900px){
  :root{--gutter:20px;--header-h:60px}
  .nav-toggle{display:flex}
  .main-nav{position:fixed;left:0;right:0;top:var(--header-h);margin:0;
    background:rgba(7,10,18,.98);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease}
  .main-nav.open{max-height:78vh;overflow-y:auto}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:10px 14px 18px}
  .main-nav a{padding:13px 14px;font-size:.98rem;border-radius:10px}
  .header-act .btn{display:none}
  .g-3,.g-4,.g-2,.g-asym,.g-side{grid-template-columns:minmax(0,1fr)}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .sec-head p{text-align:left;max-width:none}
  .lane{flex-direction:column;gap:26px}
  .lane-item{padding:0}
  .lane-item::after{display:none}
  .dl-hero{grid-template-columns:minmax(0,1fr);padding:24px}
  .dl-hero-side{border-top:1px solid var(--line);padding-top:22px}
  .dl-modal-body{grid-template-columns:minmax(0,1fr);gap:24px}
  .dl-modal-box{padding:24px}
  .shots{grid-template-columns:minmax(0,1fr)}
  .files-row{grid-template-columns:minmax(0,1fr);gap:8px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-col:last-child{grid-column:span 2}
  .cta{padding:40px 24px}
  .float-badge{left:auto;right:14px;bottom:14px}
}
@media (max-width:720px){
  :root{--sp-section:56px;--sp-section-sm:42px}
  body{font-size:15px}
  table.stack{min-width:0}
  table.stack thead{display:none}
  table.stack,table.stack tbody{display:block}
  table.stack tbody tr{display:block;padding:8px 16px 12px;border-bottom:1px solid var(--line)}
  table.stack tbody tr:last-child{border-bottom:0}
  table.stack tbody td{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px;
    padding:8px 0;border:0;width:auto}
  table.stack tbody td::before{content:attr(data-label);font-size:.78rem;color:var(--txt-mute);
    line-height:1.7}
  .table-wrap{border-radius:var(--radius-sm)}
  .doc-main .section{padding-left:0;padding-right:0}
  .tl{padding-left:24px}
  .tl-item::before{left:-24px;width:13px;height:13px}
}
@media (max-width:560px){
  :root{--gutter:16px}
  .hero{padding:44px 0 40px}
  .hero-act .btn,.cta-act .btn,.dl-hero-act .btn{width:100%}
  .page-head h1{font-size:1.7rem}
  .acc-q{padding:15px 16px;font-size:.93rem}
  .acc-a-in{padding:0 16px 17px}
  .steps > li{padding:16px 17px 16px 60px}
  .steps > li::before{left:16px}
  .card{padding:19px}
  .dl-hero{padding:20px}
  .dl-modal-box{padding:18px;border-radius:var(--radius)}
  .dl-modal-body{gap:18px}
  .qr-card--lg img{width:180px;height:180px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-col:last-child{grid-column:span 1}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta{padding:32px 18px}
  .code code{white-space:pre-wrap;word-break:break-word}
  .lb{padding:12px}
  .lb-nav{display:none}
  .stat-row{grid-template-columns:1fr 1fr}
  .stat b{font-size:1.4rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}