/* =========================================================
   AngelPE 官网 — 样式表
   主题：纯净 / 安全 / 优雅（浅色）
   ========================================================= */

:root{
  --brand:#3f6ef7;
  --brand-600:#3460e8;
  --brand-soft:#eaf0ff;
  --violet:#8b7bf7;
  --amber:#f5b841;
  --green:#22a06b;
  --red:#e0483d;

  --ink:#0f172a;
  --ink-2:#33415c;
  --muted:#5f6d87;
  --line:#e4e9f4;
  --line-2:#eef2fa;

  --bg:#ffffff;
  --soft:#f6f8fd;
  --soft-2:#f0f4fd;

  --radius:16px;
  --radius-lg:22px;
  --radius-sm:10px;

  --shadow-1:0 1px 2px rgba(15,23,42,.04), 0 6px 18px rgba(15,23,42,.05);
  --shadow-2:0 2px 6px rgba(15,23,42,.05), 0 18px 44px rgba(15,23,42,.09);
  --shadow-brand:0 10px 28px rgba(63,110,247,.24);

  --maxw:1200px;
  --header-h:68px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
}

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

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}

body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{color:var(--ink);line-height:1.3;margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;cursor:pointer}

code{
  font-family:var(--mono);
  font-size:.86em;
  background:var(--soft-2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  color:var(--brand-600);
  word-break:break-all;
}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn .ico{width:18px;height:18px;flex:none}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

.btn-primary{background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{box-shadow:0 14px 34px rgba(63,110,247,.34)}

.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-1)}
.btn-ghost:hover{border-color:#c9d7f7;color:var(--brand-600)}

.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}

/* ---------------- 顶部导航 ---------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(15,23,42,.05)}

.header-inner{height:var(--header-h);display:flex;align-items:center;gap:20px}

.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:34px;height:34px;flex:none}
.logo-mark svg{width:100%;height:100%}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;letter-spacing:.02em;color:var(--ink)}
.logo-text i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.12em}

.nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav a{
  position:relative;
  padding:8px 12px;border-radius:8px;
  font-size:14.5px;color:var(--ink-2);
  transition:color .18s ease, background .18s ease;
}
.nav a:hover{color:var(--brand-600);background:var(--soft)}
.nav a.is-current{color:var(--brand-600)}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

.nav-toggle{
  display:none;width:40px;height:38px;
  border:1px solid var(--line);border-radius:10px;background:#fff;
  padding:0 10px;flex-direction:column;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s ease, opacity .22s 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)}

/* ---------------- Hero ---------------- */
.hero{position:relative;overflow:hidden;padding:76px 0 84px;background:
  radial-gradient(1100px 520px at 12% -8%, #eef3ff 0%, rgba(238,243,255,0) 62%),
  radial-gradient(760px 420px at 92% 4%, #f3efff 0%, rgba(243,239,255,0) 60%),
  var(--bg);}

.hero-bg{position:absolute;inset:0;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(50px);opacity:.5}
.orb-1{width:340px;height:340px;left:-110px;top:-80px;background:#c9dbff}
.orb-2{width:300px;height:300px;right:-80px;top:40px;background:#e0d6ff}
.orb-3{width:220px;height:220px;left:44%;bottom:-130px;background:#d9e9ff}

.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  font-size:13px;font-weight:600;color:var(--brand-600);
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(34,160,107,.14)}

.hero h1{
  margin:20px 0 0;
  font-size:clamp(34px, 5.2vw, 58px);
  font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,#0f172a 20%,#3f6ef7 62%,#8b7bf7 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 .h1-sub{display:block;font-size:.44em;font-weight:700;letter-spacing:.06em;margin-top:10px;
  -webkit-text-fill-color:var(--muted);color:var(--muted)}

.hero-lead{margin-top:18px;font-size:17px;color:var(--muted);max-width:56ch}

.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin:26px 0 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero-meta li{display:flex;flex-direction:column}
.hero-meta strong{font-size:19px;color:var(--ink);letter-spacing:-.01em}
.hero-meta span{font-size:12.5px;color:var(--muted)}

.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tip{margin-top:16px;font-size:13px;color:var(--muted)}

/* Hero 视觉 */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:340px}
.hero-visual .shot-frame{
  position:relative;z-index:2;
  width:min(100%,520px);
  cursor:zoom-in;
  animation:floaty 7s ease-in-out infinite;
}
.hero-visual .shot-frame:focus-visible{outline:3px solid var(--brand);outline-offset:4px}

@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

.floater{
  position:absolute;z-index:3;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  font-size:12.5px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;
  animation:floaty 6s ease-in-out infinite;
}
.f-1{top:6%;left:-6px;animation-delay:.2s}
.f-2{bottom:16%;right:-10px;animation-delay:1.1s}
.f-3{bottom:-2%;left:8%;animation-delay:2s}

/* ---------------- 通用区块 ---------------- */
.section{padding:88px 0}
.section-soft{background:var(--soft)}

.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.eyebrow{
  display:inline-block;margin-bottom:14px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-600);
}
.section-head h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.02em}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}

/* ---------------- 软件介绍 ---------------- */
.intro-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.intro-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.intro-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d5e0fb}
.intro-ico{display:block;font-size:26px;margin-bottom:12px}
.intro-card h3{font-size:17px;margin-bottom:8px}
.intro-card p{font-size:14.5px;color:var(--muted)}

/* ---------------- 核心特点 ---------------- */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.feature-card{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--muted)}
.feature-card b{color:var(--ink);font-weight:600}

.fico{
  display:flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:13px;margin-bottom:16px;
}
.fico svg{width:24px;height:24px}
.fico-blue{background:rgba(63,110,247,.1);color:var(--brand)}
.fico-violet{background:rgba(139,123,247,.12);color:var(--violet)}
.fico-green{background:rgba(34,160,107,.1);color:var(--green)}
.fico-amber{background:rgba(245,184,65,.14);color:#d99a13}
.fico-cyan{background:rgba(56,182,201,.12);color:#1f9cb3}

/* ---------------- 界面预览 Tabs ---------------- */
.tab-list{
  display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:28px;
  padding:6px;background:var(--soft-2);border:1px solid var(--line);border-radius:999px;
}
.tab{
  border:0;background:transparent;border-radius:999px;
  padding:9px 16px;font-size:14px;font-weight:600;color:var(--muted);
  transition:background .18s ease, color .18s ease, box-shadow .18s ease;
}
.tab:hover{color:var(--brand-600)}
.tab.is-active{background:#fff;color:var(--brand-600);box-shadow:var(--shadow-1)}

.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:fadeUp .36s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 模拟窗口 */
.mock-window{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:#fff;box-shadow:var(--shadow-2);max-width:920px;margin:0 auto;
}
.mock-bar{
  display:flex;align-items:center;gap:6px;
  padding:12px 16px;background:linear-gradient(180deg,#f4f7fd,#eaf0fa);
  border-bottom:1px solid var(--line);
}
.mock-bar i{width:11px;height:11px;border-radius:50%;background:#dfe5f0}
.mock-bar i:nth-child(1){background:#ffbdb5}
.mock-bar i:nth-child(2){background:#ffe0a3}
.mock-bar i:nth-child(3){background:#c4edc2}
.mock-bar span{margin-left:10px;font-size:12.5px;color:var(--muted);font-weight:600}

.mock-body{padding:22px}
.mk-steps{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.mk-steps span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:var(--soft-2);color:var(--muted);font-weight:600;
}
.mk-steps .on{background:rgba(34,160,107,.1);color:var(--green)}
.mk-steps .cur{background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff}

.mk-main{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mk-device{
  display:flex;align-items:center;gap:12px;
  padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--soft);
}
.mk-u{width:34px;height:22px;border-radius:5px;background:linear-gradient(135deg,var(--brand),var(--violet));position:relative;flex:none}
.mk-u::after{content:"";position:absolute;right:-7px;top:6px;width:10px;height:8px;border-radius:2px;background:#c3d0ea}
.mk-device b{display:block;font-size:14px;color:var(--ink)}
.mk-device em{font-style:normal;font-size:12.5px;color:var(--muted)}
.mk-ok{margin-left:auto;font-size:11.5px;font-weight:700;color:var(--green);background:rgba(34,160,107,.1);padding:3px 9px;border-radius:999px}

.mk-opts li{
  display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  padding:9px 0;border-bottom:1px dashed var(--line);
  font-size:13.5px;
}
.mk-opts li:last-child{border-bottom:0}
.mk-opts span{color:var(--muted);flex:none}
.mk-opts b{color:var(--ink);text-align:right}

.mk-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.mk-btn{padding:9px 22px;border-radius:999px;font-size:13.5px;font-weight:600;background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff}
.mk-btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}

/* 模拟启动屏 */
.mock-screen{
  max-width:920px;margin:0 auto;
  background:linear-gradient(160deg,#0b1220,#131d33);
  border-radius:14px;padding:32px;color:#dbe6ff;
  box-shadow:var(--shadow-2);font-family:var(--mono);
}
.ms-title{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:#7f95c8;margin-bottom:20px}
.ms-menu li{padding:7px 14px;border-radius:6px;font-size:14.5px;color:#c2d2f2}
.ms-menu li.on{background:rgba(63,110,247,.24);color:#fff;box-shadow:inset 2px 0 0 var(--brand)}
.ms-foot{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#7f95c8}

.mock-screen.uefi .ms-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.ms-tile{
  padding:20px 16px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
  transition:transform .18s ease, background .18s ease;
}
.ms-tile b{display:block;font-size:16px;color:#fff;font-family:var(--font)}
.ms-tile em{font-style:normal;font-size:12px;color:#8ea3cf;font-family:var(--font)}
.ms-tile.on{background:rgba(63,110,247,.22);border-color:rgba(99,140,255,.6)}

/* 模拟 PE 桌面 */
.mock-desktop{
  position:relative;max-width:920px;margin:0 auto;
  height:440px;border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow-2);border:1px solid var(--line);
  display:flex;flex-direction:column;justify-content:space-between;
}
.md-icons{display:grid;grid-template-columns:repeat(auto-fill,86px);gap:22px;padding:28px 26px;align-content:start}
.md-icons span{
  font-size:12px;text-align:center;color:#fff;
  text-shadow:0 1px 3px rgba(0,0,0,.4);
  padding-top:46px;position:relative;
}
.md-icons span::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:38px;height:38px;border-radius:9px;
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.35);
  backdrop-filter:blur(4px);
}
.md-bar{
  display:flex;align-items:center;gap:12px;
  height:46px;padding:0 18px;
  background:rgba(12,18,32,.72);backdrop-filter:blur(10px);
  color:#e8eeff;font-size:12.5px;
}
.md-start{font-style:normal;font-size:16px;color:#9fc0ff}

.mock-desktop.linux{background:linear-gradient(150deg,#12352b,#0b1f1c 60%)}
.mock-desktop.d2003{background:linear-gradient(150deg,#2b4b8f,#12203f 65%)}
.mock-desktop.d8{background:linear-gradient(150deg,#1f5f8b,#0d2233 65%)}
.mock-desktop.d10{background:linear-gradient(150deg,#2b6ca3,#122a45 65%)}
.mock-desktop.d11{background:linear-gradient(150deg,#3f6ef7,#8b7bf7 55%,#2a2f5e 100%)}

/* ---------------- 内置工具 ---------------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:20px}
.tool-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease;
}
.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tico{display:block;font-size:30px;margin-bottom:14px}
.tool-card h3{font-size:18px;margin-bottom:10px}
.tool-card p{font-size:14.5px;color:var(--muted)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-list li{
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-600);
}

.plugin-box{
  margin-top:28px;padding:32px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.plugin-head h3{font-size:20px}
.plugin-head p{margin-top:8px;color:var(--muted);font-size:14.5px}
.plugin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:24px}
.plugin-item{
  padding:18px 20px;border-radius:12px;background:var(--soft);border:1px solid var(--line-2);
}
.plugin-item b{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}
.plugin-item span{font-size:13.5px;color:var(--muted)}
.plugin-tip{
  margin-top:20px;padding:14px 18px;border-radius:12px;
  background:rgba(245,184,65,.1);border:1px solid rgba(245,184,65,.28);
  font-size:13.5px;color:#8a6210;
}

/* ---------------- 版本对比 ---------------- */
.compare-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;max-width:960px;margin:0 auto}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 28px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.plan-card.is-featured{border-color:rgba(63,110,247,.4);box-shadow:var(--shadow-2)}
.plan-ribbon{
  position:absolute;top:-12px;right:24px;
  padding:5px 14px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff;
  font-size:12px;font-weight:700;box-shadow:var(--shadow-brand);
}
.plan-head{padding-bottom:20px;border-bottom:1px solid var(--line)}
.plan-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--soft-2);color:var(--muted);font-size:12px;font-weight:700;
}
.plan-tag-hot{background:rgba(63,110,247,.1);color:var(--brand-600)}
.plan-head h3{font-size:19px;margin-top:12px}
.plan-size{margin-top:6px;font-size:14px;color:var(--muted)}
.plan-list{padding:22px 0;flex:1}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);margin-bottom:12px}
.plan-list .ck{
  flex:none;width:20px;height:20px;border-radius:50%;
  background:rgba(34,160,107,.12);color:var(--green);
  font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700;
}

/* ---------------- 注意事项 ---------------- */
.notice-box{
  max-width:960px;margin:0 auto;padding:36px;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
}
.notice-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.notice-ico{
  flex:none;width:34px;height:34px;border-radius:50%;
  background:rgba(245,184,65,.16);color:#d99a13;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;
}
.notice-head h2{font-size:22px}
.notice-head p{margin-left:auto;font-size:13.5px;color:var(--muted)}
.notice-list li{
  position:relative;padding-left:26px;font-size:14.8px;margin-bottom:14px;color:var(--ink-2);
}
.notice-list li:last-child{margin-bottom:0}
.notice-list li::before{
  content:"";position:absolute;left:6px;top:11px;
  width:7px;height:7px;border-radius:50%;background:var(--amber);
}
.notice-list b{color:var(--ink)}

/* ---------------- FAQ ---------------- */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:#cddcfb}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;
  font-weight:600;font-size:16px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--soft)}
.faq-arrow{
  margin-left:auto;flex:none;width:22px;height:22px;border-radius:50%;
  background:var(--soft-2);position:relative;transition:transform .24s ease, background .2s ease;
}
.faq-arrow::before,.faq-arrow::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--muted);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-arrow::before{width:10px;height:2px}
.faq-arrow::after{width:2px;height:10px;transition:opacity .2s ease}
.faq-item[open] .faq-arrow{transform:rotate(180deg);background:var(--brand-soft)}
.faq-item[open] .faq-arrow::after{opacity:0}
.faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--muted);animation:fadeUp .3s ease both}

/* ---------------- 更新日志 ---------------- */
.log-wrap{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-1)}
.log-version{display:flex;align-items:center;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:20px}
.log-badge{
  padding:6px 16px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff;
  font-weight:700;font-size:15px;
}
.log-date{font-size:14px;color:var(--muted)}
.log-list li{
  display:flex;gap:12px;align-items:baseline;
  padding:9px 0;border-bottom:1px dashed var(--line-2);font-size:14.6px;
}
.log-list li:last-child{border-bottom:0}
.lg-t{
  flex:none;min-width:46px;text-align:center;
  font-size:11.5px;font-weight:700;padding:3px 8px;border-radius:6px;
}
.lg-new{background:rgba(34,160,107,.12);color:var(--green)}
.lg-up{background:rgba(63,110,247,.1);color:var(--brand-600)}
.lg-opt{background:rgba(139,123,247,.12);color:#6a57e8}
.lg-fix{background:rgba(224,72,61,.1);color:var(--red)}
.lg-del{background:rgba(95,109,135,.1);color:var(--muted)}
.lg-chg{background:rgba(245,184,65,.16);color:#b8800f}
.log-ps{
  margin-top:20px;padding:14px 18px;border-radius:12px;
  background:var(--soft);font-size:13.5px;color:var(--muted);
}

/* ---------------- 下载 ---------------- */
.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:22px}
.dl-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 28px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.dl-card.is-primary{border-color:rgba(63,110,247,.4);box-shadow:var(--shadow-2)}
.dl-ver{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--soft-2);color:var(--muted);font-size:12px;font-weight:700;
}
.dl-ver-hot{background:rgba(63,110,247,.1);color:var(--brand-600)}
.dl-head h3{font-size:19px;margin:12px 0 10px}
.dl-head p{font-size:14.3px;color:var(--muted)}
.dl-meta{margin:22px 0;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dl-meta div{display:flex;flex-direction:column;gap:3px;margin-bottom:12px}
.dl-meta div:last-child{margin-bottom:0}
.dl-meta dt{font-size:12px;color:var(--muted)}
.dl-meta dd{font-size:13.6px;color:var(--ink);font-family:var(--mono);word-break:break-all}

.hash{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
.hash summary{
  cursor:pointer;list-style:none;font-size:13.5px;font-weight:600;color:var(--brand-600);
  display:flex;align-items:center;gap:6px;
}
.hash summary::-webkit-details-marker{display:none}
.hash summary::before{content:"▸";transition:transform .2s ease;display:inline-block}
.hash[open] summary::before{transform:rotate(90deg)}
.hash-body{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.hash-body p{font-size:12.5px}
.hash-body b{display:block;color:var(--muted);margin-bottom:3px;font-size:11.5px;letter-spacing:.05em}
.hash-body code{display:block;font-size:11.5px;line-height:1.6}

.cert-box{
  margin-top:28px;padding:32px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid rgba(224,72,61,.24);box-shadow:var(--shadow-1);
}
.cert-box h3{font-size:20px;margin-bottom:14px;color:var(--ink)}
.cert-box p{font-size:14.5px;color:var(--muted);margin-bottom:12px}
.cert-box b{color:var(--ink)}
.cert-modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px;margin:18px 0}
.cert-modes span{
  padding:11px 16px;border-radius:10px;background:var(--soft);
  border:1px solid var(--line-2);font-size:13.4px;color:var(--ink-2);
}
.cert-warn{
  margin:0;padding:14px 18px;border-radius:12px;
  background:rgba(224,72,61,.07);border:1px solid rgba(224,72,61,.2);
  color:#a8342c;font-size:13.8px;
}

/* ---------------- 页脚 ---------------- */
.site-footer{background:#0d1526;color:#9fb0cd;padding:64px 0 32px;margin-top:0}
.footer-inner{display:grid;grid-template-columns:1.2fr 2fr;gap:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text i{color:#7f95c8}
.footer-brand p{font-size:14px;color:#8b9dbd;max-width:38ch}

.footer-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-nav h4{font-size:14px;color:#fff;margin-bottom:14px}
.footer-nav a{display:block;font-size:13.8px;color:#8b9dbd;padding:5px 0;transition:color .18s ease}
.footer-nav a:hover{color:#a9c2ff}

.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.8px;color:#6d7f9e;
}
.disclaimer{max-width:60ch}

/* ---------------- 回到顶部 ---------------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand-600);box-shadow:var(--shadow-2);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease, transform .22s ease, visibility .22s ease;
}
.to-top svg{width:20px;height:20px}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------------- 滚动入场 ---------------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------------- 响应式 ---------------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:-1;min-height:300px}
  .floater{font-size:11.5px}
  .footer-inner{grid-template-columns:1fr;gap:36px}
}

@media (max-width:860px){
  .nav{
    position:absolute;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:12px 20px 20px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 16px 30px rgba(15,23,42,.08);
    display:none;
  }
  .nav.is-open{display:flex}
  .nav a{padding:12px 14px;font-size:15.5px}
  .nav-toggle{display:flex}
  .header-actions .btn-primary{display:none}

  .section{padding:64px 0}
  .hero{padding:48px 0 60px}
  .mk-main{grid-template-columns:1fr}
  .mock-desktop{height:380px}
  .notice-box,.plugin-box,.cert-box,.log-wrap{padding:24px}
  .notice-head{flex-wrap:wrap}
  .notice-head p{margin-left:0;flex-basis:100%}
}

@media (max-width:560px){
  .container{padding:0 18px}
  .hero-meta{gap:18px}
  .hero-cta .btn{width:100%}
  .floater{display:none}
  .intro-grid,.feature-grid,.tool-grid,.download-grid,.compare-grid{grid-template-columns:1fr}
  .footer-nav{grid-template-columns:1fr 1fr}
  .log-list li{flex-wrap:wrap}
  .tab-list{border-radius:16px;justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
}

/* =========================================================
   多页面：页面头部 / 面包屑 / 文档 / 社区
   ========================================================= */

/* 站点定位声明条 */
.community-bar{
  background:linear-gradient(120deg,#0f172a,#22376b 55%,#3f6ef7);
  color:#c9d8ff;
}
.community-bar .container{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
  padding-top:13px;padding-bottom:13px;
}
.cb-tag{
  flex:none;padding:4px 12px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  font-size:12px;font-weight:700;color:#fff;letter-spacing:.04em;
}
.community-bar p{font-size:13.4px;color:#b9c9ee}
.community-bar a{color:#a9c2ff;text-decoration:underline;text-underline-offset:2px}
.community-bar a:hover{color:#fff}

/* 子页面头部 */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 56px;
  background:
    radial-gradient(760px 320px at 18% -20%, #e6eeff 0%, rgba(230,238,255,0) 62%),
    radial-gradient(620px 300px at 88% -10%, #efeaff 0%, rgba(239,234,255,0) 62%),
    var(--soft);
  border-bottom:1px solid var(--line);
}
.page-hero .eyebrow{margin-bottom:10px}
.page-hero h1{font-size:clamp(26px,4vw,40px);letter-spacing:-.02em}
.page-hero .ph-lead{margin-top:14px;font-size:16px;color:var(--muted);max-width:62ch}
.page-hero .ph-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.ph-pill{
  padding:5px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:12.5px;font-weight:600;color:var(--ink-2);box-shadow:var(--shadow-1);
}
.ph-pill b{color:var(--brand-600)}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:16px;
}
.breadcrumb a{color:var(--muted);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .cur{color:var(--ink-2);font-weight:600}

/* 首页：快速下载条 */
.quick-dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.qd-card{
  display:flex;align-items:center;gap:18px;
  padding:24px 26px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.qd-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d5e0fb}
.qd-ico{
  flex:none;width:50px;height:50px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;font-size:24px;
  background:var(--brand-soft);
}
.qd-ico.hot{background:linear-gradient(135deg,rgba(63,110,247,.16),rgba(139,123,247,.18))}
.qd-txt{flex:1;min-width:0}
.qd-txt h3{font-size:17px}
.qd-txt p{font-size:13.2px;color:var(--muted);margin-top:3px}
.qd-btn{
  flex:none;padding:10px 20px;border-radius:999px;font-size:14px;font-weight:600;
  background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff;
  box-shadow:var(--shadow-brand);transition:transform .18s ease;
}
.qd-btn.plain{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-1)}
.qd-btn:hover{transform:translateY(-2px)}

/* 文档卡片（教程 / 关于） */
.doc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.doc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease;
}
.doc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.doc-card h3{font-size:18px;margin-bottom:12px}
.doc-card p{font-size:14.3px;color:var(--muted);margin-bottom:12px}
.doc-card ol,.doc-card ul{display:flex;flex-direction:column;gap:8px}
.doc-card li{font-size:14.2px;color:var(--ink-2);padding-left:20px;position:relative}
.doc-card li::before{
  content:"";position:absolute;left:4px;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--brand);opacity:.6;
}
.doc-card code{font-size:12.5px}

/* 步骤条 */
.step-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;counter-reset:step}
.step-item{
  position:relative;padding:28px 24px 26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);
}
.step-item::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:-16px;left:24px;
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--violet));color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;box-shadow:var(--shadow-brand);
}
.step-item h3{font-size:17px;margin:14px 0 10px}
.step-item p{font-size:14.2px;color:var(--muted)}

/* 提示框 */
.callout{
  padding:22px 26px;border-radius:var(--radius);
  background:var(--soft);border:1px solid var(--line-2);
  font-size:14.5px;color:var(--ink-2);
}
.callout b{color:var(--ink)}
.callout.warn{background:rgba(245,184,65,.1);border-color:rgba(245,184,65,.3);color:#8a6210}
.callout.info{background:rgba(63,110,247,.06);border-color:rgba(63,110,247,.2)}
.callout + .callout{margin-top:16px}

/* 关于页 */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
.prose h2{font-size:22px;margin-bottom:14px}
.prose h3{font-size:17px;margin:26px 0 10px}
.prose p{font-size:15px;color:var(--ink-2);margin-bottom:14px}
.prose ul{display:flex;flex-direction:column;gap:9px;margin-bottom:14px}
.prose li{font-size:14.6px;color:var(--ink-2);padding-left:20px;position:relative}
.prose li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand);opacity:.65}
.prose a{color:var(--brand-600);text-decoration:underline;text-underline-offset:2px}

.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-1);
}
.side-card + .side-card{margin-top:20px}
.side-card h3{font-size:17px;margin-bottom:14px}
.side-card p{font-size:14px;color:var(--muted);margin-bottom:14px}

.link-grid{display:flex;flex-wrap:wrap;gap:10px}
.link-grid a{
  padding:7px 14px;border-radius:999px;
  background:var(--soft);border:1px solid var(--line-2);
  font-size:13.4px;font-weight:600;color:var(--ink-2);
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}
.link-grid a:hover{color:var(--brand-600);border-color:#c9d7f7;background:var(--brand-soft)}

/* 站点地图（关于页） */
.sitemap-list{display:grid;gap:10px}
.sitemap-list a{
  display:flex;align-items:center;gap:12px;
  padding:13px 18px;border-radius:12px;
  background:var(--soft);border:1px solid var(--line-2);
  font-size:14.2px;font-weight:600;color:var(--ink-2);
  transition:color .18s ease, border-color .18s ease;
}
.sitemap-list a:hover{color:var(--brand-600);border-color:#c9d7f7}
.sitemap-list a span{margin-left:auto;font-size:12.5px;font-weight:500;color:var(--muted)}

/* 相关页面推荐（页脚上方） */
.related{
  background:var(--soft);border-top:1px solid var(--line);
  padding:56px 0;
}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.rel-card{
  display:block;padding:22px 24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rel-card b{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}
.rel-card span{font-size:13.4px;color:var(--muted)}

/* =========================================================
   响应式补充（多页面）
   ========================================================= */
@media (max-width:980px){
  .about-grid{grid-template-columns:1fr}
}
@media (max-width:860px){
  .page-hero{padding:38px 0 42px}
  .qd-card{flex-wrap:wrap}
  .qd-btn{width:100%;text-align:center}
}
@media (max-width:560px){
  .community-bar .container{gap:8px 14px}
  .community-bar p{font-size:12.6px}
  .step-list,.doc-grid{grid-template-columns:1fr}
}

/* =========================================================
   实拍截图展示 + 灯箱
   ========================================================= */

/* 单一截图（preview 页面 tab 内） */
.shot-frame{
  max-width:920px;margin:0 auto;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:#fff;box-shadow:var(--shadow-2);
  position:relative;
}
.shot-frame img{display:block;width:100%;height:auto;cursor:zoom-in}
.shot-cap{
  position:absolute;left:16px;bottom:16px;
  display:flex;align-items:center;gap:10px;
  padding:8px 14px;border-radius:999px;
  background:rgba(15,23,42,.72);
  backdrop-filter:blur(8px);
  color:#fff;font-size:12.5px;font-weight:600;max-width:calc(100% - 32px);
}
.shot-tag{
  background:linear-gradient(135deg,#f5b841,#ffcf6a);
  color:#0f172a;padding:3px 9px;border-radius:999px;
  font-size:10.5px;font-weight:800;letter-spacing:.04em;flex:none;
}

/* 三张并排卡片（首页） */
.shot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.shot-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease, box-shadow .2s ease;
  cursor:zoom-in;display:block;
}
.shot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.shot-card:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.shot-card img{display:block;width:100%;height:auto;pointer-events:none}
.shot-card .cap{padding:18px 20px}
.shot-card .cap b{display:block;font-size:15.5px;color:var(--ink);margin-bottom:4px}
.shot-card .cap span{font-size:13.4px;color:var(--muted);line-height:1.55}

@media (max-width:860px){
  .shot-grid{grid-template-columns:1fr;gap:16px}
}

/* 灯箱 */
.lightbox{
  position:fixed;inset:0;z-index:200;
  background:rgba(8,12,24,.88);
  backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;
  padding:32px;
  opacity:0;visibility:hidden;
  transition:opacity .22s ease, visibility .22s ease;
}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox img{
  max-width:100%;max-height:100%;
  border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.5);
  transform:scale(.96);transition:transform .28s ease;
}
.lightbox.is-open img{transform:none}
.lb-close{
  position:absolute;top:20px;right:20px;
  width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.1);color:#fff;
  border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .18s ease;
}
.lb-close:hover{background:rgba(255,255,255,.2)}
.lb-close svg{width:18px;height:18px}
.lb-cap{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  padding:8px 18px;border-radius:999px;
  background:rgba(15,23,42,.72);color:#e5edff;
  font-size:13px;backdrop-filter:blur(6px);max-width:calc(100% - 64px);text-align:center;
}

/* 模拟界面上的「社区示意」小标签 */
.ms-note{
  display:inline-block;margin-left:10px;padding:2px 8px;border-radius:999px;
  background:rgba(255,255,255,.1);color:#9eb0d8;
  font-style:normal;font-size:10.5px;font-weight:700;letter-spacing:.04em;
}
.mock-desktop .ms-note{background:rgba(255,255,255,.2);color:#fff}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}