.lgg{
    --ink:#101113; --ink-2:#1B1D21; --ink-3:#2A2D33;
    --paper:#F4F3EF; --paper-2:#EFEDE6; --card:#FBFBF8;
    --line:#DAD6CC; --muted:#7A7568;
    --accent:#FFC400; --ok:#87E8C9; --ok-deep:#0B7A5C; --error:#C8322B;
    --sans:"Segoe UI Variable Text","Segoe UI",Inter,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    --mono:"Cascadia Mono","JetBrains Mono",Consolas,"SF Mono",monospace;
    background:var(--paper); color:var(--ink);
    font-family:var(--sans); font-size:15px; line-height:1.75; font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  .lgg *{box-sizing:border-box}
  .lgg a{color:inherit;text-decoration:none}
  .lgg .wrap{max-width:1200px;margin:0 auto;padding:0 56px}
  @media (max-width:820px){ .lgg .wrap{padding:0 22px} }

  /* type */
  .lgg .display{font-size:clamp(38px,5.4vw,72px);line-height:1.04;font-weight:500;letter-spacing:-.02em;margin:0}
  .lgg h1{font-size:40px;line-height:1.15;font-weight:600;margin:0}
  .lgg h2{font-size:26px;line-height:1.3;font-weight:600;margin:0}
  .lgg h3{font-size:18px;line-height:1.5;font-weight:600;margin:0}
  .lgg p{margin:0}
  .lgg .lede{font-size:17px;line-height:1.75;color:var(--muted)}
  .lgg .small{font-size:13px;line-height:1.7;color:var(--muted)}
  .lgg .mono{font-family:var(--mono);font-size:11px;line-height:1.5;font-weight:500;letter-spacing:.12em;text-transform:uppercase;font-variant-numeric:tabular-nums}
  @media (max-width:820px){ .lgg h1{font-size:30px} .lgg h2{font-size:22px} .lgg .lede{font-size:16px} }

  /* nav */
  .lgg .nav{border-bottom:1px solid var(--line)}
  .lgg .nav-in{display:flex;align-items:center;gap:36px;height:68px}
  .lgg .brand{display:flex;align-items:center}
  .lgg .brand svg{height:24px;width:auto;display:block}
  .lgg .nav-links{display:flex;gap:26px;font-size:14px}
  .lgg .nav-links a{color:var(--muted);transition:color .15s}
  .lgg .nav-links a:hover{color:var(--ink)}
  .lgg .nav-act{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:14px}
  .lgg .nav-act .login{color:var(--muted)}
  .lgg .nav-act .try{border-bottom:2px solid var(--ink);padding-bottom:2px;font-weight:600}
  .lgg .nav--dark{border-bottom-color:var(--ink-3);background:var(--ink)}
  .lgg .nav--dark .nav-links a{color:#8A8E96}
  .lgg .nav--dark .nav-links a:hover{color:var(--paper)}
  .lgg .nav--dark .nav-act .login{color:#8A8E96}
  .lgg .nav--dark .nav-act .try{color:var(--paper);border-bottom-color:var(--accent)}
  @media (max-width:820px){ .lgg .nav-links{display:none} .lgg .nav-in{height:58px} }

  /* buttons */
  .lgg .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 24px;border-radius:2px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer}
  .lgg .btn-primary{background:var(--accent);color:var(--ink)}
  .lgg .btn-primary:hover{background:#FFD23F}
  .lgg .btn-line{border-color:var(--ink-3);color:var(--paper)}
  .lgg .btn-line:hover{border-color:var(--paper)}
  .lgg .btn-ghost{border-color:var(--line);color:var(--ink)}
  .lgg .btn-ghost:hover{border-color:var(--ink)}
  .lgg .btn-block{width:100%}
  .lgg .arrow{font-family:var(--mono);font-size:13px}

  /* hero */
  .lgg .hero{background:var(--ink);color:var(--paper);padding:72px 0 80px}
  .lgg .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
  .lgg .eyebrow{color:var(--accent);margin-bottom:26px}
  .lgg .hero h1{color:var(--paper)}
  .lgg .hero .lede{color:#B9BCC2;margin-top:26px;max-width:44ch}
  .lgg .cta-row{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
  .lgg .hero .mono-note{color:#6E727A;margin-top:40px;letter-spacing:.1em}
  @media (max-width:960px){ .lgg .hero-grid{grid-template-columns:1fr;gap:40px} .lgg .hero{padding:52px 0 60px} }

  /* shots */
  .lgg figure{margin:0}
  .lgg .shot{display:block;width:100%;height:auto;border:1px solid var(--ink-3);border-radius:2px;background:#fff}
  .lgg .shot--light{border-color:var(--line)}
  .lgg figcaption{margin-top:12px;font-size:12px;color:var(--muted);line-height:1.6}
  .lgg figcaption b{color:var(--ink);font-weight:600}
  .lgg .hero figure figcaption{color:#8A8E96}
  .lgg .hero figure figcaption b{color:var(--paper)}

  .lgg .video-card{position:relative;display:block;margin:0;cursor:pointer}
  .lgg .vc-frame{position:relative;aspect-ratio:16/9;background:var(--ink);border-radius:2px;display:flex;align-items:center;justify-content:center}
  .lgg .video-card .play{position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;background:var(--accent);border-radius:2px;box-shadow:0 0 0 9px rgba(255,196,0,.14)}
  .lgg .video-card .play::after{content:"";position:absolute;left:25px;top:19px;border-left:16px solid var(--ink);border-top:13px solid transparent;border-bottom:13px solid transparent}
  .lgg .video-card .vtime{position:absolute;right:12px;top:12px;background:rgba(16,17,19,.8);border:1px solid var(--ink-3);color:var(--paper);padding:4px 8px;border-radius:2px;letter-spacing:.06em}
  .lgg .vrow{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;margin-bottom:56px}
  @media (max-width:900px){ .lgg .vrow{grid-template-columns:1fr;gap:28px;margin-bottom:40px} }
  .lgg .vid{display:block;width:100%;height:auto;border:1px solid var(--ink-3);border-radius:2px;background:var(--ink)}

  /* placeholder slots */
  .lgg .slot{display:flex;align-items:center;justify-content:center;border:1px dashed #C9C4B8;border-radius:2px;background:var(--paper-2);color:#8B8578;text-align:center;padding:16px}
  .lgg .slot span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;line-height:1.7}
  .lgg .ratio-16-9{aspect-ratio:16/9}

  /* proof strip */
  .lgg .proof{background:var(--ink);color:var(--paper);border-top:1px solid var(--ink-3)}
  .lgg .proof-grid{display:grid;grid-template-columns:repeat(3,1fr)}
  .lgg .proof-item{padding:34px 32px 38px;border-left:1px solid var(--ink-3)}
  .lgg .proof-item:first-child{border-left:0;padding-left:0}
  .lgg .proof-item .mono{color:#6E727A}
  .lgg .proof-item h3{margin:14px 0 8px;color:var(--paper)}
  .lgg .proof-item p{color:#9DA1A8;font-size:14px}
  @media (max-width:820px){ .lgg .proof-grid{grid-template-columns:1fr} .lgg .proof-item{border-left:0;border-top:1px solid var(--ink-3);padding:26px 0} .lgg .proof-item:first-child{border-top:0} }

  /* sections */
  .lgg .sec{padding:92px 0}
  .lgg .sec--alt{background:var(--paper-2)}
  .lgg .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
  .lgg .sec-head .mono{color:var(--muted);margin-bottom:14px}
  .lgg .sec-head p{color:var(--muted);max-width:46ch;margin-top:12px}
  .lgg .link-more{font-size:14px;font-weight:600;white-space:nowrap;border-bottom:2px solid var(--accent);padding-bottom:2px}
  @media (max-width:820px){ .lgg .sec{padding:58px 0} .lgg .sec-head{flex-direction:column;align-items:flex-start;gap:16px} }

  /* module cards */
  .lgg .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .lgg .card{background:var(--card);border:1px solid var(--line);border-radius:2px;padding:30px 28px 26px;display:flex;flex-direction:column;min-height:300px}
  .lgg .card:hover{border-color:var(--ink)}
  .lgg .card .mono{color:var(--muted)}
  .lgg .card h3{margin:16px 0 10px;font-size:20px}
  .lgg .card p{color:var(--muted);font-size:14px;flex:1}
  .lgg .card .price{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;align-items:baseline}
  .lgg .card .price b{font-family:var(--mono);font-size:16px;color:var(--ink);font-weight:600}
  @media (max-width:900px){ .lgg .cards{grid-template-columns:1fr} .lgg .card{min-height:0} }

  .lgg .mini-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
  .lgg .chip{border:1px solid var(--line);border-radius:2px;padding:9px 14px;font-size:13px;color:var(--ink);background:var(--card)}
  .lgg .chip span{color:var(--muted);font-family:var(--mono);font-size:11px;margin-left:10px}

  /* gallery */
  .lgg .gal{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;align-items:start}
  .lgg .points{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:44px;padding-top:32px;border-top:1px solid var(--line)}
  .lgg .points h3{font-size:15px;margin-bottom:6px}
  .lgg .points p{font-size:13px;color:var(--muted)}
  @media (max-width:900px){ .lgg .gal{grid-template-columns:1fr} .lgg .points{grid-template-columns:1fr;gap:20px} }

  /* price teaser */
  .lgg .teaser{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
  .lgg .teaser table{width:100%;border-collapse:collapse;font-size:14px}
  .lgg .teaser td{padding:14px 0;border-bottom:1px solid var(--line)}
  .lgg .teaser td:last-child{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}
  .lgg .teaser tr:first-child td{border-top:1px solid var(--line)}
  .lgg .teaser td .s{color:var(--muted);font-size:12px;font-family:var(--sans)}
  @media (max-width:900px){ .lgg .teaser{grid-template-columns:1fr;gap:32px} }

  /* cases */
  .lgg .case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .lgg .case{border:1px solid var(--line);border-radius:2px;background:var(--card);overflow:hidden}
  .lgg .case-b{padding:24px 26px 26px}
  .lgg .case-b h3{margin-bottom:8px}
  .lgg .case-b p{font-size:14px;color:var(--muted)}
  .lgg .case-b .tag{display:inline-block;margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--ok-deep);border:1px solid var(--ok-deep);border-radius:2px;padding:3px 8px}
  @media (max-width:820px){ .lgg .case-grid{grid-template-columns:1fr} }

  /* cta band */
  .lgg .band{background:var(--ink);color:var(--paper);padding:72px 0}
  .lgg .band-in{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
  .lgg .band h2{color:var(--paper)}
  .lgg .band p{color:#9DA1A8;margin-top:10px;font-size:14px}

  /* footer */
  .lgg .foot{background:var(--ink-2);color:#8A8E96;padding:56px 0 40px;font-size:13px}
  .lgg .foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid var(--ink-3)}
  .lgg .foot-cols{display:flex;gap:64px;flex-wrap:wrap}
  .lgg .foot-col b{display:block;color:var(--paper);font-size:13px;margin-bottom:12px;font-weight:600}
  .lgg .foot-col a{display:block;padding:4px 0}
  .lgg .foot-col a:hover{color:var(--paper)}
  .lgg .foot-legal{padding-top:26px;line-height:1.9;font-size:12px;color:#6E727A}
  .lgg .foot-legal b{color:#9DA1A8;font-weight:500}

  /* pricing page */
  .lgg .page-head{padding:72px 0 56px;border-bottom:1px solid var(--line)}
  .lgg .page-head .lede{margin-top:20px;max-width:52ch}
  .lgg .note{display:flex;gap:12px;margin-top:26px;padding:14px 16px;border-left:2px solid var(--accent);background:var(--paper-2);font-size:13px;color:#5F5A4E;max-width:74ch}
  .lgg .tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
  .lgg .tier{border:1px solid var(--line);border-radius:2px;background:var(--card);padding:28px 24px;display:flex;flex-direction:column}
  .lgg .tier h3{font-size:15px}
  .lgg .tier .amt{font-family:var(--mono);font-size:30px;font-weight:600;letter-spacing:-.02em;margin:16px 0 4px;font-variant-numeric:tabular-nums}
  .lgg .tier .amt em{font-style:normal;font-size:12px;color:var(--muted);font-weight:400;letter-spacing:0;margin-left:5px}
  .lgg .tier .sub{font-size:13px;color:var(--muted);min-height:62px;line-height:1.6}
  .lgg .tier ul{margin:18px 0 24px;flex:1}
  .lgg .tier li{list-style:none;font-size:13px;padding:8px 0;border-top:1px solid var(--line);color:var(--ink)}
  .lgg .tier li:first-child{border-top:0}
  .lgg .tier--dark{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .lgg .tier--dark .sub{color:#9DA1A8}
  .lgg .tier--dark li{border-top-color:var(--ink-3);color:var(--paper)}
  .lgg .tier--dark .amt{color:var(--paper)}
  .lgg .tier--dark .amt em{color:#8A8E96}
  .lgg .badge{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;background:var(--accent);color:var(--ink);padding:3px 8px;border-radius:2px;margin-left:8px;vertical-align:middle}
  @media (max-width:1040px){ .lgg .tiers{grid-template-columns:repeat(2,1fr)} }
  @media (max-width:700px){ .lgg .tiers{grid-template-columns:1fr} }

  /* 30 秒选完 */
  .lgg .pick3{margin-bottom:40px}
  .lgg .pick3-h{margin-bottom:22px}
  .lgg .pick3-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
  .lgg .pq{border:1px solid var(--line);border-radius:2px;background:var(--card);padding:16px 18px;display:flex;flex-direction:column;gap:3px}
  .lgg .pq:hover{border-color:var(--ink)}
  .lgg .pq b{font-size:14px;font-weight:600}
  .lgg .pq span{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:0}
  .lgg .perday{display:block;font-size:11px;color:var(--muted);font-weight:400;font-family:var(--sans);margin-top:2px;letter-spacing:0}
  @media (max-width:900px){ .lgg .pick3-row{grid-template-columns:repeat(2,1fr)} }
  @media (max-width:560px){ .lgg .pick3-row{grid-template-columns:1fr} }

  .lgg .tbl{width:100%;border-collapse:collapse;font-size:14px}
  .lgg .tbl th{text-align:left;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500;padding:0 10px 14px 0;border-bottom:1px solid var(--ink);vertical-align:bottom}
  .lgg .tbl td{padding:15px 10px 15px 0;border-bottom:1px solid var(--line);vertical-align:top}
  .lgg .tbl td:first-child{font-weight:500;white-space:nowrap}
  .lgg .tbl .r{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
  .lgg .tbl th.r{text-align:right}
  .lgg .tbl .save{color:var(--ok-deep);font-weight:600;font-family:var(--mono);font-variant-numeric:tabular-nums}
  .lgg .tbl .who{color:var(--muted);font-size:13px;font-weight:400;white-space:normal}
  .lgg .tbl .t-free{color:var(--ok-deep);font-weight:600}
  .lgg .tbl tr.pick td{background:rgba(255,196,0,.10)}
  .lgg .tbl-wrap{overflow-x:auto}
  .lgg .matrix td{text-align:center}
  .lgg .matrix td:first-child{text-align:left}
  .lgg .matrix .yes{font-size:15px}
  .lgg .matrix .no{color:#C9C4B8}
  .lgg .matrix th{text-align:center}
  .lgg .matrix th:first-child{text-align:left}

  .lgg .faq details{border-bottom:1px solid var(--line);padding:6px 0}
  .lgg .faq summary{list-style:none;cursor:pointer;padding:18px 0;font-size:15px;font-weight:600;display:flex;justify-content:space-between;gap:20px}
  .lgg .faq summary::-webkit-details-marker{display:none}
  .lgg .faq summary::after{content:"+";font-family:var(--mono);color:var(--muted)}
  .lgg .faq details[open] summary::after{content:"–"}
  .lgg .faq p{padding:0 0 20px;font-size:14px;color:var(--muted);max-width:72ch}

  .lgg .split{display:grid;grid-template-columns:1fr 1fr;gap:56px}
  @media (max-width:900px){ .lgg .split{grid-template-columns:1fr;gap:34px} }

  .lgg .pay{border:1px solid var(--line);border-radius:2px;background:var(--card);padding:28px}
  .lgg .pay dl{display:grid;grid-template-columns:auto 1fr;gap:10px 20px;margin:18px 0 0;font-size:13px}
  .lgg .pay dt{color:var(--muted)}
  .lgg .pay dd{margin:0;font-weight:500}
/* 产品页 */
  .lgg .sub-hero{padding:62px 0 54px;border-bottom:1px solid var(--line)}
  .lgg .crumb{color:var(--muted);margin-bottom:18px}
  .lgg .sub-hero .lede{margin-top:18px;max-width:56ch}
  .lgg .buyline{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:30px}
  .lgg .buyline .p{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.04em}
  .lgg .feat{display:grid;grid-template-columns:1fr 1fr;gap:0 44px;margin-top:8px}
  .lgg .feat-item{border-top:1px solid var(--line);padding:18px 0 20px}
  .lgg .feat-item h3{font-size:15px;margin-bottom:5px}
  .lgg .feat-item p{font-size:13px;color:var(--muted)}
  .lgg .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px}
  .lgg .steps--3{grid-template-columns:repeat(3,1fr)}
  .lgg .step{border-top:2px solid var(--ink);padding-top:14px}
  .lgg .step .n{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.12em}
  .lgg .step h3{font-size:15px;margin:8px 0 6px}
  .lgg .step p{font-size:13px;color:var(--muted)}
  .lgg .cmp{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:2px;overflow:hidden;margin-top:8px}
  .lgg .cmp > div{padding:22px 24px}
  .lgg .cmp > div + div{border-left:1px solid var(--line);background:var(--card)}
  .lgg .cmp h3{font-size:12px;color:var(--muted);font-family:var(--mono);letter-spacing:.1em;margin-bottom:14px}
  .lgg .cmp ul{margin:0;padding:0}
  .lgg .cmp li{list-style:none;font-size:14px;padding:9px 0;border-top:1px solid var(--line)}
  .lgg .cmp li:first-child{border-top:0}
  .lgg .cards--2{grid-template-columns:repeat(2,1fr)}
  .lgg .cards--4{grid-template-columns:repeat(4,1fr)}
  .lgg .card--flat{min-height:0}
  .lgg .card--flat h3{font-size:17px;margin:12px 0 8px}
  .lgg .foot--slim{padding:36px 0}
  .lgg .note-box{border:1px solid var(--line);border-left:2px solid var(--accent);background:var(--card);padding:16px 18px;font-size:13px;color:var(--muted);margin-top:26px;max-width:76ch}
  .lgg .demo-list{margin:0;padding:0}
  .lgg .demo-list li{list-style:none;font-size:14px;color:var(--muted);padding:14px 0;border-top:1px solid var(--line)}
  .lgg .demo-list li:first-child{border-top:0;padding-top:0}
  .lgg .demo-list li b{display:block;color:var(--ink);font-size:15px;font-weight:600;margin-bottom:4px}
  @media (max-width:900px){
    .lgg .feat{grid-template-columns:1fr}
    .lgg .steps{grid-template-columns:1fr 1fr}
    .lgg .steps--3{grid-template-columns:1fr}
    .lgg .cmp{grid-template-columns:1fr}
    .lgg .cmp > div + div{border-left:0;border-top:1px solid var(--line)}
    .lgg .cards--2,.lgg .cards--4{grid-template-columns:1fr}
  }

/* 静态站补充：body 复位 + 图片/视频不被拉变形 */
html,body{margin:0;padding:0}
body{background:#F4F3EF}
img{max-width:100%}
a{text-decoration:none}