/* ============================================================
   电商采集大师 · 站点设计系统 v2（2026-10 重设计）
   深空蓝 + 品牌蓝/青渐变；只用于新页面（index / download），
   旧页面仍用 /css/style.css，互不影响。
   ============================================================ */
:root{
  --bg:#05070d; --bg2:#080c16; --bg3:#0d1424; --panel:#0f1729; --panel2:#121c31;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --ink:#f4f7fd; --ink2:#cbd5e8; --muted:#93a1bd; --faint:#66738f;
  --brand:#4c8dff; --brand-d:#2f6df0; --brand-l:rgba(76,141,255,.14);
  --cyan:#22d3ee; --green:#34d399; --amber:#fbbf24; --rose:#fb7185;
  --grad:linear-gradient(135deg,#4c8dff 0%,#22d3ee 100%);
  --radius:14px; --radius-lg:20px;
  --shadow:0 30px 70px -30px rgba(0,0,0,.85);
  --shadow-sm:0 10px 30px -14px rgba(0,0,0,.7);
  --maxw:1160px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink2);
  font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 480px at 18% -8%,rgba(76,141,255,.16),transparent 60%),
    radial-gradient(760px 420px at 88% 4%,rgba(34,211,238,.10),transparent 62%),
    radial-gradient(700px 500px at 50% 110%,rgba(47,109,240,.10),transparent 65%);
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:#7db0ff}
.container{width:min(var(--maxw),calc(100% - 40px));margin:0 auto;position:relative;z-index:1}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
code,pre{font-family:var(--mono);font-size:.92em}
code{background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.22);border-radius:6px;padding:.1em .45em;color:#9cc0ff}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(5,7,13,.78);border-bottom:1px solid var(--line);
}
.nav .container{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:17px;letter-spacing:.2px}
.brand img{width:26px;height:26px;border-radius:7px}
.nav-links{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink2);font-size:14.5px;font-weight:500;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--grad);transition:right .25s;border-radius:2px}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{right:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:12px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-p{background:var(--grad);color:#04101f;box-shadow:0 12px 34px -14px rgba(76,141,255,.75)}
.btn.btn-p,.nav-links a.btn-p,.nav-links a.btn-p:hover{color:#04101f}
.btn-p:hover{color:#04101f;box-shadow:0 18px 40px -14px rgba(76,141,255,.9)}
.btn-o{border-color:var(--line2);color:var(--ink);background:rgba(255,255,255,.03)}
.btn-o:hover{border-color:rgba(76,141,255,.6);background:var(--brand-l);color:var(--ink)}
.btn-g{background:rgba(52,211,153,.13);border-color:rgba(52,211,153,.35);color:#6ee7b7}
.btn-lg{padding:14px 30px;font-size:16px;border-radius:13px}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:10px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{padding:84px 0 70px;position:relative}
.hero .container{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.chip{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  background:rgba(76,141,255,.1);border:1px solid rgba(76,141,255,.3);
  color:#a9c6ff;font-size:13.5px;font-weight:600;letter-spacing:.02em;
}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(52,211,153,.22);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(52,211,153,.22)}50%{box-shadow:0 0 0 6px rgba(52,211,153,.06)}}
.hero h1{font-size:clamp(34px,4.6vw,54px);line-height:1.14;margin:22px 0 18px;font-weight:900;letter-spacing:-.02em}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:17.5px;color:var(--muted);max-width:540px;line-height:1.8}
.hero-cta{display:flex;gap:14px;margin:30px 0 22px;flex-wrap:wrap}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--faint);font-size:13.5px}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{width:15px;height:15px;color:var(--green);flex:none}

/* ---------- 自绘扩展面板（不用截图） ---------- */
.pm{
  position:relative;border-radius:var(--radius-lg);border:1px solid var(--line2);
  background:linear-gradient(180deg,var(--panel2),var(--panel));
  box-shadow:var(--shadow);overflow:hidden;
  transform:perspective(1600px) rotateY(-7deg) rotateX(2deg);
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.pm:hover{transform:perspective(1600px) rotateY(-3deg) rotateX(1deg)}
.pm::before{
  content:"";position:absolute;inset:0 0 auto;height:1px;
  background:linear-gradient(90deg,transparent,rgba(76,141,255,.7),rgba(34,211,238,.5),transparent);
}
.pm-head{display:flex;align-items:center;gap:9px;padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.pm-head .ic{width:26px;height:26px;border-radius:8px;background:var(--grad);display:grid;place-items:center;font-size:13px;color:#04101f;font-weight:900}
.pm-head .tt{font-size:13.5px;font-weight:700;color:var(--ink)}
.pm-head .plat{font-size:11.5px;color:var(--faint);border:1px solid var(--line2);border-radius:999px;padding:2px 9px}
.pm-head .pro{margin-left:auto;font-size:11px;font-weight:800;color:#0a1a12;background:var(--green);border-radius:999px;padding:3px 10px}
.pm-tabs{display:flex;gap:6px;padding:10px 14px 0}
.pm-tab{flex:1;text-align:center;font-size:12.5px;padding:9px 4px 11px;color:var(--muted);border-bottom:2px solid transparent;font-weight:600;cursor:default}
.pm-tab b{display:block;font-size:16px;color:var(--ink);font-weight:800}
.pm-tab.on{color:#a9c6ff;border-color:var(--brand)}
.pm-tab.on b{color:#a9c6ff}
.pm-body{padding:14px 16px 16px}
.pm-label{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;color:var(--faint);margin:0 0 9px;letter-spacing:.04em;text-transform:uppercase}
.pm-label .n{color:var(--cyan)}
.pm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:14px}
.pm-tile{
  aspect-ratio:4/3;border-radius:10px;position:relative;overflow:hidden;
  border:1px solid var(--line);display:grid;place-items:center;
}
.pm-tile span{font-size:10.5px;font-weight:700;color:rgba(255,255,255,.85);background:rgba(0,0,0,.42);padding:2px 8px;border-radius:999px;backdrop-filter:blur(4px);z-index:1}
.pm-tile.t1{background:linear-gradient(140deg,#1b2b4d,#0f1c36 60%,#16305a)}
.pm-tile.t2{background:linear-gradient(140deg,#14313f,#0d2231 60%,#154a56)}
.pm-tile.t3{background:linear-gradient(140deg,#2a2340,#171430 60%,#3a2b58)}
.pm-tile.t4{background:linear-gradient(140deg,#1d3a2c,#10251c 60%,#1c4f38)}
.pm-tile.t5{background:linear-gradient(140deg,#3c2b1e,#241a11 60%,#54401f)}
.pm-tile.t6{background:linear-gradient(140deg,#33202b,#1e121a 60%,#4d2738)}
.pm-tile::after{content:"";position:absolute;inset:0;background:
  linear-gradient(120deg,transparent 30%,rgba(255,255,255,.09) 46%,transparent 60%)}
.pm-table{border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:12px}
.pm-row{display:grid;grid-template-columns:1.2fr .8fr .7fr .7fr;gap:8px;padding:8px 11px;align-items:center;border-top:1px solid var(--line)}
.pm-row:first-child{border-top:0;background:rgba(76,141,255,.12);color:#a9c6ff;font-weight:700;font-size:11.5px}
.pm-row:nth-child(even){background:rgba(255,255,255,.02)}
.pill{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11px;font-weight:700;border:1px solid}
.pill.b{color:#8fb6ff;background:rgba(76,141,255,.16);border-color:rgba(76,141,255,.35)}
.pill.c{color:#7de3f6;background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.3)}
.pill.g{color:#6ee7b7;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.3)}
.pm-prog{margin-top:14px;border:1px solid rgba(76,141,255,.3);background:rgba(76,141,255,.08);border-radius:11px;padding:11px 13px}
.pm-prog .row{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink);font-weight:700}
.pm-prog .row i{font-style:normal;color:var(--cyan)}
.pm-bar{height:7px;border-radius:99px;background:rgba(255,255,255,.1);margin:9px 0 6px;overflow:hidden}
.pm-bar i{display:block;height:100%;width:100%;background:var(--grad);border-radius:99px}
.pm-prog .hint{font-size:11.5px;color:var(--faint)}
.pm-foot{display:flex;gap:8px;margin-top:12px}
.pm-foot div{flex:1;text-align:center;font-size:12.5px;font-weight:700;padding:9px 0;border-radius:10px;border:1px solid var(--line2);color:var(--ink2);background:rgba(255,255,255,.03)}
.pm-foot div:first-child{border-color:rgba(76,141,255,.45);color:#a9c6ff;background:var(--brand-l)}
.float-badge{
  position:absolute;z-index:3;background:rgba(13,20,36,.92);border:1px solid var(--line2);
  border-radius:12px;padding:9px 13px;font-size:12.5px;color:var(--ink);box-shadow:var(--shadow-sm);
  backdrop-filter:blur(8px);display:flex;align-items:center;gap:8px;font-weight:600;
}
.float-badge .em{width:8px;height:8px;border-radius:50%;flex:none}
.fb1{top:172px;right:-32px}
.fb1 .em{background:var(--green);box-shadow:0 0 0 3px rgba(52,211,153,.2)}
.fb2{bottom:26px;left:-26px}
.fb2 .em{background:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.2)}
.hero-visual{position:relative}

/* ---------- stats ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.015)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 0}
.stat b{display:block;font-size:30px;font-weight:900;color:var(--ink);letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:13.5px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:88px 0;position:relative}
.section.alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.018) 18%,rgba(255,255,255,.018) 82%,transparent);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.shead{text-align:center;max-width:720px;margin:0 auto 52px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.shead h2{font-size:clamp(26px,3.2vw,36px);font-weight:900}
.shead p{color:var(--muted);font-size:16.5px;margin:0}

/* ---------- bento features ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.card{
  grid-column:span 2;background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;position:relative;overflow:hidden;
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(76,141,255,.45);box-shadow:0 26px 60px -34px rgba(76,141,255,.6)}
.card.wide{grid-column:span 4}
.card.half{grid-column:span 3}
.card .ic{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--brand-l);border:1px solid rgba(76,141,255,.32);
}
.card .ic svg{width:22px;height:22px;stroke:#8fb6ff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.card .ic.cy{background:rgba(34,211,238,.11);border-color:rgba(34,211,238,.3)}
.card .ic.cy svg{stroke:#7de3f6}
.card .ic.gr{background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.3)}
.card .ic.gr svg{stroke:#6ee7b7}
.card .ic.am{background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.3)}
.card .ic.am svg{stroke:#fcd34d}
.card h3{font-size:18.5px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8}
.card .tag{position:absolute;top:20px;right:20px;font-size:11px;font-weight:800;color:#04101f;background:var(--grad);border-radius:999px;padding:3px 11px;letter-spacing:.03em}
/* 整合包文件树（自绘视觉） */
.tree{margin-top:18px;border:1px solid var(--line);border-radius:12px;background:rgba(0,0,0,.28);padding:14px 16px;font-family:var(--mono);font-size:12.5px;line-height:2;color:var(--ink2)}
.tree .d{color:#8fb6ff}.tree .f{color:var(--muted)}
.tree .k{color:#7de3f6}
/* 价格迷你柱（差评分析视觉） */
.minibars{display:flex;align-items:flex-end;gap:7px;height:64px;margin-top:18px}
.minibars i{flex:1;border-radius:5px 5px 0 0;background:linear-gradient(180deg,rgba(76,141,255,.9),rgba(76,141,255,.25));min-height:8px}
.minibars i.hi{background:linear-gradient(180deg,rgba(52,211,153,.95),rgba(52,211,153,.3))}
.minibars i.low{background:linear-gradient(180deg,rgba(251,113,133,.9),rgba(251,113,133,.28))}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 24px;position:relative;
}
.step::before{
  counter-increment:s;content:counter(s);position:absolute;top:-16px;left:24px;
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#04101f;
  font-weight:900;display:grid;place-items:center;font-size:16px;box-shadow:0 10px 26px -10px rgba(76,141,255,.8)
}
.step h3{font-size:17px;margin:10px 0 8px}
.step p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- platforms ---------- */
.plats{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.plat{
  display:flex;align-items:center;gap:9px;padding:12px 22px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink);font-weight:700;font-size:15px;
  transition:border-color .2s,transform .2s;
}
.plat:hover{border-color:rgba(76,141,255,.5);transform:translateY(-3px)}
.plat i{width:9px;height:9px;border-radius:3px;flex:none}

/* ---------- showcase ---------- */
.showcase{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:18px}
.shot{
  border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);
  padding:20px;min-height:250px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .25s,transform .25s;
}
.shot:hover{border-color:rgba(76,141,255,.4);transform:translateY(-4px)}
.shot h4{font-size:15.5px;margin:0}
.shot .sm{font-size:13px;color:var(--faint);margin:0;line-height:1.7}
/* 评论分析自绘 */
.stars{display:flex;gap:3px;color:var(--amber);font-size:15px}
.kw{display:flex;flex-wrap:wrap;gap:7px}
.kw span{font-size:12px;padding:4px 11px;border-radius:999px;border:1px solid var(--line2);color:var(--ink2);background:rgba(255,255,255,.04)}
.kw span.neg{border-color:rgba(251,113,133,.4);color:#fda4af;background:rgba(251,113,133,.1)}
.kw span.pos{border-color:rgba(52,211,153,.35);color:#6ee7b7;background:rgba(52,211,153,.1)}
.donut{display:flex;align-items:center;gap:16px}
.donut .ring{
  width:86px;height:86px;border-radius:50%;flex:none;
  background:conic-gradient(var(--green) 0 96%,rgba(255,255,255,.09) 96% 100%);
  display:grid;place-items:center;position:relative;
}
.donut .ring::after{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--panel)}
.donut .ring b{position:relative;z-index:1;font-size:19px;color:var(--ink);font-weight:900}
.donut .legend{font-size:12.5px;color:var(--muted);line-height:2}
/* 长图视觉 */
.longimg{flex:1;display:flex;gap:12px;align-items:stretch}
.longimg .strip{width:54px;border-radius:10px;border:1px solid var(--line);background:linear-gradient(180deg,#1b2b4d,#0f1c36 30%,#14313f 60%,#2a2340);position:relative;overflow:hidden;min-height:150px}
.longimg .strip::after{content:"13576 px";position:absolute;bottom:8px;left:50%;transform:translateX(-50%);font-size:9.5px;color:rgba(255,255,255,.75);font-family:var(--mono);background:rgba(0,0,0,.4);padding:2px 6px;border-radius:5px;white-space:nowrap}
.longimg .meta{font-size:13px;color:var(--muted);line-height:2}

/* ---------- pricing ---------- */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.price-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));position:relative;
}
.price-card.hot{
  border:1.5px solid transparent;
  background:
    linear-gradient(180deg,rgba(15,23,41,.98),rgba(15,23,41,.98)) padding-box,
    var(--grad) border-box;
  box-shadow:0 34px 70px -36px rgba(76,141,255,.75);
  transform:translateY(-6px);
}
.price-card .badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--grad);color:#04101f;font-size:12px;font-weight:900;padding:5px 16px;border-radius:999px;letter-spacing:.05em;
}
.price-card h3{font-size:18px;margin-bottom:6px}
.price-card .pdesc{font-size:13.5px;color:var(--faint);min-height:40px;margin-bottom:6px}
.price{font-size:40px;font-weight:900;color:var(--ink);letter-spacing:-.03em;line-height:1.1;margin:10px 0 4px}
.price small{font-size:15px;font-weight:600;color:var(--muted);letter-spacing:0}
.price-card ul{list-style:none;padding:0;margin:20px 0 24px;display:flex;flex-direction:column;gap:11px}
.price-card li{display:flex;gap:10px;font-size:14px;color:var(--ink2);line-height:1.6}
.price-card li svg{width:16px;height:16px;flex:none;margin-top:5px;stroke:var(--green);fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.price-card li.no{color:var(--faint)}
.price-card li.no svg{stroke:var(--faint);stroke-width:2.4}
.pnote{margin-top:26px;text-align:center;font-size:13.5px;color:var(--faint);max-width:820px;margin-left:auto;margin-right:auto;line-height:1.9}

/* ---------- compare table ---------- */
.cmp{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;font-size:14.5px}
.cmp th,.cmp td{padding:14px 18px;text-align:left;border-top:1px solid var(--line)}
.cmp thead th{background:rgba(76,141,255,.1);color:var(--ink);font-size:14px;letter-spacing:.02em;border-top:0}
.cmp thead th:nth-child(2){color:#8fb6ff}
.cmp thead th:nth-child(3){color:#6ee7b7}
.cmp tbody tr:hover{background:rgba(255,255,255,.03)}
.cmp td:first-child{color:var(--ink);font-weight:600}
.yes{color:var(--green);font-weight:800}
.no{color:var(--faint)}

/* ---------- faq ---------- */
.faq{max-width:840px;margin:0 auto}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.022);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s;
}
.faq details[open]{border-color:rgba(76,141,255,.42);background:rgba(76,141,255,.05)}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;color:var(--ink);
  font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";color:var(--brand);font-size:20px;font-weight:600;transition:transform .25s;flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9;margin:0}
.faq .ans a{color:#8fb6ff;text-decoration:underline;text-underline-offset:3px}

/* ---------- SEO/GEO 段落 ---------- */
.about{max-width:860px;margin:0 auto;color:var(--muted);font-size:15.5px;line-height:2}
.about h3{font-size:19px;margin-top:26px}
.about ul{padding-left:1.3em;margin:0 0 1em}
.about li{margin-bottom:.4em}

/* ---------- cta ---------- */
.cta{
  border:1px solid rgba(76,141,255,.35);border-radius:24px;padding:56px 40px;text-align:center;
  background:
    radial-gradient(600px 200px at 50% -40%,rgba(76,141,255,.3),transparent 70%),
    linear-gradient(180deg,rgba(76,141,255,.09),rgba(34,211,238,.04));
}
.cta h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.cta p{color:var(--muted);font-size:16px;max-width:640px;margin:0 auto 28px}
.cta .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:56px 0 34px;background:rgba(255,255,255,.015);margin-top:44px}
.fcols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.fcols a.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:17px}
.fcols a.brand img{width:26px;height:26px;border-radius:7px}
.fcols h4{font-size:13.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:16px;font-weight:800}
.fcols a,.fcols p{display:block;color:var(--muted);font-size:14.5px;margin-bottom:10px}
.fcols a:hover{color:var(--brand)}
.fcols .about-b{color:var(--muted);font-size:14.5px;line-height:1.85}
.copy{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);text-align:center;color:var(--faint);font-size:13px}

/* ============================================================
   博客栏目（文章列表 + 文章正文）——2026-10 新增
   ============================================================ */
.blog-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.post-card{
  display:flex;flex-direction:column;gap:10px;padding:26px 24px;
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:transform .25s,border-color .25s,box-shadow .25s;position:relative;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(76,141,255,.45);box-shadow:0 24px 56px -34px rgba(76,141,255,.55)}
.post-card .post-meta{display:flex;gap:14px;font-size:12.5px;color:var(--faint);flex-wrap:wrap}
.post-card .post-meta .cat{color:var(--cyan);font-weight:700;letter-spacing:.03em}
.post-card h3{font-size:18px;line-height:1.45;margin:0}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:#8fb6ff}
.post-card .excerpt{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;flex:1}
.post-card .more{font-size:13.5px;color:var(--brand);font-weight:700}
.post-card.feat{grid-column:span 2;flex-direction:row;gap:26px;align-items:center}
.post-card.feat .fc{flex:1}
.post-card.feat h3{font-size:23px}
.post-card.feat .excerpt{font-size:15.5px}

/* ---- 文章正文 ---- */
.art-head{padding:54px 0 10px;max-width:840px;margin:0 auto}
.art-head .crumb{font-size:13.5px;color:var(--faint);margin-bottom:18px}
.art-head .crumb a{color:var(--faint)}
.art-head .crumb a:hover{color:var(--brand)}
.art-head h1{font-size:clamp(26px,3.3vw,37px);line-height:1.35;font-weight:900;letter-spacing:-.01em;margin-bottom:16px}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--faint)}
.art-meta b{color:var(--ink2);font-weight:600}
.art{max-width:840px;margin:0 auto;padding:18px 0 30px}
.art p{font-size:16.5px;line-height:1.95;margin:0 0 1.15em;color:var(--ink2)}
.art .lead{font-size:17.5px;color:var(--ink);border-left:3px solid var(--brand);padding:4px 0 4px 18px;background:rgba(76,141,255,.06);border-radius:0 12px 12px 0;margin-bottom:1.6em}
.art h2{font-size:23px;margin:46px 0 16px;letter-spacing:-.01em;padding-top:4px}
.art h3{font-size:17.5px;margin:30px 0 10px}
.art ul,.art ol{padding-left:1.4em;margin:0 0 1.3em}
.art li{margin-bottom:.55em;line-height:1.9;color:var(--ink2)}
.art li::marker{color:var(--brand)}
.art a{color:#8fb6ff;text-decoration:underline;text-decoration-color:rgba(143,182,255,.45);text-underline-offset:3px}
.art a:hover{color:#bcd4ff}
.art blockquote{margin:24px 0;padding:16px 20px;border-left:3px solid var(--cyan);background:rgba(34,211,238,.06);border-radius:0 12px 12px 0;color:var(--ink2);font-size:15.5px;line-height:1.9}
.art blockquote p:last-child{margin-bottom:0}
.art table{width:100%;border-collapse:collapse;font-size:14.5px;margin:20px 0 28px;display:block;overflow-x:auto}
.art th,.art td{border:1px solid var(--line);padding:11px 14px;text-align:left;min-width:96px}
.art th{background:rgba(76,141,255,.13);color:var(--ink);font-weight:700;white-space:nowrap}
.art td{color:var(--ink2)}
.art code{font-size:.9em}
.art hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.art-prod{margin:32px 0;border:1px solid rgba(76,141,255,.35);background:linear-gradient(180deg,rgba(76,141,255,.09),rgba(34,211,238,.03));border-radius:16px;padding:22px 26px}
.art-prod .ph{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.art-prod h3{margin:0 0 8px;font-size:18px}
.art-prod p{font-size:15px;margin-bottom:.8em}
.art-prod .btn{margin-top:6px}
.art-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:44px}
.art-next a{
  border:1px solid var(--line);border-radius:14px;padding:18px 20px;color:var(--ink2);
  font-size:14.5px;line-height:1.7;transition:border-color .2s,background .2s;
}
.art-next a:hover{border-color:rgba(76,141,255,.5);background:var(--brand-l)}
.art-next a span{display:block;font-size:12.5px;color:var(--faint);margin-bottom:6px}
@media (max-width:1020px){
  .blog-list{grid-template-columns:1fr}
  .post-card.feat{flex-direction:column;grid-column:span 1;align-items:flex-start}
}
@media (max-width:680px){
  .art-head h1{font-size:25px}
  .art p{font-size:16px}
  .art-next{grid-template-columns:1fr}
  .art th,.art td{padding:9px 10px;font-size:13.5px}
}
@media (max-width:1020px){
  .hero .container{grid-template-columns:1fr;gap:44px}
  .hero{padding-top:60px}
  .pm{transform:none}
  .float-badge{display:none}
  .bento{grid-template-columns:repeat(2,1fr)}
  .card,.card.wide,.card.half{grid-column:span 1}
  .showcase{grid-template-columns:1fr}
  .prices{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .price-card.hot{transform:none}
  .steps{grid-template-columns:1fr}
  .fcols{grid-template-columns:1fr 1fr}
  .stats .container{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .nav-links a:not(.btn){display:none}
  .bento{grid-template-columns:1fr}
  .section{padding:64px 0}
  .cta{padding:40px 22px}
  .fcols{grid-template-columns:1fr}
  .cmp{font-size:13px}
  .cmp th,.cmp td{padding:11px 12px}
  .pm-grid{grid-template-columns:repeat(3,1fr)}
  .hero-cta .btn{flex:1}
}