/* ============================================================
   三角洲画质助手 · TACTICAL HUD · 第14站专属样式
   军绿暗橙战术暗色系 · sj- 前缀
   ============================================================ */
:root{
  --sj-green:#16a34a;
  --sj-green-d:#15803d;
  --sj-green-dd:#166534;
  --sj-ink:#1a1a1a;
  --sj-ink-2:#0f0f0f;
  --sj-ink-3:#232323;
  --sj-ink-4:#2c2c2c;
  --sj-orange:#fb923c;
  --sj-orange-d:#f97316;
  --sj-text:#e4e4e7;
  --sj-muted:#a1a1aa;
  --sj-line:#2e2e2e;
  --sj-line-2:#3a3a3a;
  --sj-gray:#3f3f46;
  --sj-shadow:0 24px 70px rgba(0,0,0,.42);
  --sj-shadow-sm:0 8px 24px rgba(0,0,0,.32);
  --sj-radius:14px;
  --sj-font:"Microsoft YaHei","PingFang SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --sj-stencil:"Oswald","Impact","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{
  font-family:var(--sj-font);
  color:var(--sj-text);
  background:var(--sj-ink);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
/* fixed 纹理质感层：战术网格+扫描线 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.18;
  z-index:20;
  background-image:
    linear-gradient(rgba(22,163,74,.12) 1px,transparent 1px),
    linear-gradient(90deg,rgba(22,163,74,.12) 1px,transparent 1px),
    repeating-linear-gradient(0deg,rgba(251,146,60,.04) 0,rgba(251,146,60,.04) 1px,transparent 1px,transparent 4px);
  background-size:38px 38px,38px 38px,100% 4px;
}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
img{display:block;max-width:100%}
summary{list-style:none;cursor:pointer}
summary::-webkit-details-marker{display:none}
:focus-visible{outline:3px solid var(--sj-orange);outline-offset:3px}
.sj-stencil{font-family:var(--sj-stencil);letter-spacing:1.4px;text-transform:uppercase}

/* ===== 1. 浮动圆角导航卡（blur+border+shadow+副标TACTICAL HUD） ===== */
.sj-masthead{
  width:min(1240px,calc(100% - 40px));
  height:74px;
  margin:18px auto 0;
  padding:0 12px 0 15px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:28px;
  background:rgba(26,26,26,.88);
  border:1px solid rgba(22,163,74,.28);
  border-radius:17px;
  position:relative;
  z-index:30;
  box-shadow:0 8px 30px rgba(0,0,0,.32),inset 0 1px 0 rgba(22,163,74,.1);
  backdrop-filter:blur(14px);
}
.sj-masthead::before{
  content:"";
  position:absolute;
  left:15px;
  top:6px;
  bottom:6px;
  width:2px;
  background:linear-gradient(var(--sj-green),var(--sj-orange),var(--sj-green));
  border-radius:2px;
  opacity:.6;
}
.sj-brandmark{display:flex;align-items:center;gap:11px;min-width:max-content;margin-left:8px}
.sj-brandmark img{width:46px;height:46px;border-radius:13px;object-fit:cover;border:1px solid rgba(22,163,74,.4)}
.sj-brandmark span{display:grid;gap:2px}
.sj-brandmark strong{font-size:17px;font-weight:800;color:#fff}
.sj-brandmark small{font-size:8px;letter-spacing:1.5px;color:var(--sj-orange);font-family:var(--sj-stencil)}
.sj-nav{display:flex;align-items:center;justify-content:center;gap:30px;font-size:14px;color:var(--sj-muted)}
.sj-nav a{position:relative;padding:12px 0;font-weight:600;transition:color .2s}
.sj-nav a::after{content:"";position:absolute;height:2px;left:0;right:100%;bottom:5px;background:var(--sj-orange);transition:right .25s ease}
.sj-nav a:hover{color:#fff}
.sj-nav a:hover::after{right:0}
.sj-header-action{
  padding:14px 18px;
  color:#0f0f0f;
  background:linear-gradient(135deg,var(--sj-orange),var(--sj-orange-d));
  border-radius:11px;
  font-size:14px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  gap:7px;
  transition:transform .2s,box-shadow .2s;
  box-shadow:0 6px 18px rgba(251,146,60,.32);
}
.sj-header-action:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(251,146,60,.44)}
.sj-nav-toggle{display:none;font-size:24px;color:var(--sj-orange);justify-self:end}

/* ===== 2. Hero 左右分栏 + HUD装置 ===== */
.sj-hero{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  padding:60px 0 54px;
  display:grid;
  grid-template-columns:minmax(360px,.86fr) minmax(440px,1.14fr);
  align-items:center;
  gap:48px;
  position:relative;
}
.sj-hero::before{
  content:"TACTICAL / HUD / QUALITY BOOST";
  position:absolute;
  left:-42px;
  bottom:52px;
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font:700 10px/1 Arial,sans-serif;
  letter-spacing:2.4px;
  color:#4a4a4a;
}
.sj-kicker{display:flex;align-items:center;gap:10px;margin:0 0 19px;color:var(--sj-green);font-size:12px;font-weight:800;letter-spacing:1.4px}
.sj-kicker span{width:27px;height:2px;background:currentColor}
.sj-hero h1{margin:0;font-size:clamp(46px,5vw,60px);line-height:1.05;font-weight:900;letter-spacing:0}
.sj-hero h1 .hi{color:var(--sj-orange)}
.sj-hero h1 .gn{color:var(--sj-green)}
.sj-hero-subtitle{max-width:540px;margin:22px 0 15px;font-size:22px;font-weight:700;line-height:1.58;color:#d4d4d8}
.sj-hero-intro{max-width:540px;margin:0;color:var(--sj-muted);font-size:15px;line-height:1.85}
.sj-hero-actions{display:flex;align-items:center;gap:18px;margin-top:29px;flex-wrap:wrap}
.sj-solid-action{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:16px 22px;
  color:#0f0f0f;
  background:linear-gradient(135deg,var(--sj-orange),var(--sj-orange-d));
  border:1px solid var(--sj-orange);
  border-radius:10px;
  font-size:15px;
  font-weight:800;
  box-shadow:0 12px 24px rgba(251,146,60,.28);
  transition:transform .2s,box-shadow .2s;
}
.sj-solid-action:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(251,146,60,.4)}
.sj-ghost-action{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:16px 22px;
  color:#fff;
  background:transparent;
  border:1px solid var(--sj-green);
  border-radius:10px;
  font-size:15px;
  font-weight:800;
  transition:background .2s,border-color .2s;
}
.sj-ghost-action:hover{background:rgba(22,163,74,.16);border-color:var(--sj-green)}
.sj-trust-strip{list-style:none;display:flex;gap:0;margin:38px 0 0;padding:18px 0 0;border-top:1px solid var(--sj-line)}
.sj-trust-strip li{min-width:118px;display:flex;align-items:center;gap:9px;padding-right:15px;margin-right:15px;border-right:1px solid var(--sj-line);font-size:12px;font-weight:800}
.sj-trust-strip li:last-child{border:0}
.sj-trust-strip i{color:var(--sj-orange);font-size:18px}
.sj-trust-strip small{color:#71717a;font-size:9px;font-weight:500;display:block;margin-top:2px}

/* ===== HUD装置（暗色容器+顶战术状态条+居中手机+左3模式卡+右2性能卡+底部战况条） ===== */
.sj-hud{
  margin:0;
  position:relative;
  background:var(--sj-ink-2);
  border:1px solid var(--sj-line-2);
  border-radius:18px;
  padding:16px;
  box-shadow:var(--sj-shadow);
  transform:rotate(.6deg);
}
.sj-hud::before{
  content:"";
  position:absolute;
  width:190px;
  height:190px;
  right:-20px;
  top:-24px;
  background:var(--sj-orange);
  border-radius:50%;
  z-index:-1;
  opacity:.1;
}
.sj-hud::after{
  content:"";
  position:absolute;
  width:140px;
  height:140px;
  left:-30px;
  bottom:-30px;
  background:var(--sj-green);
  border-radius:50%;
  z-index:-1;
  opacity:.08;
}
/* 顶战术状态条 */
.sj-hud-topbar{
  min-height:40px;
  padding:0 8px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  color:#c4c4c8;
  font-size:11px;
  letter-spacing:.7px;
  margin-bottom:14px;
  font-family:var(--sj-stencil);
}
.sj-hud-dots{display:flex;gap:6px}
.sj-hud-dots i{width:8px;height:8px;border-radius:50%;background:#3a3a3a}
.sj-hud-dots i:first-child{background:var(--sj-orange)}
.sj-hud-dots i:nth-child(2){background:var(--sj-green)}
.sj-hud-dots i:nth-child(3){background:#525252}
.sj-hud-topbar strong{justify-self:center;font-size:11px;font-weight:700;letter-spacing:.8px;color:#fff}
.sj-hud-live{justify-self:end;display:flex;align-items:center;gap:6px;color:var(--sj-muted);font-size:10px}
.sj-hud-live i{width:6px;height:6px;border-radius:50%;background:var(--sj-green);box-shadow:0 0 0 3px rgba(22,163,74,.16)}
/* HUD主体：左3模式卡 + 居中手机 + 右2性能卡 */
.sj-hud-main{
  display:grid;
  grid-template-columns:1fr minmax(180px,1.3fr) 1fr;
  gap:12px;
  align-items:start;
}
.sj-hud-modes{display:grid;gap:8px}
.sj-hud-mode{
  border-radius:8px;
  padding:11px 12px;
  color:#fff;
  position:relative;
  overflow:hidden;
  border:1px solid transparent;
}
.sj-hud-mode i{font-size:18px;margin-bottom:6px;display:block}
.sj-hud-mode b{font-size:13px;font-weight:800;display:block;line-height:1}
.sj-hud-mode small{font-size:8px;letter-spacing:1px;opacity:.85;font-family:var(--sj-stencil)}
.sj-hud-mode.green{background:linear-gradient(135deg,var(--sj-green-d),var(--sj-green-dd));border-color:var(--sj-green)}
.sj-hud-mode.orange{background:linear-gradient(135deg,var(--sj-orange),var(--sj-orange-d));color:#0f0f0f}
.sj-hud-mode.gray{background:var(--sj-ink-4);border-color:var(--sj-line-2)}
.sj-hud-mode::after{content:"";position:absolute;right:-6px;bottom:-6px;width:20px;height:20px;background:rgba(255,255,255,.08);border-radius:3px}
/* 居中手机 */
.sj-hud-phone{
  border:5px solid #2a2a2a;
  border-radius:18px;
  overflow:hidden;
  background:#000;
  box-shadow:0 12px 24px rgba(0,0,0,.4);
  position:relative;
}
.sj-hud-phone img{width:100%;height:auto;display:block}
.sj-hud-phone::after{
  content:"TACTICAL VIEW";
  position:absolute;
  top:10px;
  left:10px;
  padding:4px 8px;
  background:rgba(0,0,0,.7);
  color:var(--sj-orange);
  font-size:8px;
  font-weight:800;
  letter-spacing:1px;
  border-radius:3px;
  font-family:var(--sj-stencil);
}
/* 右2性能数据卡 */
.sj-hud-stats{display:grid;gap:8px}
.sj-hud-stat{
  border:1px solid var(--sj-line-2);
  border-radius:8px;
  padding:12px;
  background:linear-gradient(180deg,var(--sj-ink-3),var(--sj-ink-2));
  position:relative;
}
.sj-hud-stat > div:first-child{display:flex;align-items:center;gap:7px;margin-bottom:8px;color:var(--sj-muted);font-size:10px}
.sj-hud-stat > div:first-child i{color:var(--sj-orange);font-size:16px}
.sj-hud-stat b{font-size:24px;font-weight:900;color:#fff;line-height:1;font-family:var(--sj-stencil);letter-spacing:0}
.sj-hud-stat b em{font-style:normal;color:var(--sj-green);font-size:14px;margin-left:2px}
.sj-hud-stat small{display:block;font-size:9px;color:var(--sj-muted);margin-top:5px;letter-spacing:.5px}
.sj-hud-stat.green b{color:var(--sj-green)}
.sj-hud-stat.orange b{color:var(--sj-orange)}
/* 底部战况状态条 */
.sj-hud-bottom{
  margin-top:14px;
  padding:10px 14px;
  background:linear-gradient(90deg,rgba(22,163,74,.16),rgba(251,146,60,.16));
  border:1px solid var(--sj-line-2);
  border-radius:8px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:12px;
  color:#d4d4d8;
  font-size:11px;
}
.sj-hud-bottom i{color:var(--sj-green);font-size:16px}
.sj-hud-bottom strong{color:#fff;font-family:var(--sj-stencil);font-size:13px;letter-spacing:.6px}
.sj-hud-bottom span{color:var(--sj-orange);font-weight:700;font-family:var(--sj-stencil)}
.sj-hud figcaption{position:absolute;right:18px;bottom:-27px;color:#71717a;font-size:10px}

/* ===== 3. 画质模式4卡（流畅/平衡/高清/极致） ===== */
.sj-modes{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  padding:74px 0 48px;
}
.sj-modes-head{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;margin-bottom:36px;padding-bottom:20px;border-bottom:1px solid var(--sj-line)}
.sj-modes-head h2{font-size:clamp(28px,3.2vw,38px);font-weight:900;line-height:1.2;margin:12px 0 0}
.sj-modes-head p{color:var(--sj-muted);font-size:14px;line-height:1.8;max-width:560px}
.sj-modes-head .sj-tag{font-family:var(--sj-stencil);font-size:12px;color:var(--sj-green);border:1px solid var(--sj-line);padding:6px 12px;border-radius:6px;letter-spacing:1px}
.sj-modes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.sj-mode-card{
  padding:24px 20px;
  background:linear-gradient(180deg,var(--sj-ink-3),var(--sj-ink-2));
  border:1px solid var(--sj-line);
  border-radius:14px;
  position:relative;
  overflow:hidden;
  transition:transform .25s,border-color .25s;
}
.sj-mode-card:hover{transform:translateY(-4px);border-color:var(--sj-orange)}
.sj-mode-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--sj-green);
}
.sj-mode-card.orange::before{background:var(--sj-orange)}
.sj-mode-card.gray::before{background:#52525b}
.sj-mode-card.lime::before{background:var(--sj-green)}
.sj-mode-ic{
  width:48px;
  height:48px;
  border-radius:12px;
  background:rgba(251,146,60,.14);
  border:1px solid rgba(251,146,60,.4);
  color:var(--sj-orange);
  display:grid;
  place-items:center;
  font-size:22px;
  margin-bottom:16px;
}
.sj-mode-card.lime .sj-mode-ic{background:rgba(22,163,74,.14);border-color:rgba(22,163,74,.4);color:var(--sj-green)}
.sj-mode-card.gray .sj-mode-ic{background:rgba(82,82,91,.18);border-color:rgba(82,82,91,.5);color:#a1a1aa}
.sj-mode-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.sj-mode-card .sj-mode-fps{font-family:var(--sj-stencil);color:var(--sj-orange);font-size:20px;font-weight:900;letter-spacing:1px;margin-bottom:4px}
.sj-mode-card.lime .sj-mode-fps{color:var(--sj-green)}
.sj-mode-card .sj-mode-res{font-size:12px;color:var(--sj-muted);margin-bottom:14px;letter-spacing:.5px}
.sj-mode-card .sj-mode-scene{
  display:inline-block;
  padding:5px 10px;
  background:var(--sj-ink-4);
  border:1px solid var(--sj-line-2);
  border-radius:99px;
  font-size:11px;
  color:#d4d4d8;
  font-weight:600;
}

/* ===== 4. 对比表（优化前vs优化后） ===== */
.sj-compare{
  background:var(--sj-ink-2);
  border-top:1px solid var(--sj-line);
  border-bottom:1px solid var(--sj-line);
  padding:74px max(20px,calc((100vw - 1240px)/2)) 70px;
}
.sj-compare-inner{max-width:1240px;margin:0 auto}
.sj-compare-head{display:grid;grid-template-columns:minmax(280px,.6fr) 1fr;gap:48px;align-items:end;margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid var(--sj-line)}
.sj-compare-head h2{font-size:clamp(28px,3.2vw,38px);font-weight:900;line-height:1.2;margin:14px 0 0}
.sj-compare-head p{color:var(--sj-muted);font-size:14px;line-height:1.8}
.sj-compare-table{width:100%;border-collapse:collapse;border:1px solid var(--sj-line);border-radius:12px;overflow:hidden;background:var(--sj-ink-3)}
.sj-compare-table th,.sj-compare-table td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--sj-line);font-size:14px}
.sj-compare-table thead th{background:var(--sj-ink-4);font-weight:800;color:#fff;letter-spacing:.5px}
.sj-compare-table thead th.col-after{background:rgba(22,163,74,.22);color:var(--sj-green)}
.sj-compare-table tbody tr:last-child td{border-bottom:0}
.sj-compare-table td.col-before{color:var(--sj-muted)}
.sj-compare-table td.col-after{color:var(--sj-orange);font-weight:700;background:rgba(251,146,60,.06)}
.sj-compare-table td.col-after.green{color:var(--sj-green);background:rgba(22,163,74,.08)}
.sj-compare-table th.col-metric{color:var(--sj-muted);font-weight:600}
.sj-compare-table td i{margin-right:6px}

/* ===== 5. 3列功能卡（hover左轴竖线） ===== */
.sj-features{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  padding:74px 0 70px;
}
.sj-features-head{margin-bottom:36px}
.sj-features-head h2{font-size:clamp(28px,3.2vw,38px);font-weight:900;line-height:1.2;margin:12px 0 0}
.sj-features-head p{color:var(--sj-muted);font-size:14px;line-height:1.8;max-width:620px;margin-top:10px}
.sj-features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sj-feature{
  padding:26px 24px 26px 30px;
  background:linear-gradient(180deg,var(--sj-ink-3),var(--sj-ink-2));
  border:1px solid var(--sj-line);
  border-radius:14px;
  position:relative;
  transition:border-color .25s,transform .25s;
  overflow:hidden;
}
.sj-feature::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--sj-orange);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .3s;
}
.sj-feature:hover{border-color:var(--sj-green);transform:translateY(-3px)}
.sj-feature:hover::before{transform:scaleY(1)}
.sj-feature-ic{
  width:44px;
  height:44px;
  border-radius:10px;
  background:rgba(22,163,74,.16);
  border:1px solid rgba(22,163,74,.4);
  color:var(--sj-green);
  display:grid;
  place-items:center;
  font-size:20px;
  margin-bottom:16px;
}
.sj-feature h3{font-size:17px;font-weight:800;margin-bottom:8px}
.sj-feature p{color:var(--sj-muted);font-size:13.5px;line-height:1.75}
.sj-feature .sj-feature-no{position:absolute;top:20px;right:20px;font-family:var(--sj-stencil);color:#3a3a3a;font-size:13px;font-weight:800;letter-spacing:1px}

/* ===== 6. 暗色评论2列+战术评分（6条，第2/5条军绿底反衬+HUD准星装饰） ===== */
.sj-voices{
  background:var(--sj-ink-2);
  border-top:1px solid var(--sj-line);
  border-bottom:1px solid var(--sj-line);
  padding:74px max(20px,calc((100vw - 1240px)/2)) 76px;
}
.sj-voices-inner{max-width:1240px;margin:0 auto}
.sj-voices-head{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:end;margin-bottom:36px;padding-bottom:20px;border-bottom:1px solid var(--sj-line)}
.sj-voices-head h2{font-size:clamp(28px,3.2vw,38px);font-weight:900;line-height:1.2;margin:12px 0 0}
.sj-voices-head p{color:var(--sj-muted);font-size:14px;line-height:1.8;max-width:520px}
.sj-voices-score{
  display:grid;
  grid-template-columns:auto auto;
  gap:20px;
  align-items:center;
  padding:18px 26px;
  background:rgba(22,163,74,.1);
  border:1px solid rgba(22,163,74,.32);
  border-radius:14px;
}
.sj-voices-score b{font-size:42px;font-weight:900;color:var(--sj-orange);line-height:1;font-family:var(--sj-stencil)}
.sj-voices-score small{display:block;font-size:11px;color:var(--sj-muted);margin-top:4px}
.sj-voices-score .sj-stars{color:var(--sj-orange);font-size:13px;letter-spacing:2px;margin-top:4px}
.sj-voices-score > div:last-child{font-size:12px;color:var(--sj-muted);line-height:1.6}
.sj-voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sj-voice{
  padding:22px 22px 20px;
  background:var(--sj-ink-3);
  border:1px solid var(--sj-line);
  border-radius:14px;
  display:flex;
  flex-direction:column;
  gap:14px;
  position:relative;
  transition:transform .25s,box-shadow .25s;
}
.sj-voice:hover{transform:translateY(-3px);box-shadow:var(--sj-shadow-sm)}
/* HUD准星装饰 */
.sj-voice::after{
  content:"";
  position:absolute;
  top:18px;
  right:18px;
  width:18px;
  height:18px;
  background:
    linear-gradient(var(--sj-orange),var(--sj-orange)) center/2px 100% no-repeat,
    linear-gradient(var(--sj-orange),var(--sj-orange)) center/100% 2px no-repeat;
  opacity:.4;
}
.sj-voice.green{
  background:linear-gradient(135deg,var(--sj-green-dd),var(--sj-green-d));
  border-color:var(--sj-green);
  color:#fff;
}
.sj-voice.green::after{opacity:.7;background:
  linear-gradient(#fff,#fff) center/2px 100% no-repeat,
  linear-gradient(#fff,#fff) center/100% 2px no-repeat;
}
.sj-voice.green .sj-voice-name{color:#fff}
.sj-voice.green .sj-voice-body{color:#d4f5d4}
.sj-voice.green .sj-voice-time{color:rgba(255,255,255,.7)}
.sj-voice.green .sj-voice-foot{border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.7)}
.sj-voice.green .sj-voice-tag{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.3)}
.sj-voice-top{display:flex;align-items:center;gap:12px}
.sj-voice-ava{width:42px;height:42px;border-radius:10px;background:var(--sj-orange);color:#0f0f0f;display:grid;place-items:center;font-weight:800;font-size:15px;flex-shrink:0}
.sj-voice.green .sj-voice-ava{background:#fff;color:var(--sj-green-dd)}
.sj-voice-name{font-weight:800;font-size:14px;color:#fff}
.sj-voice-time{font-size:11px;color:var(--sj-muted);margin-top:2px}
.sj-voice-rate{margin-left:auto;color:var(--sj-orange);font-size:13px;letter-spacing:1px}
.sj-voice.green .sj-voice-rate{color:#fff}
.sj-voice-body{font-size:13px;line-height:1.8;color:#d4d4d8}
.sj-voice-foot{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--sj-line);font-size:11px;color:var(--sj-muted)}
.sj-voice-tag{
  padding:4px 9px;
  background:var(--sj-ink-4);
  border:1px solid var(--sj-line-2);
  border-radius:99px;
  font-size:10px;
  color:#d4d4d8;
  font-weight:600;
}

/* ===== 7. FAQ左右两栏（左标题+联系卡，右details带序号列表） ===== */
.sj-faq{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto;
  padding:74px 0 70px;
  display:grid;
  grid-template-columns:minmax(280px,.42fr) 1fr;
  gap:64px;
}
.sj-faq-lead .sj-kicker{margin-bottom:14px}
.sj-faq-lead h2{font-size:clamp(28px,3.2vw,38px);font-weight:900;line-height:1.2;margin-bottom:18px}
.sj-faq-lead > p{color:var(--sj-muted);font-size:14px;line-height:1.8;margin-bottom:24px}
.sj-faq-card{
  padding:24px;
  background:linear-gradient(180deg,var(--sj-ink-3),var(--sj-ink-2));
  border:1px solid rgba(22,163,74,.28);
  border-radius:14px;
}
.sj-faq-card b{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:10px;color:var(--sj-green)}
.sj-faq-card b i{font-size:18px}
.sj-faq-card small{display:block;font-size:12px;color:var(--sj-muted);line-height:1.7;margin-bottom:14px}
.sj-faq-card a{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;background:var(--sj-orange);color:#0f0f0f;border-radius:8px;font-size:12px;font-weight:800}
.sj-faq-list{counter-reset:faq;display:grid;gap:10px}
.sj-faq-list details{
  background:var(--sj-ink-3);
  border:1px solid var(--sj-line);
  border-radius:10px;
  overflow:hidden;
  transition:border-color .2s;
}
.sj-faq-list details[open]{border-color:var(--sj-green)}
.sj-faq-list summary{padding:18px 22px;font-weight:700;font-size:15px;display:flex;justify-content:space-between;align-items:center;gap:12px;color:#fff}
.sj-faq-list summary::before{content:counter(faq,decimal-leading-zero);counter-increment:faq;color:var(--sj-orange);font-size:11px;font-weight:800;letter-spacing:1px;margin-right:14px;font-family:var(--sj-stencil)}
.sj-faq-list summary i{color:var(--sj-orange);font-size:20px;transition:transform .2s;flex-shrink:0}
.sj-faq-list details[open] summary i{transform:rotate(45deg)}
.sj-faq-list details p{padding:0 22px 20px;color:var(--sj-muted);font-size:14px;line-height:1.8}

/* ===== 8. 战术CTA全宽（暗绿底+左文案+右双按钮+准星SVG装饰） ===== */
.sj-cta{
  width:min(1240px,calc(100% - 40px));
  margin:0 auto 28px;
  padding:50px 40px;
  background:linear-gradient(135deg,var(--sj-green-dd),var(--sj-green-d));
  border:1px solid var(--sj-green);
  border-radius:18px;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:40px;
  position:relative;
  overflow:hidden;
}
/* 准星SVG装饰 */
.sj-cta::before{
  content:"";
  position:absolute;
  top:50%;
  right:32%;
  width:200px;
  height:200px;
  transform:translateY(-50%);
  background:
    radial-gradient(circle,transparent 30%,rgba(255,255,255,.06) 31%,rgba(255,255,255,.06) 33%,transparent 34%),
    radial-gradient(circle,transparent 60%,rgba(255,255,255,.04) 61%,rgba(255,255,255,.04) 63%,transparent 64%),
    linear-gradient(rgba(255,255,255,.12),rgba(255,255,255,.12)) center/2px 100% no-repeat,
    linear-gradient(rgba(255,255,255,.12),rgba(255,255,255,.12)) center/100% 2px no-repeat;
  pointer-events:none;
  opacity:.6;
}
.sj-cta::after{
  content:"";
  position:absolute;
  top:-60%;
  right:-8%;
  width:320px;
  height:320px;
  background:radial-gradient(circle,rgba(251,146,60,.22),transparent 70%);
  pointer-events:none;
}
.sj-cta-copy{position:relative;z-index:1}
.sj-cta-kicker{color:var(--sj-orange);font-family:var(--sj-stencil);letter-spacing:2px;font-size:12px;margin-bottom:8px}
.sj-cta-copy h2{font-size:clamp(26px,3vw,34px);font-weight:900;line-height:1.25;margin-bottom:10px;color:#fff}
.sj-cta-copy p{font-size:14px;color:#d4f5d4;line-height:1.7;max-width:540px}
.sj-cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.sj-cta-btn{
  padding:16px 26px;
  background:var(--sj-orange);
  color:#0f0f0f;
  border-radius:10px;
  font-size:15px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  gap:9px;
  box-shadow:0 10px 24px rgba(251,146,60,.34);
  transition:transform .2s,box-shadow .2s;
}
.sj-cta-btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(251,146,60,.46)}
.sj-cta-btn.alt{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.sj-cta-btn.alt:hover{background:rgba(255,255,255,.12);border-color:#fff}
.sj-cta small{font-size:11px;color:rgba(255,255,255,.7);margin-top:4px}

/* ===== 9. 精致footer 3列+backtop ===== */
.sj-foot{
  background:#0a0a0a;
  color:#71717a;
  padding:50px max(20px,calc((100vw - 1240px)/2)) 22px;
  border-top:1px solid var(--sj-line);
}
.sj-foot-inner{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:30px;border-bottom:1px solid var(--sj-line)}
.sj-foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.sj-foot-brand img{width:42px;height:42px;border-radius:11px;border:1px solid rgba(22,163,74,.4)}
.sj-foot-brand span{display:grid;gap:2px}
.sj-foot-brand b{color:#fff;font-size:18px;font-weight:800}
.sj-foot-brand small{font-size:9px;letter-spacing:1.5px;color:var(--sj-orange);font-family:var(--sj-stencil)}
.sj-foot-about{font-size:13px;line-height:1.8;color:#71717a;max-width:380px}
.sj-foot-col h4{color:#fff;font-size:13px;font-weight:800;margin-bottom:14px;letter-spacing:.6px}
.sj-foot-col ul{list-style:none;display:grid;gap:8px}
.sj-foot-col a{font-size:13px;color:#71717a;transition:color .2s;display:inline-flex;align-items:center;gap:6px}
.sj-foot-col a:hover{color:var(--sj-orange)}
.sj-foot-col a i{font-size:14px}
.sj-foot-bottom{max-width:1240px;margin:0 auto;padding-top:18px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:12px;color:#525252}
.sj-foot-bottom a{color:#71717a}
.sj-foot-bottom a:hover{color:var(--sj-orange)}
.sj-backtop{
  position:fixed;
  right:22px;
  bottom:140px;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--sj-orange);
  color:#0f0f0f;
  display:grid;
  place-items:center;
  font-size:20px;
  z-index:40;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s,transform .25s,background .2s;
  box-shadow:0 8px 22px rgba(251,146,60,.34);
}
.sj-backtop.is-show{opacity:1;pointer-events:auto}
.sj-backtop:hover{background:var(--sj-orange-d);transform:translateY(-3px)}

/* ===== Responsive 1080 ===== */
@media(max-width:1080px){
  .sj-hero{grid-template-columns:1fr;gap:40px}
  .sj-hero::before{display:none}
  .sj-hud{max-width:560px;margin:0 auto;transform:none}
  .sj-modes-grid{grid-template-columns:repeat(2,1fr)}
  .sj-compare-head{grid-template-columns:1fr;gap:18px}
  .sj-features-grid{grid-template-columns:1fr 1fr}
  .sj-faq{grid-template-columns:1fr;gap:32px}
  .sj-voices-head{grid-template-columns:1fr}
  .sj-voices-score{justify-self:start}
  .sj-cta{grid-template-columns:1fr;padding:36px 28px}
  .sj-cta-actions{align-items:flex-start}
  .sj-foot-inner{grid-template-columns:1fr 1fr;gap:32px}
  .sj-foot-brand{grid-column:1/-1}
}

/* ===== Responsive 860 ===== */
@media(max-width:860px){
  .sj-nav{display:none;position:absolute;left:0;right:0;top:calc(100% + 8px);padding:12px;background:var(--sj-ink-2);border:1px solid var(--sj-line);border-radius:12px;box-shadow:0 12px 30px rgba(0,0,0,.4)}
  .sj-nav.is-open{display:grid}
  .sj-nav a{padding:12px;border-bottom:1px solid var(--sj-line)}
  .sj-nav-toggle{display:block}
  .sj-hud-main{grid-template-columns:1fr;gap:12px}
  .sj-hud-modes{grid-template-columns:repeat(3,1fr)}
  .sj-hud-stats{grid-template-columns:1fr 1fr}
  .sj-modes-grid{grid-template-columns:1fr 1fr}
  .sj-features-grid{grid-template-columns:1fr}
  .sj-voice-grid{grid-template-columns:1fr}
  .sj-compare-table{font-size:12px}
  .sj-compare-table th,.sj-compare-table td{padding:12px 10px}
  .sj-cta::before{display:none}
}

/* ===== Responsive 640 ===== */
@media(max-width:640px){
  .sj-masthead{height:62px;gap:10px;padding:0 10px}
  .sj-brandmark strong{font-size:15px}
  .sj-brandmark small{display:none}
  .sj-header-action{padding:10px 12px;font-size:13px}
  .sj-hero{padding:40px 0 30px}
  .sj-hero h1{font-size:38px}
  .sj-hero-subtitle{font-size:18px}
  .sj-trust-strip{flex-wrap:wrap;gap:12px}
  .sj-trust-strip li{border:0;min-width:auto;padding:0;margin:0}
  .sj-hud-modes{grid-template-columns:1fr 1fr}
  .sj-hud-stats{grid-template-columns:1fr}
  .sj-hud-bottom{grid-template-columns:1fr;gap:6px;text-align:center;justify-items:center}
  .sj-modes-grid{grid-template-columns:1fr}
  .sj-compare-table thead{display:none}
  .sj-compare-table,.sj-compare-table tbody,.sj-compare-table tr,.sj-compare-table td{display:block}
  .sj-compare-table tr{padding:12px 0;border-bottom:1px solid var(--sj-line)}
  .sj-compare-table tr:last-child{border:0}
  .sj-compare-table td{border:0;padding:8px 16px;text-align:right}
  .sj-compare-table td.col-metric{text-align:left;font-weight:800;color:#fff;background:var(--sj-ink-4)}
  .sj-compare-table td::before{content:attr(data-label);float:left;font-weight:600;color:var(--sj-muted)}
  .sj-cta{padding:28px 20px;border-radius:14px}
  .sj-cta-copy h2{font-size:22px}
  .sj-foot-inner{grid-template-columns:1fr;gap:24px}
  .sj-foot-bottom{flex-direction:column;text-align:center}
  .sj-backtop{right:14px;bottom:90px}
}

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