@charset "utf-8";
/* =====================================================================
   小二CMS · SEO 搜索引擎优化  ——  全新视觉（墨金 · 玻璃质感 · 高端商务）
   设计语言与 OA 体系一致，类目独立、自包含，不依赖其它页面样式。
   ===================================================================== */

:root{
  --seo-ink-900:#070a12;
  --seo-ink-850:#0a0e1a;
  --seo-ink-800:#0c111f;
  --seo-ink-700:#111a2e;
  --seo-gold:#c9a35a;
  --seo-gold-2:#e3c890;
  --seo-gold-3:#f4e2bb;
  --seo-gold-deep:#a47d3a;
  --seo-blue:#5b9bff;
  --seo-blue-soft:rgba(91,155,255,.16);
  --seo-green:#46e08a;
  --seo-line:rgba(201,163,90,.20);
  --seo-line-soft:rgba(255,255,255,.08);
  --seo-txt:#e9eef8;
  --seo-txt-dim:rgba(233,238,248,.64);
  --seo-txt-mute:rgba(233,238,248,.40);
  --seo-light:#f6f7fb;
  --seo-light-2:#eef1f7;
  --seo-ink:#0c1424;
  --seo-body:#56607a;
  --seo-r:22px;
  --seo-r-sm:14px;
  --seo-ease:cubic-bezier(.22,.61,.36,1);
  --seo-serif:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --seo-sans:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;}
a{text-decoration:none;transition:all .3s var(--seo-ease);}
html{scroll-behavior:smooth;}
.seo-box{max-width:none;margin:0 auto;padding:0 clamp(20px,3.2vw,52px);}
.seo-sec{position:relative;padding:clamp(64px,7vw,112px) 0;}
.seo-sec--dark{
  background:
    radial-gradient(1100px 560px at 82% -8%,rgba(201,163,90,.12),transparent 60%),
    radial-gradient(900px 520px at -6% 112%,rgba(91,155,255,.12),transparent 55%),
    linear-gradient(180deg,var(--seo-ink-850),var(--seo-ink-800));
  color:#fff;overflow:hidden;
}
.seo-sec--dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 30%,transparent 80%);
          mask-image:radial-gradient(120% 90% at 50% 0%,#000 30%,transparent 80%);
}
.seo-sec--light{background:var(--seo-light);}
.seo-sec--white{background:#fff;}

/* ===== 区块标题 ===== */
.seo-head{text-align:center;max-width:780px;margin:0 auto clamp(40px,4vw,66px);position:relative;z-index:2;}
.seo-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:12.5px;letter-spacing:.3em;font-weight:600;color:var(--seo-gold);text-transform:uppercase;margin-bottom:20px;}
.seo-eyebrow::before,.seo-eyebrow::after{content:"";width:30px;height:1px;background:linear-gradient(90deg,transparent,var(--seo-gold));}
.seo-eyebrow::after{background:linear-gradient(90deg,var(--seo-gold),transparent);}
.seo-head h2{font-family:var(--seo-serif);font-size:clamp(27px,3.4vw,44px);font-weight:700;line-height:1.28;color:var(--seo-ink);letter-spacing:.02em;}
.seo-head p{margin-top:16px;font-size:clamp(14px,1vw,16px);color:var(--seo-body);line-height:1.85;}
.seo-sec--dark .seo-head h2{color:#fff;}
.seo-sec--dark .seo-head p{color:var(--seo-txt-dim);}
.seo-accent{color:var(--seo-gold);}

/* ===== 滚动揭示动画 ===== */
.seo-reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--seo-ease),transform .9s var(--seo-ease);}
.seo-reveal.in{opacity:1;transform:none;}

/* ============================ HERO（横幅，padding 撑开，非全屏） ============================ */
.seo-hero{position:relative;overflow:hidden;padding:clamp(72px,10vh,120px) 0 clamp(56px,7vh,96px);
  background:
    radial-gradient(900px 520px at 88% -10%,rgba(201,163,90,.18),transparent 60%),
    radial-gradient(820px 560px at 6% 18%,rgba(91,155,255,.16),transparent 58%),
    linear-gradient(165deg,#0a0e1a 0%,#0c1322 48%,#0a0f1c 100%);
  color:#fff;}
.seo-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--seo-line),transparent);}
.seo-hero-grid{position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(90% 70% at 60% 20%,#000,transparent 75%);
          mask-image:radial-gradient(90% 70% at 60% 20%,#000,transparent 75%);}
.seo-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:clamp(20px,2.2vw,40px);align-items:center;text-align:left;}
.seo-hero-badge{display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:50px;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--seo-gold-2);
  background:rgba(201,163,90,.10);border:1px solid var(--seo-line);margin-bottom:22px;}
.seo-hero-badge i{color:var(--seo-gold);}
.seo-hero-title{font-family:var(--seo-serif);font-size:clamp(34px,4.8vw,62px);font-weight:700;line-height:1.14;letter-spacing:.01em;}
.seo-hero-title .seo-hl{background:linear-gradient(120deg,var(--seo-gold-2),var(--seo-gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.seo-hero-sub{margin-top:18px;font-size:clamp(15px,1.3vw,19px);font-weight:500;color:#fff;letter-spacing:.02em;}
.seo-hero-desc{margin-top:18px;max-width:520px;font-size:15px;line-height:1.95;color:var(--seo-txt-dim);}
.seo-hero-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.seo-chip{display:inline-flex;align-items:center;gap:9px;padding:10px 17px;border-radius:12px;font-size:13.5px;font-weight:500;color:var(--seo-txt);
  background:rgba(255,255,255,.04);border:1px solid var(--seo-line-soft);}
.seo-chip i{color:var(--seo-gold);font-size:14px;}
.seo-hero-btns{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}
.seo-btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:13px;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;border:none;transition:all .35s var(--seo-ease);}
.seo-btn i{font-size:14px;transition:transform .35s var(--seo-ease);}
.seo-btn-gold{color:#221603;background:linear-gradient(135deg,var(--seo-gold-2),var(--seo-gold));box-shadow:0 14px 34px rgba(201,163,90,.30);}
.seo-btn-gold:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(201,163,90,.42);color:#221603;}
.seo-btn-gold:hover i{transform:translateX(4px);}
.seo-btn-ghost{color:#fff;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.18);}
.seo-btn-ghost:hover{background:rgba(255,255,255,.12);border-color:var(--seo-gold);transform:translateY(-3px);}
.seo-hero-stats{display:flex;flex-wrap:wrap;gap:clamp(24px,3vw,52px);margin-top:40px;padding-top:30px;border-top:1px solid var(--seo-line-soft);}
.seo-stat .seo-num{font-family:var(--seo-serif);font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1;
  background:linear-gradient(120deg,#fff,var(--seo-gold-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.seo-stat .seo-num em{font-style:normal;font-size:.55em;margin-left:2px;color:var(--seo-gold);-webkit-text-fill-color:var(--seo-gold);}
.seo-stat .seo-lab{margin-top:8px;font-size:13px;color:var(--seo-txt-mute);letter-spacing:.04em;}

/* ===== HERO 右侧 SEO 看板样机 ===== */
.seo-console{position:relative;width:100%;max-width:520px;margin-left:auto;}
.seo-console-glow{position:absolute;inset:-30px;z-index:0;background:radial-gradient(circle at 50% 40%,rgba(201,163,90,.22),transparent 65%);filter:blur(10px);}
.seo-console-card{position:relative;z-index:2;border-radius:24px;overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 40px 90px rgba(0,0,0,.45),inset 0 0 30px rgba(255,255,255,.05);
  backdrop-filter:blur(16px);animation:seoFloat 7s var(--seo-ease) infinite;}
@keyframes seoFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}
.seo-cc-top{display:flex;align-items:center;gap:14px;padding:15px 18px;border-bottom:1px solid var(--seo-line-soft);}
.seo-cc-dots{display:flex;gap:7px;}
.seo-cc-dots i{width:11px;height:11px;border-radius:50%;display:block;}
.seo-cc-dots i:nth-child(1){background:#ff5f57;}
.seo-cc-dots i:nth-child(2){background:#febc2e;}
.seo-cc-dots i:nth-child(3){background:#28c840;}
.seo-cc-title{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;color:var(--seo-txt);}
.seo-cc-title i{color:var(--seo-gold);}
.seo-cc-live{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#7ee0a0;}
.seo-cc-live i{font-size:7px;color:var(--seo-green);animation:seoPulse 1.8s infinite;}
@keyframes seoPulse{0%,100%{opacity:1;}50%{opacity:.3;}}
.seo-cc-body{padding:16px;display:flex;flex-direction:column;gap:14px;}
.seo-cc-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.seo-kpi{position:relative;background:rgba(255,255,255,.05);border:1px solid var(--seo-line-soft);border-radius:12px;padding:11px 12px;}
.seo-kpi b{display:block;font-family:var(--seo-serif);font-size:18px;font-weight:700;color:#fff;line-height:1.1;}
.seo-kpi span{font-size:11px;color:var(--seo-txt-mute);}
.seo-kpi i{position:absolute;right:10px;top:10px;font-size:11px;color:var(--seo-green);}
.seo-cc-rank{display:flex;flex-direction:column;gap:9px;background:rgba(255,255,255,.04);border:1px solid var(--seo-line-soft);border-radius:13px;padding:14px 16px;}
.seo-rank-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--seo-txt);}
.seo-rank-kw{font-weight:500;}
.seo-rank-pos{font-family:var(--seo-serif);font-weight:700;font-size:14px;padding:3px 11px;border-radius:50px;}
.seo-rank-pos.up{color:#221603;background:linear-gradient(135deg,var(--seo-gold-2),var(--seo-gold));}
.seo-rank-pos.flat{color:var(--seo-txt-dim);background:rgba(255,255,255,.08);}
.seo-cc-chart{height:auto;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--seo-line-soft);padding:12px 14px;overflow:hidden;}
.seo-chart-cap{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--seo-txt-mute);margin-bottom:8px;}
.seo-chart-cap i{color:var(--seo-gold);}
.seo-cc-chart svg{width:100%;height:60px;display:block;}
.seo-float{position:absolute;z-index:3;display:inline-flex;align-items:center;gap:9px;padding:10px 16px;border-radius:13px;font-size:12.5px;font-weight:600;color:#fff;
  background:rgba(12,17,31,.82);border:1px solid var(--seo-line);box-shadow:0 16px 38px rgba(0,0,0,.4);backdrop-filter:blur(8px);animation:seoFloat 7s var(--seo-ease) infinite;}
.seo-float i{color:var(--seo-gold);font-size:14px;}
.seo-f1{top:-14px;right:8px;animation-delay:.6s;}
.seo-f2{bottom:64px;right:-26px;animation-delay:1.8s;}
.seo-f3{bottom:6px;left:-18px;animation-delay:2.8s;}

/* ============================ 子导航 ============================ */
.seo-subnav{position:relative;z-index:5;padding:22px 0;background:rgba(7,10,18,.96);border-bottom:1px solid var(--seo-line-soft);}
.seo-subnav-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.seo-subnav-list a{display:inline-flex;align-items:center;padding:9px 22px;border-radius:50px;font-size:14px;font-weight:500;color:var(--seo-txt-dim);text-decoration:none;
  background:rgba(255,255,255,.04);border:1px solid var(--seo-line-soft);transition:all .3s var(--seo-ease);}
.seo-subnav-list a:hover{color:#fff;border-color:var(--seo-gold);background:rgba(201,163,90,.12);transform:translateY(-2px);}
.seo-subnav-list a.active,
.seo-subnav-list a.on,
.seo-subnav-list a.cur{color:#221603;background:linear-gradient(135deg,var(--seo-gold-2),var(--seo-gold));border-color:transparent;box-shadow:0 10px 24px rgba(201,163,90,.30);}

/* ============================ 核心优势 ============================ */
.seo-why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.seo-adv{position:relative;display:grid;grid-template-columns:58px 1fr;column-gap:22px;grid-template-areas:"ic title" "ic desc";align-items:start;padding:38px 30px;border-radius:var(--seo-r);background:#fff;border:1px solid var(--seo-light-2);overflow:hidden;transition:transform .45s var(--seo-ease),border-color .45s var(--seo-ease),box-shadow .45s var(--seo-ease);}
.seo-adv::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--seo-gold),var(--seo-gold-deep));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--seo-ease);}
.seo-adv:hover{transform:translateY(-10px);border-color:rgba(201,163,90,.4);box-shadow:0 26px 54px rgba(20,28,48,.10);}
.seo-adv:hover::before{transform:scaleX(1);}
.seo-adv-ic{width:58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;
  background:linear-gradient(135deg,#1b2740,#0e1626);grid-area:ic;position:relative;overflow:hidden;}
.seo-adv-ic::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(201,163,90,.35),transparent);}
.seo-adv h4{grid-area:title;font-size:18px;font-weight:700;color:var(--seo-ink);margin-bottom:12px;position:relative;}
.seo-adv p{grid-area:desc;font-size:14px;color:var(--seo-body);line-height:1.85;position:relative;}

/* ============================ 服务流程（五步黄金闭环） ============================ */
.seo-flow{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin-top:14px;}
.seo-flow-track{position:absolute;left:9%;right:9%;top:35px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,rgba(201,163,90,.10),rgba(201,163,90,.28),rgba(201,163,90,.10));}
.seo-flow-track-fill{position:absolute;left:9%;right:9%;top:35px;height:3px;border-radius:3px;width:0;
  background:linear-gradient(90deg,var(--seo-gold-deep),var(--seo-gold),var(--seo-gold-2));
  box-shadow:0 0 14px rgba(201,163,90,.55);transition:width 1.6s var(--seo-ease);}
.seo-flow.is-on .seo-flow-track-fill{width:82%;}
.seo-step{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;}
.seo-step-no{position:relative;z-index:3;width:70px;height:70px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--seo-serif);font-size:24px;font-weight:700;color:var(--seo-ink);letter-spacing:.5px;
  background:linear-gradient(135deg,var(--seo-gold-3),var(--seo-gold));
  border:5px solid #fff;box-shadow:0 12px 28px rgba(164,125,58,.30),0 0 0 1px rgba(201,163,90,.35);
  transition:transform .5s var(--seo-ease),box-shadow .5s var(--seo-ease),background .5s var(--seo-ease);}
.seo-step:hover .seo-step-no{transform:translateY(-6px) scale(1.05);
  box-shadow:0 18px 38px rgba(164,125,58,.42),0 0 0 1px rgba(201,163,90,.6);
  background:linear-gradient(135deg,var(--seo-gold-2),var(--seo-gold-deep));color:#fff;}
.seo-step-card{position:relative;width:100%;margin-top:24px;padding:30px 22px 26px;border-radius:20px;
  background:#fff;border:1px solid var(--seo-light-2);overflow:hidden;
  transition:transform .45s var(--seo-ease),border-color .45s var(--seo-ease),box-shadow .45s var(--seo-ease);}
.seo-step-card::before{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);width:54px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--seo-gold),var(--seo-gold-deep));transition:width .5s var(--seo-ease);}
.seo-step:hover .seo-step-card{transform:translateY(-8px);border-color:rgba(201,163,90,.45);box-shadow:0 26px 54px rgba(20,28,48,.10);}
.seo-step:hover .seo-step-card::before{width:84px;}
.seo-step-ic{width:54px;height:54px;margin:0 auto 16px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  font-size:22px;color:#fff;background:linear-gradient(135deg,#1b2740,#0e1626);position:relative;overflow:hidden;transition:transform .45s var(--seo-ease);}
.seo-step-ic::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(201,163,90,.42),transparent);}
.seo-step:hover .seo-step-ic{transform:rotate(-8deg) scale(1.06);}
.seo-step-card h3{font-size:17px;font-weight:700;color:var(--seo-ink);margin-bottom:10px;}
.seo-step-card p{font-size:13px;color:var(--seo-body);line-height:1.75;}
.seo-step-foot{margin-top:16px;}
.seo-step-tag{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;font-size:11.5px;font-weight:600;
  color:var(--seo-gold-deep);background:linear-gradient(135deg,rgba(201,163,90,.14),rgba(201,163,90,.06));
  border:1px solid rgba(201,163,90,.30);}
.seo-step-tag i{font-size:10.5px;opacity:.85;}
.seo-flow-foot{margin-top:46px;display:flex;align-items:center;justify-content:center;gap:14px;
  padding:18px 26px;border-radius:999px;background:linear-gradient(135deg,rgba(12,17,31,.92),rgba(17,26,46,.92));
  color:var(--seo-txt);box-shadow:0 18px 44px rgba(12,17,31,.16);width:fit-content;margin-left:auto;margin-right:auto;}
.seo-flow-loop{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--seo-ink);
  background:linear-gradient(135deg,var(--seo-gold-3),var(--seo-gold));box-shadow:0 6px 16px rgba(164,125,58,.4);}
.seo-flow-foot-txt{font-size:14px;font-weight:600;letter-spacing:.3px;}

/* ============================ 服务项目 ============================ */
.seo-services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.seo-service-card{position:relative;display:flex;gap:22px;align-items:flex-start;padding:30px 28px;border-radius:var(--seo-r);background:#fff;border:1px solid var(--seo-light-2);overflow:hidden;transition:transform .45s var(--seo-ease),border-color .45s var(--seo-ease),box-shadow .45s var(--seo-ease);}
.seo-service-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--seo-gold),var(--seo-gold-deep));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--seo-ease);}
.seo-service-card:hover{transform:translateY(-8px);border-color:rgba(201,163,90,.4);box-shadow:0 26px 54px rgba(20,28,48,.10);}
.seo-service-card:hover::before{transform:scaleX(1);}
.seo-service-ic{width:58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;flex:none;
  background:linear-gradient(135deg,#1b2740,#0e1626);position:relative;overflow:hidden;transition:.4s;}
.seo-service-ic::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(201,163,90,.4),transparent);}
.seo-service-card:hover .seo-service-ic{transform:rotate(-6deg) scale(1.05);}
.seo-service-body{flex:1;min-width:0;}
.seo-service-card h3{font-size:18px;font-weight:700;color:var(--seo-ink);margin:2px 0 10px;}
.seo-service-body>p{font-size:13.5px;color:var(--seo-body);line-height:1.8;margin-bottom:18px;}
.seo-service-feat{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;}
.seo-service-feat li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--seo-ink);}
.seo-service-feat li i{color:var(--seo-gold);font-size:11px;flex:none;}

/* ============================ 数据驾驶舱 ============================ */
.seo-cockpit-panel{position:relative;z-index:2;border-radius:26px;overflow:hidden;padding:clamp(26px,3vw,40px);
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
  border:1px solid var(--seo-line-soft);box-shadow:0 40px 90px rgba(0,0,0,.4),inset 0 0 32px rgba(255,255,255,.04);backdrop-filter:blur(16px);}
.seo-cp-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.seo-cp-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--seo-serif);font-size:20px;font-weight:700;color:#fff;}
.seo-cp-brand i{color:var(--seo-gold);}
.seo-cp-tabs{display:flex;gap:6px;background:rgba(255,255,255,.05);border:1px solid var(--seo-line-soft);border-radius:50px;padding:5px;}
.seo-cp-tabs em{font-style:normal;font-size:13px;font-weight:600;color:var(--seo-txt-dim);padding:7px 18px;border-radius:50px;cursor:default;transition:.3s;}
.seo-cp-tabs em.on{color:#221603;background:linear-gradient(135deg,var(--seo-gold-2),var(--seo-gold));}
.seo-cp-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px;}
.seo-cp-stat{position:relative;padding:18px 18px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--seo-line-soft);overflow:hidden;}
.seo-cp-stat b{display:block;font-family:var(--seo-serif);font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;line-height:1;}
.seo-cp-stat span{display:block;margin-top:8px;font-size:12.5px;color:var(--seo-txt-mute);}
.seo-cp-stat i{position:absolute;right:14px;top:14px;font-size:13px;color:var(--seo-green);}
.seo-cp-stat i.fa-arrow-trend-down{color:#ff8a8a;}
.seo-cp-charts{display:grid;grid-template-columns:1.5fr 1fr;gap:22px;}
.seo-cp-line{background:rgba(255,255,255,.04);border:1px solid var(--seo-line-soft);border-radius:16px;padding:22px;}
.seo-cp-line h5{font-size:13px;font-weight:600;color:var(--seo-txt-dim);margin-bottom:14px;letter-spacing:.04em;}
.seo-cp-line svg{width:100%;height:150px;display:block;}
.seo-line-axis{display:flex;justify-content:space-between;margin-top:10px;font-size:11px;color:var(--seo-txt-mute);}
.seo-cp-donut{background:rgba(255,255,255,.04);border:1px solid var(--seo-line-soft);border-radius:16px;padding:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;}
.seo-donut{position:relative;width:136px;height:136px;}
.seo-donut svg{transform:rotate(-90deg);}
.seo-donut-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;}
.seo-donut-center b{font-family:var(--seo-serif);font-size:27px;font-weight:700;color:#fff;line-height:1;}
.seo-donut-center span{font-size:11px;color:var(--seo-txt-mute);margin-top:3px;}
.seo-donut-legend{display:flex;flex-direction:column;gap:8px;width:100%;}
.seo-donut-legend div{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--seo-txt-dim);}
.seo-donut-legend i{width:10px;height:10px;border-radius:3px;flex:none;}

/* ============================ 优化技术矩阵 ============================ */
.seo-tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.seo-tech{position:relative;display:flex;gap:20px;align-items:flex-start;padding:30px 28px;border-radius:var(--seo-r);background:var(--seo-light);border:1px solid var(--seo-light-2);overflow:hidden;transition:transform .45s var(--seo-ease),border-color .45s var(--seo-ease),box-shadow .45s var(--seo-ease);}
.seo-tech::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(201,163,90,.16),transparent 70%);opacity:0;transition:opacity .45s;}
.seo-tech:hover{transform:translateY(-8px);border-color:rgba(201,163,90,.4);box-shadow:0 26px 54px rgba(20,28,48,.10);}
.seo-tech:hover::after{opacity:1;}
.seo-tech-ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:23px;color:#fff;flex:none;
  background:linear-gradient(135deg,#1b2740,#0e1626);position:relative;overflow:hidden;transition:.4s;}
.seo-tech-ic::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(201,163,90,.4),transparent);}
.seo-tech:hover .seo-tech-ic{transform:scale(1.06) rotate(-4deg);}
.seo-tech-body{flex:1;min-width:0;}
.seo-tech h4{font-size:18px;font-weight:700;color:var(--seo-ink);margin:2px 0 10px;}
.seo-tech p{font-size:14px;color:var(--seo-body);line-height:1.85;}

/* ============================ 常见问题 ============================ */
.seo-faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:16px;}
.seo-faq-item{background:#fff;border-radius:16px;box-shadow:0 2px 15px rgba(0,0,0,.04);overflow:hidden;transition:box-shadow .3s var(--seo-ease),border-color .3s var(--seo-ease);border:1px solid transparent;}
.seo-faq-item:hover{box-shadow:0 8px 28px rgba(0,0,0,.08);}
.seo-faq-item.active{border-color:rgba(201,163,90,.35);}
.seo-faq-q{padding:22px 28px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.seo-faq-q h3{font-size:16.5px;font-weight:600;color:var(--seo-ink);margin:0;}
.seo-faq-q i{font-size:16px;color:var(--seo-gold);transition:transform .35s var(--seo-ease);flex:none;}
.seo-faq-item.active .seo-faq-q i{transform:rotate(180deg);}
.seo-faq-a{max-height:0;overflow:hidden;transition:max-height .45s var(--seo-ease);}
.seo-faq-a p{padding:0 28px 22px;margin:0;font-size:14.5px;color:var(--seo-body);line-height:1.9;}
.seo-faq-item.active .seo-faq-a{max-height:240px;}

/* ============================ 服务承诺 ============================ */
.seo-promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;}
.seo-promise{position:relative;display:grid;grid-template-columns:56px 1fr;column-gap:20px;grid-template-areas:"ic title" "ic desc";align-items:start;padding:38px 30px;border-radius:var(--seo-r);overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--seo-line-soft);transition:transform .45s var(--seo-ease),border-color .45s var(--seo-ease);}
.seo-promise::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--seo-gold),var(--seo-gold-deep));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--seo-ease);}
.seo-promise:hover{transform:translateY(-9px);border-color:var(--seo-line);}
.seo-promise:hover::before{transform:scaleX(1);}
.seo-promise-ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--seo-gold-2);
  background:rgba(201,163,90,.12);border:1px solid var(--seo-line);grid-area:ic;}
.seo-promise h4{grid-area:title;font-size:18px;font-weight:700;color:#fff;margin-bottom:11px;}
.seo-promise p{grid-area:desc;font-size:13.5px;color:var(--seo-txt-dim);line-height:1.85;}

/* ============================ CTA ============================ */
.seo-cta{position:relative;overflow:hidden;padding:clamp(64px,7vw,100px) 0;text-align:center;
  background:radial-gradient(900px 460px at 50% -20%,rgba(201,163,90,.20),transparent 60%),linear-gradient(165deg,#0a0e1a,#0c1322);}
.seo-cta::before{content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:60px 60px;}
.seo-cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;}
.seo-cta-badge{display:inline-flex;align-items:center;gap:9px;padding:9px 20px;border-radius:50px;font-size:13px;font-weight:600;color:var(--seo-gold-2);
  background:rgba(201,163,90,.12);border:1px solid var(--seo-line);margin-bottom:26px;}
.seo-cta-badge i{color:var(--seo-gold);}
.seo-cta-inner h2{font-family:var(--seo-serif);font-size:clamp(28px,3.6vw,46px);font-weight:700;color:#fff;line-height:1.3;}
.seo-cta-inner h2 span{background:linear-gradient(120deg,var(--seo-gold-2),var(--seo-gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.seo-cta-inner p{margin-top:18px;font-size:clamp(14px,1.1vw,17px);color:var(--seo-txt-dim);line-height:1.8;}
.seo-cta-btns{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:34px;}
.seo-cta-contact{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;}
.seo-cta-c{display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:50px;font-size:14px;font-weight:600;color:var(--seo-txt);
  background:rgba(255,255,255,.05);border:1px solid var(--seo-line-soft);transition:all .3s var(--seo-ease);}
.seo-cta-c i{color:var(--seo-gold);}
.seo-cta-c:hover{color:#fff;border-color:var(--seo-gold);background:rgba(201,163,90,.12);transform:translateY(-2px);}

/* ============================ 响应式 ============================ */
@media (max-width:1100px){
  .seo-hero-inner{grid-template-columns:1fr;}
  .seo-console{margin:10px auto 0;max-width:560px;}
  .seo-why-grid{grid-template-columns:repeat(2,1fr);}
  .seo-services-grid{grid-template-columns:repeat(2,1fr);}
  .seo-cp-charts{grid-template-columns:1fr;}
  .seo-tech-grid{grid-template-columns:repeat(2,1fr);}
  .seo-promise-grid{grid-template-columns:repeat(2,1fr);}
  .seo-cp-stats{grid-template-columns:repeat(2,1fr);}
  /* 流程：转为竖向时间轴 */
  .seo-flow{grid-template-columns:1fr;gap:0;max-width:720px;margin:14px auto 0;padding-left:50px;}
  .seo-flow-track,.seo-flow-track-fill{left:82px;right:auto;top:20px;bottom:20px;width:3px;height:auto;}
  .seo-flow-track-fill{width:3px;height:0;}
  .seo-flow.is-on .seo-flow-track-fill{height:calc(100% - 40px);}
  .seo-step{flex-direction:row;align-items:flex-start;text-align:left;gap:20px;margin-bottom:22px;}
  .seo-step-no{flex:none;margin-top:0;}
  .seo-step-card{margin-top:0;width:auto;flex:1;text-align:left;}
  .seo-step-ic{margin:0 0 14px;}
}
@media (max-width:768px){
  .seo-box{padding:0 18px;}
  .seo-hero-stats{flex-wrap:wrap;gap:22px 36px;}
  .seo-why-grid,.seo-services-grid,.seo-tech-grid,.seo-promise-grid{grid-template-columns:1fr;}
  .seo-cp-stats{grid-template-columns:repeat(2,1fr);}
  .seo-float{display:none;}
  .seo-service-feat{grid-template-columns:1fr;}
  .seo-flow{padding-left:36px;}
  .seo-flow-track,.seo-flow-track-fill{left:63px;}
  .seo-step-no{width:58px;height:58px;font-size:20px;}
  .seo-step-card{padding:24px 18px 22px;}
}
@media (max-width:480px){
  .seo-cp-stats{grid-template-columns:1fr;}
  .seo-hero-btns .seo-btn{width:100%;justify-content:center;}
}