/* ==========================================================================
   乐益方官网 · 共享样式
   页面：index.html / ip.html / geo.html / contact.html
   ========================================================================== */

/* ================= 基础 ================= */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#04070E;
  --bg-2:#070C18;
  --brand:#2E6BFF;
  --brand-deep:#1B4FD8;
  --cyan:#22D3EE;
  --accent:#FF8A1F;
  --accent-2:#FF6A00;
  --text:#EAF0FF;
  --muted:#8695B6;
  --muted-2:#5D6B8A;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --card:rgba(255,255,255,.032);
  --card-2:rgba(255,255,255,.055);
  --radius:20px;
  --maxw:1180px;
  --nav-h:70px;
  --ease:cubic-bezier(.16,1,.3,1);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(46,107,255,.45);color:#fff}
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:#04070E}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#2E6BFF,#1B4FD8);border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ================= 背景特效层 ================= */
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(ellipse 95% 60% at 50% 10%,#000 20%,transparent 72%);
  mask-image:radial-gradient(ellipse 95% 60% at 50% 10%,#000 20%,transparent 72%);
}
.glow{position:absolute;border-radius:50%;filter:blur(110px);will-change:transform}
.glow-1{width:640px;height:640px;background:radial-gradient(circle,rgba(46,107,255,.34),transparent 66%);top:-8%;left:-180px}
.glow-2{width:560px;height:560px;background:radial-gradient(circle,rgba(34,211,238,.2),transparent 66%);top:26%;right:-200px}
.glow-3{width:520px;height:520px;background:radial-gradient(circle,rgba(255,138,31,.16),transparent 66%);top:58%;left:-120px}
.glow-4{width:620px;height:620px;background:radial-gradient(circle,rgba(46,107,255,.22),transparent 66%);top:96%;right:-160px}
.glow-5{width:600px;height:600px;background:radial-gradient(circle,rgba(255,138,31,.13),transparent 66%);top:150%;left:-140px}
.bg-noise{position:absolute;inset:0;opacity:.3;
  background-image:radial-gradient(rgba(255,255,255,.04) .5px,transparent .5px);background-size:4px 4px}

.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:120;
  background:linear-gradient(90deg,#2E6BFF,#22D3EE 52%,#FF8A1F);
  box-shadow:0 0 14px rgba(46,107,255,.7)}

/* ================= 导航 ================= */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;
  display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(4,7,14,.72),rgba(4,7,14,.28));
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .4s var(--ease),border-color .4s var(--ease),height .4s var(--ease)}
.nav.scrolled{background:rgba(4,7,14,.86);border-bottom-color:var(--line);height:62px}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%;
  display:flex;align-items:center;justify-content:flex-start;gap:18px}
.logo{display:flex;align-items:center;flex-shrink:0;transition:opacity .3s var(--ease)}
.logo:hover{opacity:.82}
.logo img{height:36px;width:auto;transition:height .4s var(--ease)}
.nav.scrolled .logo img{height:31px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;padding:8px 15px;border-radius:10px;font-size:14.5px;color:var(--muted);
  transition:color .3s var(--ease),background .3s var(--ease);white-space:nowrap}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:16px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px rgba(255,138,31,.9)}
.nav-cta{padding:10px 20px;border-radius:11px;font-size:14px;font-weight:600;flex-shrink:0;white-space:nowrap;
  background:linear-gradient(120deg,#FF8A1F,#FF6A00);color:#1A0C00;
  box-shadow:0 8px 24px rgba(255,122,26,.3);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,122,26,.45)}
.burger{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;place-items:center}
.burger span{display:block;width:17px;height:1.6px;background:#fff;border-radius:2px;transition:.35s var(--ease)}
.burger span+span{margin-top:4.5px}
.burger.on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.m-menu{position:fixed;inset:0;z-index:99;background:rgba(4,7,14,.97);
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  display:flex;flex-direction:column;justify-content:center;gap:4px;padding:0 34px;
  opacity:0;visibility:hidden;transform:translateY(-14px);
  transition:opacity .4s var(--ease),transform .4s var(--ease),visibility .4s}
.m-menu.on{opacity:1;visibility:visible;transform:none}
.m-menu a{font-size:22px;font-weight:700;color:var(--muted);padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.05);
  display:flex;align-items:center;justify-content:space-between;
  transition:color .3s var(--ease),padding-left .3s var(--ease)}
.m-menu a:hover,.m-menu a:active,.m-menu a.cur{color:#fff;padding-left:8px}
.m-menu a i{font-style:normal;font-size:11.5px;color:var(--accent);font-weight:600;letter-spacing:1px}
.m-menu .m-cta{margin-top:22px;border:none;justify-content:center;border-radius:14px;
  background:linear-gradient(120deg,#FF8A1F,#FF6A00);color:#1A0C00;font-size:17px;padding:16px}

/* ================= 通用 ================= */
main,footer{position:relative;z-index:1}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:900px;margin:0 auto;padding:0 24px}
section{padding:clamp(56px,6.4vw,94px) 0;scroll-margin-top:calc(var(--nav-h) + 10px);position:relative}
section.tight{padding:clamp(40px,4.6vw,64px) 0}
.sec-tag{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:600;
  letter-spacing:2.5px;color:var(--accent);text-transform:uppercase;margin-bottom:20px;
  padding:6px 14px 6px 12px;border:1px solid rgba(255,138,31,.26);border-radius:99px;
  background:linear-gradient(90deg,rgba(255,138,31,.12),rgba(255,138,31,.02))}
.sec-tag::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 8px rgba(255,138,31,.9)}
.sec-tag.blue{color:#7FA8FF;border-color:rgba(46,107,255,.3);
  background:linear-gradient(90deg,rgba(46,107,255,.14),rgba(46,107,255,.02))}
.sec-tag.blue::before{background:#2E6BFF;box-shadow:0 0 8px rgba(46,107,255,.9)}
.sec-title{font-size:clamp(27px,3.9vw,46px);font-weight:800;line-height:1.28;letter-spacing:-.6px}
.sec-title .hl{background:linear-gradient(100deg,#7FA8FF,#2E6BFF 48%,#22D3EE);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.sec-title .hl-o{background:linear-gradient(100deg,#FFC98A,#FF8A1F 58%,#FF6A00);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.sec-title.md{font-size:clamp(21px,2.8vw,30px)}
.sec-title.sm{font-size:clamp(19px,2.4vw,24px)}
.sec-sub{color:var(--muted);font-size:16.5px;max-width:680px;margin-top:18px}
.sec-head{margin-bottom:clamp(30px,3.6vw,46px)}
.sec-head.center{text-align:center}
.sec-head.center .sec-sub{margin-left:auto;margin-right:auto}
.sec-head.center .sec-tag{margin-left:auto;margin-right:auto}
.sec-head.mid{margin:clamp(48px,6vw,72px) 0 26px}

.reveal{opacity:0;transform:translateY(30px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}

.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;overflow:hidden;
  transition:transform .5s var(--ease),border-color .5s var(--ease),background .5s var(--ease)}
.card::before{content:"";position:absolute;inset:0;opacity:0;pointer-events:none;
  transition:opacity .45s var(--ease);
  background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(46,107,255,.15),transparent 62%)}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);background:var(--card-2)}
.card:hover::before{opacity:1}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 30px;border-radius:13px;font-size:15.5px;font-weight:600;cursor:pointer;
  border:none;font-family:inherit;letter-spacing:.3px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease)}
.btn svg{width:16px;height:16px;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:linear-gradient(120deg,#2E6BFF,#1B4FD8);color:#fff;box-shadow:0 10px 30px rgba(46,107,255,.34)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(46,107,255,.5)}
.btn-accent{background:linear-gradient(120deg,#FF8A1F,#FF6A00);color:#1A0C00;box-shadow:0 10px 30px rgba(255,122,26,.28)}
.btn-accent:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(255,122,26,.45)}
.btn-ghost{background:rgba(255,255,255,.05);color:#fff;border:1px solid var(--line-2)}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.btn-sm{padding:12px 22px;font-size:14.5px}

/* ================= 首屏（主页） ================= */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;
  padding-top:calc(var(--nav-h) + 40px);padding-bottom:36px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
/* 首页首屏天际线放大：楼更高、更近（仅首页，子页不受影响） */
.hero .hero-bg img{transform:scale(1.3)}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(4,7,14,.9) 0%,rgba(4,7,14,.66) 26%,rgba(4,7,14,.34) 46%,rgba(4,7,14,.72) 74%,rgba(4,7,14,.96) 92%,var(--bg) 100%),
    linear-gradient(100deg,rgba(4,7,14,.86) 0%,rgba(4,7,14,.5) 38%,rgba(4,7,14,.06) 68%,rgba(4,7,14,.4) 100%)}
.hero-in{position:relative;z-index:2;width:100%}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;
  letter-spacing:2.5px;color:#fff;margin-bottom:22px;
  padding:7px 16px;border-radius:99px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.07);backdrop-filter:blur(10px)}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block;
  box-shadow:0 0 10px rgba(255,138,31,.95);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(34px,4.9vw,66px);font-weight:800;line-height:1.18;letter-spacing:-1.6px;
  text-shadow:0 4px 40px rgba(0,0,0,.6)}
.hero h1 .line2{display:block;font-size:.66em;margin-top:14px;letter-spacing:-1px;
  background:linear-gradient(100deg,#FFFFFF 0%,#A8C4FF 32%,#5C8CFF 62%,#22D3EE 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;color:#C0CDE8;max-width:560px;margin-top:24px;line-height:1.9;
  text-shadow:0 2px 20px rgba(0,0,0,.7)}
.hero-lead b{color:#fff;font-weight:600}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}

.hero-paths{display:grid;gap:14px}
.hp{position:relative;display:block;padding:22px 24px;border-radius:18px;overflow:hidden;
  background:rgba(9,14,28,.62);border:1px solid rgba(255,255,255,.13);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:transform .5s var(--ease),border-color .5s var(--ease),background .5s var(--ease)}
.hp::after{content:"";position:absolute;top:-70px;right:-70px;width:190px;height:190px;border-radius:50%;
  filter:blur(42px);opacity:.65;transition:opacity .5s var(--ease)}
.hp-ip::after{background:radial-gradient(circle,rgba(46,107,255,.65),transparent 68%)}
.hp-geo::after{background:radial-gradient(circle,rgba(255,138,31,.6),transparent 68%)}
.hp:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.28);background:rgba(12,19,38,.78)}
.hp:hover::after{opacity:1}
.hp-top{display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1}
.hp-no{font-size:11.5px;letter-spacing:2.5px;font-weight:700;color:rgba(255,255,255,.42)}
.hp-arrow{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.2);color:#fff;transition:.4s var(--ease)}
.hp:hover .hp-arrow{background:#fff;color:#0B1220;border-color:#fff;transform:translateX(3px)}
.hp-arrow svg{width:14px;height:14px}
.hp b{display:block;font-size:21px;font-weight:800;margin:12px 0 4px;position:relative;z-index:1;letter-spacing:-.3px}
.hp-ip b{color:#A9C6FF}
.hp-geo b{color:#FFBE7A}
.hp span.hp-desc{display:block;font-size:14px;color:#A9B6D2;position:relative;z-index:1;line-height:1.7}

.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:clamp(40px,5vw,60px);
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.13);border-radius:18px;overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.hstat{background:rgba(6,10,20,.66);padding:22px 20px;text-align:center;transition:background .45s var(--ease)}
.hstat:hover{background:rgba(46,107,255,.14)}
.hstat .v{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-1px;color:#fff}
.hstat .v .u{font-size:.56em;font-weight:700;margin-left:2px;color:var(--accent)}
.hstat .k{font-size:12.5px;color:#94A3C0;margin-top:5px;letter-spacing:.4px}

/* ================= 子页 Hero ================= */
.page-hero{position:relative;overflow:hidden;display:flex;align-items:center;
  padding-top:calc(var(--nav-h) + clamp(46px,6vw,78px));
  padding-bottom:clamp(50px,6vw,80px);min-height:clamp(420px,54vh,560px)}
.page-hero .hero-bg img{object-position:center 38%}
.ph-ip .hero-bg::after{content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(4,7,14,.93) 0%,rgba(6,12,32,.8) 34%,rgba(5,10,26,.78) 62%,var(--bg) 100%),
    linear-gradient(100deg,rgba(8,20,58,.9) 0%,rgba(6,14,40,.62) 46%,rgba(4,7,14,.3) 100%)}
.ph-geo .hero-bg::after{content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(6,4,20,.93) 0%,rgba(16,9,44,.82) 34%,rgba(10,6,30,.8) 62%,var(--bg) 100%),
    linear-gradient(100deg,rgba(28,12,64,.92) 0%,rgba(18,10,48,.66) 46%,rgba(6,4,20,.32) 100%)}
.ph-contact .hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,14,.92) 0%,rgba(4,7,14,.76) 44%,var(--bg) 100%)}
.page-hero .hero-in{position:relative;z-index:2;width:100%}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted-2);margin-bottom:20px}
.crumb a{color:var(--muted);transition:color .3s var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb i{font-style:normal;opacity:.5}
.crumb b{color:#C6D3EC;font-weight:600}
.page-hero h1{font-size:clamp(30px,4.4vw,56px);font-weight:800;line-height:1.2;letter-spacing:-1.4px;
  text-shadow:0 4px 40px rgba(0,0,0,.6);max-width:16em}
.ph-ip h1 .line2{display:block;font-size:.62em;margin-top:12px;letter-spacing:-.8px;
  background:linear-gradient(100deg,#A8C4FF,#5C8CFF 55%,#22D3EE);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.ph-geo h1 .line2{display:block;font-size:.62em;margin-top:12px;letter-spacing:-.8px;
  background:linear-gradient(100deg,#FFD9A8,#FF8A1F 52%,#C77BFF);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.ph-contact h1 .line2{display:block;font-size:.62em;margin-top:12px;letter-spacing:-.8px;
  background:linear-gradient(100deg,#FFFFFF,#A8C4FF 45%,#2E6BFF);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .hero-lead{font-size:16.5px;color:#C0CDE8;max-width:660px;margin-top:22px;line-height:1.9;
  text-shadow:0 2px 20px rgba(0,0,0,.7)}
.page-hero .hero-lead b{color:#fff;font-weight:600}
.ph-btns{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}
.ph-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.ph-meta i{font-style:normal;font-size:12.5px;padding:6px 14px;border-radius:99px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);color:#DCE6FA}
.ph-ip .ph-meta i{border-color:rgba(46,107,255,.34);background:rgba(46,107,255,.1);color:#BCD2FF}
.ph-geo .ph-meta i{border-color:rgba(255,138,31,.3);background:rgba(255,138,31,.09);color:#FFCFA0}

/* GEO 首屏右侧：AI 视觉 */
.ph-vis{position:absolute;right:-40px;top:50%;transform:translateY(-50%);z-index:1;
  width:min(46vw,560px);opacity:.9;pointer-events:none}
.ph-vis img{width:100%;display:block}

/* 页面底部 CTA 条 */
.cta-band{position:relative;overflow:hidden;border-radius:26px;padding:clamp(34px,4.6vw,54px);
  background:linear-gradient(140deg,rgba(46,107,255,.16),rgba(9,14,28,.85) 44%,rgba(255,138,31,.12));
  border:1px solid var(--line-2);text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(600px circle at 50% 0%,rgba(46,107,255,.22),transparent 66%)}
.cta-band h3{position:relative;z-index:1;font-size:clamp(22px,3vw,34px);font-weight:800;
  line-height:1.45;letter-spacing:-.5px}
.cta-band h3 em{font-style:normal;color:var(--accent)}
.cta-band p{position:relative;z-index:1;margin-top:14px;font-size:15.5px;color:#B7C5E2;line-height:1.9}
.cta-band .c-btns{position:relative;z-index:1;margin-top:28px;display:flex;gap:13px;justify-content:center;flex-wrap:wrap}

/* ================= 获客现状 ================= */
.trend{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:stretch;margin-bottom:26px}
.trend-card{padding:28px 26px;border-radius:20px;border:1px solid var(--line);background:var(--card);
  transition:border-color .5s var(--ease),transform .5s var(--ease)}
.trend-card:hover{transform:translateY(-4px)}
.trend-old{opacity:.72}
.trend-card h4{font-size:15px;color:var(--muted-2);letter-spacing:2px;font-weight:600;margin-bottom:16px}
.trend-card p{font-size:15px;color:var(--muted);line-height:1.85}
.trend-new{border-color:rgba(255,138,31,.32);background:linear-gradient(160deg,rgba(255,138,31,.09),rgba(255,255,255,.015))}
.trend-new h4{color:var(--accent)}
.trend-new p{color:#C6D3EC}
.trend-new p b{color:#fff}
.trend-vs{display:grid;place-items:center;color:var(--muted-2);font-size:13px;font-weight:700;letter-spacing:1px}
.trend-vs span{padding:8px 12px;border:1px solid var(--line);border-radius:99px;background:rgba(255,255,255,.03)}

.paths{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:22px}
.path{position:relative;padding:30px 28px;border-radius:20px;overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  border:1px solid var(--line);transition:transform .5s var(--ease),border-color .5s var(--ease)}
.path:hover{transform:translateY(-5px);border-color:var(--line-2)}
.path .p-no{font-size:12px;letter-spacing:2.5px;font-weight:700;color:var(--muted-2)}
.path h3{font-size:20px;font-weight:800;margin:12px 0 10px;letter-spacing:-.3px}
.path-ip h3{color:#A9C6FF}
.path-geo h3{color:#FFBE7A}
.path p{font-size:14.5px;color:var(--muted);line-height:1.85}
.path .p-flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:18px;
  font-size:13px;color:#B7C5E2}
.path .p-flow i{font-style:normal;color:var(--muted-2)}
.path-tip{margin-top:clamp(26px,3.5vw,38px);padding:24px 28px;border-radius:18px;
  background:linear-gradient(90deg,rgba(46,107,255,.1),rgba(255,138,31,.07));
  border:1px solid var(--line);font-size:15.5px;color:#C6D3EC;line-height:1.85}
.path-tip b{color:#fff}

/* ================= 业务大卡（主页） ================= */
.bigcards{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.bigcard{position:relative;display:flex;flex-direction:column;border-radius:24px;overflow:hidden;
  padding:clamp(30px,3.6vw,42px);border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(255,255,255,.055),rgba(255,255,255,.012));
  transition:transform .55s var(--ease),border-color .55s var(--ease),box-shadow .55s var(--ease)}
.bigcard-fx{position:absolute;top:-120px;right:-100px;width:320px;height:320px;border-radius:50%;
  filter:blur(70px);opacity:.5;transition:opacity .55s var(--ease)}
.bc-ip .bigcard-fx{background:radial-gradient(circle,rgba(46,107,255,.75),transparent 68%)}
.bc-geo .bigcard-fx{background:radial-gradient(circle,rgba(255,138,31,.7),transparent 68%)}
.bigcard:hover{transform:translateY(-6px)}
.bc-ip:hover{border-color:rgba(46,107,255,.44);box-shadow:0 26px 60px rgba(46,107,255,.2)}
.bc-geo:hover{border-color:rgba(255,138,31,.44);box-shadow:0 26px 60px rgba(255,138,31,.18)}
.bigcard:hover .bigcard-fx{opacity:.95}
/* 注意：不要用 .bigcard>* 批量加 relative，会把绝对定位的 .bigcard-fx 拉回文档流 */
.bigcard>.bc-no,.bigcard>h3,.bigcard>.bc-sub,.bigcard>.bc-list,.bigcard>.bc-go{position:relative;z-index:1}
.bc-no{width:66px;height:66px;border-radius:18px;display:grid;place-items:center;
  font-size:22px;font-weight:800;letter-spacing:-1px;margin-bottom:22px}
.bc-ip .bc-no{background:linear-gradient(135deg,rgba(46,107,255,.32),rgba(34,211,238,.1));
  border:1px solid rgba(46,107,255,.42);color:#A9C6FF;box-shadow:0 10px 34px rgba(46,107,255,.24)}
.bc-geo .bc-no{background:linear-gradient(135deg,rgba(255,138,31,.3),rgba(255,106,0,.08));
  border:1px solid rgba(255,138,31,.44);color:#FFBE7A;box-shadow:0 10px 34px rgba(255,138,31,.22)}
.bigcard h3{font-size:clamp(23px,2.9vw,31px);font-weight:800;letter-spacing:-.6px;line-height:1.3}
.bc-ip h3 .hl{background:linear-gradient(100deg,#A8C4FF,#5C8CFF 55%,#22D3EE);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.bc-geo h3 .hl{background:linear-gradient(100deg,#FFD9A8,#FF8A1F 55%,#FF6A00);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.bigcard .bc-sub{margin-top:14px;font-size:15.5px;color:#B7C5E2;line-height:1.85}
.bigcard .bc-sub b{color:#fff}
.bc-list{list-style:none;margin:24px 0 0;display:grid;gap:13px;flex:1;align-content:start}
.bc-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#C6D3EC;line-height:1.7}
.bc-list svg{width:16px;height:16px;flex-shrink:0;margin-top:5px}
.bc-ip .bc-list svg{color:var(--cyan)}
.bc-geo .bc-list svg{color:var(--accent)}
.bc-go{margin-top:28px;display:inline-flex;align-items:center;justify-content:space-between;gap:12px;
  width:100%;padding:15px 22px;border-radius:14px;font-size:15px;font-weight:600;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);color:#fff;
  transition:background .4s var(--ease),border-color .4s var(--ease),transform .4s var(--ease)}
.bc-ip .bc-go:hover{background:rgba(46,107,255,.2);border-color:rgba(46,107,255,.5);transform:translateX(4px)}
.bc-geo .bc-go:hover{background:rgba(255,138,31,.18);border-color:rgba(255,138,31,.5);transform:translateX(4px)}
.bc-go svg{width:16px;height:16px;transition:transform .4s var(--ease)}
.bc-ip .bc-go:hover svg,.bc-geo .bc-go:hover svg{transform:translateX(4px)}

/* ================= 业务板块通用 ================= */
.biz-head{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:flex-start;
  margin-bottom:clamp(38px,4.5vw,56px)}
.biz-no{width:74px;height:74px;border-radius:20px;display:grid;place-items:center;flex-shrink:0;
  font-size:26px;font-weight:800;letter-spacing:-1px}
.biz-ip .biz-no{background:linear-gradient(135deg,rgba(46,107,255,.3),rgba(34,211,238,.1));
  border:1px solid rgba(46,107,255,.4);color:#A9C6FF;box-shadow:0 10px 34px rgba(46,107,255,.24)}
.biz-geo .biz-no{background:linear-gradient(135deg,rgba(255,138,31,.28),rgba(255,106,0,.08));
  border:1px solid rgba(255,138,31,.42);color:#FFBE7A;box-shadow:0 10px 34px rgba(255,138,31,.22)}
.biz-oneline{margin-top:16px;font-size:16.5px;color:#C6D3EC;line-height:1.8;
  padding-left:16px;border-left:2px solid var(--accent)}
.biz-ip .biz-oneline{border-left-color:var(--brand)}
.biz-oneline b{color:#fff}

/* 三张理论图 */
.theory{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.th{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);
  background:#08101F;cursor:zoom-in;
  transition:transform .5s var(--ease),border-color .5s var(--ease),box-shadow .5s var(--ease)}
.th:hover{transform:translateY(-6px);border-color:rgba(46,107,255,.45);box-shadow:0 22px 50px rgba(0,0,0,.55)}
.th img{width:100%;display:block}
.th-bar{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,transparent,rgba(4,7,14,.92) 62%);
  display:flex;align-items:center;justify-content:space-between;gap:10px}
.th-bar b{font-size:14.5px;font-weight:700;color:#fff}
.th-bar span{font-size:11.5px;color:#93A2C2;white-space:nowrap}
.th-zoom{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;background:rgba(4,7,14,.66);border:1px solid rgba(255,255,255,.18);
  opacity:0;transition:opacity .4s var(--ease);color:#fff}
.th:hover .th-zoom{opacity:1}
.th-zoom svg{width:15px;height:15px}

.theory-note{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}
.tn{padding:24px 22px;border-radius:16px;background:var(--card);border:1px solid var(--line);
  transition:background .45s var(--ease),border-color .45s var(--ease)}
.tn:hover{background:var(--card-2);border-color:var(--line-2)}
.tn h4{font-size:16px;font-weight:700;margin-bottom:10px;color:#DDE7FF}
.tn .tn-tags{display:flex;flex-wrap:wrap;gap:7px}
.tn .tn-tags i{font-style:normal;font-size:12.5px;padding:4px 11px;border-radius:99px;
  background:rgba(46,107,255,.12);border:1px solid rgba(46,107,255,.26);color:#A9C6FF}
.tn .tn-quote{margin-top:14px;font-size:13.5px;color:var(--muted);line-height:1.75;
  padding-left:12px;border-left:2px solid rgba(255,138,31,.5)}

/* 服务内容清单 */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.svc-item{display:flex;gap:13px;align-items:flex-start;padding:20px 22px;border-radius:15px;
  background:var(--card);border:1px solid var(--line);font-size:14.5px;color:#C6D3EC;
  transition:background .4s var(--ease),border-color .4s var(--ease)}
.svc-item:hover{background:var(--card-2);border-color:var(--line-2)}
.svc-item svg{width:16px;height:16px;flex-shrink:0;margin-top:5px}
.biz-ip .svc-item svg{color:var(--cyan)}
.biz-geo .svc-item svg{color:var(--accent)}

/* ================= GEO 专属 ================= */
.geo-quote{padding:30px 32px;border-radius:20px;margin-bottom:26px;
  background:linear-gradient(120deg,rgba(255,138,31,.11),rgba(9,14,28,.6) 46%,rgba(255,138,31,.06));
  border:1px solid rgba(255,138,31,.24);font-size:18px;line-height:1.85;color:#E4EBFA}
.geo-quote b{color:#FFBE7A}

.ainet{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ai-card{padding:26px;border-radius:18px;background:var(--card);border:1px solid var(--line);
  position:relative;transition:transform .5s var(--ease),border-color .5s var(--ease)}
.ai-card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.ai-step{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--accent);font-family:ui-monospace,Menlo,monospace}
.ai-card h4{font-size:17.5px;font-weight:700;margin:12px 0 9px}
.ai-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.net-foot{margin-top:22px;text-align:center;font-size:16px;color:#C6D3EC;line-height:2}
.net-foot b{color:#FFBE7A}

/* ---- AI 大模型环绕轨道图 ---- */
.orbit-wrap{position:relative;margin:clamp(26px,3.4vw,44px) 0 0}
.orbit-panel{position:relative;border-radius:26px;overflow:hidden;
  background:
    radial-gradient(760px circle at 50% 46%,rgba(58,40,160,.34),transparent 70%),
    linear-gradient(165deg,rgba(24,18,64,.72),rgba(6,8,22,.9));
  border:1px solid rgba(255,255,255,.12)}
.orbit-panel::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) .6px,transparent .6px);background-size:5px 5px;opacity:.5}
.orbit-svg{width:100%;display:block;position:relative;z-index:1}
.orbit-cap{position:relative;z-index:1;text-align:center;padding:0 clamp(20px,4vw,48px) clamp(28px,3.6vw,42px)}
.orbit-cap h3{font-size:clamp(19px,2.5vw,26px);font-weight:800;letter-spacing:-.4px;line-height:1.45}
.orbit-cap h3 em{font-style:normal;color:var(--accent)}
.orbit-cap p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.85;max-width:620px;margin-left:auto;margin-right:auto}

/* 轨道动效 */
.orbit-spin{transform-origin:370px 330px;animation:orbSpin 88s linear infinite}
.orbit-spin-r{transform-origin:370px 330px;animation:orbSpin 62s linear infinite reverse}
@keyframes orbSpin{to{transform:rotate(360deg)}}
.orbit-pulse{animation:orbPulse 3.6s ease-in-out infinite}
@keyframes orbPulse{0%,100%{opacity:.5}50%{opacity:1}}
.orbit-node{transition:transform .4s cubic-bezier(.16,1,.3,1),opacity .4s}
.orbit-node:hover{opacity:1}
.orbit-nodes{g}

.orbit-mini{display:none}

/* 平台标签 */
.plats{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.plat{font-size:13.5px;padding:8px 16px;border-radius:11px;color:#B7C5E2;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease)}
.plat:hover{background:rgba(255,138,31,.14);border-color:rgba(255,138,31,.36);color:#FFBE7A;transform:translateY(-2px)}

.step3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.s3{padding:28px 26px;border-radius:18px;position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(255,138,31,.09),rgba(255,255,255,.014));
  border:1px solid rgba(255,138,31,.2);transition:transform .5s var(--ease)}
.s3:hover{transform:translateY(-5px)}
.s3 .n{font-size:34px;font-weight:800;line-height:1;letter-spacing:-2px;
  background:linear-gradient(120deg,#FFC98A,#FF8A1F 60%,#FF6A00);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.s3 h4{font-size:18px;font-weight:700;margin:14px 0 9px}
.s3 p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* 权威发布 */
.auth{display:grid;grid-template-columns:.92fr 1.08fr;gap:24px;align-items:stretch}
.auth-main{padding:32px;border-radius:22px;position:relative;overflow:hidden;
  background:linear-gradient(155deg,rgba(255,138,31,.14),rgba(9,14,28,.85) 50%,rgba(46,107,255,.08));
  border:1px solid rgba(255,255,255,.14)}
.auth-main::before{content:"";position:absolute;top:-100px;right:-80px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,138,31,.34),transparent 68%);filter:blur(46px)}
.auth-main .a-tag{position:relative;z-index:1;font-size:12.5px;letter-spacing:2.5px;font-weight:600;color:#FFBE7A}
.auth-main h3{position:relative;z-index:1;font-size:23px;font-weight:800;line-height:1.45;margin:14px 0 16px;letter-spacing:-.4px}
.auth-main p{position:relative;z-index:1;font-size:14.5px;color:#B7C5E2;line-height:1.85}
.auth-main .a-meta{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.auth-main .a-meta i{font-style:normal;font-size:12.5px;padding:5px 12px;border-radius:99px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#DCE6FA}

.cmp{border-radius:22px;border:1px solid var(--line);overflow:hidden;background:var(--card)}
.cmp-row{display:grid;grid-template-columns:96px 1fr 1fr;border-bottom:1px solid var(--line)}
.cmp-row:last-child{border-bottom:none}
.cmp-row>div{padding:16px 18px;font-size:13.5px;line-height:1.7}
.cmp-head>div{font-size:12.5px;letter-spacing:1.5px;font-weight:700;color:var(--muted-2);
  background:rgba(255,255,255,.03)}
.cmp-head .c2{color:#93A2C2}
.cmp-head .c3{color:var(--accent)}
.cmp-row .ck{font-size:12.5px;color:var(--muted-2);letter-spacing:.5px;background:rgba(255,255,255,.02);
  display:flex;align-items:center}
.cmp-row .c2{color:#8494B4}
.cmp-row .c3{color:#E2E9FA;background:rgba(255,138,31,.055)}
.cmp-foot{padding:18px 22px;background:rgba(255,138,31,.07);font-size:14px;color:#C6D3EC;
  border-top:1px solid rgba(255,138,31,.18)}
.cmp-foot b{color:#FFBE7A}

/* 交付清单 */
.deliver{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dv{padding:24px 20px;border-radius:16px;background:var(--card);border:1px solid var(--line);
  transition:transform .45s var(--ease),border-color .45s var(--ease)}
.dv:hover{transform:translateY(-4px);border-color:rgba(255,138,31,.3)}
.dv .dn{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,138,31,.13);border:1px solid rgba(255,138,31,.28);color:var(--accent);
  font-size:14px;font-weight:700;margin-bottom:14px}
.dv p{font-size:14.5px;color:#C6D3EC;line-height:1.7}
.deliver.blue .dv:hover{border-color:rgba(46,107,255,.36)}
.deliver.blue .dv .dn{background:rgba(46,107,255,.14);border-color:rgba(46,107,255,.3);color:#8FB4FF}

/* 可交付物（IP页） */
.gain{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:26px}
.gain-item{display:flex;gap:16px;padding:24px;border-radius:16px;background:var(--card);
  border:1px solid var(--line);transition:background .45s var(--ease),border-color .45s var(--ease)}
.gain-item:hover{background:var(--card-2);border-color:var(--line-2)}
.gain-item .g-n{width:38px;height:38px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  font-size:13.5px;font-weight:700;font-family:ui-monospace,Menlo,monospace;
  background:rgba(46,107,255,.14);border:1px solid rgba(46,107,255,.3);color:#8FB4FF}
.gain-item h4{font-size:16.5px;font-weight:700;margin-bottom:6px}
.gain-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ================= 双轮协同 ================= */
.syn{display:grid;grid-template-columns:.86fr 1.14fr;gap:24px;align-items:start}
.syn-ic{list-style:none}
.syn-ic li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.syn-ic li:last-child{border-bottom:none}
.syn-ic .num{width:30px;height:30px;border-radius:9px;flex-shrink:0;display:grid;place-items:center;
  font-size:13px;font-weight:700;background:rgba(255,255,255,.06);border:1px solid var(--line-2);
  color:#fff;font-family:ui-monospace,Menlo,monospace}
.syn-ic h4{font-size:16px;font-weight:700;margin-bottom:5px}
.syn-ic p{font-size:14px;color:var(--muted);line-height:1.8}
.syn-ic li.hi .num{background:linear-gradient(135deg,rgba(255,138,31,.28),rgba(255,106,0,.1));
  border-color:rgba(255,138,31,.42);color:#FFBE7A}
.syn-ic li.hi h4{color:#FF8A1F}

.syn-table{border-radius:22px;border:1px solid var(--line);overflow:hidden;background:var(--card)}
.syn-row{display:grid;grid-template-columns:92px 1fr 1fr;border-bottom:1px solid var(--line)}
.syn-row:last-child{border-bottom:none}
.syn-row>div{padding:15px 18px;font-size:13.5px;line-height:1.7}
.syn-head>div{font-size:13.5px;font-weight:700;letter-spacing:.5px;background:rgba(255,255,255,.035)}
.syn-head .s-ip{color:#A9C6FF}
.syn-head .s-geo{color:#FFBE7A}
.syn-row .sk{font-size:12.5px;color:var(--muted-2);background:rgba(255,255,255,.02);display:flex;align-items:center}
.syn-row .s-ip{color:#C6D3EC}
.syn-row .s-geo{color:#C6D3EC;background:rgba(255,138,31,.05)}

.truth{margin-top:26px;padding:clamp(30px,4vw,44px);border-radius:24px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(140deg,rgba(46,107,255,.13),rgba(9,14,28,.8) 46%,rgba(255,138,31,.11));
  border:1px solid rgba(255,255,255,.13)}
.truth::after{content:"";position:absolute;inset:0;
  background:radial-gradient(560px circle at 50% 0%,rgba(46,107,255,.2),transparent 66%)}
.truth h3{position:relative;z-index:1;font-size:clamp(21px,2.9vw,32px);font-weight:800;line-height:1.5;letter-spacing:-.4px}
.truth h3 em{font-style:normal;color:var(--accent)}
.truth p{position:relative;z-index:1;margin-top:16px;font-size:15.5px;color:#B7C5E2;line-height:1.9}
.truth .four{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:24px}
.truth .four i{font-style:normal;font-size:13.5px;padding:8px 18px;border-radius:99px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#E4EBFA}

/* ================= 流程 ================= */
.steps{display:grid;gap:0}
.steps.two{grid-template-columns:1fr 1fr;gap:0 46px}
.step{display:grid;grid-template-columns:88px 1fr;gap:26px;position:relative;padding-bottom:42px}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:43px;top:64px;bottom:0;width:1px;
  background:linear-gradient(180deg,rgba(46,107,255,.5),rgba(46,107,255,.05))}
.step:last-child::before{display:none}
.step .no{width:88px;height:56px;border-radius:15px;display:grid;place-items:center;
  font-size:19px;font-weight:800;font-family:ui-monospace,Menlo,monospace;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:#fff;position:relative;z-index:1;
  transition:background .45s var(--ease),border-color .45s var(--ease)}
.step:hover .no{background:linear-gradient(135deg,rgba(46,107,255,.3),rgba(46,107,255,.08));
  border-color:rgba(46,107,255,.5)}
.step-body{padding-top:8px}
.step-body h3{font-size:19.5px;font-weight:700;margin-bottom:9px;letter-spacing:-.2px}
.step-body h3 span{font-size:12.5px;font-weight:600;color:var(--accent);letter-spacing:1.5px;
  margin-left:12px;border:1px solid rgba(255,138,31,.3);border-radius:99px;padding:3px 10px;vertical-align:middle}
.step-body p{font-size:14.8px;color:var(--muted);max-width:760px}
.biz-ip .step .no{color:#A9C6FF}
.biz-geo .step .no{color:#FFBE7A}

/* ================= 案例 ================= */
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.cases.three{grid-template-columns:repeat(3,1fr)}
.case{padding:0;display:flex;flex-direction:column;
  background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.015))}
.case-top{padding:26px 28px 22px;border-bottom:1px solid var(--line)}
.case-tag{display:inline-block;font-size:12px;letter-spacing:1.5px;font-weight:600;
  color:var(--cyan);border:1px solid rgba(34,211,238,.3);border-radius:99px;padding:3px 12px;
  background:rgba(34,211,238,.07)}
.cases.blue .case-tag{color:#8FB4FF;border-color:rgba(46,107,255,.34);background:rgba(46,107,255,.1)}
.cases.orange .case-tag{color:#FFBE7A;border-color:rgba(255,138,31,.34);background:rgba(255,138,31,.1)}
.case h3{font-size:19.5px;font-weight:700;margin-top:15px;line-height:1.45;letter-spacing:-.2px}
.case-rows{padding:22px 28px 26px;display:grid;gap:16px;flex:1;align-content:start}
.case-row{display:grid;grid-template-columns:86px 1fr;gap:14px;align-items:start}
.case-row .k{font-size:12.5px;color:var(--muted-2);letter-spacing:.5px;padding-top:3px;white-space:nowrap}
.case-row .val{font-size:14.5px;color:#C6D5F5;line-height:1.75}
.case-row .val.ph{color:#94A3C4}
.case-more{display:grid;place-items:center;padding:44px 30px;text-align:center;
  border:1px dashed rgba(255,255,255,.16);background:rgba(255,255,255,.015);border-radius:var(--radius)}
.case-more svg{width:34px;height:34px;color:var(--accent);opacity:.75;margin-bottom:16px}
.case-more h4{font-size:17px;font-weight:700;margin-bottom:8px}
.case-more p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* 案例跳转条（主页） */
.case-jump{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:22px}
.cj{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:24px 26px;border-radius:18px;border:1px solid var(--line);background:var(--card);
  transition:transform .45s var(--ease),border-color .45s var(--ease),background .45s var(--ease)}
.cj:hover{transform:translateY(-4px);background:var(--card-2)}
.cj-ip:hover{border-color:rgba(46,107,255,.42)}
.cj-geo:hover{border-color:rgba(255,138,31,.42)}
.cj b{display:block;font-size:17px;font-weight:700;margin-bottom:5px}
.cj span{font-size:13.5px;color:var(--muted);line-height:1.7}
.cj-ic{width:40px;height:40px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  border:1px solid var(--line-2);color:#fff;transition:.4s var(--ease)}
.cj:hover .cj-ic{transform:translateX(4px)}
.cj-ip .cj-ic{background:rgba(46,107,255,.16);border-color:rgba(46,107,255,.36);color:#A9C6FF}
.cj-geo .cj-ic{background:rgba(255,138,31,.16);border-color:rgba(255,138,31,.36);color:#FFBE7A}
.cj-ic svg{width:16px;height:16px}

/* ================= 为什么 ================= */
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.why-item{display:flex;gap:18px;padding:26px;align-items:flex-start}
.why-item .w-ico{width:46px;height:46px;border-radius:13px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(46,107,255,.12);border:1px solid rgba(46,107,255,.28);color:#8FB4FF}
.why-item:nth-child(even) .w-ico{background:rgba(255,138,31,.12);border-color:rgba(255,138,31,.28);color:var(--accent)}
.why-item .w-ico svg{width:21px;height:21px}
.why-item h4{font-size:17px;font-weight:700;margin-bottom:7px}
.why-item p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ================= 联系我们 ================= */
.contact-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch;
  border-radius:28px;padding:clamp(32px,4.5vw,56px);position:relative;overflow:hidden;
  background:linear-gradient(150deg,rgba(46,107,255,.14),rgba(9,14,28,.9) 42%,rgba(255,138,31,.08));
  border:1px solid var(--line-2)}
.contact-wrap::before{content:"";position:absolute;top:-160px;left:-80px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(46,107,255,.38),transparent 68%);filter:blur(60px)}
.contact-wrap::after{content:"";position:absolute;bottom:-180px;right:-60px;width:380px;height:380px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,138,31,.2),transparent 68%);filter:blur(60px)}
.c-left{position:relative;z-index:1}
.c-left h2{font-size:clamp(25px,3.4vw,38px);font-weight:800;line-height:1.3;letter-spacing:-.6px;margin-bottom:16px}
.c-left>p{color:#A8B8D8;font-size:16px;max-width:460px;line-height:1.85}
.c-list{list-style:none;margin-top:32px;display:grid;gap:16px}
.c-list li{display:flex;align-items:center;gap:15px}
.c-list .ci{width:44px;height:44px;border-radius:13px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(255,255,255,.055);border:1px solid var(--line-2);color:#9FB6E0}
.c-list .ci svg{width:19px;height:19px}
.c-list .ck{font-size:12px;color:var(--muted-2);letter-spacing:1.5px}
.c-list .cv{font-size:16px;font-weight:600;color:#EAF0FF}
.c-list .cv.o{color:var(--accent)}
.c-btns{margin-top:34px;display:flex;gap:13px;flex-wrap:wrap}
.c-right{position:relative;z-index:1;display:grid;place-items:center}
.qr-card{width:100%;max-width:310px;border-radius:22px;padding:26px;text-align:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);backdrop-filter:blur(14px);
  box-shadow:0 24px 60px rgba(0,0,0,.45)}
.qr-card .q-title{font-size:16px;font-weight:700;margin-bottom:4px}
.qr-card .q-sub{font-size:12.5px;color:var(--muted-2);letter-spacing:.5px;margin-bottom:18px}
.qr-box{width:100%;aspect-ratio:1;border-radius:16px;background:#fff;padding:12px;display:grid;place-items:center;overflow:hidden}
.qr-box svg{width:100%;height:100%;display:block}
.qr-box img{width:100%;height:100%;object-fit:contain;border-radius:8px}
.qr-hint{margin-top:16px;font-size:12.5px;color:var(--accent);background:rgba(255,138,31,.1);
  border:1px dashed rgba(255,138,31,.35);border-radius:10px;padding:9px 12px;line-height:1.6}
.qr-note{margin-top:12px;font-size:12.5px;color:var(--muted-2)}

/* 联系卡片网格（联系页） */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:clamp(34px,4vw,48px)}
.cc{padding:28px 26px;border-radius:20px;background:var(--card);border:1px solid var(--line);
  transition:transform .45s var(--ease),border-color .45s var(--ease)}
.cc:hover{transform:translateY(-5px);border-color:var(--line-2)}
.cc .cc-ic{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(46,107,255,.13);border:1px solid rgba(46,107,255,.28);color:#8FB4FF}
.cc:nth-child(2) .cc-ic{background:rgba(255,138,31,.13);border-color:rgba(255,138,31,.28);color:var(--accent)}
.cc:nth-child(3) .cc-ic{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.26);color:var(--cyan)}
.cc .cc-ic svg{width:20px;height:20px}
.cc h4{font-size:17px;font-weight:700;margin-bottom:8px}
.cc p{font-size:14.5px;color:var(--muted);line-height:1.8}
.cc .cc-val{font-size:17px;font-weight:700;color:#EAF0FF;margin-bottom:6px;letter-spacing:.3px}
.cc .cc-val.o{color:var(--accent)}

/* 常见问题 */
.faq{display:grid;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--card);overflow:hidden;
  transition:border-color .4s var(--ease),background .4s var(--ease)}
.faq-item:hover{border-color:var(--line-2);background:var(--card-2)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;cursor:pointer;color:#E4EBFA}
.faq-q .fi{width:22px;height:22px;flex-shrink:0;position:relative;transition:transform .4s var(--ease)}
.faq-q .fi::before,.faq-q .fi::after{content:"";position:absolute;left:50%;top:50%;background:var(--accent);
  border-radius:2px;transform:translate(-50%,-50%)}
.faq-q .fi::before{width:12px;height:1.8px}
.faq-q .fi::after{width:1.8px;height:12px;transition:opacity .35s var(--ease)}
.faq-item.on .faq-q .fi::after{opacity:0}
.faq-item.on .faq-q .fi{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.9;max-width:74ch}
.faq-a p b{color:#C6D3EC}

/* ================= 页脚（已合并底部二维码区块） ================= */
.footer{position:relative;z-index:1;border-top:1px solid var(--line);
  padding:36px 0 26px;margin-top:clamp(24px,3.4vw,42px)}
.f-main{display:grid;grid-template-columns:1fr auto;gap:clamp(24px,4vw,56px);align-items:center}
.f-ask{margin-top:15px;font-size:clamp(17px,2.05vw,22px);font-weight:800;letter-spacing:-.4px;line-height:1.42}
.f-ask em{font-style:normal;color:var(--accent)}
.f-tags{margin-top:12px;display:flex;gap:9px;flex-wrap:wrap}
.f-tags i{font-style:normal;font-size:12.5px;color:#A9C0F0;padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line)}
.f-qr{display:flex;align-items:center;gap:15px}
.f-qr img{width:118px;display:block;background:#fff;border-radius:14px;padding:7px;
  box-shadow:0 14px 36px rgba(0,0,0,.42)}
.f-qr-t b{display:block;font-size:14px;font-weight:700;color:#EAF0FF}
.f-qr-t span{display:block;margin-top:7px;font-size:12.5px;color:var(--accent)}
.f-bottom{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:12px 24px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted-2)}
.f-copy{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.f-copy a{color:inherit;transition:color .3s var(--ease)}
.f-copy a:hover{color:var(--accent)}
.f-nav{display:flex;gap:22px;flex-wrap:wrap}
.f-nav a{font-size:13px;color:var(--muted);transition:color .3s var(--ease)}
.f-nav a:hover{color:var(--accent)}

.totop{position:fixed;right:24px;bottom:26px;width:46px;height:46px;border-radius:14px;z-index:90;
  display:grid;place-items:center;cursor:pointer;background:rgba(9,14,28,.85);
  border:1px solid var(--line-2);color:#fff;backdrop-filter:blur(12px);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .4s var(--ease),transform .4s var(--ease),background .3s var(--ease),visibility .4s}
.totop.on{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--brand);border-color:var(--brand)}
.totop svg{width:18px;height:18px}

/* ================= 图片放大 ================= */
.lb{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:26px;
  background:rgba(3,5,10,.94);backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s}
.lb.on{opacity:1;visibility:visible}
.lb img{max-width:min(96vw,1100px);max-height:92vh;border-radius:14px;
  box-shadow:0 30px 90px rgba(0,0,0,.7);transform:scale(.96);transition:transform .4s var(--ease)}
.lb.on img{transform:none}
.lb-x{position:absolute;top:22px;right:26px;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  color:#fff;cursor:pointer;font-size:20px;line-height:1}
.lb-x:hover{background:rgba(255,255,255,.18)}

/* ================= 响应式 ================= */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-lead{max-width:none}
  .hero-paths{grid-template-columns:1fr 1fr}
  .trend{grid-template-columns:1fr;gap:14px}
  .trend-vs{justify-items:start}
  .theory{grid-template-columns:1fr 1fr}
  .theory-note{grid-template-columns:1fr}
  .svc{grid-template-columns:repeat(2,1fr)}
  .ainet{grid-template-columns:1fr}
  .step3{grid-template-columns:1fr}
  .auth{grid-template-columns:1fr}
  .deliver{grid-template-columns:repeat(2,1fr)}
  .syn{grid-template-columns:1fr}
  .cases,.cases.three{grid-template-columns:1fr}
  .why{grid-template-columns:1fr}
  .bigcards{grid-template-columns:1fr}
  .case-jump{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr;gap:40px}
  .contact-cards{grid-template-columns:1fr 1fr}
  .qr-card{max-width:290px}
  .ph-vis{width:min(52vw,420px);right:-70px;opacity:.55}
}
@media (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .burger{display:grid;margin-left:auto}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-paths{grid-template-columns:1fr}
  .gain{grid-template-columns:1fr}
  .steps.two{grid-template-columns:1fr}
}
@media (max-width:760px){
  .orbit-svg.desktop{display:none}
  .orbit-mini{display:block;width:100%;max-width:420px;margin:0 auto}
}
@media (max-width:600px){
  section{padding:68px 0}
  section.tight{padding:52px 0}
  .wrap,.wrap-narrow{padding:0 18px}
  .hero{min-height:auto;padding-top:calc(var(--nav-h) + 54px);padding-bottom:52px}
  .hero-bg img{object-position:center 46%}
  .hero .hero-bg img{transform:scale(1.22)}
  .hero h1{letter-spacing:-1px}
  .hero-lead br{display:none}
  .hero-btns .btn{width:100%}
  .ph-btns .btn{width:100%}
  .c-btns .btn{width:100%}
  .page-hero{min-height:auto;padding-top:calc(var(--nav-h) + 44px);padding-bottom:46px}
  .page-hero h1{letter-spacing:-.8px}
  .page-hero .hero-lead br{display:none}
  .ph-vis{display:none}
  .biz-head{grid-template-columns:1fr;gap:18px}
  .biz-no{width:58px;height:58px;border-radius:16px;font-size:21px}
  .theory{grid-template-columns:1fr}
  .svc{grid-template-columns:1fr}
  .gain{grid-template-columns:1fr}
  .deliver{grid-template-columns:1fr}
  .paths{grid-template-columns:1fr}
  .cmp-row{grid-template-columns:1fr;}
  .cmp-row .ck{background:rgba(255,138,31,.08);color:var(--accent);font-weight:600}
  .cmp-row .c2::before{content:"常规做法 · ";color:#93A2C2;font-weight:600}
  .cmp-row .c3::before{content:"乐益方 · ";color:var(--accent);font-weight:600}
  .cmp-head{display:none}
  .syn-row{grid-template-columns:1fr}
  .syn-row .s-ip::before{content:"IP 打造 · ";color:#7FA8FF;font-weight:600}
  .syn-row .s-geo::before{content:"GEO 优化 · ";color:var(--accent);font-weight:600}
  .syn-head{display:none}
  .syn-row .sk{background:rgba(255,138,31,.08);color:var(--accent);font-weight:600}
  .case-row{grid-template-columns:1fr;gap:4px}
  .case-row .k{color:var(--accent);font-weight:600}
  .step{grid-template-columns:64px 1fr;gap:18px}
  .step .no{width:64px;height:48px;font-size:16px}
  .step::before{left:31px;top:56px}
  .totop{right:16px;bottom:18px}
  .hstat{padding:18px 12px}
  .qr-card{padding:20px}
  .contact-wrap{padding:28px 22px}
  .contact-cards{grid-template-columns:1fr}
  .geo-quote{padding:22px 20px;font-size:16px}
  .auth-main{padding:24px 22px}
  .bigcard{padding:26px 22px}
  .cta-band{padding:30px 22px}
  .faq-q{padding:17px 20px;font-size:15px}
  .faq-a p{padding:0 20px 20px}
  .orbit-cap{padding:0 18px 26px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ================= 底部二维码区块 ================= */
.qr-band{
  position:relative;overflow:hidden;margin-top:clamp(28px,4vw,44px);
  display:grid;grid-template-columns:1fr auto;gap:clamp(24px,4vw,54px);align-items:center;
  border-radius:26px;padding:clamp(28px,3.6vw,44px) clamp(26px,3.6vw,48px);
  background:linear-gradient(118deg,rgba(46,107,255,.16) 0%,rgba(255,138,31,.09) 58%,rgba(255,255,255,.02) 100%);
  border:1px solid rgba(46,107,255,.26);
}
.qr-band::before{
  content:"";position:absolute;top:-150px;left:-100px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,107,255,.32),transparent 68%);filter:blur(72px);pointer-events:none;
}
.qr-band::after{
  content:"";position:absolute;bottom:-160px;right:-70px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,31,.2),transparent 68%);filter:blur(72px);pointer-events:none;
}
.qr-band>*{position:relative;z-index:1}
.qr-band h3{font-size:clamp(21px,2.8vw,30px);font-weight:800;letter-spacing:-.6px;line-height:1.36}
.qr-band h3 em{font-style:normal;color:var(--accent)}
.qr-band .qb-sub{margin-top:13px;font-size:15px;color:#B7C5E2;line-height:1.88;max-width:540px}
.qr-band .qb-tags{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}
.qr-band .qb-tags i{
  font-style:normal;font-size:12.5px;color:#A9C0F0;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.qr-band .qb-card{display:flex;align-items:center;gap:18px}
.qr-band .qb-img{
  width:148px;flex-shrink:0;background:#fff;border-radius:16px;padding:10px;
  box-shadow:0 18px 44px rgba(0,0,0,.45);
}
.qr-band .qb-img img{width:100%;display:block;border-radius:8px}
.qr-band .qb-txt .qb-t1{font-size:15.5px;font-weight:700;color:#EAF0FF}
.qr-band .qb-txt .qb-t2{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.7}
.qr-band .qb-txt .qb-t3{margin-top:12px;font-size:12.5px;color:var(--accent)}
@media (max-width:820px){
  .qr-band{grid-template-columns:1fr;text-align:center;justify-items:center}
  .qr-band .qb-sub{max-width:none}
  .qr-band .qb-tags{justify-content:center}
  .qr-band .qb-card{flex-direction:column;text-align:center;gap:14px}
}
@media (max-width:600px){
  .qr-band{padding:26px 20px}
  .qr-band .qb-img{width:132px}
}

/* ================= 页脚响应式 ================= */
@media (max-width:820px){
  .f-main{grid-template-columns:1fr;justify-items:center;text-align:center;gap:26px}
  .f-tags{justify-content:center}
  .f-qr{flex-direction:column;text-align:center;gap:11px}
  .f-qr img{width:150px}
}
@media (max-width:600px){
  .footer{padding:30px 0 22px}
  .f-bottom{flex-direction:column;align-items:center;text-align:center;gap:14px}
  .f-copy{justify-content:center;gap:8px 12px}
  .f-nav{justify-content:center;gap:18px}
}