/* 鸿蒙Sans SC 主字体，系统字体栈作为回退 */
@font-face{
  font-family:"HarmonyOS Sans SC";
  font-style:normal;font-weight:400;font-display:swap;
  src:url("../assets/fonts/HarmonyOS_Sans_SC_Regular.ttf") format("truetype");
}
@font-face{
  font-family:"HarmonyOS Sans SC";
  font-style:normal;font-weight:500;font-display:swap;
  src:url("../assets/fonts/HarmonyOS_Sans_SC_Medium.ttf") format("truetype");
}
@font-face{
  font-family:"HarmonyOS Sans SC";
  font-style:normal;font-weight:700;font-display:swap;
  src:url("../assets/fonts/HarmonyOS_Sans_SC_Bold.ttf") format("truetype");
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --blue-900:#0A2463;--blue-800:#0D3A8C;--blue-700:#1246B8;--blue-600:#1E50CC;
  --blue-500:#2563EB;--blue-400:#3B82F6;--blue-300:#60A5FA;--blue-200:#93C5FD;
  --blue-100:#DBEAFE;--blue-50:#EFF6FF;
  --slate-900:#0F172A;--slate-800:#1E293B;--slate-700:#334155;--slate-600:#475569;
  --slate-500:#64748B;--slate-400:#94A3B8;--slate-300:#CBD5E1;--slate-200:#E2E8F0;
  --slate-100:#F1F5F9;--slate-50:#F8FAFC;
  --white:#FFFFFF;--green:#16A34A;--red:#DC2626;--amber:#F59E0B;
  --radius:14px;--radius-lg:20px;--radius-xl:28px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue","Noto Sans SC",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --max-w:1120px;--ease:cubic-bezier(.4,0,.2,1);--ease-out:cubic-bezier(.16,1,.3,1);
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 4px 12px rgba(15,23,42,.08);
  --shadow-md:0 8px 24px rgba(15,23,42,.10);
  --shadow-lg:0 16px 48px rgba(15,23,42,.12);
  --shadow-blue:0 8px 32px rgba(37,99,235,.20);
  --shadow-blue-lg:0 16px 48px rgba(37,99,235,.25);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--slate-50);color:var(--slate-900);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}ul{list-style:none}section{position:relative}
img{display:block;max-width:100%}

.wrap{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1320px;margin:0 auto;padding:0 24px}
.wrap-xwide{max-width:1440px;margin:0 auto;padding:0 32px}

/* Section heading */
.s-head{margin-bottom:56px}
.s-head.center{text-align:center}
.s-head.center .s-sub{max-width:620px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:600;color:var(--blue-600);letter-spacing:.03em;margin-bottom:14px;text-transform:uppercase}
.eyebrow::before{content:'';width:24px;height:2px;background:var(--blue-500);border-radius:1px}
.s-head.center .eyebrow::before{display:none}
.s-title{font-size:2.2rem;font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--slate-900)}
.s-title .hl{color:var(--blue-600)}
.s-sub{font-size:1.05rem;color:var(--slate-500);line-height:1.6;margin-top:12px}

/* Reveal */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.reveal.active{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}.reveal-d3{transition-delay:.3s}

/* ===== Nav ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .3s var(--ease)}
.nav.scrolled{background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);box-shadow:var(--shadow-sm);border-bottom:1px solid var(--slate-200)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:var(--max-w);margin:0 auto;padding:0 24px}
.nav-logo{display:flex;align-items:center;gap:10px;cursor:pointer;height:100%;padding:8px 0}
.nav-logo-img{height:32px;width:auto;display:block;transition:height .3s var(--ease),filter .3s var(--ease);filter:brightness(0) invert(1)}
.nav.scrolled .nav-logo-img{height:28px;filter:none}
.nav.scrolled .nav-logo-text em{color:var(--blue-600)}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-link{font-size:.85rem;font-weight:500;color:rgba(255,255,255,.82);cursor:pointer;transition:color .2s;position:relative}
.nav.scrolled .nav-link{color:var(--slate-600)}
.nav-link:hover{color:var(--white)}
.nav.scrolled .nav-link:hover{color:var(--blue-600)}
.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--blue-500);border-radius:1px;transition:width .25s var(--ease)}
.nav-link:hover::after{width:100%}
.nav-cta{font-size:.88rem;font-weight:600;color:var(--white);background:var(--blue-600);padding:9px 20px;border-radius:8px;cursor:pointer;transition:all .25s var(--ease);box-shadow:var(--shadow-blue)}
.nav-cta:hover{background:var(--blue-700);transform:translateY(-1px);box-shadow:var(--shadow-blue-lg)}
.nav.scrolled .nav-cta{color:var(--white)}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.nav-burger span{width:22px;height:2px;background:var(--white);border-radius:2px;transition:.3s}
.nav.scrolled .nav-burger span{background:var(--slate-900)}
.mobile-menu{position:fixed;inset:0;background:var(--white);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;opacity:0;visibility:hidden;transition:all .35s var(--ease)}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu a{font-size:1.4rem;font-weight:600;color:var(--slate-800)}
.mobile-menu-close{position:absolute;top:20px;right:24px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.mobile-menu-close svg{width:24px;height:24px;color:var(--slate-800)}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:100px 24px 60px;position:relative;overflow:hidden;background:#0A2463}
.hero-bg{position:absolute;inset:0;background-image:url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=1920&q=90&auto=format&fit=crop');background-size:cover;background-position:center}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,36,99,.92) 0%,rgba(10,36,99,.75) 40%,rgba(18,70,184,.6) 100%);z-index:1}
.hero::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 900px 600px at 65% 25%,rgba(59,130,246,.2),transparent 60%),radial-gradient(ellipse 700px 500px at 15% 80%,rgba(37,99,235,.12),transparent 60%),linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:auto,auto,60px 60px,60px 60px;z-index:2;pointer-events:none}
.hero-content{position:relative;z-index:3;text-align:center;max-width:860px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:100px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);font-size:.82rem;color:rgba(255,255,255,.9);font-weight:500;margin-bottom:28px;animation:heroIn .8s .1s both}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.hero-title{font-size:3.5rem;font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.1;margin-bottom:22px;animation:heroIn .8s .25s both}
.hero-title .hl{background:linear-gradient(135deg,var(--blue-300),#7DD3FC);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1.2rem;color:rgba(255,255,255,.75);line-height:1.6;font-weight:400;max-width:640px;margin:0 auto 38px;animation:heroIn .8s .4s both}
.hero-cta{display:flex;gap:16px;justify-content:center;align-items:center;flex-wrap:wrap;margin-bottom:0;animation:heroIn .8s .55s both}
.btn-primary{padding:14px 32px;border-radius:10px;background:var(--blue-500);color:#fff;font-size:.98rem;font-weight:600;border:none;cursor:pointer;transition:all .25s var(--ease);font-family:var(--font);box-shadow:var(--shadow-blue)}
.btn-primary:hover{background:var(--blue-400);transform:translateY(-2px);box-shadow:var(--shadow-blue-lg)}
.btn-outline{padding:14px 28px;border-radius:10px;background:transparent;color:#fff;font-size:.98rem;font-weight:500;cursor:pointer;transition:all .25s var(--ease);border:1.5px solid rgba(255,255,255,.25);font-family:var(--font);display:inline-flex;align-items:center;gap:6px}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4)}
.btn-outline svg{width:16px;height:16px}
.hero-scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.45);font-size:.78rem;letter-spacing:.05em;cursor:pointer;transition:color .3s;animation:heroIn .8s .8s both}
.hero-scroll:hover{color:rgba(255,255,255,.8)}
.hero-scroll-line{width:1px;height:36px;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.5),rgba(255,255,255,.5));position:relative;overflow:hidden}
.hero-scroll-line::after{content:'';position:absolute;top:0;left:0;width:100%;height:50%;background:linear-gradient(to bottom,transparent,var(--blue-300));animation:scrollDot 2s var(--ease) infinite}
@keyframes scrollDot{0%{transform:translateY(-100%)}100%{transform:translateY(200%)}}
.hero-fade{position:absolute;bottom:0;left:0;right:0;height:80px;background:linear-gradient(to bottom,transparent,rgba(15,23,42,.4));z-index:2;pointer-events:none}
@keyframes heroIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* ===== Section Tech Accents (static, no animation) ===== */
.stats{background:var(--white);padding:64px 0;position:relative;z-index:5}
.stats::before{content:'';position:absolute;top:0;left:0;right:0;height:40px;background:linear-gradient(to bottom,rgba(15,23,42,.06),transparent);pointer-events:none}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--slate-200);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.stat{text-align:center;padding:40px 20px;border-right:1px solid var(--slate-200);position:relative;transition:background .3s}
.stat:last-child{border-right:none}
.stat:hover{background:var(--blue-50)}
.stat-num-wrap{display:flex;align-items:baseline;justify-content:center;gap:2px}
.stat-num{font-size:2.8rem;font-weight:800;letter-spacing:-.02em;line-height:1;color:var(--blue-600)}
.stat-suffix{font-size:1.4rem;font-weight:700;color:var(--blue-500)}
.stat-label{font-size:.9rem;color:var(--slate-500);margin-top:10px;font-weight:500}

/* ===== About ===== */
.about{padding:100px 0;background:var(--slate-50);position:relative}
.about-body{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:start;margin-top:48px}
.about-intro p{font-size:1.02rem;color:var(--slate-600);line-height:1.85;margin-bottom:18px}
.about-intro p strong{color:var(--slate-900);font-weight:700}
.about-mission{margin-top:28px;padding:28px 32px;background:linear-gradient(135deg,var(--blue-600),var(--blue-800));border-radius:var(--radius-lg);position:relative;overflow:hidden;box-shadow:var(--shadow-blue)}
.about-mission::before{content:'';position:absolute;top:-60px;right:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(59,130,246,.3),transparent 70%);pointer-events:none}
.about-mission p{font-size:1.08rem;color:#fff;font-weight:500;line-height:1.7;position:relative;z-index:1}
.about-info-card{background:var(--white);border:1px solid var(--slate-200);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.about-info-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--blue-600),var(--blue-400),var(--blue-300));z-index:1}
.about-info-card h3{font-size:1.15rem;font-weight:700;color:var(--slate-900);padding:30px 28px 18px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--slate-100);position:relative}
.about-info-card h3::before{content:'';width:4px;height:20px;border-radius:2px;background:var(--blue-500)}
.about-info-list{display:grid;grid-template-columns:1fr 1fr;gap:0;padding:8px 8px 16px}
.about-info-row{padding:18px 24px;border-right:1px solid var(--slate-100);border-bottom:1px solid var(--slate-100);transition:background .25s var(--ease)}
.about-info-row:nth-child(2n){border-right:none}
.about-info-row:nth-last-child(-n+2){border-bottom:none}
.about-info-row:hover{background:var(--blue-50)}
.about-info-label{font-size:.74rem;color:var(--slate-400);font-weight:500;margin-bottom:5px}
.about-info-value{font-size:1.02rem;color:var(--slate-900);font-weight:700;letter-spacing:-.01em}
.about-features{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px}
.about-feature{padding:28px 24px;border-radius:var(--radius-lg);background:var(--white);border:1px solid var(--slate-200);transition:all .35s var(--ease);position:relative;overflow:hidden;border-left:4px solid var(--blue-400)}
.about-feature:hover{border-color:var(--blue-200);border-left-color:var(--blue-600);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.about-feature-ico{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--blue-50),var(--blue-100));display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:all .35s var(--ease)}
.about-feature:hover .about-feature-ico{background:linear-gradient(135deg,var(--blue-500),var(--blue-700));transform:scale(1.05)}
.about-feature-ico svg{width:24px;height:24px;color:var(--blue-600);transition:color .35s}
.about-feature:hover .about-feature-ico svg{color:#fff}
.about-feature h4{font-size:1rem;font-weight:700;margin-bottom:6px;color:var(--slate-900);letter-spacing:-.01em}
.about-feature p{font-size:.85rem;color:var(--slate-500);line-height:1.55}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:48px;padding-top:32px;border-top:1px solid var(--slate-200)}
.about-tags-label{font-size:.82rem;color:var(--slate-400);font-weight:500;margin-right:8px;align-self:center}
.about-tag{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:100px;background:var(--white);border:1px solid var(--slate-200);font-size:.82rem;color:var(--slate-600);font-weight:500;transition:all .25s var(--ease)}
.about-tag:hover{background:var(--blue-50);border-color:var(--blue-300);color:var(--blue-600)}
.about-tag::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--blue-400)}

/* ===== Business — Left Nav + Right Detail ===== */
.business{padding:96px 0;background:var(--white)}
.biz-layout{display:grid;grid-template-columns:360px 1fr;gap:0;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--white);border:1px solid var(--slate-200)}
.biz-nav{background:linear-gradient(180deg,#0F172A 0%,#1E293B 100%);padding:0;display:flex;flex-direction:column;position:relative}
.biz-nav::before{content:'';position:absolute;top:0;left:0;right:0;height:200px;background:radial-gradient(ellipse at top,rgba(37,99,235,.25),transparent 70%);pointer-events:none}
.biz-nav-header{padding:32px 28px 24px;position:relative}
.biz-nav-header-eyebrow{font-size:.72rem;font-weight:700;color:var(--blue-400);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.biz-nav-header-title{font-size:1.3rem;font-weight:800;color:#fff;letter-spacing:-.01em}
.biz-nav-header-line{width:40px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--blue-500),var(--blue-300));margin-top:16px}
.biz-nav-list{padding:0 14px 20px;display:flex;flex-direction:column;gap:2px;position:relative}
.biz-nav-item{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:14px;cursor:pointer;transition:all .35s var(--ease);position:relative;overflow:hidden}
.biz-nav-item::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;border-radius:0 3px 3px 0;background:linear-gradient(180deg,var(--blue-400),var(--blue-600));transition:height .35s var(--ease)}
.biz-nav-item:hover{background:rgba(255,255,255,.06)}
.biz-nav-item.active{background:linear-gradient(135deg,rgba(37,99,235,.25),rgba(37,99,235,.08))}
.biz-nav-item.active::before{height:32px}
.biz-nav-num{font-size:.72rem;font-weight:800;color:rgba(148,163,184,.6);width:28px;flex-shrink:0;transition:all .3s;letter-spacing:.02em;font-family:var(--font)}
.biz-nav-item.active .biz-nav-num{color:var(--blue-400)}
.biz-nav-item:hover .biz-nav-num{color:var(--blue-300)}
.biz-nav-ico{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .35s var(--ease);border:1px solid rgba(255,255,255,.08)}
.biz-nav-item.active .biz-nav-ico{background:linear-gradient(135deg,var(--blue-500),var(--blue-600));border-color:transparent;box-shadow:0 4px 16px rgba(37,99,235,.4)}
.biz-nav-item:hover .biz-nav-ico{border-color:rgba(59,130,246,.3);background:rgba(59,130,246,.08)}
.biz-nav-ico svg{width:22px;height:22px;color:rgba(148,163,184,.7);transition:all .3s}
.biz-nav-item.active .biz-nav-ico svg{color:#fff}
.biz-nav-item:hover .biz-nav-ico svg{color:var(--blue-300)}
.biz-nav-text{flex:1;min-width:0}
.biz-nav-title{font-size:.98rem;font-weight:600;color:rgba(226,232,240,.85);transition:color .3s;line-height:1.3}
.biz-nav-item.active .biz-nav-title{color:#fff}
.biz-nav-item:hover:not(.active) .biz-nav-title{color:#fff}
.biz-nav-sub{font-size:.76rem;color:rgba(100,116,139,.7);margin-top:3px;transition:color .3s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.biz-nav-item.active .biz-nav-sub{color:rgba(147,197,253,.6)}
.biz-nav-arrow{opacity:0;transform:translateX(-8px);transition:all .35s var(--ease);flex-shrink:0}
.biz-nav-item.active .biz-nav-arrow{opacity:1;transform:translateX(0)}
.biz-nav-arrow svg{width:16px;height:16px;color:var(--blue-400)}
.biz-nav-footer{padding:20px 28px 28px;position:relative;border-top:1px solid rgba(255,255,255,.06);margin-top:auto}
.biz-nav-footer-text{font-size:.78rem;color:rgba(100,116,139,.6);line-height:1.6}
.biz-nav-footer-text strong{color:var(--blue-400);font-weight:700}
.biz-panel{position:relative;overflow:hidden;display:flex;flex-direction:column}
.biz-panel-content{display:none}
.biz-panel-content.active{display:grid;grid-template-columns:1fr 400px;flex:1;min-height:100%}
.biz-panel-content.active .biz-panel-info{animation:fadeUp .45s var(--ease-out)}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.biz-panel-info{padding:44px 40px;display:flex;flex-direction:column;justify-content:center}
.biz-panel-visual{position:relative;overflow:hidden;background-size:cover;background-position:center}
.biz-panel-visual::before{content:'';position:absolute;inset:0;background:linear-gradient(to right,var(--white) 0%,rgba(255,255,255,.5) 30%,transparent 100%)}
.biz-panel-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(160deg,rgba(37,99,235,.12),rgba(10,36,99,.08))}
.biz-panel-icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--blue-500),var(--blue-700));display:flex;align-items:center;justify-content:center;margin-bottom:24px;box-shadow:var(--shadow-blue);position:relative;z-index:1}
.biz-panel-icon svg{width:32px;height:32px;color:#fff}
.biz-panel-tagline{font-size:.78rem;font-weight:600;color:var(--blue-600);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
.biz-panel-info h3{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;color:var(--slate-900);margin-bottom:12px}
.biz-panel-info>p{font-size:.98rem;color:var(--slate-500);line-height:1.7;margin-bottom:24px}
.biz-panel-features{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}
.biz-panel-feature{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--slate-700);font-weight:500}
.biz-panel-feature svg{width:17px;height:17px;color:var(--blue-500);flex-shrink:0}
.biz-panel-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.biz-panel-tag{font-size:.76rem;padding:5px 13px;border-radius:8px;font-weight:500;background:var(--blue-50);color:var(--blue-700)}
.biz-panel-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:10px;background:var(--blue-600);color:#fff;font-size:.93rem;font-weight:600;cursor:pointer;transition:all .25s var(--ease);border:none;font-family:var(--font);align-self:flex-start;box-shadow:var(--shadow-blue)}
.biz-panel-cta:hover{background:var(--blue-700);transform:translateY(-2px);box-shadow:var(--shadow-blue-lg)}
.biz-panel-cta svg{width:16px;height:16px}

/* ===== Panorama — 运维全景图 (Table Flowchart — Light) ===== */
.panorama{padding:100px 0;background:linear-gradient(180deg,#FFFFFF 0%,#EFF6FF 100%);position:relative;overflow:hidden}
.panorama::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 900px 500px at 50% 0%,rgba(37,99,235,.06),transparent 60%);pointer-events:none}
.panorama .s-title{color:var(--slate-900)}
.panorama .s-sub{color:var(--slate-500)}
.panorama .eyebrow{color:var(--blue-600)}
.panorama .eyebrow::before{background:var(--blue-500)}
.pano-table{margin-top:48px;position:relative;z-index:1;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--slate-200);box-shadow:0 8px 32px rgba(15,23,42,.08)}
.pano-thead{display:grid;grid-template-columns:160px 180px 1fr 44px;background:var(--blue-50);border-bottom:1px solid var(--blue-100)}
.pano-th{padding:14px 20px;font-size:.72rem;font-weight:700;color:var(--blue-700);letter-spacing:.08em;text-transform:uppercase;display:flex;align-items:center}
.pano-th.center{justify-content:center}
.pano-row{display:grid;grid-template-columns:160px 180px 1fr 44px;align-items:stretch;position:relative;transition:background .3s var(--ease);background:var(--white)}
.pano-row+.pano-row{border-top:1px solid var(--slate-100)}
.pano-row:hover{background:var(--blue-50)}
.pano-layer-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px 12px;background:var(--slate-50);border-right:1px solid var(--slate-100);text-align:center;position:relative;transition:background .3s}
.pano-row:hover .pano-layer-cell{background:var(--blue-100)}
.pano-layer-icon{width:36px;height:36px;border-radius:10px;background:var(--blue-50);border:1px solid var(--blue-200);display:flex;align-items:center;justify-content:center;margin-bottom:8px;transition:all .3s}
.pano-row:hover .pano-layer-icon{background:linear-gradient(135deg,var(--blue-500),var(--blue-700));border-color:transparent}
.pano-layer-icon svg{width:18px;height:18px;color:var(--blue-500);transition:color .3s}
.pano-row:hover .pano-layer-icon svg{color:#fff}
.pano-layer-name{font-size:.86rem;font-weight:700;color:var(--slate-900);letter-spacing:.02em;line-height:1.2}
.pano-layer-en{font-size:.62rem;color:var(--slate-400);margin-top:3px;letter-spacing:.06em;text-transform:uppercase}
.pano-module-cell{display:flex;flex-direction:column;justify-content:center;gap:8px;padding:18px 20px;border-right:1px solid var(--slate-100)}
.pano-module-item{display:flex;align-items:center;gap:10px}
.pano-module-ico{width:30px;height:30px;border-radius:8px;background:var(--blue-50);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .3s}
.pano-row:hover .pano-module-ico{background:var(--blue-100)}
.pano-module-ico svg{width:15px;height:15px;color:var(--blue-500)}
.pano-module-name{font-size:.9rem;font-weight:600;color:var(--slate-700);white-space:nowrap}
.pano-items-cell{display:flex;align-items:center;flex-wrap:wrap;gap:6px;padding:18px 20px}
.pano-pill{display:inline-flex;align-items:center;padding:5px 13px;border-radius:100px;background:var(--slate-50);font-size:.76rem;color:var(--slate-600);font-weight:400;transition:all .2s var(--ease);border:1px solid var(--slate-200);white-space:nowrap}
.pano-pill:hover{background:var(--blue-50);color:var(--blue-700);border-color:var(--blue-200)}
.pano-flow-cell{display:flex;align-items:center;justify-content:center;border-left:1px solid var(--slate-100)}
.pano-flow-arrow{width:20px;height:20px;color:var(--slate-300);transition:color .3s}
.pano-row:hover .pano-flow-arrow{color:var(--blue-500)}
.pano-legend{display:flex;justify-content:center;gap:24px;margin-top:36px;flex-wrap:wrap;position:relative;z-index:1}
.pano-legend-item{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--slate-500);font-weight:500}
.pano-legend-dot{width:10px;height:10px;border-radius:3px;flex-shrink:0}
.pano-legend-dot.mgmt{background:#0891B2}
.pano-legend-dot.sec{background:#7C3AED}
.pano-legend-dot.app{background:#059669}
.pano-legend-dot.plat{background:#2563EB}
.pano-legend-dot.net{background:#D97706}
.pano-legend-dot.endpoint{background:#E11D48}
.pano-legend-dot.infra{background:#64748B}

/* ===== Solutions — Hover Accordion ===== */
.solutions{padding:96px 0;background:var(--slate-900);overflow:hidden;position:relative}
.solutions::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 800px 400px at 50% 0%,rgba(37,99,235,.15),transparent 60%);pointer-events:none}
.solutions .s-title{color:#fff}
.solutions .s-sub{color:rgba(255,255,255,.5)}
.solutions .eyebrow{color:var(--blue-400)}
.solutions .eyebrow::before{background:var(--blue-400)}
.accordion{display:flex;gap:12px;height:520px;margin-top:56px}
.acc-item{flex:1;min-width:64px;border-radius:var(--radius-lg);overflow:hidden;position:relative;cursor:pointer;transition:flex .7s var(--ease-out)}
.acc-item.active{flex:5}
.acc-img{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .7s var(--ease-out)}
.acc-item.active .acc-img{transform:scale(1.06)}
.acc-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,36,99,.92) 0%,rgba(10,36,99,.55) 45%,rgba(10,36,99,.2) 100%);transition:opacity .5s}
.acc-item:not(.active) .acc-overlay{opacity:.8}
.acc-num{position:absolute;top:24px;left:24px;font-size:.82rem;font-weight:700;color:rgba(255,255,255,.5);z-index:2;letter-spacing:.05em;font-family:var(--font)}
.acc-item.active .acc-num{color:var(--blue-300)}
.acc-label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);writing-mode:vertical-rl;font-size:1.05rem;font-weight:600;color:rgba(255,255,255,.65);z-index:2;letter-spacing:.12em;white-space:nowrap;transition:opacity .4s}
.acc-item.active .acc-label{opacity:0}
.acc-item:not(.active):hover .acc-label{color:#fff}
.acc-body{position:absolute;inset:0;padding:48px;display:flex;flex-direction:column;justify-content:flex-end;opacity:0;transform:translateX(24px);transition:opacity .5s .2s,transform .5s .2s;z-index:2}
.acc-item.active .acc-body{opacity:1;transform:translateX(0)}
.acc-body h3{font-size:1.7rem;font-weight:700;color:#fff;margin-bottom:14px;line-height:1.2;letter-spacing:-.02em}
.acc-body p{font-size:.95rem;color:rgba(255,255,255,.65);line-height:1.6;margin-bottom:22px;max-width:460px;font-weight:400}
.acc-tags{display:flex;flex-wrap:wrap;gap:8px}
.acc-tag{font-size:.78rem;padding:6px 14px;background:rgba(255,255,255,.12);border-radius:6px;color:rgba(255,255,255,.85);font-weight:500;border:1px solid rgba(255,255,255,.12)}

/* ===== Process — Refined Timeline Flow ===== */
.process{padding:110px 0 120px;background:var(--white);position:relative;overflow:hidden}
.process::before{content:'';position:absolute;top:0;left:0;right:0;height:100%;background:radial-gradient(ellipse 800px 400px at 50% 0%,rgba(37,99,235,.08),transparent 70%);pointer-events:none}
.process::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(37,99,235,.2),transparent);pointer-events:none}
.proc-header{text-align:center;margin-bottom:72px;position:relative}
.proc-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:100px;background:rgba(37,99,235,.08);color:var(--blue-700);font-size:.78rem;font-weight:600;letter-spacing:.04em;margin-bottom:20px}
.proc-eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--blue-500);box-shadow:0 0 8px var(--blue-500)}
.proc-title{font-size:2.5rem;font-weight:800;letter-spacing:-.02em;color:var(--slate-900);margin-bottom:16px;line-height:1.15}
.proc-title em{font-style:normal;background:linear-gradient(135deg,var(--blue-600),var(--blue-400));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.proc-sub{font-size:1.05rem;color:var(--slate-500);max-width:520px;margin:0 auto;line-height:1.6}
.proc-container{position:relative;margin-top:0}
.proc-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.proc-line-bg{position:absolute;top:64px;left:12.5%;right:12.5%;height:2px;background:repeating-linear-gradient(90deg,var(--slate-300) 0,var(--slate-300) 6px,transparent 6px,transparent 12px);z-index:0}
.proc-line-fill{position:absolute;top:64px;left:12.5%;height:3px;background:linear-gradient(90deg,var(--blue-600),var(--blue-400),var(--blue-300));border-radius:2px;z-index:1;width:0;box-shadow:0 0 12px rgba(37,99,235,.4);transition:width 1.6s var(--ease-out)}
.proc-line-fill.animated{width:75%}
.proc-step{position:relative;z-index:2;text-align:center;background:var(--white);border-radius:var(--radius-lg);padding:0 0 32px;border:1px solid var(--slate-200);transition:all .45s var(--ease-out);box-shadow:0 1px 3px rgba(15,23,42,.04);overflow:hidden;opacity:0;transform:translateY(20px)}
.proc-step.active{opacity:1;transform:translateY(0)}
.proc-step:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(37,99,235,.15);border-color:var(--blue-200)}
.proc-step::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--blue-500),var(--blue-300));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease-out)}
.proc-step.active::before{transform:scaleX(1)}
.proc-step:hover::before{transform:scaleX(1)}
.proc-node-wrap{position:relative;height:130px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--blue-50) 0%,var(--white) 100%);margin-bottom:24px;border-bottom:1px dashed var(--slate-200)}
.proc-node{width:96px;height:96px;border-radius:50%;background:var(--white);border:3px solid var(--slate-200);display:flex;align-items:center;justify-content:center;position:relative;transition:all .5s var(--ease-out);box-shadow:0 4px 12px rgba(15,23,42,.06)}
.proc-step.active .proc-node{border-color:var(--blue-500);background:linear-gradient(135deg,var(--blue-500),var(--blue-700));box-shadow:0 0 0 8px rgba(37,99,235,.12),0 8px 24px rgba(37,99,235,.3);transform:scale(1.08)}
.proc-step:hover .proc-node{border-color:var(--blue-400);transform:scale(1.05)}
.proc-node svg{width:36px;height:36px;color:var(--blue-500);transition:all .4s;position:absolute}
.proc-step.active .proc-node svg{color:#fff;opacity:0;transform:scale(.6)}
.proc-step.active .proc-node svg{opacity:0}
.proc-node-num{position:absolute;font-size:2rem;font-weight:800;color:var(--blue-500);transition:all .4s;letter-spacing:-.02em;opacity:0}
.proc-step.active .proc-node-num{color:#fff;opacity:1;transform:scale(1)}
.proc-node-dot{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--white);border:3px solid var(--slate-300);top:calc(100% - 7px);left:50%;transform:translateX(-50%);transition:all .4s;z-index:3}
.proc-step.active .proc-node-dot{background:var(--blue-500);border-color:var(--blue-300);box-shadow:0 0 0 4px rgba(37,99,235,.2)}
.proc-step h3{font-size:1.2rem;font-weight:700;margin-bottom:10px;color:var(--slate-900);letter-spacing:-.01em;padding:0 16px}
.proc-step-desc{font-size:.86rem;color:var(--slate-500);line-height:1.6;padding:0 20px;margin-bottom:18px}
.proc-step-items{display:flex;flex-direction:column;gap:8px;padding:0 20px}
.proc-step-items li{font-size:.82rem;color:var(--slate-600);display:flex;align-items:center;gap:8px;font-weight:500;text-align:left}
.proc-step-items li::before{content:'✓';width:18px;height:18px;border-radius:50%;background:rgba(37,99,235,.1);color:var(--blue-600);font-size:.7rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:700}
.proc-step.active .proc-step-items li::before{background:var(--blue-500);color:#fff}
.proc-arrow{display:none}
.proc-cta{margin-top:48px;text-align:center}
.proc-cta-text{font-size:.92rem;color:var(--slate-500);margin-bottom:16px}
.proc-cta-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:10px;background:linear-gradient(135deg,var(--blue-600),var(--blue-700));color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s var(--ease);box-shadow:0 4px 16px rgba(37,99,235,.3);border:none;font-family:var(--font)}
.proc-cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.4)}
.proc-cta-btn svg{width:16px;height:16px}

/* ===== Cases ===== */
.cases{padding:96px 0;background:var(--slate-50)}
.products{padding:96px 0;background:var(--white)}
.cases-filter{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.cases-filter button{padding:9px 20px;border-radius:8px;border:1.5px solid var(--slate-200);background:var(--white);font-size:.88rem;font-weight:500;color:var(--slate-600);cursor:pointer;transition:all .25s var(--ease);font-family:var(--font)}
.cases-filter button.active{background:var(--blue-600);color:#fff;border-color:var(--blue-600);box-shadow:var(--shadow-blue)}
.cases-filter button:hover:not(.active){border-color:var(--blue-300);color:var(--blue-600)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{border-radius:var(--radius-lg);overflow:hidden;background:var(--white);cursor:pointer;transition:all .4s var(--ease-out);border:1px solid var(--slate-200);box-shadow:var(--shadow-sm)}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-img{height:180px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.case-img-content{position:relative;z-index:1;color:#fff;text-align:center;padding:20px}
.case-img-content h4{font-size:1.3rem;font-weight:700;margin-bottom:4px;letter-spacing:-.01em}
.case-img-content p{font-size:.85rem;opacity:.85;font-weight:400}
.case-body{padding:24px}
.case-tag{display:inline-block;font-size:.75rem;padding:4px 12px;border-radius:6px;background:var(--blue-50);color:var(--blue-700);font-weight:600;margin-bottom:12px}
.case-body h3{font-size:1.02rem;font-weight:700;margin-bottom:8px;color:var(--slate-900);letter-spacing:-.01em;line-height:1.4}
.case-body p{font-size:.88rem;color:var(--slate-500);line-height:1.5}

.cta-banner-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;background:linear-gradient(135deg,var(--blue-900),var(--blue-700));border-radius:var(--radius-xl);padding:56px;color:#fff;box-shadow:var(--shadow-lg)}

/* ===== Contact ===== */
.contact{padding:96px 0;background:linear-gradient(160deg,var(--blue-900),var(--blue-800));overflow:hidden;position:relative}
.contact::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 600px 400px at 80% 20%,rgba(59,130,246,.2),transparent 60%);pointer-events:none}
.contact .s-title{color:#fff}
.contact .s-sub{color:rgba(255,255,255,.55)}
.contact .eyebrow{color:var(--blue-300)}
.contact .eyebrow::before{background:var(--blue-300)}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:start;margin-top:48px;position:relative;z-index:1}
.contact-info h3{font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:-.02em}
.contact-info>p{color:rgba(255,255,255,.5);line-height:1.6;margin-bottom:36px;font-size:.95rem}
.ci-list{display:grid;gap:20px}
.ci-item{display:flex;gap:16px;align-items:flex-start}
.ci-ico{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;flex-shrink:0;border:1px solid rgba(255,255,255,.1)}
.ci-ico svg{width:20px;height:20px;color:var(--blue-300)}
.ci-item h4{font-size:.78rem;color:rgba(255,255,255,.4);font-weight:500;margin-bottom:3px;text-transform:uppercase;letter-spacing:.03em}
.ci-item p{color:rgba(255,255,255,.9);font-size:1rem;font-weight:500;margin:0}
.contact-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-xl);padding:40px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.82rem;color:rgba(255,255,255,.6);margin-bottom:8px;font-weight:500}
.form-group label .req{color:var(--blue-300)}
.form-control{width:100%;padding:13px 16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;color:#fff;font-size:.95rem;font-family:var(--font);transition:all .25s}
.form-control::placeholder{color:rgba(255,255,255,.3)}
.form-control:focus{outline:none;border-color:var(--blue-400);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.form-control option{background:var(--blue-900);color:#fff}
textarea.form-control{min-height:110px;resize:vertical}
.form-submit{width:100%;padding:15px;background:var(--blue-500);color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .25s var(--ease);font-family:var(--font)}
.form-submit:hover{background:var(--blue-400);transform:translateY(-1px)}
.form-submit:disabled{opacity:.65;cursor:not-allowed;transform:none}
.form-submit.loading{background:var(--blue-600);opacity:.85}
.form-msg{margin-top:16px;padding:13px 16px;border-radius:10px;font-size:.9rem;display:none;align-items:center;gap:8px;font-weight:500}
.form-msg.show{display:flex}
.form-msg.success{background:rgba(22,163,74,.15);color:#4ADE80;border:1px solid rgba(22,163,74,.3)}
.form-msg.error{background:rgba(220,38,38,.15);color:#F87171;border:1px solid rgba(220,38,38,.3)}
.form-msg.loading{background:rgba(59,130,246,.15);color:var(--blue-300);border:1px solid rgba(59,130,246,.3)}

/* ===== Footer ===== */
.footer{background:linear-gradient(180deg,#0A0F1E 0%,#0F172A 50%,#0A0F1E 100%);color:rgba(255,255,255,.5);padding:80px 0 0;position:relative;overflow:hidden}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--blue-500),transparent)}
.footer::after{content:'';position:absolute;top:0;left:0;right:0;height:300px;background:radial-gradient(ellipse 800px 300px at 20% 0%,rgba(37,99,235,.12),transparent 70%);pointer-events:none}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.4fr;gap:56px;padding-bottom:56px;position:relative;z-index:1}
.footer-brand{padding-right:24px}
.footer-logo{height:52px;width:auto;display:block;margin-bottom:24px}
.footer-logo-placeholder{display:inline-flex;align-items:center;justify-content:center;height:60px;min-width:200px;padding:0 24px;margin-bottom:24px;background:rgba(255,255,255,.06);border:2px dashed rgba(255,255,255,.18);border-radius:10px;position:relative}
.footer-logo-placeholder::before{content:'白色蒙版 LOGO';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:rgba(255,255,255,.4);font-size:.82rem;letter-spacing:.05em;white-space:nowrap}
.footer-logo-placeholder::after{content:'待替换';position:absolute;bottom:-22px;left:0;color:rgba(255,255,255,.3);font-size:.7rem;letter-spacing:.03em}
.footer-brand-desc{font-size:.92rem;line-height:1.75;color:rgba(255,255,255,.55);max-width:380px;margin-bottom:24px}
.footer-brand-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px;padding:20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:12px}
.footer-brand-stat .num{font-size:1.4rem;font-weight:800;color:#fff;letter-spacing:-.02em;margin-bottom:2px;background:linear-gradient(135deg,#fff,var(--blue-300));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-brand-stat .label{font-size:.75rem;color:rgba(255,255,255,.45);letter-spacing:.02em}
.footer-social{display:flex;gap:10px;margin-bottom:24px}
.footer-social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .25s var(--ease)}
.footer-social a:hover{background:var(--blue-600);border-color:var(--blue-500);transform:translateY(-2px);box-shadow:0 4px 12px rgba(37,99,235,.3)}
.footer-social svg{width:16px;height:16px;color:rgba(255,255,255,.7)}
.footer-social a:hover svg{color:#fff}
.footer-contact-list{display:grid;gap:14px}
.footer-contact-item{font-size:.88rem;display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.65)}
.footer-contact-item .ico{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,rgba(37,99,235,.18),rgba(37,99,235,.08));display:flex;align-items:center;justify-content:center;flex-shrink:0;border:1px solid rgba(37,99,235,.2)}
.footer-contact-item .ico svg{width:16px;height:16px;color:var(--blue-300)}
.footer-contact-item .info{flex:1;min-width:0}
.footer-contact-item .info-label{font-size:.72rem;color:rgba(255,255,255,.4);letter-spacing:.03em;margin-bottom:2px;text-transform:uppercase}
.footer-contact-item .info-value{color:#fff;font-size:.92rem;font-weight:500}
.footer h4{color:rgba(255,255,255,.95);font-size:1rem;font-weight:700;margin-bottom:22px;letter-spacing:-.01em;position:relative;padding-bottom:12px}
.footer h4::after{content:'';position:absolute;bottom:0;left:0;width:24px;height:2px;background:linear-gradient(90deg,var(--blue-500),var(--blue-300));border-radius:1px}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:.88rem;color:rgba(255,255,255,.5);cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.footer-links a::before{content:'→';opacity:0;transform:translateX(-4px);transition:all .2s;color:var(--blue-400)}
.footer-links a:hover{color:var(--blue-300);padding-left:4px}
.footer-links a:hover::before{opacity:1;transform:translateX(0)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:rgba(255,255,255,.3);position:relative;z-index:1;flex-wrap:wrap;gap:12px}
.footer-filing{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer-filing-item{display:inline-flex;align-items:center;gap:5px;color:rgba(255,255,255,.35);transition:color .25s;cursor:pointer}
.footer-filing-item:hover{color:var(--blue-300)}
.footer-filing-item svg{width:14px;height:14px;flex-shrink:0}

/* ===== Back to Top ===== */
.back-top{position:fixed;bottom:28px;right:28px;width:48px;height:48px;border-radius:12px;background:var(--blue-600);box-shadow:var(--shadow-blue);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:999}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px);background:var(--blue-500)}
.back-top svg{width:22px;height:22px;color:#fff}

/* ===== Responsive ===== */
@media(max-width:968px){
  .hero-title{font-size:2.4rem}.hero-sub{font-size:1.05rem}
  .hero{min-height:90vh;padding:90px 24px 60px}
  .hero-scroll{display:none}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .pano-legend{gap:16px}
  .biz-layout{grid-template-columns:1fr}
  .biz-nav{flex-direction:column;max-height:none}
  .biz-nav-header{padding:20px 20px 16px}
  .biz-nav-list{flex-direction:row;overflow-x:auto;padding:0 12px 12px;-webkit-overflow-scrolling:touch}
  .biz-nav-item{flex-shrink:0;min-width:140px;padding:12px}
  .biz-nav-sub{display:none}
  .biz-nav-footer{display:none}
  .cases-grid{grid-template-columns:repeat(2,1fr)}
  .proc-steps{grid-template-columns:repeat(2,1fr);gap:20px}
  .pano-table{font-size:.9rem}
  .pano-thead{display:none}
  .pano-row{grid-template-columns:120px 1fr;gap:0}
  .pano-module-cell{display:none}
  .pano-flow-cell{display:none}
  .pano-items-cell{border-left:1px solid rgba(255,255,255,.06)}
  .proc-line-bg,.proc-line-fill,.proc-arrow{display:none}
  .proc-node-wrap{height:120px}
  .proc-node{width:88px;height:88px}
  .proc-step{padding-bottom:28px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--slate-200)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .wrap-xwide{padding:0 24px}
  .nav-links{display:none}.nav-burger{display:flex}
  .accordion{height:440px}.acc-body{padding:36px}.acc-body h3{font-size:1.3rem}
  .s-title{font-size:1.8rem}
  .about-features{grid-template-columns:repeat(2,1fr)}
  .about-body{grid-template-columns:1fr;gap:40px}
}
@media(max-width:640px){
  .hero-title{font-size:1.85rem}.hero-sub{font-size:.98rem}
  .hero{min-height:88vh;padding:90px 20px 50px}
  .hero-cta{flex-direction:column;gap:12px;width:100%}
  .hero-cta .btn-primary,.hero-cta .btn-outline{width:100%;justify-content:center}
  .hero-fade{height:60px}
  .s-title{font-size:1.5rem}
  .cases-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:none!important;border-bottom:1px solid var(--slate-200)}
  .stat:last-child{border-bottom:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:10px;text-align:center}
  .footer-filing{justify-content:center}
  .form-row{grid-template-columns:1fr}
  .about-features{grid-template-columns:1fr}
  .about-info-list{grid-template-columns:1fr}
  .about-info-row{border-right:none!important}
  .about-info-row:last-child{border-bottom:none}
  .about-mission p{font-size:.98rem}
  .contact-form{padding:28px}
  .accordion{height:auto;flex-direction:column;gap:12px}
  .acc-item{min-width:auto;min-height:120px}
  .acc-item.active{min-height:360px}
  .acc-label{writing-mode:horizontal-tb;transform:translate(-50%,-50%)}
  .acc-body{padding:24px}
  .nav-cta{display:none}.hero-cta{gap:12px}
  .proc-step{flex:1 1 100%}
  .biz-panel-content.active{grid-template-columns:1fr}
  .biz-panel-visual{display:none}
  .biz-panel-info{padding:28px}
  .biz-panel-features{grid-template-columns:1fr}
  .biz-panel-info h3{font-size:1.4rem}
  .biz-panel-icon{width:56px;height:56px;margin-bottom:18px}
  .biz-panel-icon svg{width:28px;height:28px}
  .hero-badge{font-size:.75rem}
}

/* ===== Partners Logo Wall (3D Perspective Scroll) ===== */
.partners{padding:80px 0 96px;background:var(--slate-50);overflow:hidden}
.logoBox{width:100%;height:320px;perspective:600px;overflow:hidden;display:flex;justify-content:center}
.logoBoxContent{width:80%;height:400px;overflow:hidden;position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;transform:rotateX(45deg)}
.logoBoxContent-list{width:100%;animation:logoScroll 12s linear infinite;transform-style:preserve-3d;display:grid;grid-template-columns:repeat(5,1fr);gap:25px;position:absolute;left:0}
.logoBoxContent .logo-item{height:100px;width:100%;background:var(--white);margin-bottom:10px;text-align:center;line-height:100px;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:5px 10px 30px 0px rgba(78,91,152,.1);transition:all .3s ease}
.logoBoxContent .logo-item:hover{transform:translateZ(15px);box-shadow:5px 10px 30px 0px rgba(37,99,235,.2);background:var(--blue-50)}
.logoBoxContent .logo-item img{max-width:80%;max-height:70px;object-fit:contain;opacity:.7;transition:opacity .3s}
.logoBoxContent .logo-item:hover img{opacity:1}
@keyframes logoScroll{0%{top:0}100%{top:-50%}}
@media(max-width:968px){
  .logoBoxContent{width:90%}
  .logoBoxContent-list{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:640px){
  .logoBox{height:240px}
  .logoBoxContent{width:95%;height:300px;transform:rotateX(40deg)}
  .logoBoxContent-list{grid-template-columns:repeat(3,1fr);gap:16px}
  .logoBoxContent .logo-item{height:80px;line-height:80px}
  .logoBoxContent .logo-item img{max-height:55px}
}