:root{
  --blue:#2563eb;--purple:#7c3aed;--cyan:#06b6d4;
  --dark:#0a0f1e;--dark2:#131b34;--dark3:#1a2240;
  --text:#1a1a2e;--text2:#4a5568;--muted:#9ca3af;
  --bg:#ffffff;--bg2:#f8fafc;--border:#e5e7eb;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

/* ===== NAV ===== */
.nav-wrap{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,0.05);transition:box-shadow .3s}
.nav-wrap.scrolled{box-shadow:0 1px 16px rgba(0,0,0,0.07)}
.nav{max-width:1280px;margin:0 auto;height:68px;display:flex;align-items:center;padding:0 40px}
.logo{display:flex;align-items:center;gap:10px;cursor:pointer;margin-right:48px;flex-shrink:0}
.logo-icon{width:40px;height:40px;border-radius:10px;object-fit:cover;flex-shrink:0;box-shadow:0 4px 12px rgba(37,99,235,0.2)}
.logo-text{font-size:20px;font-weight:700;color:var(--text);letter-spacing:.5px}
.logo-text span{color:var(--blue)}
.nav-items{display:flex;align-items:center;gap:2px;flex:1}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:4px;padding:8px 16px;font-size:15px;color:var(--text2);border-radius:8px;cursor:pointer;transition:all .2s;font-weight:500;white-space:nowrap}
.nav-link:hover{color:var(--blue);background:rgba(37,99,235,0.06)}
.nav-link.active{color:var(--blue);font-weight:600}
.nav-link.active::after{content:'';position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);width:24px;height:3px;background:linear-gradient(90deg,var(--blue),var(--purple));border-radius:2px}
.nav-arrow{font-size:9px;transition:transform .25s;margin-top:1px;opacity:.6}
.nav-item:hover .nav-arrow{transform:rotate(180deg);opacity:1}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(-12px);margin-top:10px;background:#fff;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,0.12),0 8px 20px rgba(0,0,0,0.06);border:1px solid rgba(0,0,0,0.04);width:620px;padding:0;opacity:0;visibility:hidden;transition:all .3s cubic-bezier(0.4,0,0.2,1);display:flex;overflow:hidden}
.dropdown::before{content:'';position:absolute;top:-12px;left:0;right:0;height:12px}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown-left{width:50%;padding:28px;border-right:1px solid #f0f2f5}
.dropdown-header{font-size:13px;color:var(--muted);margin-bottom:20px;font-weight:500;letter-spacing:.5px}
.product-list{display:flex;flex-direction:column;gap:18px}
.product-item{display:flex;align-items:flex-start;gap:14px;color:var(--text);padding:4px 0;border-radius:8px;transition:all .2s}
.product-item:hover .product-title{color:var(--blue)}
.product-item:hover .product-icon{background:#eff6ff}
.product-icon{width:40px;height:40px;border-radius:10px;background:#f8fafc;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s}
.product-icon svg{width:22px;height:22px;stroke:var(--blue);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.product-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px;transition:color .2s}
.product-subtitle{font-size:13px;color:var(--muted);line-height:1.5}
.dropdown-right{width:50%;padding:28px;background:#f8fafc}
.video-section{margin-bottom:26px}
.video-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:14px}
.video-thumb{width:100%;aspect-ratio:16/9;background:linear-gradient(135deg,#3b82f6,#7c3aed);border-radius:12px;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;overflow:hidden;transition:transform .25s,box-shadow .25s}
.video-thumb:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(59,130,246,0.3)}
.video-thumb::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,0.2),transparent 60%)}
.video-thumb::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,0.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.08) 1px,transparent 1px);background-size:24px 24px}
.play-btn{width:48px;height:48px;background:rgba(255,255,255,0.95);border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;z-index:2;box-shadow:0 4px 16px rgba(0,0,0,0.15);transition:transform .2s}
.video-thumb:hover .play-btn{transform:scale(1.08)}
.play-btn svg{width:16px;height:16px;fill:#3b82f6;margin-left:2px}
.video-badge{position:absolute;top:10px;right:12px;background:rgba(0,0,0,0.35);color:#fff;font-size:11px;padding:3px 8px;border-radius:4px;z-index:2}
.video-label{position:absolute;bottom:10px;left:12px;color:#fff;font-size:12px;z-index:2;text-shadow:0 1px 2px rgba(0,0,0,0.2)}
.article-link{display:flex;align-items:center;gap:12px;padding:10px;border-radius:10px;transition:background .2s}
.article-link:hover{background:#fff}
.article-icon{width:40px;height:40px;background:#eff6ff;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.article-icon svg{width:20px;height:20px;stroke:var(--blue);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.article-content{flex:1;min-width:0}
.article-title{font-size:14px;color:var(--text);font-weight:500;line-height:1.4;margin-bottom:3px}
.article-meta{font-size:12px;color:var(--muted)}
.nav-right{display:flex;align-items:center;flex-shrink:0}
.nav-cta{padding:10px 26px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;border:none;border-radius:9px;font-size:14px;font-weight:600;cursor:pointer;transition:all .25s;box-shadow:0 4px 14px rgba(37,99,235,0.28);display:inline-block}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(37,99,235,0.38)}
.nav-phone{display:flex;align-items:center;gap:6px;margin-right:16px;font-size:15px;font-weight:700;color:var(--text);transition:color .2s;white-space:nowrap;cursor:pointer}
.nav-phone svg{width:18px;height:18px;stroke:var(--blue);stroke-width:2;fill:none}
.nav-phone:hover{color:var(--blue)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.mobile-toggle span{width:22px;height:2px;background:#333;border-radius:2px;transition:all .3s}

/* ===== HERO ===== */
.hero{background:#f8f9ff;padding:120px 40px 80px;position:relative;overflow:hidden}
.hero-glow1{position:absolute;top:-120px;right:8%;width:550px;height:550px;background:radial-gradient(circle,rgba(37,84,254,0.07),transparent 70%);border-radius:50%;pointer-events:none}
.hero-glow2{position:absolute;bottom:-180px;left:-80px;width:450px;height:450px;background:radial-gradient(circle,rgba(31,255,225,0.05),transparent 70%);border-radius:50%;pointer-events:none}
.hero-inner{max-width:1280px;margin:0 auto;position:relative;z-index:1;display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.hero-left{position:relative}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:44px;font-weight:800;color:#1a2035;line-height:1.35;margin-bottom:20px;letter-spacing:1px}
.hero h1 .grad{color:#2554fe}
.hero p.hero-sub{font-size:16px;color:#3a4057;line-height:1.9;margin-bottom:32px;max-width:560px}
.hero-btns{display:flex;gap:16px;margin-bottom:40px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:13px 34px;background:linear-gradient(121.1deg,#2554fe,#1fffe1);color:#fff;border-radius:10px;font-size:15px;font-weight:600;transition:all .25s;box-shadow:0 8px 24px rgba(37,84,254,0.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(37,84,254,0.35)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:13px 34px;background:#fff;color:#1a2035;border:1px solid #e5e7eb;border-radius:10px;font-size:15px;font-weight:600;transition:all .25s;box-shadow:0 2px 8px rgba(0,0,0,0.04)}
.btn-secondary:hover{border-color:#2554fe;color:#2554fe;box-shadow:0 4px 12px rgba(37,84,254,0.1)}

/* ===== HERO VISUAL ===== */
.hero-visual{position:relative}
.monitor{background:#fff;border:1px solid #e8ecf4;border-radius:20px;padding:24px;box-shadow:0 20px 60px rgba(37,84,254,0.1),0 4px 12px rgba(0,0,0,0.04);position:relative;overflow:hidden}
.monitor::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#2554fe,#1fffe1)}
.monitor-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.monitor-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#1a2035}
.monitor-title svg{width:16px;height:16px;stroke:#2554fe;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.monitor-live{display:flex;align-items:center;gap:5px;font-size:11px;color:#2554fe;font-weight:600}
.monitor-live .dot{width:6px;height:6px;background:#2554fe;border-radius:50%;animation:pulse 1.5s infinite}
.gauge-main{position:relative;width:200px;height:120px;margin:0 auto 4px}
.gauge-svg{width:200px;height:120px;display:block}
.gauge-bg-arc{fill:none;stroke:#eef1f8;stroke-width:14;stroke-linecap:round}
.gauge-fg-arc{fill:none;stroke-width:14;stroke-linecap:round;stroke-dasharray:264;stroke-dashoffset:264;animation:gaugeFill 1.6s cubic-bezier(0.4,0,0.2,1) .2s forwards}
@keyframes gaugeFill{to{stroke-dashoffset:21}}
.gauge-center{position:absolute;bottom:0;left:50%;transform:translateX(-50%);text-align:center}
.gauge-score{font-size:42px;font-weight:800;color:#1a2035;line-height:1}
.gauge-score .gs-unit{font-size:16px;color:#5c5e66;font-weight:600}
.gauge-label{font-size:11px;color:#5c5e66;margin-top:4px}
.ring-row{display:flex;justify-content:space-around;margin:12px 0 16px;padding:14px 0;border-top:1px solid #f0f1f4;border-bottom:1px solid #f0f1f4}
.ring-item{display:flex;flex-direction:column;align-items:center;gap:6px}
.ring-wrap{position:relative;width:56px;height:56px}
.ring-svg{width:56px;height:56px;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:#eef1f8;stroke-width:6}
.ring-fg{fill:none;stroke-width:6;stroke-linecap:round;stroke-dasharray:157;stroke-dashoffset:157;animation:ringFill 1.4s cubic-bezier(0.4,0,0.2,1) .5s forwards}
@keyframes ringFill{to{stroke-dashoffset:var(--off)}}
.ring-num{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#1a2035}
.ring-name{font-size:10px;color:#5c5e66;font-weight:600}
.kw-cloud{display:flex;flex-wrap:wrap;gap:7px;justify-content:center}
.kw-tag{padding:5px 12px;border-radius:20px;font-size:11px;font-weight:600;transition:all .25s;animation:tagFloat 3s ease-in-out infinite}
.kw-tag.t1{background:linear-gradient(135deg,#eff6ff,#dbeafe);color:#2554fe}
.kw-tag.t2{background:linear-gradient(135deg,#f3e8ff,#ede9fe);color:#7c3aed}
.kw-tag.t3{background:linear-gradient(135deg,#ecfeff,#cffafe);color:#06b6d4}
.kw-tag.t4{background:linear-gradient(135deg,#ecfdf5,#d1fae5);color:#10b981}
.kw-tag:nth-child(2){animation-delay:.5s}
.kw-tag:nth-child(3){animation-delay:1s}
.kw-tag:nth-child(4){animation-delay:1.5s}
.kw-tag:nth-child(5){animation-delay:.3s}
.kw-tag:nth-child(6){animation-delay:1.2s}
@keyframes tagFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.float-card{position:absolute;background:#fff;border:1px solid #e8ecf4;border-radius:14px;padding:11px 16px;box-shadow:0 10px 30px rgba(37,84,254,0.12);animation:floatY 3s ease-in-out infinite}
.float-card.fc1{top:-18px;right:-12px;animation-delay:0s}
.float-card.fc2{bottom:50px;left:-20px;animation-delay:1s}
.float-card .fc-label{font-size:10px;color:#5c5e66;margin-bottom:3px}
.float-card .fc-value{font-size:18px;font-weight:800;color:#1a2035}
.float-card .fc-value.green{color:#10b981}
.float-card .fc-value.blue{color:#2554fe}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ===== SECTION COMMON ===== */
.section{padding:80px 40px}
.section-inner{max-width:1280px;margin:0 auto}
.section-light{background:#fff}
.section-gray{background:var(--bg2)}
.section-title{text-align:center;margin-bottom:12px}
.section-title .eyebrow{display:inline-block;font-size:14px;color:var(--blue);font-weight:600;margin-bottom:12px;letter-spacing:1px}
.section-title h2{font-size:36px;font-weight:800;color:var(--text);letter-spacing:.5px}
.section-title h2 .grad{background:linear-gradient(135deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section-desc{text-align:center;font-size:16px;color:var(--muted);margin-bottom:56px;max-width:600px;margin-left:auto;margin-right:auto;line-height:1.8}

/* ===== 四大搜索引擎平台 ===== */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.platform-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:32px 24px;transition:all .3s;position:relative;overflow:hidden}
.platform-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--purple));transform:scaleX(0);transition:transform .3s;transform-origin:left}
.platform-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,0.08);border-color:transparent}
.platform-card:hover::before{transform:scaleX(1)}
.platform-logo{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:24px;font-weight:800;color:#fff}
.platform-logo.baidu{background:linear-gradient(135deg,#2b5bff,#2932e1)}
.platform-logo.qihu{background:linear-gradient(135deg,#00c874,#00a050)}
.platform-logo.sogou{background:linear-gradient(135deg,#ff6e1a,#ff8f3f)}
.platform-logo.shenma{background:linear-gradient(135deg,#5b4fff,#8068ff)}
.platform-card h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:8px}
.platform-card .platform-en{font-size:12px;color:var(--muted);margin-bottom:14px;letter-spacing:.5px}
.platform-card p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:16px}
.platform-tags{display:flex;flex-wrap:wrap;gap:6px}
.platform-tag{font-size:11px;color:var(--blue);background:#eff6ff;padding:3px 8px;border-radius:5px;font-weight:500}

/* ===== 精细化运营全景图 ===== */
.pano-wrap{display:grid;grid-template-columns:320px 1fr;gap:32px;align-items:start}
.pano-tabs{display:flex;flex-direction:column;gap:10px}
.pano-tab{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:14px;background:#fff;border:1px solid var(--border);cursor:pointer;transition:all .3s cubic-bezier(0.4,0,0.2,1);position:relative}
.pano-tab:hover{border-color:var(--blue);transform:translateX(4px)}
.pano-tab.active{background:linear-gradient(135deg,var(--blue),var(--purple));border-color:transparent;box-shadow:0 8px 24px rgba(37,99,235,0.25)}
.pano-tab-num{font-size:22px;font-weight:800;color:#e5e7eb;flex-shrink:0;transition:color .3s}
.pano-tab.active .pano-tab-num{color:rgba(255,255,255,0.5)}
.pano-tab-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:#f8f9ff;transition:all .3s}
.pano-tab.active .pano-tab-icon{background:rgba(255,255,255,0.2)}
.pano-tab-icon svg{width:20px;height:20px;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s}
.pano-tab:not(.active) .pano-tab-icon svg{stroke:var(--blue)}
.pano-tab.active .pano-tab-icon svg{stroke:#fff}
.pano-tab-title{font-size:16px;font-weight:700;color:var(--text);transition:color .3s;white-space:nowrap}
.pano-tab.active .pano-tab-title{color:#fff}
.pano-content{min-height:420px}
.pano-panel{display:none}
.pano-panel.active{display:block;animation:fadeInPano .4s ease}
@keyframes fadeInPano{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.pano-panel-inner{background:#fff;border:1px solid var(--border);border-radius:20px;padding:36px;box-shadow:0 4px 20px rgba(0,0,0,0.06)}
.pano-panel-head{display:flex;align-items:center;gap:18px;margin-bottom:22px}
.pano-panel-icon{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pano-panel-icon svg{width:32px;height:32px;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.pano-panel-title{font-size:24px;font-weight:800;color:var(--text)}
.pano-panel-desc{font-size:15px;color:var(--text2);line-height:1.8;margin-bottom:24px;padding:16px 18px;background:#f8fafc;border-radius:12px;border-left:3px solid var(--blue)}
.pano-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}
.pano-feature{display:flex;gap:12px;padding:14px;border-radius:12px;background:#f5f7fa;border:1px solid #f0f1f4;transition:all .3s}
.pano-feature:hover{background:#fff;box-shadow:0 4px 16px rgba(0,0,0,0.06);transform:translateY(-2px)}
.pano-feature-icon{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pano-feature-icon svg{width:17px;height:17px;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.pano-feature-text h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:3px}
.pano-feature-text p{font-size:12px;color:var(--muted);line-height:1.5}
.pano-panel-tags{display:flex;flex-wrap:wrap;gap:8px}
.pano-ptag{font-size:12px;padding:5px 12px;border-radius:7px;font-weight:500}
@media(max-width:900px){.pano-wrap{grid-template-columns:1fr}.pano-tabs{flex-direction:row;flex-wrap:wrap;gap:8px}.pano-tab{flex:1 1 auto;padding:12px 16px}.pano-tab-num{display:none}.pano-features{grid-template-columns:1fr}}
@media(max-width:640px){.pano-panel-inner{padding:24px 20px}.pano-panel-head{gap:12px}.pano-panel-icon{width:52px;height:52px}.pano-panel-icon svg{width:26px;height:26px}.pano-panel-title{font-size:20px}}

/* ===== 核心价值 ===== */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.value-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:32px 24px;text-align:center;transition:all .3s}
.value-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,0.08);border-color:transparent}
.value-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,#eff6ff,#f3e8ff);display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.value-icon svg{width:28px;height:28px;stroke:var(--blue);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.value-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:10px}
.value-card p{font-size:14px;color:var(--muted);line-height:1.7}

/* ===== 服务流程 ===== */
.process-flow{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;position:relative}
.process-flow::before{content:'';position:absolute;top:32px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,var(--blue),var(--purple),var(--cyan));opacity:.2;z-index:0}
.process-step{flex:1;text-align:center;position:relative;z-index:1}
.process-num{width:64px;height:64px;border-radius:50%;background:#fff;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:24px;font-weight:800;color:var(--blue);transition:all .3s;box-shadow:0 4px 16px rgba(0,0,0,0.05)}
.process-step:hover .process-num{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;border-color:transparent;transform:translateY(-4px);box-shadow:0 8px 24px rgba(37,99,235,0.25)}
.process-step h4{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px}
.process-step p{font-size:13px;color:var(--muted);line-height:1.6;padding:0 8px}

/* ===== 核心优势 (左侧标签+右侧详情) ===== */
.adv-wrap{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:start}
.adv-side{display:flex;flex-direction:column;gap:10px}
.adv-side-item{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:14px;background:#fff;border:1px solid var(--border);cursor:pointer;transition:all .3s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden}
.adv-side-item::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background .3s}
.adv-side-item:hover{border-color:rgba(37,99,235,0.3);transform:translateX(4px);box-shadow:0 6px 20px rgba(37,99,235,0.08)}
.adv-side-item.active{background:linear-gradient(135deg,var(--blue),var(--purple));border-color:transparent;color:#fff;box-shadow:0 8px 24px rgba(37,99,235,0.25);transform:translateX(4px)}
.adv-side-item.active::before{background:#fff}
.adv-side-num{width:32px;height:32px;border-radius:8px;background:#f5f7fa;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:var(--text2);flex-shrink:0;transition:all .3s}
.adv-side-item.active .adv-side-num{background:rgba(255,255,255,0.25);color:#fff}
.adv-side-item .adv-side-icon{width:22px;height:22px;flex-shrink:0;stroke:var(--text2);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s}
.adv-side-item.active .adv-side-icon{stroke:#fff}
.adv-side-text{font-size:15px;font-weight:600;flex:1}
.adv-side-item.active .adv-side-text{color:#fff}
.adv-side-arrow{width:16px;height:16px;stroke:var(--muted);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;opacity:0;transition:all .3s}
.adv-side-item.active .adv-side-arrow{stroke:#fff;opacity:1}

.adv-content{background:#fff;border-radius:20px;border:1px solid var(--border);overflow:hidden;box-shadow:0 8px 40px rgba(0,0,0,0.05)}
.adv-panel{display:none}
.adv-panel.active{display:block;animation:fadeInAdv .4s ease}
@keyframes fadeInAdv{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.adv-panel-body{display:grid;grid-template-columns:1fr 1fr;gap:0}
.adv-panel-left{padding:40px}
.adv-panel-left h3{font-size:26px;font-weight:700;margin-bottom:10px;color:var(--text)}
.adv-panel-left .desc{font-size:15px;color:var(--text2);margin-bottom:24px;line-height:1.7}
.adv-feature-list{display:flex;flex-direction:column;gap:14px}
.adv-feature{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:12px;background:#f8fafc;border:1px solid #f0f1f4;transition:all .3s}
.adv-feature:hover{background:rgba(37,99,235,0.04);border-color:rgba(37,99,235,0.2);transform:translateX(4px)}
.adv-feature .af-check{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple));display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.adv-feature .af-check svg{width:13px;height:13px;stroke:#fff;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
.adv-feature .af-text h4{font-size:15px;font-weight:600;color:var(--text);margin-bottom:3px}
.adv-feature .af-text p{font-size:13px;color:var(--muted);line-height:1.5}

/* 可视化面板 */
.adv-visual{background:linear-gradient(135deg,#f8f9ff,#f3f4ff);padding:40px;border-left:1px solid var(--border);display:flex;flex-direction:column}
.adv-visual-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.adv-visual-title{font-size:14px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px}
.adv-visual-title .vt-dot{width:8px;height:8px;border-radius:50%;background:var(--blue);animation:pulse 1.5s infinite}
.adv-visual-live{font-size:11px;color:var(--blue);font-weight:600;padding:3px 10px;background:rgba(37,99,235,0.1);border-radius:6px}

/* 用户画像雷达 */
.radar-box{display:flex;flex-direction:column;align-items:center;gap:20px}
.radar-svg{width:220px;height:220px}
.radar-grid{fill:none;stroke:#dfe3ec;stroke-width:1}
.radar-axis{stroke:#dfe3ec;stroke-width:1}
.radar-area{fill:rgba(37,99,235,0.15);stroke:var(--blue);stroke-width:2;stroke-linejoin:round}
.radar-dot{fill:var(--blue)}
.radar-label{font-size:10px;fill:var(--text2);font-weight:600}
.radar-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;width:100%}
.radar-stat{background:#fff;border-radius:10px;padding:12px;text-align:center;border:1px solid var(--border)}
.radar-stat .rs-num{font-size:22px;font-weight:800;color:var(--blue)}
.radar-stat .rs-label{font-size:11px;color:var(--muted);margin-top:2px}

/* 监测控制台 */
.monitor-console{display:flex;flex-direction:column;gap:14px}
.console-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.console-metric{background:#fff;border-radius:12px;padding:14px;border:1px solid var(--border)}
.console-metric .cm-label{font-size:11px;color:var(--muted);margin-bottom:6px}
.console-metric .cm-value{font-size:22px;font-weight:800;color:var(--text);line-height:1}
.console-metric .cm-value .cm-unit{font-size:12px;color:var(--muted)}
.console-metric .cm-trend{font-size:10px;margin-top:5px}
.console-metric .cm-trend.up{color:#10b981}
.console-metric .cm-trend.down{color:#ef4444}
.console-rules{background:#fff;border-radius:12px;padding:16px;border:1px solid var(--border)}
.console-rules h5{font-size:12px;font-weight:700;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:6px}
.console-rules h5 .cr-dot{width:6px;height:6px;border-radius:50%;background:#10b981}
.rule-item{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:12px;color:var(--text2);border-bottom:1px solid #f5f7fa}
.rule-item:last-child{border-bottom:none}
.rule-item .ri-status{width:8px;height:8px;border-radius:50%;background:#10b981;flex-shrink:0}
.rule-item .ri-name{flex:1}
.rule-item .ri-val{font-weight:700;color:var(--blue)}

/* 数据看板 */
.data-board{display:flex;flex-direction:column;gap:14px}
.board-chart{background:#fff;border-radius:12px;padding:16px;border:1px solid var(--border)}
.board-chart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.board-chart-title{font-size:12px;font-weight:700;color:var(--text)}
.board-chart-legend{display:flex;gap:10px;font-size:10px;color:var(--muted)}
.board-chart-legend span{display:flex;align-items:center;gap:4px}
.board-chart-legend i{width:10px;height:3px;border-radius:2px;display:inline-block}
.board-bars{display:flex;align-items:flex-end;gap:8px;height:120px}
.board-bar{flex:1;border-radius:4px 4px 0 0;position:relative;animation:barGrow 1.2s cubic-bezier(0.4,0,0.2,1) forwards;transform-origin:bottom;transform:scaleY(0)}
.board-bar.b1{background:linear-gradient(180deg,#7aa6ff,var(--blue))}
.board-bar.b2{background:linear-gradient(180deg,#7aa6ff,var(--blue))}
.board-bar.b3{background:linear-gradient(180deg,#a78bfa,var(--purple))}
.board-bar.b4{background:linear-gradient(180deg,#a78bfa,var(--purple))}
.board-bar.b5{background:linear-gradient(180deg,#5eead4,#06b6d4)}
.board-bar.b6{background:linear-gradient(180deg,#5eead4,#06b6d4)}
.board-bar.b7{background:linear-gradient(180deg,#6ee7b7,#10b981)}
@keyframes barGrow{to{transform:scaleY(1)}}
.board-bar .bv{position:absolute;top:-18px;left:50%;transform:translateX(-50%);font-size:9px;color:var(--muted);white-space:nowrap}
.board-donut{display:flex;align-items:center;gap:20px}
.donut-wrap{position:relative;width:110px;height:110px;flex-shrink:0}
.donut-svg{width:110px;height:110px;transform:rotate(-90deg)}
.donut-svg circle{fill:none;stroke-width:11;stroke-linecap:butt}
.donut-bg{stroke:#eef1f8}
.donut-arc{animation:arcGrow 1.2s cubic-bezier(0.4,0,0.2,1) forwards}
@keyframes arcGrow{from{stroke-dasharray:0 251.3}to{stroke-dasharray:var(--len) 251.3}}
.donut-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.donut-center .dc-num{font-size:22px;font-weight:800;color:var(--text);line-height:1}
.donut-center .dc-label{font-size:9px;color:var(--muted);margin-top:2px}
.donut-legend{display:flex;flex-direction:column;gap:8px;flex:1}
.donut-legend-item{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text2)}
.donut-legend-item i{width:9px;height:9px;border-radius:2px;flex-shrink:0}
.donut-legend-item b{font-weight:700;color:var(--text);margin-left:auto}

/* 方法论时间线 */
.method-timeline{display:flex;flex-direction:column;gap:0;position:relative}
.method-timeline::before{content:'';position:absolute;left:18px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--blue),var(--purple),#06b6d4,#10b981)}
.method-node{display:flex;gap:16px;padding-bottom:20px;position:relative}
.method-node:last-child{padding-bottom:0}
.method-node .mn-dot{width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--blue);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--blue);flex-shrink:0;z-index:1;position:relative}
.method-node.n2 .mn-dot{border-color:var(--purple);color:var(--purple)}
.method-node.n3 .mn-dot{border-color:#06b6d4;color:#06b6d4}
.method-node.n4 .mn-dot{border-color:#10b981;color:#10b981}
.method-node .mn-content{flex:1;padding-top:4px}
.method-node .mn-content h5{font-size:14px;font-weight:700;color:var(--text);margin-bottom:4px}
.method-node .mn-content p{font-size:12px;color:var(--muted);line-height:1.5}
.method-node .mn-tag{display:inline-block;font-size:10px;font-weight:600;padding:2px 8px;border-radius:4px;margin-top:6px}
.method-node.n1 .mn-tag{background:rgba(37,99,235,0.1);color:var(--blue)}
.method-node.n2 .mn-tag{background:rgba(124,58,237,0.1);color:var(--purple)}
.method-node.n3 .mn-tag{background:rgba(6,182,212,0.1);color:#06b6d4}
.method-node.n4 .mn-tag{background:rgba(16,185,129,0.1);color:#10b981}

/* 关键词分层矩阵 */
.kw-matrix{display:flex;flex-direction:column;gap:10px}
.kw-matrix-item{background:#fff;border-radius:12px;padding:14px 16px;border:1px solid var(--border);display:flex;align-items:center;gap:14px;transition:all .3s}
.kw-matrix-item:hover{transform:translateX(4px);box-shadow:0 4px 16px rgba(37,99,235,0.08)}
.kw-matrix-icon{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:13px;font-weight:800}
.kw-matrix-icon.c1{background:rgba(37,99,235,0.1);color:var(--blue)}
.kw-matrix-icon.c2{background:rgba(124,58,237,0.1);color:var(--purple)}
.kw-matrix-icon.c3{background:rgba(6,182,212,0.1);color:#06b6d4}
.kw-matrix-icon.c4{background:rgba(16,185,129,0.1);color:#10b981}
.kw-matrix-info{flex:1;min-width:0}
.kw-matrix-info h5{font-size:13px;font-weight:700;color:var(--text);margin-bottom:2px}
.kw-matrix-info p{font-size:11px;color:var(--muted)}
.kw-matrix-bar{width:80px;flex-shrink:0}
.kw-matrix-bar .kmb-track{height:6px;background:#f0f1f4;border-radius:3px;overflow:hidden;margin-bottom:4px}
.kw-matrix-bar .kmb-fill{height:100%;border-radius:3px;animation:barGrow 1s ease forwards;transform-origin:left;transform:scaleX(0)}
.kw-matrix-bar .kmb-val{font-size:11px;font-weight:700;color:var(--text);text-align:right}

/* 出价排名曲线 */
.bid-chart-box{display:flex;flex-direction:column;gap:14px}
.bid-chart-main{background:#fff;border-radius:12px;padding:16px;border:1px solid var(--border)}
.bid-chart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.bid-chart-title{font-size:12px;font-weight:700;color:var(--text)}
.bid-chart-legend{display:flex;gap:10px;font-size:10px;color:var(--muted)}
.bid-chart-legend span{display:flex;align-items:center;gap:4px}
.bid-chart-legend i{width:10px;height:3px;border-radius:2px;display:inline-block}
.bid-svg{width:100%;height:120px;display:block}
.bid-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.bid-stat{background:#fff;border-radius:10px;padding:12px;border:1px solid var(--border);text-align:center}
.bid-stat .bs-num{font-size:20px;font-weight:800;color:var(--blue);line-height:1}
.bid-stat .bs-label{font-size:10px;color:var(--muted);margin-top:3px}

/* A/B测试对比 */
.ab-test-box{display:flex;flex-direction:column;gap:12px}
.ab-card{background:#fff;border-radius:12px;padding:16px;border:1px solid var(--border);position:relative;overflow:hidden}
.ab-card.winner{border-color:var(--blue);box-shadow:0 4px 16px rgba(37,99,235,0.1)}
.ab-card.winner::before{content:'胜出';position:absolute;top:8px;right:8px;font-size:9px;font-weight:700;color:#fff;background:var(--blue);padding:2px 8px;border-radius:4px}
.ab-card .ab-label{font-size:11px;color:var(--muted);margin-bottom:8px}
.ab-card .ab-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:12px;line-height:1.5}
.ab-card .ab-ctr{display:flex;align-items:baseline;gap:6px;margin-bottom:10px}
.ab-card .ab-ctr .ctr-num{font-size:26px;font-weight:800;color:var(--text)}
.ab-card.winner .ab-ctr .ctr-num{color:var(--blue)}
.ab-card .ab-ctr .ctr-label{font-size:11px;color:var(--muted)}
.ab-card .ab-bar{height:6px;background:#f0f1f4;border-radius:3px;overflow:hidden}
.ab-card .ab-bar-fill{height:100%;border-radius:3px;animation:barGrow 1s ease forwards;transform-origin:left;transform:scaleX(0)}
.ab-card .ab-bar-fill.fill-a{background:var(--muted)}
.ab-card.winner .ab-bar-fill{background:linear-gradient(90deg,var(--blue),var(--purple))}
.ab-uplift{text-align:center;padding:10px;background:rgba(16,185,129,0.08);border-radius:10px;font-size:13px;font-weight:700;color:#10b981}

/* 转化漏斗 */
.funnel-box{display:flex;flex-direction:column;gap:6px}
.funnel-step{position:relative;border-radius:8px;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;color:#fff;font-size:13px;overflow:hidden;transition:all .3s}
.funnel-step:hover{transform:translateX(4px)}
.funnel-step.f1{background:linear-gradient(90deg,#2554fe,#4b7aff);width:100%}
.funnel-step.f2{background:linear-gradient(90deg,#4b7aff,#7c3aed);width:84%}
.funnel-step.f3{background:linear-gradient(90deg,#7c3aed,#a78bfa);width:62%}
.funnel-step.f4{background:linear-gradient(90deg,#06b6d4,#22d3ee);width:41%}
.funnel-step.f5{background:linear-gradient(90deg,#10b981,#34d399);width:24%}
.funnel-step .fs-label{font-weight:600;display:flex;align-items:center;gap:8px}
.funnel-step .fs-label .fs-icon{width:18px;height:18px;opacity:.8}
.funnel-step .fs-value{font-weight:800;font-size:15px}
.funnel-step .fs-rate{font-size:10px;opacity:.8;margin-left:6px}
.funnel-summary{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.funnel-stat{background:#fff;border-radius:10px;padding:12px;border:1px solid var(--border);text-align:center}
.funnel-stat .fstat-num{font-size:20px;font-weight:800;color:var(--blue)}
.funnel-stat .fstat-label{font-size:10px;color:var(--muted);margin-top:3px}

/* 转化路径流程 */
.path-flow-box{display:flex;flex-direction:column;gap:0;position:relative}
.path-flow-box::before{content:'';position:absolute;left:20px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--blue),var(--purple),#06b6d4,#10b981)}
.path-node{display:flex;gap:14px;padding:10px 0;position:relative;align-items:center}
.path-node .pn-dot{width:40px;height:40px;border-radius:50%;background:#fff;border:2px solid var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0;z-index:1}
.path-node.p2 .pn-dot{border-color:var(--purple)}
.path-node.p3 .pn-dot{border-color:#06b6d4}
.path-node.p4 .pn-dot{border-color:#10b981}
.path-node .pn-dot svg{width:18px;height:18px;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.path-node.p1 .pn-dot svg{stroke:var(--blue)}
.path-node.p2 .pn-dot svg{stroke:var(--purple)}
.path-node.p3 .pn-dot svg{stroke:#06b6d4}
.path-node.p4 .pn-dot svg{stroke:#10b981}
.path-node .pn-content{flex:1;display:flex;align-items:center;justify-content:space-between;gap:12px}
.path-node .pn-content h5{font-size:13px;font-weight:700;color:var(--text)}
.path-node .pn-content p{font-size:11px;color:var(--muted);margin-top:2px}
.path-node .pn-rate{font-size:18px;font-weight:800;flex-shrink:0}
.path-node.p1 .pn-rate{color:var(--blue)}
.path-node.p2 .pn-rate{color:var(--purple)}
.path-node.p3 .pn-rate{color:#06b6d4}
.path-node.p4 .pn-rate{color:#10b981}

/* 服务团队架构 */
.team-org{display:flex;flex-direction:column;gap:12px}
.team-lead{background:linear-gradient(135deg,var(--blue),var(--purple));border-radius:12px;padding:16px;display:flex;align-items:center;gap:14px;color:#fff}
.team-lead .tl-avatar{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;flex-shrink:0}
.team-lead .tl-info h5{font-size:15px;font-weight:700;margin-bottom:2px}
.team-lead .tl-info p{font-size:11px;opacity:.85}
.team-members{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.team-member{background:#fff;border-radius:10px;padding:12px;border:1px solid var(--border);display:flex;align-items:center;gap:10px;transition:all .3s}
.team-member:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(37,99,235,0.08)}
.team-member .tm-avatar{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.team-member .tm-avatar.a1{background:rgba(37,99,235,0.1);color:var(--blue)}
.team-member .tm-avatar.a2{background:rgba(124,58,237,0.1);color:var(--purple)}
.team-member .tm-avatar.a3{background:rgba(6,182,212,0.1);color:#06b6d4}
.team-member .tm-avatar.a4{background:rgba(16,185,129,0.1);color:#10b981}
.team-member .tm-info h5{font-size:12px;font-weight:600;color:var(--text)}
.team-member .tm-info p{font-size:10px;color:var(--muted)}
.team-cta{background:rgba(37,99,235,0.06);border-radius:10px;padding:12px;text-align:center;font-size:12px;font-weight:600;color:var(--blue);border:1px dashed rgba(37,99,235,0.2)}

/* ===== 客户案例 (自动轮播) ===== */
.case-carousel{position:relative;overflow:hidden}
.case-carousel::before,.case-carousel::after{content:'';position:absolute;top:0;bottom:0;width:80px;z-index:3;pointer-events:none}
.case-carousel::before{left:0;background:linear-gradient(90deg,#fff 45%,transparent)}
.case-carousel::after{right:0;background:linear-gradient(270deg,#fff 45%,transparent)}
.case-viewport{overflow:hidden}
.case-track{display:flex;gap:20px;width:max-content;padding:0 10px;animation:caseMarquee 38s linear infinite;will-change:transform}
.case-track:hover{animation-play-state:paused}
@keyframes caseMarquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.case-card{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s;cursor:pointer;display:block;flex:none;width:360px;min-width:0}
.case-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,0.1);border-color:transparent}
.case-img{height:200px;position:relative;overflow:hidden}
.case-img.gradient1{background:linear-gradient(135deg,#667eea,#764ba2)}
.case-img.gradient2{background:linear-gradient(135deg,#f093fb,#f5576c)}
.case-img.gradient3{background:linear-gradient(135deg,#4facfe,#00f2fe)}
.case-img.gradient4{background:linear-gradient(135deg,#43e97b,#38f9d7)}
.case-img.gradient5{background:linear-gradient(135deg,#fa709a,#fee140)}
.case-img::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,0.1)}
.case-tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,0.95);color:var(--blue);font-size:12px;font-weight:600;padding:4px 12px;border-radius:6px;z-index:1}
.case-body{padding:24px}
.case-body h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.case-body p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:16px}
.case-result{display:flex;gap:16px;padding-top:16px;border-top:1px solid var(--border)}
.case-result-item .r-num{font-size:22px;font-weight:800;background:linear-gradient(135deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.case-result-item .r-label{font-size:12px;color:var(--muted)}

/* ===== CTA BANNER ===== */
.cta-banner{padding:0;position:relative;overflow:hidden}
.cta-inner{max-width:none;margin:0;background:linear-gradient(90deg,#2554fe 0%,#06b6d4 100%);padding:90px 40px;text-align:center;position:relative;overflow:hidden}
.cta-inner::before{content:'';position:absolute;top:-30%;right:-5%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,0.12),transparent 70%);border-radius:50%}
.cta-inner::after{content:'';position:absolute;bottom:-40%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,255,255,0.08),transparent 70%);border-radius:50%}
.cta-inner h2{font-size:36px;font-weight:800;color:#fff;margin-bottom:12px;position:relative;z-index:1}
.cta-inner p{font-size:17px;color:rgba(255,255,255,0.9);margin-bottom:36px;position:relative;z-index:1}
.cta-btn{display:inline-flex;align-items:center;gap:8px;padding:16px 48px;background:#fff;color:#2554fe;border-radius:10px;font-size:16px;font-weight:700;transition:all .25s;position:relative;z-index:1;box-shadow:0 8px 24px rgba(0,0,0,0.15)}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,0.2);background:#f8f9ff}

/* ===== FOOTER ===== */
.footer{background:var(--dark);padding:64px 40px 32px}
.footer-inner{max-width:1280px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:36px;margin-bottom:48px}
.footer-brand .f-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .f-logo img{width:40px;height:40px;border-radius:10px}
.footer-brand .f-logo span{font-size:20px;font-weight:700;color:#fff}
.footer-brand .f-logo span em{color:#60a5fa;font-style:normal}
.footer-brand p{font-size:14px;color:rgba(255,255,255,0.4);line-height:1.8;margin-bottom:20px;max-width:320px}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact-item{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,0.5)}
.footer-contact-item svg{width:16px;height:16px;stroke:rgba(255,255,255,0.4);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:20px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,0.4);transition:color .2s}
.footer-col ul li a:hover{color:#60a5fa}
.footer-bottom{padding-top:24px;border-top:1px solid rgba(255,255,255,0.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,0.3)}
.footer-bottom a{font-size:13px;color:rgba(255,255,255,0.3);transition:color .2s}
.footer-bottom a:hover{color:#60a5fa}

/* ===== FLOATING WIDGET ===== */
.float-widget{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:9999;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float-btn{position:relative;display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:12px;background:#fff;border:1px solid var(--border);box-shadow:0 4px 16px rgba(0,0,0,0.08);cursor:pointer;transition:all .25s;color:var(--blue)}
.float-btn svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.float-btn:hover{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;border-color:transparent;transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,0.25)}
.float-btn .float-tip{position:absolute;right:60px;top:50%;transform:translateY(-50%) translateX(-8px);white-space:nowrap;background:#1a1a2e;color:#fff;font-size:13px;padding:8px 14px;border-radius:8px;opacity:0;visibility:hidden;transition:all .25s;pointer-events:none;font-weight:500}
.float-btn:hover .float-tip{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.float-btn .float-tip::after{content:'';position:absolute;right:-5px;top:50%;transform:translateY(-50%);border-width:5px 0 5px 6px;border-style:solid;border-color:transparent transparent transparent #1a1a2e}
.float-btn.wechat-btn:hover .wechat-pop{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.phone-pop{position:absolute;right:60px;top:50%;transform:translateY(-50%) translateX(-12px);background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px 20px;box-shadow:0 12px 40px rgba(0,0,0,0.15);opacity:0;visibility:hidden;transition:all .3s;pointer-events:none;display:flex;align-items:center;gap:12px;white-space:nowrap}
.phone-pop::after{content:'';position:absolute;right:-6px;top:50%;transform:translateY(-50%);border-width:6px 0 6px 7px;border-style:solid;border-color:transparent transparent transparent #fff}
.phone-pop-icon{width:34px;height:34px;border-radius:50%;background:rgba(239,68,68,0.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.phone-pop-icon svg{width:16px;height:16px;stroke:#ef4444;stroke-width:2;fill:none}
.phone-pop-num{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.5px}
.float-btn.phone-btn:hover .phone-pop,.float-btn.phone-btn.active .phone-pop{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.wechat-pop{position:absolute;right:60px;top:50%;transform:translateY(-50%) translateX(-12px);width:180px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:0 12px 40px rgba(0,0,0,0.15);opacity:0;visibility:hidden;transition:all .3s;pointer-events:none;text-align:center}
.wechat-pop::after{content:'';position:absolute;right:-6px;top:50%;transform:translateY(-50%);border-width:6px 0 6px 7px;border-style:solid;border-color:transparent transparent transparent #fff}
.wechat-pop img{width:100%;border-radius:8px;margin-bottom:10px}
.wechat-pop .wp-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px}
.wechat-pop .wp-sub{font-size:11px;color:var(--muted)}
.float-btn.top-btn{opacity:0;visibility:hidden;transform:translateY(20px)}
.float-btn.top-btn.show{opacity:1;visibility:visible;transform:translateY(0)}

/* ===== ANIMATIONS ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .platform-grid,.value-grid{grid-template-columns:repeat(2,1fr)}
  .process-flow{flex-wrap:wrap;gap:24px}
  .process-flow::before{display:none}
  .process-step{flex:1 1 30%}
  .adv-wrap{grid-template-columns:240px 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-items,.nav-right{display:none}
  .mobile-toggle{display:flex}
  .nav{padding:0 20px;justify-content:space-between}
  .hero{padding:100px 20px 60px}
  .hero h1{font-size:28px}
  .hero-stats{gap:24px}
  .hero-stat .num{font-size:32px}
  .section{padding:56px 20px}
  .section-title h2{font-size:26px}
  .platform-grid,.value-grid{grid-template-columns:1fr}
  .process-step{flex:1 1 100%}
  .adv-wrap{grid-template-columns:1fr;gap:20px}
  .adv-side{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:6px}
  .adv-side-item{flex:1 1 auto;min-width:140px;justify-content:center;transform:none!important}
  .adv-side-item.active{transform:none!important}
  .adv-side-arrow{display:none}
  .adv-panel-body{grid-template-columns:1fr}
  .adv-visual{border-left:none;border-top:1px solid var(--border)}
  .float-widget{right:12px;top:50%;transform:translateY(-50%)}
  .float-btn{width:46px;height:46px}
  .float-btn .float-tip,.float-btn .wechat-pop{display:none}
  .cta-inner{padding:40px 24px}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .dropdown{width:100%;left:0;transform:translateY(-12px)}
  .nav-item:hover .dropdown{transform:translateY(0)}
  .case-card{width:280px}
}