/* ============================================================
   深圳宏鑫达商业保理有限公司 — 现代官网样式
   明亮 · 科技 · 流畅 · 全响应式
   ============================================================ */

:root {
    --blue:#2563eb; --blue-600:#1d4ed8; --blue-50:#eff6ff;
    --cyan:#06b6d4; --teal:#0d9488; --amber:#f59e0b; --rose:#e11d48; --violet:#7c3aed;
    --slate-50:#f8fafc; --slate-100:#f1f5f9; --slate-200:#e2e8f0; --slate-300:#cbd5e1;
    --slate-400:#94a3b8; --slate-500:#64748b; --slate-600:#475569; --slate-700:#334155;
    --slate-800:#1e293b; --slate-900:#0f172a; --white:#ffffff;
    --radius-sm:10px; --radius:16px; --radius-lg:24px;
    --shadow-sm:0 1px 3px rgba(0,0,0,.04),0 1px 2px rgba(0,0,0,.06);
    --shadow:0 4px 16px rgba(0,0,0,.04),0 8px 32px rgba(0,0,0,.06);
    --shadow-lg:0 8px 32px rgba(0,0,0,.06),0 16px 48px rgba(0,0,0,.08);
    --transition:.3s cubic-bezier(.4,0,.2,1);
    --header-h:60px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h);font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--slate-700);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}

.container{max-width:1160px;margin:0 auto;padding:0 28px}

/* --- Section --- */
.section{padding:100px 0;position:relative;overflow:hidden}
.section-light{background:var(--slate-50)}
.section-dark{background:var(--slate-900);color:var(--white)}
.section-cta{background:linear-gradient(180deg,var(--slate-900) 0%,#1a1e32 100%);color:var(--white)}

.section-header{text-align:center;max-width:640px;margin:0 auto 64px}
.section-header.light .section-tag{border-color:rgba(255,255,255,.2);color:var(--cyan)}
.section-header.light .section-title{color:var(--white)}
.section-header.light .section-sub{color:var(--slate-400)}

.section-tag{display:inline-block;font-size:.78rem;font-weight:650;letter-spacing:.12em;color:var(--blue);padding:5px 16px;border:1px solid var(--blue-50);border-radius:50px;background:var(--blue-50);margin-bottom:18px}
.section-title{font-size:2.5rem;font-weight:780;color:var(--slate-900);margin-bottom:16px;line-height:1.25;letter-spacing:-.02em}
.section-sub{font-size:1.05rem;color:var(--slate-500);line-height:1.7}
.highlight{color:var(--blue)}

/* --- Header --- */
.header{position:fixed;top:0;left:0;width:100%;height:var(--header-h);background:rgba(255,255,255,.88);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid rgba(0,0,0,.05);z-index:1000;transition:var(--transition)}
.header.scrolled{border-bottom-color:rgba(0,0,0,.1);box-shadow:0 1px 16px rgba(0,0,0,.06)}
.header-inner{display:flex;align-items:center;justify-content:flex-start;height:100%}

.logo{display:flex;align-items:center;gap:10px;font-size:1rem;font-weight:700;color:var(--slate-900);white-space:nowrap}
.logo-icon{height:34px;width:auto;flex-shrink:0;object-fit:contain}
.nav{margin-left:32px}
.nav-list{display:flex;gap:2px}
.nav-link{padding:8px 13px;font-size:.88rem;font-weight:500;color:var(--slate-600);border-radius:8px;transition:var(--transition);white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-50)}
.nav-link.active{font-weight:600}

.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--slate-700);border-radius:2px;transition:var(--transition)}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;font-size:.95rem;font-weight:600;border-radius:50px;border:none;cursor:pointer;transition:var(--transition)}
.btn-primary{background:var(--blue);color:var(--white);box-shadow:0 4px 16px rgba(37,99,235,.3)}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.35)}
.btn-ghost{background:rgba(255,255,255,.1);color:var(--white);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2)}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.35)}
.btn-full{width:100%;justify-content:center}

/* --- Hero --- */
.hero{position:relative;min-height:120vh;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--white);background:linear-gradient(140deg,#0f172a 0%,#1e3a5f 35%,#0ea5e9 70%,#2563eb 100%);overflow:hidden}
.hero-particles{position:absolute;inset:0;z-index:0;pointer-events:none;width:100%;height:100%}
.hero-glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.25;z-index:0;pointer-events:none}
.g1{width:500px;height:500px;background:radial-gradient(circle,var(--cyan),transparent);top:-10%;left:10%;animation:gp1 8s ease-in-out infinite}
.g2{width:400px;height:400px;background:radial-gradient(circle,var(--blue),transparent);bottom:5%;right:5%;animation:gp2 10s ease-in-out infinite}
@keyframes gp1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-30px) scale(1.15)}}
@keyframes gp2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-30px,20px) scale(1.1)}}

.hero-content{position:relative;z-index:2;max-width:800px}
.hero-badge{display:inline-block;font-size:.82rem;font-weight:600;letter-spacing:.18em;color:rgba(255,255,255,.9);padding:6px 20px;border:1px solid rgba(255,255,255,.25);border-radius:50px;margin-bottom:28px;backdrop-filter:blur(8px);background:rgba(255,255,255,.06)}
.hero-title{font-size:3.4rem;font-weight:820;line-height:1.18;margin-bottom:24px;letter-spacing:-.03em}
.hero-desc{font-size:1.12rem;line-height:1.8;color:rgba(255,255,255,.75);margin-bottom:40px}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.45);z-index:2}

/* --- Animations --- */
.fade-up{opacity:0;transform:translateY(36px);transition:opacity .75s,transform .75s}
.fade-up.visible{opacity:1;transform:translateY(0)}
.fade-up.delay-1{transition-delay:.12s}.fade-up.delay-2{transition-delay:.24s}.fade-up.delay-3{transition-delay:.36s}.fade-up.delay-4{transition-delay:.48s}.fade-up.delay-5{transition-delay:.6s}

/* --- Services Grid --- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc-card{position:relative;background:var(--white);border-radius:var(--radius-lg);padding:44px 32px 32px;border:1px solid var(--slate-100);transition:all .35s;overflow:hidden;display:flex;flex-direction:column}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--slate-200)}
.svc-icon-box{margin-bottom:24px}
.svc-card h3{font-size:1.2rem;font-weight:700;color:var(--slate-900);margin-bottom:10px}
.svc-card p{color:var(--slate-500);font-size:.92rem;line-height:1.65;margin-bottom:24px;flex-grow:1}
.svc-link{font-size:.88rem;font-weight:600;color:var(--blue)}
.svc-link:hover{color:var(--blue-600)}
.svc-num{position:absolute;top:20px;right:24px;font-size:3.2rem;font-weight:800;color:var(--slate-100);line-height:1;pointer-events:none}

/* --- Stats Bar --- */
.stats-bar{padding:0;background:var(--white);border-bottom:1px solid var(--slate-100)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-box{text-align:center;padding:40px 20px;border-right:1px solid var(--slate-100)}
.stat-box:last-child{border-right:none}
.stat-value{font-size:2.6rem;font-weight:780;color:var(--slate-900);line-height:1.1;display:inline}
.stat-suffix{font-size:1.4rem;font-weight:700;color:var(--blue)}
.stat-box .stat-label{display:block;font-size:.85rem;color:var(--slate-400);margin-top:6px;font-weight:500}

/* --- Detail Row --- */
.detail-row{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.detail-row.reverse .detail-visual{order:-1}
.detail-desc{font-size:1.02rem;color:var(--slate-500);line-height:1.75;margin-bottom:28px}

.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.feat-item{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:var(--radius-sm);background:var(--white);border:1px solid var(--slate-100);transition:var(--transition)}
.feat-item:hover{border-color:var(--blue-50);box-shadow:var(--shadow-sm)}
.feat-dot{width:8px;height:8px;border-radius:50%;background:var(--blue);flex-shrink:0;margin-top:8px}
.feat-item strong{display:block;font-size:.88rem;color:var(--slate-800);margin-bottom:2px}
.feat-item p{font-size:.82rem;color:var(--slate-400);line-height:1.5}

/* --- Visual Cards --- */
.detail-visual{display:flex;justify-content:center}
.visual-card{width:100%;max-width:400px;border-radius:var(--radius-lg);padding:48px 36px;color:var(--white);text-align:center;box-shadow:var(--shadow-lg);transition:var(--transition)}
.visual-card:hover{transform:translateY(-4px)}
.vc-blue{background:linear-gradient(135deg,#2563eb,#3b82f6)}
.vc-teal{background:linear-gradient(135deg,#0d9488,#14b8a6)}
.vc-purple{background:linear-gradient(135deg,#7c3aed,#8b5cf6)}
.vc-amber{background:linear-gradient(135deg,#d97706,#f59e0b)}
.vc-violet{background:linear-gradient(135deg,#6d28d9,#7c3aed)}
.vc-icon{font-size:3rem;margin-bottom:16px}
.vc-label{font-size:1.3rem;font-weight:700;margin-bottom:10px}
.vc-desc{font-size:.85rem;opacity:.8;margin-top:10px}
.vc-extra{font-size:.82rem;opacity:.65;margin-top:8px}
.vc-bar{background:rgba(255,255,255,.2);border-radius:10px;height:10px;margin-top:16px;overflow:hidden}
.vc-bar span{display:block;height:100%;background:rgba(255,255,255,.8);border-radius:10px;transition:width 1.5s ease}
.vc-rings{display:flex;gap:10px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.ring{width:50px;height:50px;border-radius:50%;background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:600;transition:var(--transition)}
.ring:hover{background:rgba(255,255,255,.3);transform:scale(1.1)}
.vc-flow{display:flex;align-items:center;justify-content:center;gap:8px;margin:20px 0;flex-wrap:wrap}
.flow-node{background:rgba(255,255,255,.15);padding:8px 16px;border-radius:8px;font-size:.85rem;font-weight:600}
.flow-node.hl{background:rgba(255,255,255,.3);font-size:.9rem}
.flow-arrow{font-size:1.2rem;opacity:.6}
.vc-grid-2x2{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.vc-grid-2x2 span{background:rgba(255,255,255,.15);padding:10px;border-radius:8px;font-size:.82rem;font-weight:500}
.vc-chart{display:flex;align-items:flex-end;justify-content:center;gap:10px;height:80px;margin:20px 0}
.vc-chart .bar{width:24px;background:rgba(255,255,255,.6);border-radius:6px 6px 0 0}
.vc-chart .b1{height:40%}.vc-chart .b2{height:65%}.vc-chart .b3{height:85%}.vc-chart .b4{height:55%}.vc-chart .b5{height:95%}

/* --- Consult Grid --- */
.consult-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.consult-card{background:var(--white);border-radius:var(--radius-lg);padding:40px 32px;border:1px solid var(--slate-100);transition:all .35s}
.consult-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--slate-200)}
.cc-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.cc-head h3{font-size:1.15rem;font-weight:700;color:var(--slate-900)}
.cc-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}
.ci-blue{background:#dbeafe}.ci-teal{background:#d1fae5}.ci-rose{background:#ffe4e6}
.consult-card>p{font-size:.9rem;color:var(--slate-500);line-height:1.7;margin-bottom:20px}
.cc-list{border-top:1px solid var(--slate-100);padding-top:16px}
.cc-list li{padding:7px 0;font-size:.85rem;color:var(--slate-500);padding-left:20px;position:relative}
.cc-list li::before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:700;font-size:.75rem}

/* --- Advantages --- */
.advantage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.adv-card{background:rgba(255,255,255,.05);border-radius:var(--radius-lg);padding:40px 28px;border:1px solid rgba(255,255,255,.08);transition:var(--transition)}
.adv-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.adv-num{font-size:3rem;font-weight:800;color:rgba(255,255,255,.08);line-height:1;margin-bottom:12px}
.adv-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px;color:var(--white)}
.adv-card p{font-size:.88rem;color:var(--slate-400);line-height:1.65}

/* --- Contact --- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:24px}
.ci-item{display:flex;gap:14px;align-items:flex-start}
.ci-icon{width:44px;height:44px;background:rgba(255,255,255,.08);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0}
.ci-item h4{font-size:.95rem;font-weight:600;color:var(--cyan);margin-bottom:3px}
.ci-item p{font-size:.9rem;color:var(--slate-300)}
.contact-form{background:rgba(255,255,255,.04);border-radius:var(--radius-lg);padding:40px;border:1px solid rgba(255,255,255,.08)}
.contact-form h3{font-size:1.2rem;font-weight:700;margin-bottom:24px;color:var(--white)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:13px 16px;font-size:.9rem;font-family:inherit;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);color:var(--white);outline:none;transition:var(--transition)}
.contact-form select{margin-bottom:14px;cursor:pointer}
.contact-form select option{background:var(--slate-800);color:var(--white)}
.contact-form textarea{margin-bottom:20px;resize:vertical;min-height:100px}
.contact-form ::placeholder{color:var(--slate-500)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--blue);background:rgba(255,255,255,.1)}

/* --- Footer --- */
.footer{background:#030712;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-logo{display:inline-flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:700;color:var(--white);margin-bottom:16px}
.footer-brand p{font-size:.85rem;color:var(--slate-500);line-height:1.7}
.footer-links h4{font-size:.92rem;font-weight:600;color:var(--white);margin-bottom:14px}
.footer-links li{margin-bottom:8px}
.footer-links a{font-size:.85rem;color:var(--slate-500);transition:var(--transition)}
.footer-links a:hover{color:var(--cyan)}
.footer-qr h4{font-size:.92rem;font-weight:600;color:var(--white);margin-bottom:14px}
.qr-box{width:110px;height:110px;border:1px dashed rgba(255,255,255,.1);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:.8rem;color:var(--slate-500)}
.footer-bottom{padding:28px 0;text-align:center}
.footer-bottom p{font-size:.78rem;color:var(--slate-600);line-height:1.6}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width:1024px) {
    :root{--header-h:56px}
    .section-title{font-size:2rem}
    .hero-title{font-size:2.4rem}
    .nav-link{padding:6px 10px;font-size:.82rem}
    .logo{font-size:.92rem}
    .services-grid{grid-template-columns:repeat(2,1fr)}
    .consult-grid{grid-template-columns:repeat(2,1fr)}
    .advantage-grid{grid-template-columns:repeat(2,1fr)}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .stat-box:nth-child(even){border-right:none}
    .stat-box:nth-child(3),.stat-box:nth-child(4){border-bottom:none}
    .detail-row{gap:48px}
    .footer-grid{grid-template-columns:1fr 1fr}
    .contact-grid{grid-template-columns:1fr}
}

@media (max-width:767px) {
    :root{--header-h:54px}
    .section{padding:64px 0}
    .section-title{font-size:1.65rem}
    .section-tag{font-size:.72rem}

    .menu-toggle{display:flex}
    .nav{position:fixed;top:var(--header-h);left:0;width:100%;background:rgba(255,255,255,.97);backdrop-filter:blur(16px);box-shadow:0 8px 32px rgba(0,0,0,.1);padding:12px 0;transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform .35s,opacity .35s}
    .nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
    .nav-list{flex-direction:column;gap:0}
    .nav-link{display:block;padding:14px 28px;font-size:.95rem;border-radius:0;border-bottom:1px solid var(--slate-100)}
    .nav-link:last-child{border-bottom:none}

    .hero-title{font-size:1.85rem}
    .hero-desc{font-size:1rem}
    .hero-btns{flex-direction:column;width:100%;max-width:300px;margin:0 auto}
    .hero-scroll{display:none}

    .services-grid,.consult-grid,.advantage-grid,.stats-grid{grid-template-columns:1fr}
    .stat-box{border-right:none;border-bottom:1px solid var(--slate-100)}
    .stat-box:last-child{border-bottom:none}
    .feature-grid{grid-template-columns:1fr}
    .detail-row{grid-template-columns:1fr;gap:36px}
    .detail-row.reverse .detail-visual{order:-1}
    .contact-grid{grid-template-columns:1fr;gap:32px}
    .contact-form{padding:28px 20px}
    .form-row{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:28px}
}

@media (max-width:399px) {
    .container{padding:0 18px}
    .hero-title{font-size:1.5rem}
    .section-title{font-size:1.4rem}
    .svc-card{padding:32px 22px 24px}
    .consult-card{padding:28px 22px}
    .adv-card{padding:28px 20px}
    .btn{padding:12px 24px;font-size:.88rem}
    .stat-value{font-size:2rem}
}