/* ==========================================
   杭州一丰品牌管理有限公司 - 官网样式
   主色：阿里橙 #FF6A00  辅色：深灰 #1F2937
   ========================================== */

:root{
  --brand:#FF6A00;
  --brand-dark:#E85D00;
  --brand-soft:#FFF3EA;
  --brand-ink:#8A3A00;
  --ink:#1F2937;
  --ink-2:#4B5563;
  --ink-3:#6B7280;
  --line:#E5E7EB;
  --bg:#FFFFFF;
  --bg-soft:#FAFAFA;
  --bg-dark:#0F172A;
  --success:#10B981;
  --radius:12px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.04);
  --shadow-md:0 4px 12px rgba(15,23,42,.08),0 2px 4px rgba(15,23,42,.04);
  --shadow-lg:0 10px 30px rgba(255,106,0,.12),0 4px 10px rgba(15,23,42,.05);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI","Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s}
a:hover{color:var(--brand-dark)}

/* -------- Container -------- */
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* -------- Top Bar -------- */
.topbar{
  background:var(--bg-dark);color:#CBD5E1;
  font-size:13px;padding:8px 0;
}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar a{color:#CBD5E1}
.topbar a:hover{color:var(--brand)}

/* -------- Header -------- */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header .container{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;padding-bottom:16px;
}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:600;text-decoration:none}
.logo-mark{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),#FF9040);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;letter-spacing:-.5px;
  box-shadow:0 4px 12px rgba(255,106,0,.35);
  flex-shrink:0;
}
.logo-text{font-size:17px;line-height:1.2}
.logo-text small{display:block;font-size:11px;color:var(--ink-3);font-weight:400;margin-top:2px;letter-spacing:1px}
.footer .logo-text{color:#fff}
.footer .logo-text small{color:#64748B}

.nav{display:flex;align-items:center;gap:4px}
.nav a{
  color:var(--ink-2);padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;transition:all .2s;
}
.nav a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav a.active{color:var(--brand-dark);background:var(--brand-soft)}
.nav-cta{
  margin-left:12px;background:var(--brand);color:#fff !important;
  padding:8px 18px !important;border-radius:8px;
}
.nav-cta:hover{background:var(--brand-dark) !important}

.mobile-toggle{display:none;background:none;border:0;font-size:24px;color:var(--ink);cursor:pointer}

/* -------- Section -------- */
section{padding:80px 0}
.section-tag{
  display:inline-block;background:var(--brand-soft);color:var(--brand-dark);
  padding:6px 14px;border-radius:20px;font-size:13px;font-weight:500;
  letter-spacing:.5px;margin-bottom:16px;
}
.section-title{
  font-size:36px;line-height:1.2;font-weight:600;color:var(--ink);
  margin-bottom:16px;letter-spacing:-.5px;
}
.section-sub{font-size:17px;color:var(--ink-2);max-width:720px;margin-bottom:48px}
.section-head-center{text-align:center}
.section-head-center .section-sub{margin-left:auto;margin-right:auto}

/* -------- Buttons -------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:10px;font-weight:500;font-size:15px;
  border:0;cursor:pointer;transition:all .2s;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-md)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-lg);color:#fff}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark)}
.btn-ghost{background:rgba(255,255,255,.15);color:#fff;backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.25);color:#fff}

/* -------- Hero -------- */
.hero{
  padding:100px 0 120px;
  background:
    radial-gradient(1200px 500px at 90% -10%, rgba(255,106,0,.10), transparent 60%),
    radial-gradient(900px 400px at 0% 100%, rgba(255,144,64,.08), transparent 60%),
    linear-gradient(180deg,#FFFDFB 0%, #fff 100%);
  position:relative;overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:60px;align-items:center;max-width:820px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--brand-soft);
  padding:6px 14px;border-radius:20px;font-size:13px;color:var(--brand-dark);
  box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{
  font-size:52px;line-height:1.15;font-weight:700;
  color:var(--ink);letter-spacing:-1.5px;margin-bottom:24px;
}
.hero h1 span{
  background:linear-gradient(90deg,var(--brand),#FF9040);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{font-size:19px;color:var(--ink-2);margin-bottom:32px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-metrics{display:flex;gap:36px;flex-wrap:wrap}
.hero-metric strong{display:block;font-size:28px;color:var(--brand-dark);font-weight:700;line-height:1}
.hero-metric span{font-size:13px;color:var(--ink-3);margin-top:6px;display:block}

.hero-visual{
  position:relative;height:440px;width:100%;max-width:500px;
  margin-left:auto;overflow:visible;
}
.hero-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px 24px;box-shadow:var(--shadow-lg);position:absolute;
  box-sizing:border-box;
}
.hero-card h4,
.hero-card .num,
.hero-card .trend{white-space:nowrap}
.hero-card-1{top:20px;left:0;width:280px}
.hero-card-2{bottom:20px;right:0;width:240px}
.hero-card h4{font-size:14px;color:var(--ink-3);font-weight:400;margin-bottom:8px}
.hero-card .num{font-size:32px;font-weight:700;color:var(--ink);letter-spacing:-.5px;line-height:1.1}
.hero-card .num em{font-style:normal;color:var(--brand);font-size:18px;margin-left:6px;font-weight:600}
.hero-card .trend{display:inline-flex;align-items:center;gap:4px;color:var(--success);font-size:13px;margin-top:8px}
.hero-card .sub,
.hero-card-2 p{font-size:12px;color:var(--ink-3);margin-top:10px;white-space:normal;line-height:1.5}
.hero-bar{display:flex;gap:4px;align-items:flex-end;height:56px;margin-top:14px}
.hero-bar i{flex:1;background:linear-gradient(180deg,var(--brand),#FFB07A);border-radius:3px;display:block;min-width:8px}

/* -------- Feature strip / Trust bar -------- */
.trust{padding:36px 0;background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.trust-item{padding:0 16px}
.trust-item .icon{width:44px;height:44px;margin:0 auto 10px;color:var(--brand);display:flex;align-items:center;justify-content:center}
.trust-item strong{display:block;font-size:15px;color:var(--ink);font-weight:600;margin-bottom:4px}
.trust-item span{font-size:13px;color:var(--ink-3)}

/* -------- Cards grid -------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:all .25s;
}
.card:hover{border-color:var(--brand);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.card .card-icon{
  width:48px;height:48px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;font-size:22px;
}
.card h3{font-size:19px;font-weight:600;margin-bottom:10px;color:var(--ink)}
.card p{color:var(--ink-2);font-size:15px}
.card ul{list-style:none;margin-top:14px}
.card ul li{padding:6px 0 6px 20px;position:relative;color:var(--ink-2);font-size:14px}
.card ul li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:700}

/* -------- Pain-point block -------- */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pain-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;border-left:3px solid var(--brand);
}
.pain-item h4{font-size:16px;color:var(--ink);margin-bottom:8px;font-weight:600}
.pain-item p{color:var(--ink-3);font-size:14px}

/* -------- Comparison table -------- */
.compare{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.compare table{width:100%;border-collapse:collapse}
.compare th,.compare td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.compare th{background:var(--bg-soft);font-weight:600;color:var(--ink);font-size:13px;letter-spacing:.5px}
.compare th.us{background:var(--brand);color:#fff}
.compare td:first-child{color:var(--ink-2);font-weight:500}
.compare td.us{background:#FFFAF5;color:var(--ink);font-weight:500}
.compare tr:last-child td{border-bottom:0}

/* -------- Process / steps -------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative}
.step{text-align:center;position:relative}
.step-num{
  width:56px;height:56px;border-radius:50%;background:#fff;
  border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:700;margin:0 auto 16px;
  position:relative;z-index:1;box-shadow:0 0 0 6px var(--brand-soft);
}
.step h4{font-size:16px;color:var(--ink);margin-bottom:6px;font-weight:600}
.step p{font-size:13px;color:var(--ink-3);line-height:1.5}

/* -------- Case cards -------- */
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .25s;
}
.case:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.case-head{
  padding:24px 24px 16px;background:linear-gradient(135deg,var(--brand-soft),#fff);
  border-bottom:1px solid var(--line);
}
.case-tag{
  display:inline-block;background:#fff;color:var(--brand-dark);
  font-size:12px;padding:3px 10px;border-radius:12px;
  border:1px solid var(--brand-soft);font-weight:500;margin-bottom:10px;
}
.case h3{font-size:18px;color:var(--ink);font-weight:600;margin-bottom:8px}
.case-head p{color:var(--ink-2);font-size:14px}
.case-body{padding:20px 24px 24px}
.case-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}
.case-metric{border-left:2px solid var(--brand);padding-left:12px}
.case-metric strong{display:block;font-size:22px;color:var(--ink);font-weight:700;line-height:1}
.case-metric span{font-size:12px;color:var(--ink-3);margin-top:4px;display:block}
.case-body p{font-size:14px;color:var(--ink-2)}

/* -------- Team / Person -------- */
.person{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;text-align:center;
}
.person-avatar{
  width:80px;height:80px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),#FF9040);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:32px;font-weight:600;margin:0 auto 16px;
  box-shadow:0 8px 20px rgba(255,106,0,.25);
}
.person h4{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:4px}
.person .role{font-size:13px;color:var(--brand-dark);margin-bottom:12px}
.person p{font-size:14px;color:var(--ink-2)}

/* -------- Credentials -------- */
.creds{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.cred{
  display:flex;align-items:flex-start;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:18px 20px;
}
.cred .badge{
  width:40px;height:40px;flex-shrink:0;border-radius:8px;
  background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.cred strong{display:block;color:var(--ink);font-weight:600;font-size:15px;margin-bottom:2px}
.cred span{font-size:13px;color:var(--ink-3)}

/* -------- FAQ -------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  margin-bottom:12px;overflow:hidden;
}
.faq-q{
  padding:20px 24px;font-weight:500;color:var(--ink);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;font-size:16px;
}
.faq-q::after{content:"+";color:var(--brand);font-size:24px;font-weight:400;transition:transform .2s}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{padding:0 24px 20px;color:var(--ink-2);font-size:15px;display:none}
.faq-item.open .faq-a{display:block}

/* -------- CTA banner -------- */
.cta-banner{
  background:linear-gradient(135deg,var(--brand) 0%,#FF8A3D 100%);
  border-radius:20px;padding:60px 48px;color:#fff;text-align:center;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.15),transparent 50%);
}
.cta-banner > *{position:relative;z-index:1}
.cta-banner h2{font-size:32px;font-weight:600;margin-bottom:14px;letter-spacing:-.5px}
.cta-banner p{font-size:17px;opacity:.95;margin-bottom:28px}
.cta-banner .btn-primary{background:#fff;color:var(--brand-dark)}
.cta-banner .btn-primary:hover{background:#FFF8F0;color:var(--brand-dark)}

/* -------- Contact form -------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info h3{font-size:20px;margin-bottom:16px;color:var(--ink)}
.contact-info p{color:var(--ink-2);margin-bottom:24px}
.contact-info .info-item{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.contact-info .info-item .icon{
  width:40px;height:40px;flex-shrink:0;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.contact-info .info-item strong{display:block;color:var(--ink);font-size:14px;margin-bottom:2px}
.contact-info .info-item span{color:var(--ink-2);font-size:14px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:14px;color:var(--ink);margin-bottom:6px;font-weight:500}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;
  font-size:15px;font-family:inherit;color:var(--ink);background:#fff;
  transition:border-color .2s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,0,.12);
}
.form-group textarea{min-height:120px;resize:vertical}
.form-note{font-size:12px;color:var(--ink-3);margin-top:8px}

/* -------- Footer -------- */
.footer{background:var(--bg-dark);color:#94A3B8;padding:60px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer h5{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer ul{list-style:none}
.footer ul li{padding:5px 0;font-size:14px}
.footer a{color:#94A3B8;font-size:14px}
.footer a:hover{color:var(--brand)}
.footer-brand p{font-size:14px;line-height:1.7;margin-top:16px;max-width:320px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-text small{color:#64748B}
.footer-bottom{
  border-top:1px solid #1E293B;padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:#64748B;
}

/* -------- Page header (for inner pages) -------- */
.page-header{
  padding:80px 0 60px;
  background:linear-gradient(135deg,var(--brand-soft) 0%,#fff 100%);
  border-bottom:1px solid var(--line);
}
.page-header h1{font-size:44px;color:var(--ink);letter-spacing:-1px;margin-bottom:14px;font-weight:600}
.page-header p{font-size:18px;color:var(--ink-2);max-width:720px}
.breadcrumb{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand)}

/* -------- Responsive -------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:380px;margin:0 auto}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .trust .container{grid-template-columns:repeat(2,1fr);gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:640px){
  section{padding:60px 0}
  .hero{padding:60px 0 80px}
  .hero h1{font-size:36px}
  .section-title{font-size:28px}
  .page-header h1{font-size:32px}
  .grid-3,.grid-2,.grid-4,.pain-grid{grid-template-columns:1fr}
  .trust .container{grid-template-columns:1fr 1fr}
  /* 手机端 5 步流程:横向左右布局(圆圈+文字),避免单列大圆圈太占屏 */
  .steps{grid-template-columns:1fr;gap:12px}
  .step{
    display:grid;grid-template-columns:auto 1fr;align-items:center;
    gap:16px;text-align:left;
    background:#fff;border:1px solid var(--line);border-radius:12px;
    padding:14px 18px;
  }
  .step-num{
    width:44px;height:44px;font-size:18px;flex-shrink:0;margin:0;
    box-shadow:0 0 0 4px var(--brand-soft);grid-row:span 2;
  }
  .step h4{font-size:15px;margin-bottom:2px;text-align:left;grid-column:2}
  .step p{font-size:13px;text-align:left;grid-column:2}
  .form-row{grid-template-columns:1fr}
  .cta-banner{padding:40px 24px}
  .cta-banner h2{font-size:24px}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:16px;border-bottom:1px solid var(--line);gap:0}
  .nav.open{display:flex}
  .nav a{width:100%;padding:12px 16px}
  .mobile-toggle{display:block}
  .footer-grid{grid-template-columns:1fr}
  .compare th,.compare td{padding:12px;font-size:13px}
  /* 手机端隐藏 Hero 装饰卡片,避免小屏文字被压成竖排 */
  .hero-visual{display:none}
}