/* =======================================================
   cloud-waf.css — 360云WAF 产品页 (2026版) 美化版
   设计规范：白底简约 / 360品牌色 / 纯HTML+CSS
   ======================================================= */

/* ===========================
   CSS Variables
   =========================== */
:root {
  --waf-brand: #045297;
  --waf-brand-dark: #022854;
  --waf-brand-light: #f0f7ff;
  --waf-brand-accent: #0a9ece;
  --waf-orange: #ff6b35;
  --waf-green: #00c896;
  --waf-purple: #8b5cf6;
  --waf-teal: #06b6d4;
}

/* ===========================
   Hero Section
   =========================== */
.waf-hero {
  background: linear-gradient(135deg, var(--waf-brand-dark) 0%, var(--waf-brand) 50%, #04529799 100%);
  min-height: 600px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}
.waf-hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.waf-hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}
.waf-hero-glow-1 {
  width: 500px;
  height: 500px;
  background: var(--waf-brand-accent);
  top: -100px;
  right: -100px;
}
.waf-hero-glow-2 {
  width: 400px;
  height: 400px;
  background: var(--waf-brand);
  bottom: -150px;
  left: 10%;
}
.waf-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 40px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.waf-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--waf-brand-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}
.waf-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 8px;
}
.waf-hero-title-sub {
  font-size: 18px;
  color: var(--waf-brand-accent);
  font-weight: 500;
  letter-spacing: 4px;
  margin-bottom: 20px;
}
.waf-hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  line-height: 1.9;
  margin-bottom: 32px;
  max-width: 540px;
}
.waf-hero-desc .highlight {
  color: var(--waf-brand-accent);
  font-weight: 600;
}
.waf-hero-btns {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.waf-btn-primary {
  background: #fff;
  color: var(--waf-brand);
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.waf-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.waf-btn-secondary {
  background: transparent;
  color: #fff;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.4);
  transition: all 0.3s ease;
}
.waf-btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}
.waf-hero-features {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  align-items: center;
}
.waf-hero-features .divider {
  color: rgba(255,255,255,0.3);
}

/* Hero Visual */
.waf-hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}
.waf-shield-wrap {
  position: relative;
  width: 320px;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.waf-shield-ring1, .waf-shield-ring2, .waf-shield-ring3 {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(10,158,206,0.2);
  animation: ring-rotate 20s linear infinite;
}
.waf-shield-ring1 { width: 280px; height: 280px; }
.waf-shield-ring2 { width: 320px; height: 320px; animation-direction: reverse; animation-duration: 30s; }
.waf-shield-ring3 { width: 360px; height: 360px; border-style: dashed; animation-duration: 40s; }
@keyframes ring-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.waf-shield-core {
  width: 160px;
  height: 180px;
  background: linear-gradient(145deg, var(--waf-brand) 0%, var(--waf-brand-dark) 100%);
  clip-path: polygon(50% 0%, 100% 28%, 100% 72%, 50% 100%, 0% 72%, 0% 28%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 0 60px rgba(10,158,206,0.4), inset 0 2px 0 rgba(255,255,255,0.1);
  position: relative;
  z-index: 2;
  animation: shield-float 4s ease-in-out infinite;
}
@keyframes shield-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.waf-shield-core svg.shield-icon {
  width: 60px;
  height: 60px;
  fill: #fff;
}
.waf-shield-particles {
  position: absolute;
  inset: 0;
  z-index: 3;
}
.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--waf-brand-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--waf-brand-accent);
}
.p1 { top: 10%; left: 50%; animation: particle-orbit 8s linear infinite; }
.p2 { top: 25%; right: 5%; animation: particle-orbit 10s linear infinite reverse; }
.p3 { bottom: 30%; right: 0; animation: particle-orbit 12s linear infinite; }
.p4 { bottom: 10%; left: 50%; animation: particle-orbit 9s linear infinite reverse; }
.p5 { bottom: 30%; left: 0; animation: particle-orbit 11s linear infinite; }
.p6 { top: 25%; left: 5%; animation: particle-orbit 7s linear infinite reverse; }
@keyframes particle-orbit {
  0% { transform: rotate(0deg) translateX(120px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
}
.waf-hero-stats {
  display: flex;
  gap: 40px;
}
.hero-stat {
  text-align: center;
  color: #fff;
}
.hero-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--waf-brand-accent);
}
.hero-stat span {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

/* ===========================
   Section Base
   =========================== */
.waf-section {
  padding: 100px 0;
}
.waf-section-dark {
  background: linear-gradient(180deg, var(--waf-brand-dark) 0%, #011a3d 100%);
}
.waf-bg-light {
  background: var(--waf-brand-light);
}
.waf-section-header {
  margin-bottom: 60px;
}
.waf-section-tag {
  display: inline-block;
  background: var(--waf-brand-light);
  color: var(--waf-brand);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.waf-section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 16px;
}
.waf-section-title span {
  color: var(--waf-brand);
}
.waf-section-dark .waf-section-title {
  color: #fff;
}
.waf-section-dark .waf-section-title span {
  color: var(--waf-brand-accent);
}
.waf-section-desc {
  font-size: 16px;
  color: var(--neutral-500);
  max-width: 600px;
  line-height: 1.8;
}
.waf-section-dark .waf-section-desc {
  color: rgba(255,255,255,0.7);
}
.text-center {
  text-align: center;
}
.text-center .waf-section-desc {
  margin: 0 auto;
}

/* ===========================
   Capabilities — 5大防护
   =========================== */
.waf-cap-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.waf-cap-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.waf-cap-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--waf-brand-accent), var(--waf-brand));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.waf-cap-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.waf-cap-card:hover::before {
  opacity: 1;
}
.waf-cap-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--waf-brand-accent), var(--waf-brand));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.waf-cap-icon.blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.waf-cap-icon.orange { background: linear-gradient(135deg, var(--waf-orange), #ea580c); }
.waf-cap-icon.green { background: linear-gradient(135deg, var(--waf-green), #059669); }
.waf-cap-icon.purple { background: linear-gradient(135deg, var(--waf-purple), #7c3aed); }
.waf-cap-icon svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}
.waf-cap-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.waf-cap-card p {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 16px;
}
.waf-cap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}
.waf-cap-tags span {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
}

/* ===========================
   Compliance Section
   =========================== */
.waf-compliance-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.waf-compliance-main {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.waf-compliance-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--neutral-200);
  transition: all 0.3s ease;
}
.waf-compliance-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}
.waf-compliance-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--waf-brand-accent), var(--waf-brand));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.waf-compliance-icon.blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.waf-compliance-icon.green { background: linear-gradient(135deg, var(--waf-green), #059669); }
.waf-compliance-icon svg { width: 28px; height: 28px; fill: #fff; }
.waf-compliance-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 12px;
}
.waf-compliance-card p {
  font-size: 14px;
  color: var(--neutral-500);
  line-height: 1.7;
}
.waf-compliance-scope {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--neutral-200);
}
.waf-compliance-scope h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 20px;
}
.waf-industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.waf-industry-tags span {
  background: var(--waf-brand-light);
  color: var(--waf-brand);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}
.waf-industry-tags span:hover {
  background: var(--waf-brand);
  color: #fff;
}

/* Compliance Table */
.waf-compliance-table-wrap {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--neutral-200);
}
.waf-table-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.title-icon {
  font-size: 24px;
}
.waf-table-scroll {
  overflow-x: auto;
}
.waf-compliance-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 800px;
}
.waf-compliance-table th,
.waf-compliance-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--neutral-200);
}
.waf-compliance-table th {
  background: var(--waf-brand-light);
  color: var(--waf-brand);
  font-weight: 600;
  font-size: 14px;
}
.waf-compliance-table td {
  font-size: 14px;
  color: var(--neutral-700);
  line-height: 1.6;
}
.waf-compliance-table tr:hover td {
  background: var(--waf-brand-light);
}
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}
.tag-blue { background: #dbeafe; color: #1d4ed8; }
.tag-orange { background: #ffedd5; color: #ea580c; }
.tag-green { background: #d1fae5; color: #059669; }
.tag-purple { background: #ede9fe; color: #7c3aed; }

/* ===========================
   User Cards
   =========================== */
.waf-user-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.waf-user-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--neutral-200);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}
.waf-user-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
  border-color: var(--waf-brand);
}
.waf-user-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--waf-brand-light), #fff);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--waf-brand);
}
.waf-user-icon.blue { border-color: #3b82f6; background: linear-gradient(135deg, #dbeafe, #fff); }
.waf-user-icon.green { border-color: var(--waf-green); background: linear-gradient(135deg, #d1fae5, #fff); }
.waf-user-icon.purple { border-color: var(--waf-purple); background: linear-gradient(135deg, #ede9fe, #fff); }
.waf-user-icon svg { width: 36px; height: 36px; fill: var(--waf-brand); }
.waf-user-icon.blue svg { fill: #3b82f6; }
.waf-user-icon.green svg { fill: var(--waf-green); }
.waf-user-icon.purple svg { fill: var(--waf-purple); }
.waf-user-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 12px;
}
.waf-user-card p {
  font-size: 13px;
  color: var(--neutral-500);
  line-height: 1.7;
  margin-bottom: 16px;
}
.waf-user-tag {
  display: inline-block;
  background: var(--waf-brand-light);
  color: var(--waf-brand);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* ===========================
   Events Timeline
   =========================== */
.waf-events-timeline {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 20px 0;
}
.timeline-item {
  text-align: center;
  min-width: 120px;
}
.timeline-year {
  font-size: 32px;
  font-weight: 700;
  color: var(--waf-brand-accent);
  margin-bottom: 12px;
}
.timeline-content {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.event-tag {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
}
.event-tag:hover {
  background: var(--waf-brand-accent);
  border-color: var(--waf-brand-accent);
}

/* ===========================
   Attack Grid
   =========================== */
.waf-attack-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.waf-attack-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--neutral-200);
  transition: all 0.3s ease;
}
.waf-attack-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}
.waf-attack-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.waf-attack-icon.sql { background: linear-gradient(135deg, #ef4444, #dc2626); }
.waf-attack-icon.xss { background: linear-gradient(135deg, #f59e0b, #d97706); }
.waf-attack-icon.crawl { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.waf-attack-icon.cc { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.waf-attack-icon.ddos { background: linear-gradient(135deg, #ec4899, #db2777); }
.waf-attack-icon::after {
  content: '';
  width: 24px;
  height: 24px;
  background: #fff;
  mask-size: contain;
  -webkit-mask-size: contain;
}
.waf-attack-icon.sql::after { mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4z'/%3E%3C/svg%3E"); }
.waf-attack-icon.xss::after { mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z'/%3E%3C/svg%3E"); }
.waf-attack-icon.crawl::after { mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2z'/%3E%3C/svg%3E"); }
.waf-attack-icon.cc::after { mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M19.35 10.04C18.67 6.59 15.64 4 12 4 9.11 4 6.6 5.64 5.35 8.04 2.34 8.36 0 10.91 0 14c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z'/%3E%3C/svg%3E"); }
.waf-attack-icon.ddos::after { mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2L4 5v6.09c0 5.05 3.41 9.76 8 10.91 4.59-1.15 8-5.86 8-10.91V5l-8-3z'/%3E%3C/svg%3E"); }
.waf-attack-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 10px;
}
.waf-attack-card p {
  font-size: 12px;
  color: var(--neutral-500);
  line-height: 1.6;
}

/* ===========================
   Architecture Flow
   =========================== */
.waf-arch-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 50px 0;
  margin-bottom: 60px;
}
.arch-node {
  text-align: center;
}
.arch-node.user .arch-icon,
.arch-node.server .arch-icon {
  width: 80px;
  height: 80px;
  background: #fff;
  border: 3px solid var(--waf-brand);
  border-radius: 20px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(4,82,151,0.15);
}
.arch-node.user .arch-icon svg,
.arch-node.server .arch-icon svg {
  width: 40px;
  height: 40px;
  fill: var(--waf-brand);
}
.arch-node.server .arch-icon.server-icon {
  background: var(--waf-brand-light);
}
.arch-node.user span,
.arch-node.server span {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--neutral-800);
  text-align: center;
}
.arch-node.server small {
  display: block;
  font-size: 12px;
  color: var(--waf-green);
  margin-top: 4px;
  text-align: center;
}
.arch-node.waf {
  background: linear-gradient(135deg, var(--waf-brand), var(--waf-brand-dark));
  padding: 30px 40px;
  border-radius: 20px;
  color: #fff;
  box-shadow: 0 10px 40px rgba(4,82,151,0.3);
  text-align: center;
}
.arch-shield {
  width: 60px;
  height: 70px;
  background: #fff;
  clip-path: polygon(50% 0%, 100% 28%, 100% 72%, 50% 100%, 0% 72%, 0% 28%);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.arch-shield svg {
  width: 30px;
  height: 30px;
  fill: var(--waf-brand);
}
.arch-node.waf strong {
  display: block;
  font-size: 18px;
  margin-bottom: 12px;
}
.arch-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.arch-features span {
  background: rgba(255,255,255,0.2);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
}
.arch-arrow {
  display: flex;
  align-items: center;
}
.arrow-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--waf-brand), var(--waf-brand-accent));
  position: relative;
}
.arrow-head {
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 12px solid var(--waf-brand-accent);
}

/* Advantage Grid */
.waf-advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.waf-advantage-item {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--neutral-200);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.waf-advantage-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}
.waf-advantage-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 10px;
  text-align: center;
  width: 100%;
}
.waf-advantage-item p {
  font-size: 13px;
  color: var(--neutral-500);
  line-height: 1.7;
  text-align: center;
  width: 100%;
}
.waf-advantage-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.waf-advantage-icon svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}
.waf-advantage-icon.orange { background: linear-gradient(135deg, var(--waf-orange), #ea580c); }
.waf-advantage-icon.blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.waf-advantage-icon.green { background: linear-gradient(135deg, var(--waf-green), #059669); }
.waf-advantage-icon.teal { background: linear-gradient(135deg, var(--waf-teal), #0891b2); }

/* ===========================
   Steps Grid
   =========================== */
.waf-steps-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 40px 0;
}
.waf-step {
  text-align: center;
  max-width: 200px;
  position: relative;
}
.waf-step-num {
  font-size: 48px;
  font-weight: 700;
  color: var(--waf-brand-light);
  line-height: 1;
  margin-bottom: 8px;
}
.waf-step-circle {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  background: #fff;
  border: 3px solid var(--waf-brand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(4,82,151,0.15);
  transition: all 0.3s ease;
}
.waf-step:hover .waf-step-circle {
  background: var(--waf-brand);
  transform: scale(1.1);
}
.waf-step:hover .waf-step-circle svg {
  fill: #fff;
}
.waf-step-circle svg {
  width: 36px;
  height: 36px;
  fill: var(--waf-brand);
  transition: fill 0.3s ease;
}
.waf-step h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 8px;
}
.waf-step p {
  font-size: 13px;
  color: var(--neutral-500);
  line-height: 1.6;
}
.waf-step-line {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--waf-brand), var(--waf-brand-accent));
  margin: 0 20px;
  margin-bottom: 80px;
  position: relative;
}
.waf-step-line::after {
  content: '';
  position: absolute;
  right: -8px;
  top: -4px;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 10px solid var(--waf-brand-accent);
}

/* ===========================
   CTA Section
   =========================== */
.waf-cta-section {
  background: linear-gradient(135deg, var(--waf-brand-dark) 0%, var(--waf-brand) 50%, var(--waf-brand-dark) 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.waf-cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}
.waf-cta-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.waf-cta-content p {
  font-size: 20px;
  color: var(--waf-brand-accent);
  margin-bottom: 40px;
}
.waf-cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 32px;
}
.waf-btn-cta-primary {
  background: #fff;
  color: var(--waf-brand);
  padding: 16px 36px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.waf-btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.waf-btn-cta-secondary {
  background: transparent;
  color: #fff;
  padding: 16px 36px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  border: 2px solid rgba(255,255,255,0.4);
  transition: all 0.3s ease;
}
.waf-btn-cta-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}
.waf-cta-features {
  display: flex;
  gap: 32px;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

/* ===========================
   Reveal Animation
   =========================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   Events Logos Grid - 上5下6 不对称布局
   =========================== */
.waf-events-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  margin-bottom: 24px;
}
.waf-events-row2 {
  margin-bottom: 0;
}
.event-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.3s ease;
}
.event-logo:hover {
  transform: translateY(-8px);
}
.event-logo-img {
  width: 110px;
  height: 110px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}
.event-logo:hover .event-logo-img {
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
  transform: scale(1.05);
}
.event-logo-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.event-logo-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}
.event-logo small {
  font-size: 12px;
  color: var(--waf-brand-accent);
  font-weight: 500;
}

@media (max-width: 900px) {
  .waf-events-logos { gap: 24px; }
  .event-logo-img { width: 90px; height: 90px; }
}
@media (max-width: 600px) {
  .waf-events-logos { gap: 16px; }
  .event-logo-img { width: 70px; height: 70px; }
  .event-logo-name { font-size: 12px; }
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1200px) {
  .waf-cap-grid { grid-template-columns: repeat(3, 1fr); }
  .waf-attack-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .waf-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .waf-hero-visual { display: none; }
  .waf-compliance-main { grid-template-columns: 1fr; }
  .waf-user-grid { grid-template-columns: repeat(2, 1fr); }
  .waf-advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .waf-steps-grid { flex-wrap: wrap; gap: 40px; }
  .waf-step-line { display: none; }
}
@media (max-width: 768px) {
  .waf-section { padding: 60px 0; }
  .waf-cap-grid { grid-template-columns: 1fr 1fr; }
  .waf-attack-grid { grid-template-columns: 1fr 1fr; }
  .waf-arch-flow { flex-direction: column; gap: 20px; }
  .arch-arrow { transform: rotate(90deg); }
  .waf-events-timeline { gap: 16px; }
  .timeline-item { min-width: 80px; }
  .timeline-year { font-size: 24px; }
}
@media (max-width: 600px) {
  .waf-cap-grid { grid-template-columns: 1fr; }
  .waf-user-grid { grid-template-columns: 1fr; }
  .waf-attack-grid { grid-template-columns: 1fr; }
  .waf-advantage-grid { grid-template-columns: 1fr; }
  .waf-hero-btns { flex-direction: column; }
  .waf-cta-btns { flex-direction: column; align-items: center; }
  .waf-cta-features { flex-direction: column; gap: 12px; }
}

/* ===========================
   弹窗通用样式（与首页共享）
   =========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(2,45,84,.6);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.modal-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(10,158,206,.12) 0%, transparent 60%);
  pointer-events: none;
}
.modal-panel {
  position: relative;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(2,45,84,.25), 0 8px 32px rgba(2,45,84,.15);
  width: 100%;
  max-width: 520px;
  max-height: 92dvh;
  overflow-y: auto;
  padding: 40px;
  transform: translateY(32px) scale(.97);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  scrollbar-width: thin;
  scrollbar-color: #cdd5e0 transparent;
}
.modal-overlay.open .modal-panel {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f1f5f9;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  transition: all 0.2s ease;
  z-index: 2;
}
.modal-close:hover { background: #e2e8f0; color: #1e293b; }
.modal-close svg { width: 18px; height: 18px; }
.modal-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
  padding-right: 32px;
}
.modal-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--brand-primary, #045297);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(4,82,151,.3);
}
.modal-icon svg { width: 26px; height: 26px; color: #fff; }
.modal-titles { flex: 1; }
.modal-title {
  font-size: 22px;
  font-weight: 700;
  color: #022d54;
  margin-bottom: 4px;
}
.modal-subtitle { font-size: 13px; color: #64748b; line-height: 1.6; }
.modal-field { margin-bottom: 20px; }
.modal-field label { display: block; font-size: 13px; font-weight: 500; color: #374151; margin-bottom: 8px; }
.required { color: #e53e3e; margin-left: 2px; }
.modal-field input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  color: #111827;
  background: #f9fafb;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  box-sizing: border-box;
}
.modal-field input::placeholder { color: #9ca3af; }
.modal-field input:focus {
  border-color: var(--brand-primary, #045297);
  box-shadow: 0 0 0 3px rgba(4,82,151,.1);
  background: #fff;
}


.modal-field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--neutral-300);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--neutral-900);
  background: var(--neutral-100);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.modal-field textarea::placeholder { color: var(--neutral-500); }
.modal-field textarea:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(4,82,151,.1);
  background: #fff;
}
.modal-field.error textarea {
  border-color: #e53e3e;
  box-shadow: 0 0 0 3px rgba(229,62,62,.1);
  background: #fff;
}


.modal-field.error input { border-color: #e53e3e; box-shadow: 0 0 0 3px rgba(229,62,62,.1); background: #fff; }
.field-error { display: block; font-size: 12px; color: #e53e3e; margin-top: 6px; min-height: 16px; }
.modal-submit-row { margin-top: 28px; }
.modal-submit-btn {
  width: 100%;
  padding: 15px;
  background: var(--brand-primary, #045297);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(4,82,151,.3);
  transition: all 0.2s ease;
}
.modal-submit-btn:hover:not(:disabled) {
  background: #022d54;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(4,82,151,.4);
}
.modal-submit-btn:disabled { opacity: .7; cursor: not-allowed; transform: none; }
@keyframes geo-spin { to { transform: rotate(360deg); } }
.modal-submit-btn .spin-icon { animation: geo-spin .8s linear infinite; }
.modal-privacy { font-size: 11px; color: #9ca3af; text-align: center; margin-top: 12px; line-height: 1.6; }
.modal-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 0 8px;
  gap: 16px;
}
.modal-success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #ecfdf5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-success-icon svg { width: 40px; height: 40px; color: #10b981; }
.modal-success h3 { font-size: 22px; font-weight: 700; color: #022d54; }
.modal-success p { font-size: 14px; color: #4b5563; line-height: 1.8; max-width: 360px; }
.modal-success strong { color: var(--brand-primary, #045297); }
.modal-success-close {
  padding: 12px 32px;
  background: var(--brand-primary, #045297);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 8px;
}
.modal-success-close:hover { background: #022d54; }
@media (max-width: 480px) {
  .modal-panel { padding: 28px 24px; }
  .modal-title { font-size: 20px; }
}