/* ============================================
   HHPoker 下载 — Sky/Light Blue Theme
   ============================================ */

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  line-height:1.6;
  color:#1e293b;
  background:#fff;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* --- Keyframes --- */
@keyframes skFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes card-sk{0%{transform:translateY(0);box-shadow:0 4px 6px -1px rgba(0,0,0,0.08)}100%{transform:translateY(-8px);box-shadow:0 20px 50px -12px rgba(14,165,233,0.25)}}
@keyframes skSlide{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@keyframes skPulse{0%,100%{box-shadow:0 0 0 0 rgba(14,165,233,0.35)}50%{box-shadow:0 0 0 16px rgba(14,165,233,0)}}

.sk-float{animation:skFloat 5s ease-in-out infinite}
.card-sk{transition:all 0.35s cubic-bezier(.4,0,.2,1);border:1px solid #e2e8f0;border-radius:12px}
.card-sk:hover{transform:translateY(-8px);box-shadow:0 20px 50px -12px rgba(14,165,233,0.25);border-color:#0ea5e9}
.faq-answer{animation:skSlide 0.3s ease-out}
.pulse-sk{animation:skPulse 2.5s ease-out infinite}

/* --- Navbar --- */
#navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:all 0.3s ease;
}
#navbar.shadow-md{
  box-shadow:0 4px 20px rgba(0,0,0,0.08);
  border-bottom-color:#e2e8f0;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
.nav-brand{
  display:flex;align-items:center;gap:10px;
  font-size:1.35rem;font-weight:700;color:#0284c7;
}
.nav-brand i{font-size:1.6rem;color:#0ea5e9}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{
  font-size:0.95rem;font-weight:500;color:#475569;
  position:relative;padding:4px 0;
  transition:color 0.25s;
}
.nav-links a:hover,.nav-links a.active{color:#0284c7}
.nav-links a::after{
  content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;
  background:#0ea5e9;border-radius:1px;
  transition:width 0.3s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{
  background:linear-gradient(135deg,#0ea5e9,#0284c7);
  color:#fff!important;padding:8px 22px!important;
  border-radius:24px;font-weight:600!important;
  transition:all 0.3s ease!important;
}
.nav-cta:hover{
  box-shadow:0 6px 20px rgba(14,165,233,0.4);
  transform:translateY(-2px);
}
.nav-cta::after{display:none!important}

/* Hamburger */
.hamburger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;padding:8px;
  z-index:1001;
}
.hamburger span{
  display:block;width:26px;height:2.5px;
  background:#0284c7;border-radius:2px;
  transition:all 0.3s ease;
}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Mobile Menu */
#mobileMenu{
  display:none;position:fixed;top:68px;left:0;right:0;bottom:0;
  background:rgba(255,255,255,0.98);
  backdrop-filter:blur(12px);
  z-index:999;flex-direction:column;align-items:center;
  justify-content:flex-start;padding-top:30px;gap:12px;
}
#mobileMenu a{
  display:block;font-size:1.15rem;font-weight:600;color:#334155;
  padding:14px 32px;border-radius:10px;
  transition:all 0.2s;
}
#mobileMenu a:hover,#mobileMenu a.active{
  background:rgba(14,165,233,0.1);color:#0284c7;
}
#mobileMenu .nav-cta{
  margin-top:10px;text-align:center;
}

@media(max-width:768px){
  .hamburger{display:flex}
  .nav-links{display:none}
  #mobileMenu{display:flex}
}

/* --- Hero (Split) --- */
.hero{
  background:linear-gradient(180deg,#f0f9ff 0%,#e0f2fe 40%,#fff 100%);
  padding:120px 0 80px;
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-100px;right:-150px;
  width:500px;height:500px;
  background:radial-gradient(circle,rgba(14,165,233,0.08) 0%,transparent 70%);
  border-radius:50%;
}
.hero-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;
  align-items:center;
}
.hero-content h1{
  font-size:2.8rem;font-weight:800;line-height:1.2;color:#0c4a6e;
  margin-bottom:18px;
}
.hero-content h1 span{color:#0ea5e9}
.hero-content p{
  font-size:1.08rem;color:#475569;line-height:1.75;
  margin-bottom:30px;max-width:480px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 30px;font-size:0.95rem;font-weight:600;
  border-radius:28px;border:none;cursor:pointer;
  transition:all 0.3s ease;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,#0ea5e9,#0284c7);
  color:#fff;box-shadow:0 4px 16px rgba(14,165,233,0.3);
}
.btn-primary:hover{box-shadow:0 8px 28px rgba(14,165,233,0.45);transform:translateY(-2px)}
.btn-outline{
  background:transparent;color:#0284c7;
  border:2px solid #0ea5e9;
}
.btn-outline:hover{background:#0ea5e9;color:#fff}
.hero-image{
  display:flex;justify-content:center;align-items:center;
}
.hero-image img{
  border-radius:16px;
  box-shadow:0 30px 60px -15px rgba(14,165,233,0.25);
}
@media(max-width:768px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-content p{margin-left:auto;margin-right:auto}
  .hero-btns{justify-content:center}
  .hero-content h1{font-size:2rem}
  .hero-image{order:-1}
  .hero-image img{max-width:320px}
}

/* --- Section Headers --- */
.section{
  padding:80px 0;
  position:relative;
}
.section-label{
  display:inline-block;font-size:0.8rem;font-weight:700;
  text-transform:uppercase;letter-spacing:0.08em;
  color:#0ea5e9;background:rgba(14,165,233,0.08);
  padding:6px 16px;border-radius:20px;margin-bottom:12px;
}
.section-title{
  font-size:2.2rem;font-weight:800;color:#0c4a6e;
  margin-bottom:14px;
}
.section-subtitle{
  font-size:1rem;color:#64748b;max-width:560px;
  margin:0 auto 48px;line-height:1.7;
}
.text-center{text-align:center}
.text-center .section-subtitle{margin-left:auto;margin-right:auto}
.bg-sky-50{background:#f0f9ff}
.bg-sky-100{background:#e0f2fe}

/* --- Features Grid --- */
.features-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.feature-card{
  background:#fff;padding:32px 26px;
  border-radius:14px;border:1px solid #e2e8f0;
  transition:all 0.35s cubic-bezier(.4,0,.2,1);
}
.feature-card:hover{
  transform:translateY(-8px);
  box-shadow:0 20px 50px -12px rgba(14,165,233,0.25);
  border-color:#0ea5e9;
}
.feature-icon{
  width:56px;height:56px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;color:#fff;
  background:linear-gradient(135deg,#0ea5e9,#0284c7);
  margin-bottom:18px;
}
.feature-card h3{font-size:1.15rem;font-weight:700;color:#0c4a6e;margin-bottom:8px}
.feature-card p{font-size:0.92rem;color:#64748b;line-height:1.65}
@media(max-width:768px){
  .features-grid{grid-template-columns:repeat(2,1fr);gap:16px}
}
@media(max-width:480px){
  .features-grid{grid-template-columns:1fr}
}

/* --- Stats --- */
.stats-section{
  background:linear-gradient(135deg,#0284c7,#0ea5e9);
  padding:60px 0;color:#fff;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;
}
.stat-item h3{font-size:2.4rem;font-weight:800;margin-bottom:6px}
.stat-item p{font-size:0.95rem;opacity:0.85;font-weight:500}
@media(max-width:768px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
}

/* --- Testimonials --- */
.testimonials-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.testimonial-card{
  background:#fff;padding:30px 24px;border-radius:14px;
  border:1px solid #e8f0fe;transition:all 0.35s ease;
}
.testimonial-card:hover{
  box-shadow:0 12px 40px -10px rgba(14,165,233,0.2);
  transform:translateY(-4px);
}
.testimonial-stars{color:#f59e0b;font-size:0.85rem;letter-spacing:2px;margin-bottom:12px}
.testimonial-text{font-size:0.93rem;color:#475569;line-height:1.7;margin-bottom:18px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-author img{width:44px;height:44px;border-radius:50%;background:#e0f2fe}
.testimonial-author strong{font-size:0.9rem;color:#0c4a6e}
.testimonial-author span{font-size:0.8rem;color:#94a3b8}
@media(max-width:768px){
  .testimonials-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
}

/* --- FAQ Accordion --- */
.faq-container{max-width:750px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid #e2e8f0;border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color 0.3s;
}
.faq-item:hover{border-color:#bae6fd}
.faq-toggle{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;background:none;border:none;cursor:pointer;
  font-size:1rem;font-weight:600;color:#0c4a6e;
  text-align:left;gap:12px;
}
.faq-icon{transition:transform 0.3s ease;font-size:0.8rem;color:#0ea5e9;flex-shrink:0}
.faq-answer{padding:0 22px 18px;font-size:0.92rem;color:#475569;line-height:1.7}
.faq-answer a{color:#0284c7;text-decoration:underline}

/* --- CTA --- */
.cta-section{
  background:linear-gradient(135deg,#0284c7 0%,#0ea5e9 100%);
  padding:70px 0;text-align:center;color:#fff;
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:-80px;right:-120px;
  width:400px;height:400px;
  background:radial-gradient(circle,rgba(255,255,255,0.1) 0%,transparent 70%);
  border-radius:50%;
}
.cta-section h2{font-size:2rem;font-weight:800;margin-bottom:14px}
.cta-section p{font-size:1.05rem;opacity:0.9;max-width:500px;margin:0 auto 28px;line-height:1.7}
.cta-section .btn-primary{
  background:#fff;color:#0284c7;
  box-shadow:0 6px 24px rgba(0,0,0,0.15);
}
.cta-section .btn-primary:hover{box-shadow:0 10px 32px rgba(0,0,0,0.2);transform:translateY(-2px)}

/* --- Footer --- */
.footer{
  background:#0c4a6e;color:#e2e8f0;padding:60px 0 30px;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand .nav-brand{color:#fff;margin-bottom:12px}
.footer-brand p{font-size:0.88rem;opacity:0.75;line-height:1.7;max-width:280px}
.footer-col h4{color:#fff;font-size:0.95rem;font-weight:700;margin-bottom:16px}
.footer-col a{
  display:block;font-size:0.88rem;opacity:0.7;padding:5px 0;
  transition:all 0.2s;
}
.footer-col a:hover{opacity:1;color:#38bdf8;padding-left:4px}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,0.1);
  text-align:center;font-size:0.82rem;opacity:0.6;
}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
}

/* --- Page Hero Sub-header --- */
.page-hero{
  background:linear-gradient(180deg,#f0f9ff 0%,#e0f2fe 60%,#fff 100%);
  padding:120px 0 60px;text-align:center;
}
.page-hero h1{font-size:2.4rem;font-weight:800;color:#0c4a6e}
.page-hero .section-subtitle{margin-top:10px}

/* --- About Page --- */
.about-story .about-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
}
.about-story h2{font-size:1.8rem;font-weight:800;color:#0c4a6e;margin-bottom:16px}
.about-story p{color:#475569;line-height:1.8;margin-bottom:14px;font-size:0.96rem}
.about-story img{border-radius:14px;box-shadow:0 20px 50px -12px rgba(14,165,233,0.2)}
@media(max-width:768px){
  .about-story .about-grid{grid-template-columns:1fr}
  .about-story img{max-width:360px;margin:0 auto}
}

.mission-box{
  background:linear-gradient(135deg,#f0f9ff,#e0f2fe);
  border-left:4px solid #0ea5e9;border-radius:0 12px 12px 0;
  padding:24px 28px;margin:24px 0;
}
.mission-box p{font-size:1.05rem;color:#0c4a6e;font-weight:500;line-height:1.7}

.team-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.team-card{
  background:#fff;padding:28px 16px;border-radius:14px;
  text-align:center;border:1px solid #e2e8f0;
  transition:all 0.35s ease;
}
.team-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px -10px rgba(14,165,233,0.2);border-color:#0ea5e9}
.team-card img{width:80px;height:80px;border-radius:50%;margin:0 auto 14px;background:#e0f2fe}
.team-card h4{font-size:1rem;font-weight:700;color:#0c4a6e;margin-bottom:4px}
.team-card span{font-size:0.82rem;color:#64748b}
@media(max-width:768px){
  .team-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .team-grid{grid-template-columns:1fr;max-width:280px;margin:0 auto}
}

/* --- Contact Page --- */
.contact-grid{
  display:grid;grid-template-columns:1.2fr 0.8fr;gap:40px;
}
.contact-form-card{
  background:#fff;padding:36px;border-radius:14px;
  border:1px solid #e2e8f0;box-shadow:0 4px 16px rgba(0,0,0,0.04);
}
.contact-form-card h2{font-size:1.4rem;font-weight:700;color:#0c4a6e;margin-bottom:22px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:0.88rem;font-weight:600;color:#334155;margin-bottom:6px}
.form-group input,.form-group textarea{
  width:100%;padding:12px 16px;border:1.5px solid #e2e8f0;
  border-radius:10px;font-size:0.93rem;font-family:inherit;
  transition:border-color 0.3s,box-shadow 0.3s;
  outline:none;background:#f8fafc;
}
.form-group input:focus,.form-group textarea:focus{
  border-color:#0ea5e9;
  box-shadow:0 0 0 3px rgba(14,165,233,0.12);
  background:#fff;
}
.form-group textarea{min-height:120px;resize:vertical}

.contact-info-sidebar h2{font-size:1.4rem;font-weight:700;color:#0c4a6e;margin-bottom:22px}
.info-card{
  background:#f0f9ff;padding:22px;border-radius:12px;
  display:flex;align-items:flex-start;gap:14px;margin-bottom:16px;
}
.info-card i{font-size:1.25rem;color:#0ea5e9;margin-top:2px;flex-shrink:0}
.info-card h4{font-size:0.92rem;font-weight:700;color:#0c4a6e;margin-bottom:4px}
.info-card p{font-size:0.88rem;color:#475569;line-height:1.6}
@media(max-width:768px){
  .contact-grid{grid-template-columns:1fr}
}

/* --- Features Page Expanded --- */
.feature-detail-card{
  background:#fff;padding:30px;border-radius:14px;
  border:1px solid #e2e8f0;
  display:flex;gap:24px;align-items:flex-start;
  transition:all 0.35s ease;
}
.feature-detail-card:hover{
  box-shadow:0 16px 40px -10px rgba(14,165,233,0.2);
  border-color:#0ea5e9;transform:translateY(-4px);
}
.feature-detail-icon{
  width:60px;height:60px;border-radius:14px;
  background:linear-gradient(135deg,#0ea5e9,#0284c7);
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;color:#fff;flex-shrink:0;
}
.feature-detail-info h3{font-size:1.1rem;font-weight:700;color:#0c4a6e;margin-bottom:6px}
.feature-detail-info p{font-size:0.9rem;color:#64748b;line-height:1.7}
@media(max-width:480px){
  .feature-detail-card{flex-direction:column;text-align:center}
  .feature-detail-icon{margin:0 auto}
}

/* --- Scroll To Top --- */
.scroll-top{
  position:fixed;bottom:30px;right:30px;
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,#0ea5e9,#0284c7);
  color:#fff;border:none;cursor:pointer;font-size:1.1rem;
  box-shadow:0 4px 16px rgba(14,165,233,0.35);
  opacity:0;visibility:hidden;
  transition:all 0.3s ease;z-index:900;
}
.scroll-top.show{opacity:1;visibility:visible}
.scroll-top:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(14,165,233,0.45)}

/* --- Utility --- */
.hidden{display:none!important}
.bg-white{background:#fff}