/* Angel Visa Services 天使签证服务 — shared stylesheet */
:root{
  --primary:#0f3b5f;
  --primary-dark:#0a2a45;
  --accent:#c8102e;
  --accent-dark:#a50d26;
  --gold:#c9a227;
  --bg:#ffffff;
  --bg-alt:#f5f8fb;
  --text:#22303c;
  --muted:#5d6f80;
  --line:#e3e9f0;
  --radius:12px;
  --shadow:0 6px 24px rgba(15,59,95,.08);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);line-height:1.75;background:var(--bg);font-size:16px}
img{max-width:100%}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Placeholder marker — replace with real info before launch */
.ph{background:#fff3bf;border-bottom:2px dashed #e0a800;padding:0 4px;border-radius:4px;font-weight:700;white-space:nowrap}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(15,59,95,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--primary)}
.brand .logo-mark{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#e74c3c);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:900}
.brand small{display:block;font-size:.68rem;color:var(--muted);font-weight:400;letter-spacing:.05em}
.nav-toggle{display:none}
.nav-links{display:flex;gap:4px;align-items:center;list-style:none}
.nav-links a{padding:10px 14px;border-radius:8px;color:var(--text);font-size:.95rem}
.nav-links a:hover{background:var(--bg-alt);color:var(--accent)}
.nav-links a.active{color:var(--accent);font-weight:700}
.lang-switch{border:1px solid var(--line);border-radius:20px;padding:6px 14px!important;font-size:.85rem!important;color:var(--primary)!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2.5px;background:var(--primary);border-radius:2px}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(120deg,var(--primary-dark) 0%,var(--primary) 60%,#155a8a 100%);color:#fff;padding:72px 0 64px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,39,.25),transparent 70%)}
.hero h1{font-size:2.1rem;line-height:1.4;margin-bottom:14px;letter-spacing:.02em}
.hero h1 .hl{color:#ffd978}
.hero p.lead{font-size:1.08rem;color:#d7e4f0;max-width:640px;margin-bottom:28px}
.btn{display:inline-block;padding:13px 32px;border-radius:30px;font-weight:700;font-size:1rem;cursor:pointer;border:none;transition:transform .15s,box-shadow .15s}
.btn-red{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(200,16,46,.35)}
.btn-red:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6);margin-left:12px}
.btn-ghost:hover{border-color:#fff;color:#fff}
.hero-ctas{display:flex;flex-wrap:wrap;gap:4px}
.hero-note{margin-top:18px;font-size:.85rem;color:#a9c2d8}

/* ---------- Trust bar ---------- */
.trustbar{background:#fff;border-bottom:1px solid var(--line);padding:18px 0}
.trustbar .container{display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:center}
.trust-item{display:flex;align-items:center;gap:8px;font-size:.93rem;color:var(--primary);font-weight:600}
.trust-item .tick{width:24px;height:24px;border-radius:50%;background:#e8f5e9;color:#1b7a3d;display:flex;align-items:center;justify-content:center;font-weight:900}

/* ---------- Sections ---------- */
section{padding:64px 0}
section.alt{background:var(--bg-alt)}
.sec-title{text-align:center;font-size:1.7rem;color:var(--primary);margin-bottom:10px}
.sec-sub{text-align:center;color:var(--muted);max-width:680px;margin:0 auto 40px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;box-shadow:var(--shadow);position:relative}
.step .num{width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;font-size:1.4rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h3{color:var(--primary);margin-bottom:8px;font-size:1.12rem}
.step p{color:var(--muted);font-size:.94rem}

/* Service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:transform .15s}
.card:hover{transform:translateY(-4px)}
.card .icon{font-size:2rem;margin-bottom:10px}
.card h3{color:var(--primary);font-size:1.08rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.92rem}
.card .price{margin-top:12px;font-weight:700;color:var(--accent)}

/* Why us */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.why{background:#fff;border-left:4px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:24px;box-shadow:var(--shadow)}
.why h3{color:var(--primary);margin-bottom:6px;font-size:1.05rem}
.why p{color:var(--muted);font-size:.93rem}

/* Testimonials */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);font-size:.93rem}
.quote .stars{color:var(--gold);letter-spacing:2px;margin-bottom:10px}
.quote footer{margin-top:14px;color:var(--muted);font-size:.85rem}
.quote .tbd{font-size:.78rem;color:#a07c00;background:#fff8e1;border-radius:4px;padding:2px 8px}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;padding:18px 22px;box-shadow:var(--shadow)}
.faq-list summary{cursor:pointer;font-weight:700;color:var(--primary);font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-size:1.4rem;color:var(--accent);flex-shrink:0}
.faq-list details[open] summary::after{content:"–"}
.faq-list details p,.faq-list details ul{margin-top:12px;color:var(--muted);font-size:.95rem}
.faq-list details ul{padding-left:20px}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--accent-dark),var(--accent));color:#fff;text-align:center;padding:56px 20px;border-radius:18px;margin:0 20px}
.cta-band h2{font-size:1.6rem;margin-bottom:10px}
.cta-band p{color:#ffd9de;margin-bottom:24px}
.cta-band .btn-ghost{border-color:#fff}

/* Contact info cards */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:40px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center;box-shadow:var(--shadow)}
.contact-card .icon{font-size:2rem;margin-bottom:8px}
.contact-card h3{color:var(--primary);margin-bottom:6px}
.contact-card p{color:var(--muted);font-size:.95rem}

/* Forms */
.form-wrap{max-width:640px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-weight:700;margin-bottom:6px;color:var(--primary);font-size:.95rem}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-family:var(--font);font-size:1rem}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,59,95,.1)}
.form-note{font-size:.85rem;color:var(--muted);margin-top:14px}
.form-success{display:none;background:#e8f5e9;border:1px solid #a5d6a7;border-radius:var(--radius);padding:28px;text-align:center;color:#1b5e20}

/* Coverage list */
.coverage{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
.coverage span{background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px 18px;font-size:.9rem;color:var(--primary);box-shadow:var(--shadow)}

/* ---------- Footer ---------- */
footer{background:var(--primary-dark);color:#c8d8e8;padding:48px 0 90px;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
footer h4{color:#fff;margin-bottom:12px;font-size:1rem}
footer ul{list-style:none}
footer li{margin-bottom:8px}
footer a{color:#c8d8e8}
footer a:hover{color:#fff}
.disclaimer{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:20px 22px;font-size:.83rem;color:#a9c2d8;line-height:1.7}
.disclaimer strong{color:#ffd978}
.copyright{text-align:center;margin-top:28px;font-size:.8rem;color:#7e96ad}

/* Mobile floating CTA */
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:99;background:#fff;border-top:1px solid var(--line);padding:10px 16px;box-shadow:0 -4px 16px rgba(0,0,0,.08)}
.mobile-cta .btn{flex:1;text-align:center;padding:11px 0;font-size:.95rem}
.mobile-cta{display:none;gap:10px}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .steps,.cards,.quotes,.why-grid,.contact-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:1.7rem}
  .hamburger{display:flex}
  .nav-links{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-bottom:1px solid var(--line);display:none;box-shadow:0 12px 24px rgba(0,0,0,.08)}
  .nav-toggle:checked ~ .nav-links{display:flex}
  .nav-links a{padding:12px 8px;border-bottom:1px solid var(--bg-alt)}
}
@media(max-width:560px){
  .steps,.cards,.quotes,.why-grid,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  section{padding:44px 0}
  .hero{padding:52px 0 44px}
  .hero h1{font-size:1.5rem}
  .mobile-cta{display:flex}
  footer{padding-bottom:120px}
  .form-wrap{padding:24px 20px}
}