*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --blue: #00e5ff;
  --purple: #b65eff;
  --red: #ff3a5e;
  --green: #5effa0;
  --bg: #0a0c12;
  --card: #141a26;
  --card-2: #0f1520;
  --text: #e6edf3;
  --text-2: #8d9fb9;
  --text-3: #5f7188;
  --line: rgba(0, 229, 255, 0.12);
  --line-2: rgba(0, 229, 255, 0.35);
  --nav-h: 72px;
}

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); -webkit-text-size-adjust: 100%; }
html:not(.ky) body {
          filter: blur(10px);
          -webkit-filter: blur(10px);
        }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-width: 320px;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #0e121c; }
::-webkit-scrollbar-thumb { background: #2a3a5e; border-radius: 10px; }

.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
}
.bg-scan {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(0, 229, 255, 0.012) 3px, transparent 4px);
  animation: scanMove 14s linear infinite;
}
@keyframes scanMove { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 2; }

.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 1000;
  background: rgba(10, 12, 18, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: 100%; max-width: 1280px; margin: 0 auto; height: 100%; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.35rem; letter-spacing: -0.3px; flex-shrink: 1; min-width: 0; }
.logo-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, #0055ff, #00e5ff);
  color: #0a0c12; font-weight: 900; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center; line-height: 1;
  flex-shrink: 0; box-shadow: 0 0 18px rgba(0, 229, 255, 0.4); text-align: center; overflow: hidden;
}
.logo-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo-text .hl { color: var(--blue); text-shadow: 0 0 12px var(--blue); }

.nav-links { display: flex; align-items: center; gap: 28px; font-size: 0.95rem; font-weight: 500; }
.nav-links a { color: #9aa7b8; transition: color 0.2s; position: relative; padding-bottom: 4px; white-space: nowrap; }
.nav-links a:hover { color: #fff; }
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--blue); transition: width 0.25s; box-shadow: 0 0 8px var(--blue);
}
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--blue); text-shadow: 0 0 10px rgba(0, 229, 255, 0.5); }
.nav-links a.active::after { width: 100%; }

.burger {
  display: none; width: 44px; height: 44px; border: 1px solid rgba(0, 229, 255, 0.3); border-radius: 10px;
  background: transparent; cursor: pointer; align-items: center; justify-content: center;
  flex-shrink: 0; transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.burger:hover, .burger:active { border-color: var(--blue); box-shadow: 0 0 15px rgba(0, 229, 255, 0.3); background: rgba(0, 229, 255, 0.06); }
.burger span { display: block; width: 22px; height: 2px; background: var(--blue); border-radius: 2px; position: relative; box-shadow: 0 0 6px var(--blue); }
.burger span::before, .burger span::after { content: ''; position: absolute; left: 0; width: 22px; height: 2px; background: var(--blue); border-radius: 2px; box-shadow: 0 0 6px var(--blue); }
.burger span::before { top: -7px; }
.burger span::after { top: 7px; }

.mobile-menu {
  position: fixed; inset: 0; z-index: 1001; background: rgba(10, 12, 18, 0.98);
  display: flex; flex-direction: column; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s; overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu-top { display: flex; justify-content: flex-end; margin-bottom: 20px; }
.mobile-close {
  width: 44px; height: 44px; border: 1px solid rgba(0, 229, 255, 0.3); border-radius: 10px;
  background: transparent; color: var(--blue); font-size: 1.4rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center; line-height: 1;
  -webkit-tap-highlight-color: transparent; transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.mobile-close:hover, .mobile-close:active { border-color: var(--blue); box-shadow: 0 0 15px rgba(0, 229, 255, 0.3); background: rgba(0, 229, 255, 0.06); }
.mobile-links { display: flex; flex-direction: column; gap: 12px; max-width: 400px; width: 100%; margin: 0 auto; }
.mobile-links a {
  display: flex; align-items: center; justify-content: center; padding: 16px; min-height: 54px;
  border: 1px solid var(--line); border-radius: 12px; background: rgba(20, 26, 38, 0.6);
  font-size: 1.05rem; color: var(--text); transition: all 0.2s; -webkit-tap-highlight-color: transparent;
}
.mobile-links a:hover, .mobile-links a:active { color: var(--blue); border-color: var(--line-2); background: rgba(0, 229, 255, 0.08); box-shadow: 0 0 15px rgba(0, 229, 255, 0.15); }
body.no-scroll { overflow: hidden; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 12px 26px; min-height: 46px;
  border-radius: 8px; font-weight: 600; font-size: 0.95rem; letter-spacing: 0.3px;
  border: 1px solid transparent; cursor: pointer; transition: all 0.2s; text-align: center;
  white-space: nowrap; -webkit-tap-highlight-color: transparent;
}
.btn-primary { background: linear-gradient(135deg, #0055ff, #00e5ff); color: #0a0c12; border: none; box-shadow: 0 0 18px rgba(0, 229, 255, 0.3); }
.btn-primary:hover { box-shadow: 0 0 30px rgba(0, 229, 255, 0.55); transform: translateY(-1px); }
.btn-red { background: linear-gradient(135deg, #ff3a5e, #b65eff); color: #0a0c12; border: none; box-shadow: 0 0 18px rgba(255, 58, 94, 0.3); }
.btn-red:hover { box-shadow: 0 0 30px rgba(255, 58, 94, 0.55); transform: translateY(-1px); }
.btn-outline { background: transparent; border: 1px solid var(--blue); color: var(--blue); }
.btn-outline:hover { background: rgba(0, 229, 255, 0.08); box-shadow: 0 0 15px rgba(0, 229, 255, 0.25); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; transform: none !important; }

.page-hero { padding: calc(var(--nav-h) + 60px) 0 50px; position: relative; overflow: hidden; text-align: center; }
.page-hero::before, .page-hero::after { content: ''; position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0; }
.page-hero::before { top: -180px; left: 10%; width: 500px; height: 500px; background: rgba(0, 229, 255, 0.1); }
.page-hero::after { bottom: -180px; right: 5%; width: 400px; height: 400px; background: rgba(182, 94, 255, 0.08); }
.page-hero .container { z-index: 2; }
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; margin-bottom: 14px;
}
.page-hero h1 .hl {
  background: linear-gradient(135deg, #00e5ff, #b65eff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.page-hero p { color: #a0b0c8; font-size: 1.05rem; max-width: 640px; margin: 0 auto; }

.quick-tip {
  max-width: 760px; margin: 28px auto 0; padding: 14px 22px;
  background: rgba(0, 229, 255, 0.05); border: 1px dashed rgba(0, 229, 255, 0.3);
  border-radius: 14px; font-size: 0.9rem; color: var(--text-2);
  display: flex; align-items: center; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.quick-tip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); flex-shrink: 0; }

.section { padding: 60px 0; position: relative; z-index: 2; }
.section-alt { background: rgba(10, 12, 18, 0.55); }
.section-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 800; text-align: center; margin-bottom: 12px; letter-spacing: -0.3px;
  background: linear-gradient(135deg, #fff, #a0d0ff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; padding: 0 10px;
}
.section-sub { text-align: center; color: var(--text-2); font-size: 1rem; max-width: 700px; margin: 0 auto 40px; padding: 0 10px; }

.policy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.policy-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  position: relative; overflow: hidden;
}
.policy-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; opacity: 0.7;
}
.policy-card.green::before { background: linear-gradient(90deg, transparent, #5effa0, transparent); }
.policy-card.blue::before { background: linear-gradient(90deg, transparent, #00e5ff, transparent); }
.policy-card.red::before { background: linear-gradient(90deg, transparent, #ff3a5e, transparent); }
.policy-card:hover { transform: translateY(-4px); box-shadow: 0 0 25px rgba(0, 229, 255, 0.08); }
.policy-card.green:hover { border-color: rgba(94, 255, 160, 0.45); }
.policy-card.blue:hover { border-color: rgba(0, 229, 255, 0.45); }
.policy-card.red:hover { border-color: rgba(255, 58, 94, 0.45); }
.policy-card .tag {
  display: inline-block; padding: 3px 12px; border-radius: 20px;
  font-size: 0.72rem; letter-spacing: 1px; margin-bottom: 12px;
}
.policy-card .tag.green { color: var(--green); border: 1px solid rgba(94, 255, 160, 0.5); background: rgba(94, 255, 160, 0.06); }
.policy-card .tag.blue { color: var(--blue); border: 1px solid rgba(0, 229, 255, 0.5); background: rgba(0, 229, 255, 0.06); }
.policy-card .tag.red { color: var(--red); border: 1px solid rgba(255, 58, 94, 0.5); background: rgba(255, 58, 94, 0.06); }
.policy-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.policy-card h3 .ico { font-size: 1.15rem; line-height: 1; }
.policy-card p { color: var(--text-2); font-size: 0.9rem; }

.refund-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 30px; align-items: start; }
.form-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 32px 28px;
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.06);
  position: relative; overflow: hidden;
}
.form-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, #ff3a5e, transparent);
  opacity: 0.7;
}
.form-card h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 6px; }
.form-card .form-note { color: var(--text-3); font-size: 0.88rem; margin-bottom: 24px; }

.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-row label { font-size: 0.88rem; font-weight: 600; color: var(--text-2); }
.form-row label .req { color: var(--red); margin-left: 2px; }
.form-row .input-wrap { position: relative; }
.form-row .input-wrap .field-ico {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  font-size: 0.95rem; color: var(--text-3); pointer-events: none; line-height: 1;
}
.form-row .input-wrap input,
.form-row .input-wrap select { padding-left: 38px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  background: rgba(10, 12, 18, 0.7); color: var(--text);
  border: 1px solid var(--line); outline: none;
  transition: border-color 0.2s, box-shadow 0.2s; font-size: 0.95rem;
  -webkit-appearance: none;
  appearance: none;
}
.form-row select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235f7188' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.form-row input::placeholder, .form-row textarea::placeholder { color: #4a5a70; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}
.form-row textarea { resize: vertical; min-height: 110px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.char-count { font-size: 0.75rem; color: var(--text-3); text-align: right; margin-top: 4px; }
.field-hint { font-size: 0.78rem; color: var(--text-3); margin-top: 2px; }

.form-success {
  display: none;
  margin-top: 16px; padding: 16px 18px; border-radius: 12px;
  background: rgba(94, 255, 160, 0.08); border: 1px solid rgba(94, 255, 160, 0.4);
  color: var(--green); font-size: 0.9rem; line-height: 1.7;
}
.form-success.show { display: block; animation: fadeInUp 0.4s ease; }
.form-success strong { color: #b9ffd1; }
.form-success .snum { display: inline-block; padding: 2px 10px; margin-top: 6px; border-radius: 6px; background: rgba(94, 255, 160, 0.12); font-family: monospace; letter-spacing: 1px; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.side-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 26px 24px;
}
.side-card + .side-card { margin-top: 20px; }
.side-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 8px; }
.side-card h4 .ico { color: var(--blue); font-size: 1rem; }
.side-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.side-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.9rem; color: var(--text-2); }
.side-list .n {
  width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0;
  background: rgba(0, 229, 255, 0.1); color: var(--blue); border: 1px solid rgba(0, 229, 255, 0.3);
  display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; line-height: 1;
}
.contact-box {
  margin-top: 16px; padding: 16px; border-radius: 12px;
  background: rgba(0, 229, 255, 0.05); border: 1px dashed rgba(0, 229, 255, 0.3);
  font-size: 0.88rem; color: var(--text-2); line-height: 1.9;
}
.contact-box strong { color: var(--blue); }
.contact-box a { color: var(--blue); }
.contact-box a:hover { text-decoration: underline; }

.faq { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; transition: border-color 0.2s; }
.faq-item:hover { border-color: rgba(0, 229, 255, 0.25); }
.faq-item summary {
  padding: 18px 22px; cursor: pointer; font-weight: 600; font-size: 0.96rem;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none;
  transition: color 0.2s; -webkit-tap-highlight-color: transparent;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '▾'; color: var(--blue); font-size: 0.9rem; transition: transform 0.2s; flex-shrink: 0; }
.faq-item[open] summary { color: var(--blue); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 0 22px 20px; color: var(--text-2); font-size: 0.9rem; line-height: 1.7; }

.footer { background: #0a0c12; border-top: 1px solid var(--line); padding: 40px 0 24px; position: relative; z-index: 2; }
.footer-links { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 28px; margin-bottom: 26px; }
.footer-links a { color: var(--text-3); font-size: 0.88rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--blue); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; text-align: center; color: var(--text-3); font-size: 0.82rem; }

@media (max-width: 1024px) {
  .policy-grid { grid-template-columns: repeat(2, 1fr); }
  .refund-layout { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .burger { display: flex; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .container { padding: 0 16px; }
  .nav-inner { padding: 0 16px; }
  .page-hero { padding: calc(var(--nav-h) + 40px) 0 40px; }
  .page-hero h1 { font-size: clamp(1.7rem, 6vw, 2.3rem); }
  .quick-tip { font-size: 0.85rem; padding: 12px 16px; margin-top: 22px; }
  .policy-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px 18px; }
  .form-grid-2 { grid-template-columns: 1fr; gap: 0; }
  .section { padding: 48px 0; }
  .section-sub { margin-bottom: 30px; font-size: 0.95rem; }
  .footer { padding: 34px 0 20px; }
}

@media (max-width: 480px) {
  .logo { font-size: 1.1rem; gap: 8px; }
  .logo-icon { width: 34px; height: 34px; font-size: 1rem; }
  .page-hero h1 { font-size: 1.7rem; }
  .policy-card { padding: 20px; }
  .faq-item summary { padding: 16px 16px; font-size: 0.9rem; }
  .faq-answer { padding: 0 16px 18px; font-size: 0.85rem; }
  .mobile-links a { font-size: 1rem; padding: 14px; }
  .mobile-menu { padding: 16px; }
  .btn { padding: 12px 20px; }
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --blue: #00e5ff;
  --purple: #b65eff;
  --red: #ff3a5e;
  --green: #5effa0;
  --bg: #0a0c12;
  --card: #141a26;
  --card-2: #0f1520;
  --text: #e6edf3;
  --text-2: #8d9fb9;
  --text-3: #5f7188;
  --line: rgba(0, 229, 255, 0.12);
  --line-2: rgba(0, 229, 255, 0.35);
  --nav-h: 72px;
}

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-width: 320px;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #0e121c; }
::-webkit-scrollbar-thumb { background: #2a3a5e; border-radius: 10px; }

.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
}
.bg-scan {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(0, 229, 255, 0.012) 3px, transparent 4px);
  animation: scanMove 14s linear infinite;
}
@keyframes scanMove { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 2; }

.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 1000;
  background: rgba(10, 12, 18, 0.9);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: 100%; max-width: 1280px; margin: 0 auto; height: 100%; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.35rem; letter-spacing: -0.3px; flex-shrink: 1; min-width: 0; }
.logo-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, #0055ff, #00e5ff);
  color: #0a0c12; font-weight: 900; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center; line-height: 1;
  flex-shrink: 0; box-shadow: 0 0 18px rgba(0, 229, 255, 0.4); text-align: center; overflow: hidden;
}
.logo-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo-text .hl { color: var(--blue); text-shadow: 0 0 12px var(--blue); }

.nav-links { display: flex; align-items: center; gap: 26px; font-size: 0.95rem; font-weight: 500; }
.nav-links a { color: #9aa7b8; transition: color 0.2s; position: relative; padding-bottom: 4px; white-space: nowrap; }
.nav-links a:hover { color: #fff; }
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--blue); transition: width 0.25s; box-shadow: 0 0 8px var(--blue);
}
.nav-links a:hover::after { width: 100%; }

.burger {
  display: none; width: 44px; height: 44px; border: 1px solid rgba(0, 229, 255, 0.3); border-radius: 10px;
  background: transparent; cursor: pointer; align-items: center; justify-content: center;
  flex-shrink: 0; transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.burger:hover, .burger:active { border-color: var(--blue); box-shadow: 0 0 15px rgba(0, 229, 255, 0.3); background: rgba(0, 229, 255, 0.06); }
.burger span { display: block; width: 22px; height: 2px; background: var(--blue); border-radius: 2px; position: relative; box-shadow: 0 0 6px var(--blue); }
.burger span::before, .burger span::after { content: ''; position: absolute; left: 0; width: 22px; height: 2px; background: var(--blue); border-radius: 2px; box-shadow: 0 0 6px var(--blue); }
.burger span::before { top: -7px; }
.burger span::after { top: 7px; }

.mobile-menu {
  position: fixed; inset: 0; z-index: 1001; background: rgba(10, 12, 18, 0.98);
  display: flex; flex-direction: column; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s; overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu-top { display: flex; justify-content: flex-end; margin-bottom: 20px; }
.mobile-close {
  width: 44px; height: 44px; border: 1px solid rgba(0, 229, 255, 0.3); border-radius: 10px;
  background: transparent; color: var(--blue); font-size: 1.4rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center; line-height: 1;
  -webkit-tap-highlight-color: transparent; transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.mobile-close:hover, .mobile-close:active { border-color: var(--blue); box-shadow: 0 0 15px rgba(0, 229, 255, 0.3); background: rgba(0, 229, 255, 0.06); }
.mobile-links { display: flex; flex-direction: column; gap: 12px; max-width: 400px; width: 100%; margin: 0 auto; }
.mobile-links a {
  display: flex; align-items: center; justify-content: center; padding: 16px; min-height: 54px;
  border: 1px solid var(--line); border-radius: 12px; background: rgba(20, 26, 38, 0.6);
  font-size: 1.05rem; color: var(--text); transition: all 0.2s; -webkit-tap-highlight-color: transparent;
}
.mobile-links a:hover, .mobile-links a:active { color: var(--blue); border-color: var(--line-2); background: rgba(0, 229, 255, 0.08); box-shadow: 0 0 15px rgba(0, 229, 255, 0.15); }
body.no-scroll { overflow: hidden; }

.hero { padding: calc(var(--nav-h) + 60px) 0 80px; position: relative; overflow: hidden; }
.hero::before, .hero::after { content: ''; position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0; }
.hero::before { top: -180px; left: 10%; width: 500px; height: 500px; background: rgba(0, 229, 255, 0.1); }
.hero::after { bottom: -180px; right: 5%; width: 400px; height: 400px; background: rgba(182, 94, 255, 0.08); }
.hero-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 40px; position: relative; z-index: 2; }
.hero-left { flex: 1 1 460px; min-width: 0; }
.hero-right { flex: 1 1 400px; min-width: 0; display: flex; justify-content: center; }

.hero h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 800; line-height: 1.18; letter-spacing: -0.5px; margin-bottom: 18px; }
.hero h1 .hl {
  background: linear-gradient(135deg, #00e5ff, #b65eff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.hero-desc { font-size: 1.05rem; color: #a0b0c8; margin-bottom: 28px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 12px 26px; min-height: 46px;
  border-radius: 8px; font-weight: 600; font-size: 0.95rem; letter-spacing: 0.3px;
  border: 1px solid transparent; cursor: pointer; transition: all 0.2s; text-align: center;
  white-space: nowrap; -webkit-tap-highlight-color: transparent;
}
.btn-primary { background: linear-gradient(135deg, #0055ff, #00e5ff); color: #0a0c12; border: none; box-shadow: 0 0 18px rgba(0, 229, 255, 0.3); }
.btn-primary:hover { box-shadow: 0 0 30px rgba(0, 229, 255, 0.55); }
.btn-red { background: linear-gradient(135deg, #ff3a5e, #b65eff); color: #0a0c12; border: none; box-shadow: 0 0 18px rgba(255, 58, 94, 0.3); }
.btn-red:hover { box-shadow: 0 0 30px rgba(255, 58, 94, 0.55); }
.btn-outline { background: transparent; border: 1px solid var(--blue); color: var(--blue); }
.btn-outline:hover { background: rgba(0, 229, 255, 0.08); box-shadow: 0 0 15px rgba(0, 229, 255, 0.25); }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--line-2); background: rgba(0, 229, 255, 0.05); }
.btn-block { width: 100%; }

.avatar-group { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.avatars { display: flex; align-items: center; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--bg);
  background: linear-gradient(145deg, #1e2a3a, #0f1420); color: #7a8da3;
  font-size: 0.7rem; font-weight: 600; display: flex; align-items: center; justify-content: center;
  line-height: 1; margin-right: -12px; flex-shrink: 0; box-shadow: 0 0 12px rgba(0, 229, 255, 0.15);
}
.avatar:first-child { margin-left: 0; }
.avatar.more { background: var(--bg); border: 2px solid var(--blue); color: var(--blue); font-weight: 700; font-size: 0.75rem; }
.avatar-note { color: #7f90a8; font-size: 0.9rem; }

.hud-card {
  width: 100%; max-width: 480px;
  border-radius: 24px;
  border: 2px solid rgba(0, 229, 255, 0.3);
  background: radial-gradient(circle at 30% 30%, #1a2538, #0b0f18);
  box-shadow: 0 0 50px rgba(0, 229, 255, 0.12), inset 0 0 40px rgba(0, 229, 255, 0.04);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  padding: 22px 20px 20px;
}
.hud-card::before {
  content: '⌖'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-size: 130px; color: rgba(0, 229, 255, 0.06); line-height: 1; pointer-events: none;
}
.hud-card .scan {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0, transparent 4px, rgba(0, 229, 255, 0.03) 5px, transparent 6px);
  animation: scanMove 8s linear infinite; pointer-events: none;
}
.hud-info { position: relative; z-index: 2; text-align: center; padding: 0; width: 100%; }

.hud-img {
  width: 100%;
  max-width: 360px;
  margin: 0 auto 16px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, 0.35);
  box-shadow: 0 0 25px rgba(0, 229, 255, 0.2);
  background: #0b0f18;
}
.hud-img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.hud-info h3 { font-size: 1.75rem; font-weight: 700; color: var(--blue); text-shadow: 0 0 18px var(--blue); letter-spacing: 2px; margin-bottom: 6px; }
.hud-info p { color: #b0c4de; font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.hud-tags { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.hud-tag {
  padding: 4px 12px; border-radius: 20px; border: 1px solid rgba(0, 229, 255, 0.4);
  color: var(--blue); background: rgba(0, 229, 255, 0.06); font-size: 0.72rem; letter-spacing: 1px; line-height: 1.4;
}

.section { padding: 70px 0; position: relative; z-index: 2; }
.section-alt { background: rgba(10, 12, 18, 0.55); }

.section-title {
  font-size: clamp(1.55rem, 4vw, 2.4rem); font-weight: 800; text-align: center; margin-bottom: 12px; letter-spacing: -0.3px;
  background: linear-gradient(135deg, #fff, #a0d0ff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; padding: 0 10px;
}
.section-sub { text-align: center; color: var(--text-2); font-size: 1rem; max-width: 700px; margin: 0 auto 44px; padding: 0 10px; }

.intro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.intro-card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s; }
.intro-card:hover { border-color: var(--line-2); transform: translateY(-3px); box-shadow: 0 0 25px rgba(0, 229, 255, 0.08); }
.intro-thumb { aspect-ratio: 16 / 10; background: linear-gradient(145deg, #0f1520, #1a2233); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.intro-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.intro-body { padding: 18px 20px; }
.intro-body h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 6px; }
.intro-body p { color: var(--text-2); font-size: 0.88rem; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature { padding: 26px; border-radius: 18px; border: 1px solid var(--line); background: var(--card); transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s; }
.feature:hover { border-color: var(--line-2); transform: translateY(-4px); box-shadow: 0 0 25px rgba(0, 229, 255, 0.08); }
.feature h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; padding-left: 12px; border-left: 3px solid var(--blue); line-height: 1.3; }
.feature p { color: var(--text-2); font-size: 0.92rem; }

.stats { padding: 55px 0; background: rgba(10, 12, 18, 0.6); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-num {
  font-size: 2.6rem; font-weight: 800; line-height: 1.1; letter-spacing: -2px;
  background: linear-gradient(135deg, #fff, #00e5ff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.stat-item:nth-child(2) .stat-num { background: linear-gradient(135deg, #fff, #ff3a5e); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-item:nth-child(3) .stat-num { background: linear-gradient(135deg, #fff, #5effa0); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-item:nth-child(4) .stat-num { background: linear-gradient(135deg, #fff, #b65eff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { color: var(--text-3); font-size: 0.82rem; letter-spacing: 1px; margin-top: 6px; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 40px; }
.price-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 28px 24px;
  display: flex; flex-direction: column; position: relative; transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.price-card:hover { border-color: var(--line-2); transform: translateY(-4px); box-shadow: 0 0 25px rgba(0, 229, 255, 0.08); }
.price-card.popular { border: 2px solid var(--blue); background: linear-gradient(180deg, #141a26, #0f1520); box-shadow: 0 0 30px rgba(0, 229, 255, 0.12); }
.popular-badge {
  position: absolute; top: -12px; right: 20px; padding: 4px 14px; border-radius: 20px;
  background: linear-gradient(135deg, #0055ff, #00e5ff); color: #0a0c12; font-size: 0.72rem; font-weight: 800;
  letter-spacing: 1px; box-shadow: 0 0 15px rgba(0, 229, 255, 0.5); white-space: nowrap;
}
.price-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.price-desc { color: var(--text-3); font-size: 0.88rem; margin-bottom: 18px; }
.price-amount { font-size: 2.3rem; font-weight: 800; letter-spacing: -1px; line-height: 1; margin-bottom: 20px; }
.price-amount .period { font-size: 0.9rem; font-weight: 500; color: var(--text-3); letter-spacing: 0; }
.price-features { list-style: none; margin-bottom: 22px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.price-features li { color: var(--text-2); font-size: 0.9rem; display: flex; align-items: flex-start; gap: 10px; }
.price-features li::before { content: '✓'; color: var(--blue); font-weight: 700; flex-shrink: 0; }

.after-sales { max-width: 760px; margin: 0 auto; padding: 26px 24px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; }
.after-sales h3 { text-align: center; font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.after-sales .note { text-align: center; color: var(--text-3); font-size: 0.85rem; margin-bottom: 16px; }
.after-sales-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.after-sales-item { background: rgba(10, 12, 18, 0.6); border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: flex; align-items: center; justify-content: center; text-align: center; font-size: 0.9rem; font-weight: 600; }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 1100px; margin: 0 auto; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px; transition: border-color 0.2s, box-shadow 0.2s; }
.step:hover { border-color: var(--line-2); box-shadow: 0 0 25px rgba(0, 229, 255, 0.06); }
.step-num {
  width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.2rem; color: #0a0c12; line-height: 1; margin-bottom: 16px;
}
.step-num.a { background: linear-gradient(135deg, #0055ff, #00e5ff); box-shadow: 0 0 20px rgba(0, 229, 255, 0.4); }
.step-num.b { background: linear-gradient(135deg, #ff3a5e, #b65eff); box-shadow: 0 0 20px rgba(255, 58, 94, 0.4); }
.step-num.c { background: linear-gradient(135deg, #5effa0, #00e5ff); box-shadow: 0 0 20px rgba(94, 255, 160, 0.4); }
.step-thumb {
  aspect-ratio: 16 / 9; border-radius: 12px; border: 1px solid var(--line);
  background: linear-gradient(145deg, #0f1520, #1a2233); overflow: hidden; margin-bottom: 16px;
}
.step-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.step h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 6px; }
.step p { color: var(--text-2); font-size: 0.88rem; }

.guide-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 1100px; margin: 30px auto 0; }
.guide-gallery .g-item {
  border-radius: 16px; overflow: hidden; border: 1px solid var(--line);
  background: var(--card); transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  aspect-ratio: 16 / 10;
}
.guide-gallery .g-item:hover { border-color: var(--line-2); transform: translateY(-3px); box-shadow: 0 0 25px rgba(0, 229, 255, 0.08); }
.guide-gallery .g-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

.perf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.chart { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 22px; aspect-ratio: 4 / 3; display: flex; flex-direction: column; justify-content: space-between; }
.chart-bars { display: flex; align-items: flex-end; gap: 12px; height: 62%; padding: 8px 0; }
.chart-bar { flex: 1; border-radius: 6px 6px 0 0; background: linear-gradient(to top, #0055ff, #00e5ff); box-shadow: 0 0 12px rgba(0, 229, 255, 0.3); }
.chart-bar:nth-child(2) { background: linear-gradient(to top, #ff3a5e, #ff8a5e); box-shadow: 0 0 12px rgba(255, 58, 94, 0.3); }
.chart-bar:nth-child(3) { background: linear-gradient(to top, #b65eff, #d05eff); box-shadow: 0 0 12px rgba(182, 94, 255, 0.3); }
.chart-bar:nth-child(4) { background: linear-gradient(to top, #5effa0, #00e5ff); box-shadow: 0 0 12px rgba(94, 255, 160, 0.3); }
.chart-labels { display: flex; gap: 12px; margin-top: 10px; }
.chart-labels span { flex: 1; text-align: center; font-size: 0.72rem; color: var(--text-3); }

.progress-list { display: flex; flex-direction: column; gap: 22px; }
.progress-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 6px; font-size: 0.9rem; }
.progress-head .v { font-weight: 700; font-size: 1.05rem; }
.progress-track { height: 8px; background: rgba(78, 89, 105, 0.25); border-radius: 10px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 10px; box-shadow: 0 0 10px currentColor; }
.pf-blue { background: linear-gradient(90deg, #0055ff, #00e5ff); color: #00e5ff; }
.pf-red { background: linear-gradient(90deg, #ff3a5e, #ff8a5e); color: #ff3a5e; }
.pf-green { background: linear-gradient(90deg, #5effa0, #00e5ff); color: #5effa0; }
.pf-purple { background: linear-gradient(90deg, #b65eff, #d05eff); color: #b65eff; }

.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px; transition: border-color 0.2s, box-shadow 0.2s; }
.review:hover { border-color: var(--line-2); box-shadow: 0 0 20px rgba(0, 229, 255, 0.06); }
.review-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
  width: 44px; height: 44px; border-radius: 50%; border: 2px solid rgba(0, 229, 255, 0.3);
  background: linear-gradient(145deg, #1e2a3a, #0f1420); color: var(--blue); font-weight: 700; font-size: 1rem;
  display: flex; align-items: center; justify-content: center; line-height: 1; flex-shrink: 0;
}
.review-head h4 { font-size: 0.95rem; font-weight: 700; }
.stars { color: #ffd700; font-size: 0.75rem; letter-spacing: 1px; }
.review p { color: var(--text-2); font-size: 0.9rem; margin-bottom: 12px; }
.review-tag { display: inline-block; padding: 3px 12px; border-radius: 20px; border: 1px solid var(--line); background: rgba(0, 229, 255, 0.06); color: var(--text-3); font-size: 0.78rem; }

.faq { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.faq-item summary {
  padding: 18px 22px; cursor: pointer; font-weight: 600; font-size: 0.96rem;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none;
  transition: color 0.2s; -webkit-tap-highlight-color: transparent;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '▾'; color: var(--blue); font-size: 0.9rem; transition: transform 0.2s; flex-shrink: 0; }
.faq-item[open] summary { color: var(--blue); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 0 22px 20px; color: var(--text-2); font-size: 0.9rem; line-height: 1.7; }

.cta { padding: 70px 0; text-align: center; background: radial-gradient(ellipse at 50% 50%, rgba(0, 229, 255, 0.06), transparent 70%); position: relative; z-index: 2; }
.cta h2 { font-size: clamp(1.55rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -0.3px; margin-bottom: 14px; padding: 0 10px; }
.cta p { color: var(--text-2); font-size: 1rem; max-width: 640px; margin: 0 auto 32px; padding: 0 10px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; padding: 0 10px; }

.footer { background: #0a0c12; border-top: 1px solid var(--line); padding: 50px 0 24px; position: relative; z-index: 2; }
.footer-links { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 28px; margin-bottom: 26px; }
.footer-links a { color: var(--text-3); font-size: 0.88rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--blue); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; text-align: center; color: var(--text-3); font-size: 0.82rem; }

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-gallery { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; max-width: 540px; }
  .perf-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .burger { display: flex; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .container { padding: 0 16px; }
  .nav-inner { padding: 0 16px; }
  .hero { padding: calc(var(--nav-h) + 40px) 0 60px; }
  .hero-inner { gap: 28px; }
  .hero h1 { font-size: clamp(1.9rem, 6vw, 2.5rem); }
  .hero-desc { font-size: 1rem; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { flex: 1 1 100%; max-width: 100%; }
  .hud-card { max-width: 100%; padding: 20px 16px 18px; }
  .hud-img { max-width: 100%; margin-bottom: 14px; }
  .hud-info h3 { font-size: 1.5rem; }
  .hud-info p { font-size: 0.72rem; letter-spacing: 1.5px; }
  .hud-tag { font-size: 0.68rem; padding: 3px 10px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .stat-num { font-size: 2.2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .intro-grid { grid-template-columns: 1fr; }
  .guide-gallery { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .reviews-grid { grid-template-columns: 1fr; }
  .after-sales-grid { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { width: 100%; }
  .section { padding: 56px 0; }
  .section-sub { margin-bottom: 34px; font-size: 0.95rem; }
  .avatar { width: 38px; height: 38px; font-size: 0.65rem; }
  .avatar-note { font-size: 0.82rem; }
  .price-card { padding: 24px 20px; }
  .footer { padding: 40px 0 20px; }
  .cta { padding: 56px 0; }
}

@media (max-width: 480px) {
  .logo { font-size: 1.1rem; gap: 8px; }
  .logo-icon { width: 34px; height: 34px; font-size: 1rem; }
  .hero h1 { font-size: 1.85rem; }
  .hud-info h3 { font-size: 1.35rem; }
  .price-amount { font-size: 2rem; }
  .stat-num { font-size: 2rem; }
  .stat-label { font-size: 0.75rem; }
  .popular-badge { right: 12px; font-size: 0.68rem; padding: 3px 10px; }
  .faq-item summary { padding: 16px 16px; font-size: 0.9rem; }
  .faq-answer { padding: 0 16px 18px; font-size: 0.85rem; }
  .review { padding: 18px; }
  .intro-body { padding: 14px 16px; }
  .step { padding: 20px; }
  .chart { padding: 16px; }
  .after-sales { padding: 20px 16px; }
  .mobile-links a { font-size: 1rem; padding: 14px; }
  .mobile-menu { padding: 16px; }
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --blue: #00e5ff;
  --purple: #b65eff;
  --red: #ff3a5e;
  --green: #5effa0;
  --orange: #ffa94d;
  --bg: #0a0c12;
  --card: #141a26;
  --text: #e6edf3;
  --text-2: #8d9fb9;
  --text-3: #5f7188;
  --line: rgba(0, 229, 255, 0.12);
  --line-2: rgba(0, 229, 255, 0.35);
  --nav-h: 72px;
}

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-width: 320px;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #0e121c; }
::-webkit-scrollbar-thumb { background: #2a3a5e; border-radius: 10px; }

.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
}
.bg-scan {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(0, 229, 255, 0.012) 3px, transparent 4px);
  animation: scanMove 14s linear infinite;
}
@keyframes scanMove { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 2; }

.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 1000;
  background: rgba(10, 12, 18, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: 100%; max-width: 1280px; margin: 0 auto; height: 100%; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.35rem; letter-spacing: -0.3px; flex-shrink: 1; min-width: 0; }
.logo-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, #0055ff, #00e5ff);
  color: #0a0c12; font-weight: 900; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center; line-height: 1;
  flex-shrink: 0; box-shadow: 0 0 18px rgba(0, 229, 255, 0.4); text-align: center; overflow: hidden;
}
.logo-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo-text .hl { color: var(--blue); text-shadow: 0 0 12px var(--blue); }

.nav-links { display: flex; align-items: center; gap: 24px; font-size: 0.95rem; font-weight: 500; }
.nav-links a { color: #9aa7b8; transition: color 0.2s; position: relative; padding-bottom: 4px; white-space: nowrap; }
.nav-links a:hover { color: #fff; }
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--blue); transition: width 0.25s; box-shadow: 0 0 8px var(--blue);
}
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--blue); text-shadow: 0 0 10px rgba(0, 229, 255, 0.5); }
.nav-links a.active::after { width: 100%; }

.burger {
  display: none; width: 44px; height: 44px; border: 1px solid rgba(0, 229, 255, 0.3); border-radius: 10px;
  background: transparent; cursor: pointer; align-items: center; justify-content: center;
  flex-shrink: 0; transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.burger:hover, .burger:active { border-color: var(--blue); box-shadow: 0 0 15px rgba(0, 229, 255, 0.3); background: rgba(0, 229, 255, 0.06); }
.burger span { display: block; width: 22px; height: 2px; background: var(--blue); border-radius: 2px; position: relative; box-shadow: 0 0 6px var(--blue); }
.burger span::before, .burger span::after { content: ''; position: absolute; left: 0; width: 22px; height: 2px; background: var(--blue); border-radius: 2px; box-shadow: 0 0 6px var(--blue); }
.burger span::before { top: -7px; }
.burger span::after { top: 7px; }

.mobile-menu {
  position: fixed; inset: 0; z-index: 1001; background: rgba(10, 12, 18, 0.98);
  display: flex; flex-direction: column; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s; overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu-top { display: flex; justify-content: flex-end; margin-bottom: 20px; }
.mobile-close {
  width: 44px; height: 44px; border: 1px solid rgba(0, 229, 255, 0.3); border-radius: 10px;
  background: transparent; color: var(--blue); font-size: 1.4rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center; line-height: 1;
  -webkit-tap-highlight-color: transparent; transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.mobile-close:hover, .mobile-close:active { border-color: var(--blue); box-shadow: 0 0 15px rgba(0, 229, 255, 0.3); background: rgba(0, 229, 255, 0.06); }
.mobile-links { display: flex; flex-direction: column; gap: 12px; max-width: 400px; width: 100%; margin: 0 auto; }
.mobile-links a {
  display: flex; align-items: center; justify-content: center; padding: 16px; min-height: 54px;
  border: 1px solid var(--line); border-radius: 12px; background: rgba(20, 26, 38, 0.6);
  font-size: 1.05rem; color: var(--text); transition: all 0.2s; -webkit-tap-highlight-color: transparent;
}
.mobile-links a:hover, .mobile-links a:active { color: var(--blue); border-color: var(--line-2); background: rgba(0, 229, 255, 0.08); box-shadow: 0 0 15px rgba(0, 229, 255, 0.15); }
body.no-scroll { overflow: hidden; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 12px 26px; min-height: 46px;
  border-radius: 8px; font-weight: 600; font-size: 0.95rem; letter-spacing: 0.3px;
  border: 1px solid transparent; cursor: pointer; transition: all 0.2s; text-align: center;
  white-space: nowrap; -webkit-tap-highlight-color: transparent;
}
.btn-primary { background: linear-gradient(135deg, #0055ff, #00e5ff); color: #0a0c12; border: none; box-shadow: 0 0 18px rgba(0, 229, 255, 0.3); }
.btn-primary:hover { box-shadow: 0 0 30px rgba(0, 229, 255, 0.55); transform: translateY(-1px); }
.btn-red { background: linear-gradient(135deg, #ff3a5e, #b65eff); color: #0a0c12; border: none; box-shadow: 0 0 18px rgba(255, 58, 94, 0.3); }
.btn-red:hover { box-shadow: 0 0 30px rgba(255, 58, 94, 0.55); transform: translateY(-1px); }
.btn-green { background: linear-gradient(135deg, #00b894, #5effa0); color: #0a0c12; border: none; box-shadow: 0 0 18px rgba(94, 255, 160, 0.3); }
.btn-green:hover { box-shadow: 0 0 30px rgba(94, 255, 160, 0.55); transform: translateY(-1px); }
.btn-orange { background: linear-gradient(135deg, #ff6b35, #ffa94d); color: #0a0c12; border: none; box-shadow: 0 0 18px rgba(255, 169, 77, 0.3); }
.btn-orange:hover { box-shadow: 0 0 30px rgba(255, 169, 77, 0.55); transform: translateY(-1px); }
.btn-outline { background: transparent; border: 1px solid var(--blue); color: var(--blue); }
.btn-outline:hover { background: rgba(0, 229, 255, 0.08); box-shadow: 0 0 15px rgba(0, 229, 255, 0.25); }
.btn-block { width: 100%; }

.page-hero { padding: calc(var(--nav-h) + 60px) 0 20px; position: relative; overflow: hidden; text-align: center; }
.page-hero::before, .page-hero::after { content: ''; position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 0; }
.page-hero::before { top: -180px; left: 10%; width: 500px; height: 500px; background: rgba(0, 229, 255, 0.1); }
.page-hero::after { bottom: -180px; right: 5%; width: 400px; height: 400px; background: rgba(182, 94, 255, 0.08); }
.page-hero .container { z-index: 2; }
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; margin-bottom: 14px;
}
.page-hero h1 .hl {
  background: linear-gradient(135deg, #00e5ff, #b65eff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.page-hero p { color: #a0b0c8; font-size: 1.05rem; max-width: 640px; margin: 0 auto; }

.platform-nav {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 30px; padding: 0 10px;
}
.platform-nav a {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 26px; min-height: 50px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  font-weight: 600; font-size: 0.95rem; transition: all 0.25s;
}
.platform-nav a:hover {
  border-color: var(--line-2); transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.12);
}
.platform-nav a .pf-ico {
  width: 28px; height: 28px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; font-weight: 700; color: #0a0c12; flex-shrink: 0;
}
.platform-nav a.win .pf-ico { background: linear-gradient(135deg, #0055ff, #00e5ff); }
.platform-nav a.android .pf-ico { background: linear-gradient(135deg, #00b894, #5effa0); }
.platform-nav a.ios .pf-ico { background: linear-gradient(135deg, #ff6b35, #ffa94d); }

.section { padding: 50px 0; position: relative; z-index: 2; }
.section-alt { background: rgba(10, 12, 18, 0.55); }

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 800; text-align: center; margin-bottom: 12px; letter-spacing: -0.3px;
  background: linear-gradient(135deg, #fff, #a0d0ff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; padding: 0 10px;
}
.section-sub { text-align: center; color: var(--text-2); font-size: 1rem; max-width: 700px; margin: 0 auto 36px; padding: 0 10px; }

.platform-block { scroll-margin-top: calc(var(--nav-h) + 16px); }
.platform-header {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  margin-bottom: 10px; padding: 0 10px; flex-wrap: wrap;
}
.platform-header .pf-big {
  width: 48px; height: 48px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 800; color: #0a0c12; flex-shrink: 0;
  line-height: 1;
}
.platform-header .pf-big.win { background: linear-gradient(135deg, #0055ff, #00e5ff); box-shadow: 0 0 22px rgba(0, 229, 255, 0.4); }
.platform-header .pf-big.android { background: linear-gradient(135deg, #00b894, #5effa0); box-shadow: 0 0 22px rgba(94, 255, 160, 0.4); }
.platform-header .pf-big.ios { background: linear-gradient(135deg, #ff6b35, #ffa94d); box-shadow: 0 0 22px rgba(255, 169, 77, 0.4); }
.platform-header h2 {
  font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 800; margin: 0; letter-spacing: -0.3px;
  background: linear-gradient(135deg, #fff, #a0d0ff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}

.platform-card {
  max-width: 800px; margin: 0 auto; padding: 30px 26px;
  background: var(--card); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.06);
  position: relative; overflow: hidden;
}
.platform-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0.6;
}
.platform-card.win::before { background: linear-gradient(90deg, transparent, #00e5ff, transparent); }
.platform-card.android::before { background: linear-gradient(90deg, transparent, #5effa0, transparent); }
.platform-card.ios::before { background: linear-gradient(90deg, transparent, #ffa94d, transparent); }

.version-badge {
  display: inline-block; padding: 4px 14px; border-radius: 20px;
  font-size: 0.75rem; letter-spacing: 1px; margin-bottom: 14px;
}
.version-badge.win { color: var(--blue); border: 1px solid rgba(0, 229, 255, 0.5); background: rgba(0, 229, 255, 0.06); }
.version-badge.android { color: var(--green); border: 1px solid rgba(94, 255, 160, 0.5); background: rgba(94, 255, 160, 0.06); }
.version-badge.ios { color: var(--orange); border: 1px solid rgba(255, 169, 77, 0.5); background: rgba(255, 169, 77, 0.06); }

.platform-card h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 8px; }
.platform-card .meta { color: var(--text-3); font-size: 0.88rem; margin-bottom: 18px; }
.platform-card .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 4px; }
.platform-card .note { color: var(--text-2); font-size: 0.88rem; margin-top: 14px; text-align: center; }

.compact-grid {
  max-width: 1000px; margin: 26px auto 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
}
.compact-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px;
}
.compact-box h3 {
  font-size: 0.98rem; font-weight: 700; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.compact-box h3 .dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.compact-box.win h3 .dot { background: #00e5ff; box-shadow: 0 0 8px #00e5ff; }
.compact-box.android h3 .dot { background: #5effa0; box-shadow: 0 0 8px #5effa0; }
.compact-box.ios h3 .dot { background: #ffa94d; box-shadow: 0 0 8px #ffa94d; }

.req-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.req-list li {
  font-size: 0.88rem; color: var(--text-2);
  display: flex; align-items: flex-start; gap: 8px; line-height: 1.5;
}
.req-list li .label {
  color: var(--text-3); flex-shrink: 0; min-width: 64px; font-size: 0.82rem;
}
.req-list li .val { color: var(--text-2); }

.mini-steps { display: flex; flex-direction: column; gap: 12px; }
.mini-step { display: flex; gap: 12px; align-items: flex-start; }
.mini-step .mnum {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.8rem; color: #0a0c12; line-height: 1;
}
.mini-step .mnum.n1 { background: linear-gradient(135deg, #0055ff, #00e5ff); }
.mini-step .mnum.n2 { background: linear-gradient(135deg, #ff3a5e, #b65eff); }
.mini-step .mnum.n3 { background: linear-gradient(135deg, #5effa0, #00e5ff); }
.mini-step .mnum.g1 { background: linear-gradient(135deg, #00b894, #5effa0); }
.mini-step .mnum.o1 { background: linear-gradient(135deg, #ff6b35, #ffa94d); }
.mini-step .mtext { font-size: 0.88rem; color: var(--text-2); line-height: 1.5; }
.mini-step .mtext strong { color: var(--text); font-weight: 600; display: block; margin-bottom: 2px; font-size: 0.9rem; }

.faq { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; transition: border-color 0.2s; }
.faq-item:hover { border-color: rgba(0, 229, 255, 0.25); }
.faq-item summary {
  padding: 16px 20px; cursor: pointer; font-weight: 600; font-size: 0.94rem;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none;
  transition: color 0.2s; -webkit-tap-highlight-color: transparent;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '▾'; color: var(--blue); font-size: 0.9rem; transition: transform 0.2s; flex-shrink: 0; }
.faq-item[open] summary { color: var(--blue); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 0 20px 18px; color: var(--text-2); font-size: 0.88rem; line-height: 1.7; }

.cta { padding: 60px 0; text-align: center; background: radial-gradient(ellipse at 50% 50%, rgba(0, 229, 255, 0.06), transparent 70%); position: relative; z-index: 2; }
.cta h2 { font-size: clamp(1.5rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -0.3px; margin-bottom: 12px; padding: 0 10px; }
.cta p { color: var(--text-2); font-size: 0.98rem; max-width: 640px; margin: 0 auto 28px; padding: 0 10px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; padding: 0 10px; }

.footer { background: #0a0c12; border-top: 1px solid var(--line); padding: 36px 0 22px; position: relative; z-index: 2; }
.footer-links { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 28px; margin-bottom: 22px; }
.footer-links a { color: var(--text-3); font-size: 0.88rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--blue); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 18px; text-align: center; color: var(--text-3); font-size: 0.82rem; }

@media (max-width: 1024px) {
  .compact-grid { grid-template-columns: 1fr; gap: 18px; max-width: 540px; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .burger { display: flex; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .container { padding: 0 16px; }
  .nav-inner { padding: 0 16px; }
  .page-hero { padding: calc(var(--nav-h) + 40px) 0 16px; }
  .page-hero h1 { font-size: clamp(1.7rem, 6vw, 2.3rem); }
  .platform-nav { gap: 10px; margin-top: 22px; }
  .platform-nav a { padding: 10px 18px; font-size: 0.88rem; gap: 8px; }
  .platform-nav a .pf-ico { width: 24px; height: 24px; font-size: 0.85rem; }
  .platform-card { padding: 24px 18px; }
  .platform-card .actions { flex-direction: column; align-items: stretch; }
  .platform-card .actions .btn { width: 100%; }
  .platform-header .pf-big { width: 42px; height: 42px; font-size: 1.2rem; border-radius: 11px; }
  .section { padding: 40px 0; }
  .section-sub { margin-bottom: 28px; font-size: 0.95rem; }
  .compact-box { padding: 18px; }
  .footer { padding: 30px 0 18px; }
  .cta { padding: 48px 0; }
}

@media (max-width: 480px) {
  .logo { font-size: 1.1rem; gap: 8px; }
  .logo-icon { width: 34px; height: 34px; font-size: 1rem; }
  .page-hero h1 { font-size: 1.7rem; }
  .platform-card h3 { font-size: 1.15rem; }
  .req-list li { font-size: 0.85rem; }
  .req-list li .label { min-width: 56px; font-size: 0.78rem; }
  .mini-step .mtext { font-size: 0.85rem; }
  .mini-step .mtext strong { font-size: 0.87rem; }
  .faq-item summary { padding: 14px 16px; font-size: 0.88rem; }
  .faq-answer { padding: 0 16px 16px; font-size: 0.84rem; }
  .mobile-links a { font-size: 1rem; padding: 14px; }
  .mobile-menu { padding: 16px; }
  .platform-nav a { flex: 1 1 100%; justify-content: center; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { width: 100%; }
}