/* ===== Design Tokens ===== */
:root {
  --blue: #2563eb;
  --blue-600: #1d4ed8;
  --blue-50: #eff6ff;
  --coral: #ff7a8a;
  --sun: #ffbf47;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --radius: 16px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
  --shadow: 0 10px 30px rgba(37, 99, 235, .10);
  --max: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--blue);
  background: var(--blue-50);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.site-header.scrolled { border-color: var(--line); box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { display: inline-flex; }
.brand-logo img { width: 34px; height: 34px; border-radius: 8px; object-fit: contain; display: block; }
.brand-name { font-size: 19px; font-weight: 700; letter-spacing: .02em; }
.nav { display: flex; gap: 30px; }
.nav a { font-size: 15px; color: var(--ink-2); font-weight: 500; position: relative; transition: color .2s; }
.nav a:hover { color: var(--blue); }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--blue); border-radius: 2px; transition: width .25s;
}
.nav a:hover::after { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 26px; border-radius: 12px; font-size: 15px; font-weight: 600;
  transition: transform .15s, box-shadow .2s, background .2s; cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--blue-600); transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: 84px 0 96px; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(circle at 76% 18%, rgba(19, 185, 129, .16), transparent 40%),
    radial-gradient(circle at 14% 76%, rgba(255, 122, 138, .14), transparent 42%),
    linear-gradient(180deg, #f4fff9 0%, #fff9fb 52%, #ffffff 78%);
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-copy h1 { font-size: 52px; line-height: 1.14; letter-spacing: -.01em; margin-bottom: 20px; }
.hero-sub { font-size: 18px; color: var(--muted); max-width: 540px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { list-style: none; display: flex; gap: 40px; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 22px; color: var(--blue); }
.hero-stats span { font-size: 13px; color: var(--muted); }

/* Hero phone mock */
.hero-visual { display: flex; justify-content: center; }
.phone {
  width: 290px; background: #fff; border-radius: 30px; padding: 16px;
  box-shadow: 0 30px 70px rgba(37, 99, 235, .22); border: 1px solid var(--line);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.phone-top { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; padding: 6px 8px 14px; border-bottom: 1px solid var(--line); }
.phone-top .dot { width: 9px; height: 9px; border-radius: 50%; background: #22c55e; }
.chat { display: flex; flex-direction: column; gap: 12px; padding: 18px 4px; min-height: 240px; }
.bubble { max-width: 78%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.5; }
.bubble.in { align-self: flex-start; background: var(--bg-alt); border-bottom-left-radius: 4px; }
.bubble.out { align-self: flex-end; background: var(--blue); color: #fff; border-bottom-right-radius: 4px; }
.phone-input { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; padding: 11px 14px; background: var(--bg-alt); border-radius: 12px; color: var(--muted); font-size: 14px; }
.phone-input .send { width: 26px; height: 26px; border-radius: 50%; background: var(--blue); position: relative; }
.phone-input .send::after { content: ""; position: absolute; inset: 0; margin: auto; width: 0; height: 0; border-left: 8px solid #fff; border-top: 5px solid transparent; border-bottom: 5px solid transparent; left: 2px; }

/* ===== Sections ===== */
.section { padding: 92px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head h2 { font-size: 36px; letter-spacing: -.01em; margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 17px; }

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

/* ===== Cards ===== */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(37, 99, 235, .35); }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }
.card-plain { background: var(--bg-alt); border-color: transparent; }

.card-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 20px;
  background: var(--blue-50); position: relative;
}
.card-icon::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 26px; height: 26px; background: var(--blue);
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-position: center; mask-position: center;
  -webkit-mask-size: contain; mask-size: contain;
}
.i-msg::after  { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M4 4h16a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2H9l-5 4V6a2 2 0 0 1 2-2z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M4 4h16a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2H9l-5 4V6a2 2 0 0 1 2-2z'/%3E%3C/svg%3E"); }
.i-group::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M16 11a4 4 0 1 0-4-4 4 4 0 0 0 4 4zm-8 1a3 3 0 1 0-3-3 3 3 0 0 0 3 3zm0 2c-2.7 0-8 1.3-8 4v3h9v-3a4.6 4.6 0 0 1 1.6-3.4A12 12 0 0 0 8 14zm8 0c-3 0-9 1.5-9 4.5V21h18v-2.5c0-3-6-4.5-9-4.5z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M16 11a4 4 0 1 0-4-4 4 4 0 0 0 4 4zm-8 1a3 3 0 1 0-3-3 3 3 0 0 0 3 3zm0 2c-2.7 0-8 1.3-8 4v3h9v-3a4.6 4.6 0 0 1 1.6-3.4A12 12 0 0 0 8 14zm8 0c-3 0-9 1.5-9 4.5V21h18v-2.5c0-3-6-4.5-9-4.5z'/%3E%3C/svg%3E"); }
.i-file::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8zm0 2 4 4h-4z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8zm0 2 4 4h-4z'/%3E%3C/svg%3E"); }
.i-av::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M17 10.5V7a1 1 0 0 0-1-1H4a1 1 0 0 0-1 1v10a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-3.5l4 4v-11z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M17 10.5V7a1 1 0 0 0-1-1H4a1 1 0 0 0-1 1v10a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-3.5l4 4v-11z'/%3E%3C/svg%3E"); }
.i-org::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M10 2h4v4h6v4h-4v3h-2v-3h-4v3H8v-3H4V6h6zM4 16h6v6H4zm10 0h6v6h-6z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M10 2h4v4h6v4h-4v3h-2v-3h-4v3H8v-3H4V6h6zM4 16h6v6H4zm10 0h6v6h-6z'/%3E%3C/svg%3E"); }
.i-multi::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M3 5h14v9H3zm0 11h14v2H3zm16-9h3v11h-3z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M3 5h14v9H3zm0 11h14v2H3zm16-9h3v11h-3z'/%3E%3C/svg%3E"); }
.i-lock::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12 1a5 5 0 0 0-5 5v3H6a2 2 0 0 0-2 2v9a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-9a2 2 0 0 0-2-2h-1V6a5 5 0 0 0-5-5zm-3 8V6a3 3 0 0 1 6 0v3z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12 1a5 5 0 0 0-5 5v3H6a2 2 0 0 0-2 2v9a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-9a2 2 0 0 0-2-2h-1V6a5 5 0 0 0-5-5zm-3 8V6a3 3 0 0 1 6 0v3z'/%3E%3C/svg%3E"); }
.i-shield::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12 1 3 5v6c0 5 3.8 9.7 9 11 5.2-1.3 9-6 9-11V5z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12 1 3 5v6c0 5 3.8 9.7 9 11 5.2-1.3 9-6 9-11V5z'/%3E%3C/svg%3E"); }
.i-doc::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M6 2h8l6 6v14H6zm8 1.5V8h4.5zM8 12h8v2H8zm0 4h8v2H8z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M6 2h8l6 6v14H6zm8 1.5V8h4.5zM8 12h8v2H8zm0 4h8v2H8z'/%3E%3C/svg%3E"); }

/* ===== Scenes ===== */
.scene {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 30px; position: relative; overflow: hidden; transition: transform .2s, box-shadow .2s;
}
.scene:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.scene-no { font-size: 44px; font-weight: 800; color: var(--blue-50); line-height: 1; display: block; margin-bottom: 8px; }
.scene h3 { font-size: 21px; margin-bottom: 10px; }
.scene p { color: var(--muted); font-size: 15px; }

/* ===== CTA / Download ===== */
.section-cta { padding: 80px 0; }
.cta-box {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #3b82f6 100%);
  border-radius: 26px; padding: 56px 48px; color: #fff;
  display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center;
  box-shadow: 0 24px 60px rgba(37, 99, 235, .3);
}
.cta-text h2 { font-size: 30px; margin-bottom: 10px; }
.cta-text p { opacity: .9; font-size: 16px; max-width: 420px; }
.cta-qrs { display: flex; gap: 18px; }
.qr-card {
  background: #fff; border-radius: 16px; padding: 14px; width: 168px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  box-shadow: 0 12px 30px rgba(13, 23, 50, .2); transition: transform .15s;
}
.qr-card:hover { transform: translateY(-4px); }
.qr-card img { width: 132px; height: 132px; border-radius: 8px; }
.qr-label { display: flex; align-items: center; gap: 8px; width: 100%; }
.qr-label span:last-child { display: flex; flex-direction: column; font-size: 13px; font-weight: 600; color: var(--ink); line-height: 1.35; }
.qr-label small { font-size: 12px; font-weight: 400; color: var(--muted); }
.dl-ico { width: 28px; height: 28px; background: var(--blue-50); border-radius: 8px; flex: none; position: relative; }
.dl-ico::after { content: ""; position: absolute; inset: 0; margin: auto; width: 20px; height: 20px; background: var(--blue); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; }
.dl-ico.ios::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M17.6 12.7c0-2.3 1.9-3.4 2-3.5-1.1-1.6-2.8-1.8-3.4-1.8-1.4-.1-2.8.9-3.5.9s-1.8-.9-3-.9c-1.5 0-2.9.9-3.7 2.3-1.6 2.7-.4 6.8 1.1 9 .7 1.1 1.6 2.3 2.8 2.2 1.1 0 1.5-.7 2.9-.7s1.7.7 2.9.7 2-1.1 2.7-2.1c.8-1.2 1.2-2.3 1.2-2.4-.1 0-2.3-.9-2.3-3.5zM15.3 5.8c.6-.8 1-1.8.9-2.9-.9 0-2 .6-2.6 1.4-.6.7-1.1 1.7-.9 2.8 1 0 2-.5 2.6-1.3z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M17.6 12.7c0-2.3 1.9-3.4 2-3.5-1.1-1.6-2.8-1.8-3.4-1.8-1.4-.1-2.8.9-3.5.9s-1.8-.9-3-.9c-1.5 0-2.9.9-3.7 2.3-1.6 2.7-.4 6.8 1.1 9 .7 1.1 1.6 2.3 2.8 2.2 1.1 0 1.5-.7 2.9-.7s1.7.7 2.9.7 2-1.1 2.7-2.1c.8-1.2 1.2-2.3 1.2-2.4-.1 0-2.3-.9-2.3-3.5zM15.3 5.8c.6-.8 1-1.8.9-2.9-.9 0-2 .6-2.6 1.4-.6.7-1.1 1.7-.9 2.8 1 0 2-.5 2.6-1.3z'/%3E%3C/svg%3E"); }
.dl-ico.android::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M5 9.5h14V18a1 1 0 0 1-1 1h-1v3h-2v-3H9v3H7v-3H6a1 1 0 0 1-1-1zM3 9.5h1.5V16H3zm16.5 0H21V16h-1.5zM16.3 3l1.2-1.8a.4.4 0 0 0-.7-.4L15.5 2.6a7 7 0 0 0-7 0L7.2.8a.4.4 0 0 0-.7.4L7.7 3A6 6 0 0 0 5 8h14a6 6 0 0 0-2.7-5zM9.5 6a.8.8 0 1 1 0-1.6.8.8 0 0 1 0 1.6zm5 0a.8.8 0 1 1 0-1.6.8.8 0 0 1 0 1.6z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M5 9.5h14V18a1 1 0 0 1-1 1h-1v3h-2v-3H9v3H7v-3H6a1 1 0 0 1-1-1zM3 9.5h1.5V16H3zm16.5 0H21V16h-1.5zM16.3 3l1.2-1.8a.4.4 0 0 0-.7-.4L15.5 2.6a7 7 0 0 0-7 0L7.2.8a.4.4 0 0 0-.7.4L7.7 3A6 6 0 0 0 5 8h14a6 6 0 0 0-2.7-5zM9.5 6a.8.8 0 1 1 0-1.6.8.8 0 0 1 0 1.6zm5 0a.8.8 0 1 1 0-1.6.8.8 0 0 1 0 1.6z'/%3E%3C/svg%3E"); }
.dl-ico.web::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20zm6.9 6h-2.8a15.7 15.7 0 0 0-1.3-3.4A8 8 0 0 1 18.9 8zM12 4c.8 1.2 1.4 2.5 1.8 4h-3.6c.4-1.5 1-2.8 1.8-4zM4.3 14a7.8 7.8 0 0 1 0-4h3.2a17 17 0 0 0 0 4zm.8 2h2.8c.3 1.2.8 2.4 1.3 3.4A8 8 0 0 1 5.1 16zm2.8-8H5.1a8 8 0 0 1 4.1-3.4A15.7 15.7 0 0 0 7.9 8zM12 20c-.8-1.2-1.4-2.5-1.8-4h3.6c-.4 1.5-1 2.8-1.8 4zm2.2-6H9.8a14.7 14.7 0 0 1 0-4h4.4a14.7 14.7 0 0 1 0 4zm.6 5.4c.5-1 1-2.2 1.3-3.4h2.8a8 8 0 0 1-4.1 3.4zM16.5 14a17 17 0 0 0 0-4h3.2a7.8 7.8 0 0 1 0 4z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20zm6.9 6h-2.8a15.7 15.7 0 0 0-1.3-3.4A8 8 0 0 1 18.9 8zM12 4c.8 1.2 1.4 2.5 1.8 4h-3.6c.4-1.5 1-2.8 1.8-4zM4.3 14a7.8 7.8 0 0 1 0-4h3.2a17 17 0 0 0 0 4zm.8 2h2.8c.3 1.2.8 2.4 1.3 3.4A8 8 0 0 1 5.1 16zm2.8-8H5.1a8 8 0 0 1 4.1-3.4A15.7 15.7 0 0 0 7.9 8zM12 20c-.8-1.2-1.4-2.5-1.8-4h3.6c-.4 1.5-1 2.8-1.8 4zm2.2-6H9.8a14.7 14.7 0 0 1 0-4h4.4a14.7 14.7 0 0 1 0 4zm.6 5.4c.5-1 1-2.2 1.3-3.4h2.8a8 8 0 0 1-4.1 3.4zM16.5 14a17 17 0 0 0 0-4h3.2a7.8 7.8 0 0 1 0 4z'/%3E%3C/svg%3E"); }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.contact-ico { width: 44px; height: 44px; border-radius: 12px; background: var(--blue-50); flex: none; position: relative; }
.contact-ico::after { content: ""; position: absolute; inset: 0; margin: auto; width: 22px; height: 22px; background: var(--blue); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; }
.i-mail::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M2 5h20v14H2zm2 2v.5l8 5 8-5V7l-8 5z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M2 5h20v14H2zm2 2v.5l8 5 8-5V7l-8 5z'/%3E%3C/svg%3E"); }
.i-company::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M3 21V3h10v6h8v12zM7 7h2v2H7zm0 4h2v2H7zm0 4h2v2H7zm6 0h2v2h-2zm4 0h2v2h-2zm-4-4h2v2h-2zm4 0h2v2h-2z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M3 21V3h10v6h8v12zM7 7h2v2H7zm0 4h2v2H7zm0 4h2v2H7zm6 0h2v2h-2zm4 0h2v2h-2zm-4-4h2v2h-2zm4 0h2v2h-2z'/%3E%3C/svg%3E"); }
.i-link::after { -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M3.9 12a3.1 3.1 0 0 1 3.1-3.1h4V7h-4a5 5 0 0 0 0 10h4v-1.9h-4A3.1 3.1 0 0 1 3.9 12zM8 13h8v-2H8zm5-6v1.9h4a3.1 3.1 0 0 1 0 6.2h-4V17h4a5 5 0 0 0 0-10z'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M3.9 12a3.1 3.1 0 0 1 3.1-3.1h4V7h-4a5 5 0 0 0 0 10h4v-1.9h-4A3.1 3.1 0 0 1 3.9 12zM8 13h8v-2H8zm5-6v1.9h4a3.1 3.1 0 0 1 0 6.2h-4V17h4a5 5 0 0 0 0-10z'/%3E%3C/svg%3E"); }
.contact-item h4 { font-size: 16px; margin-bottom: 4px; }
.contact-item a { color: var(--blue); }
.contact-item p { color: var(--muted); font-size: 15px; }

/* ===== Footer ===== */
.site-footer { background: #0b1220; color: #cbd5e1; padding: 48px 0 32px; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 28px 40px; align-items: start; }
.footer-brand .brand-name { color: #fff; font-size: 20px; }
.footer-brand p { color: #94a3b8; font-size: 14px; margin-top: 4px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px 26px; }
.footer-links a { color: #cbd5e1; font-size: 14px; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-meta { grid-column: 1 / -1; border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-meta p, .footer-meta a { color: #94a3b8; font-size: 13px; }
.footer-meta a:hover { color: #fff; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== Sub-pages (privacy / agreement) ===== */
.page-hero { background: var(--bg-alt); padding: 64px 0 40px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: 36px; margin-bottom: 8px; }
.page-hero p { color: var(--muted); }
.legal { padding: 56px 0 80px; }
.legal-body { max-width: 820px; margin: 0 auto; }
.legal-body h2 { font-size: 22px; margin: 36px 0 12px; }
.legal-body h3 { font-size: 17px; margin: 24px 0 8px; }
.legal-body p, .legal-body li { color: var(--ink-2); font-size: 15.5px; margin-bottom: 10px; }
.legal-body ul { padding-left: 22px; }
.legal-body .updated { color: var(--muted); font-size: 14px; }
.back-home { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); font-weight: 600; margin-bottom: 24px; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-copy h1 { font-size: 40px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .cta-box { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .nav {
    position: fixed; inset: 66px 0 auto 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 0;
    transform: translateY(-150%); transition: transform .3s; box-shadow: var(--shadow-sm);
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 14px 24px; }
  .nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 64px; }
  .hero-copy h1 { font-size: 34px; }
  .hero-stats { gap: 24px; }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 28px; }
  .cta-box { padding: 40px 28px; }
  .cta-qrs { justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; }
}