/* ============================================================
   Home — 60cp.com.cn
   Layout: editorial hero → quick nav → split service blocks →
   dark room band → feature trio → support CTA → FAQ
   ============================================================ */

/* ---------------- hero ---------------- */
.hero { position: relative; padding: 84px 0 76px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(760px 420px at 78% 18%, rgba(224, 182, 96, .13), transparent 62%),
    radial-gradient(620px 420px at 12% 92%, rgba(76, 111, 255, .09), transparent 60%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.06fr .94fr; gap: 56px; align-items: center;
}
.hero-copy h1 {
  font-size: clamp(34px, 4.6vw, 60px);
  font-weight: 800; line-height: 1.12; letter-spacing: -.02em;
  margin-bottom: 20px;
}
.hero-copy h1 .line-2 {
  display: block;
  background: linear-gradient(100deg, #fff4d6, var(--gold) 58%, #c9973f);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-copy p { max-width: 520px; color: var(--muted); font-size: 16.5px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-actions .btn { min-width: 176px; }
.hero-note {
  display: flex; align-items: center; gap: 8px;
  margin-top: 16px; font-size: 13px; color: var(--muted-2);
}
.hero-note .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(70,211,154,.12); }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; margin-top: 40px; max-width: 520px;
  border-top: 1px solid var(--line); padding-top: 24px;
}
.hero-stats div { padding-right: 18px; }
.hero-stats div + div { border-left: 1px solid var(--line); padding-left: 20px; }
.hero-stats strong { display: block; font-size: 22px; font-weight: 800; letter-spacing: -.01em; }
.hero-stats span { font-size: 12.5px; color: var(--muted-2); }

.hero-visual { position: relative; }
.hero-visual .frame {
  border-radius: 30px; overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  transform: perspective(1400px) rotateY(-5deg) rotateX(2deg);
  transition: transform .7s cubic-bezier(.2,.7,.2,1);
}
.hero-visual:hover .frame { transform: perspective(1400px) rotateY(0) rotateX(0); }
.hero-visual img { width: 100%; height: auto; }
.hero-visual .float-tag {
  position: absolute; left: -18px; bottom: 26px;
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px; border-radius: 12px;
  background: rgba(12, 17, 30, .92); border: 1px solid var(--line-strong);
  backdrop-filter: blur(12px); box-shadow: 0 18px 40px -20px #000;
  font-size: 12.5px; color: var(--muted);
}
.hero-visual .float-tag strong { color: var(--gold-2); }

/* ---------------- quick nav strip ---------------- */
.quicknav {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.018);
}
.quicknav-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.quicknav a {
  display: flex; align-items: center; gap: 14px;
  padding: 26px 24px; border-left: 1px solid var(--line);
  transition: background .22s;
}
.quicknav a:first-child { border-left: 0; }
.quicknav a:hover { background: rgba(224,182,96,.05); }
.quicknav .num {
  font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--gold);
  opacity: .8;
}
.quicknav .txt strong { display: block; font-size: 15px; }
.quicknav .txt span { font-size: 12.5px; color: var(--muted-2); }
.quicknav .arrow { margin-left: auto; color: var(--muted-2); transition: transform .22s, color .22s; }
.quicknav a:hover .arrow { transform: translateX(4px); color: var(--gold); }

/* ---------------- split blocks ---------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-copy h2 { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 16px; }
.split-copy > p { color: var(--muted); font-size: 16px; margin-bottom: 26px; }

.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: grid; grid-template-columns: 44px 1fr; gap: 18px;
  padding: 20px 0; border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step-n {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  font-size: 13px; font-weight: 800; color: var(--gold-2);
  background: rgba(224,182,96,.09); border: 1px solid rgba(224,182,96,.24);
}
.step h3 { font-size: 15.5px; margin-bottom: 5px; }
.step p { font-size: 13.5px; color: var(--muted); }

.media-card {
  border-radius: 22px; border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.015));
  padding: 26px; box-shadow: var(--shadow);
}
.channel-list { display: flex; flex-direction: column; gap: 10px; }
.channel {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px; border-radius: 13px;
  border: 1px solid var(--line); background: rgba(0,0,0,.22);
}
.channel .ico {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(224,182,96,.1); color: var(--gold-2); flex: none;
}
.channel .ico svg { width: 18px; height: 18px; }
.channel strong { display: block; font-size: 14.5px; }
.channel span { font-size: 12.5px; color: var(--muted-2); }
.channel .state {
  margin-left: auto; font-size: 11.5px; padding: 3px 9px; border-radius: 999px;
  color: #6fe3b4; background: rgba(70,211,154,.1); border: 1px solid rgba(70,211,154,.25);
  white-space: nowrap;
}

/* ---------------- room band ---------------- */
.room-band {
  position: relative; margin: 40px 0; padding: 74px 0;
  border-top: 1px solid rgba(224,182,96,.2);
  border-bottom: 1px solid rgba(224,182,96,.2);
  background:
    radial-gradient(720px 320px at 22% 50%, rgba(224,182,96,.10), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,.25));
  overflow: hidden;
}
.room-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.room-number {
  font-size: clamp(46px, 8vw, 92px); font-weight: 800; letter-spacing: .04em;
  line-height: 1; margin: 8px 0 14px;
  background: linear-gradient(120deg, #fff6dd, var(--gold) 55%, #b98a34);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.room-inner p { color: var(--muted); font-size: 15.5px; max-width: 420px; }
.room-copy .btn { margin-top: 26px; }
.perm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.perm {
  padding: 18px; border-radius: 13px; border: 1px solid var(--line);
  background: rgba(10,14,26,.55);
}
.perm h3 { font-size: 14px; margin-bottom: 6px; color: var(--gold-2); }
.perm p { font-size: 12.5px; color: var(--muted); line-height: 1.65; }

/* ---------------- features ---------------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { padding: 28px 24px; }
.feature .ico {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(224,182,96,.1); color: var(--gold-2); margin-bottom: 18px;
}
.feature .ico svg { width: 21px; height: 21px; }
.feature h3 { font-size: 16.5px; margin-bottom: 9px; }
.feature p { font-size: 13.5px; color: var(--muted); }
.feature a { display: inline-block; margin-top: 14px; font-size: 13px; color: var(--gold-2); }

/* ---------------- faq ---------------- */
.faq { max-width: 860px; margin-inline: auto; }
.faq details {
  border-bottom: 1px solid var(--line); padding: 4px 0;
}
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative;
  font-size: 16px; font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  font-size: 22px; font-weight: 300; color: var(--gold); transition: transform .25s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 0 24px; color: var(--muted); font-size: 14.5px; max-width: 760px; }
.faq details p + p { padding-top: 0; margin-top: -12px; }

/* ---------------- responsive ---------------- */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy p { max-width: none; }
  .hero-visual .frame { transform: none; }
  .hero-visual .float-tag { left: 12px; bottom: 12px; }
  .quicknav-inner { grid-template-columns: 1fr 1fr; }
  .quicknav a:nth-child(3) { border-left: 0; }
  .quicknav a:nth-child(n+3) { border-top: 1px solid var(--line); }
  .split, .room-inner, .support { grid-template-columns: 1fr; gap: 38px; }
  .split.reverse .split-media { order: 0; }
  .support { padding: 40px 30px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .hero { padding: 52px 0 56px; }
  .hero-copy h1 { font-size: 31px; }
  .hero-copy h1 .line-2 { font-size: .92em; }
  .hero-stats { grid-template-columns: 1fr 1fr; row-gap: 20px; }
  .hero-stats div:nth-child(3) { border-left: 0; padding-left: 0; }
  .hero-actions .btn { min-width: 0; }
  .quicknav-inner { grid-template-columns: 1fr; }
  .quicknav a { border-left: 0; }
  .quicknav a + a { border-top: 1px solid var(--line); }
  .feature-grid, .perm-grid { grid-template-columns: 1fr; }
  .room-band { padding: 52px 0; }
  .support { padding: 32px 22px; }
}