/* ============================================================
   五量度 · service-live（直播服务）页 Apple 流体视觉层（2026-10-28）
   依赖 home-apple.css 的 .ah 设计令牌与基础组件（body 同时挂 ah / slvpage）。
   区块：首屏 / 适用场景 / 服务流程 / 交付物 / 品牌 / 深色带 / FAQ / CTA / 速览
   注意：不使用旧 style.css 的 .svc/.faq/.scene/.page-hero/.content 等类名，
        全部以 .slv- 前缀隔离，规则挂在 .slvpage 下。
   ============================================================ */

/* ============ 首屏：舞台主图 + 玻璃「直播清单」 ============ */
.slvpage .ah-stage-photo { aspect-ratio: 4 / 3; border-radius: 28px; }
.slvpage .ah-glass { width: min(320px, 88%); }
/* 首屏标题：控制字号，避免「声音，」被挤到下一行 */
.slvpage .ah-hero h1 { font-size: clamp(31px, 4.3vw, 58px); }
/* ON AIR 徽标：红色脉冲（真实状态提示，不虚构数据） */
.slv-onair {
  position: absolute; z-index: 2; left: 16px; top: 16px;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 13px; border-radius: 999px;
  background: rgba(160, 24, 40, .72); color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: .04em;
  border: 1px solid rgba(255, 255, 255, .3);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.slv-onair i {
  width: 7px; height: 7px; border-radius: 50%; background: #ff6b6b;
  box-shadow: 0 0 0 0 rgba(255, 107, 107, .6);
  animation: slvOnAir 1.8s ease-out infinite;
}
@keyframes slvOnAir {
  0% { box-shadow: 0 0 0 0 rgba(255, 107, 107, .55); }
  70% { box-shadow: 0 0 0 8px rgba(255, 107, 107, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0); }
}

/* 玻璃卡内的「直播能做什么」列表 */
.slv-chans { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.slv-chans li {
  display: flex; align-items: center; gap: 11px; padding: 9px 11px; border-radius: 13px;
  background: rgba(255, 255, 255, .66); border: 1px solid rgba(255, 255, 255, .9);
  transition: transform .5s var(--ah-spring), background .3s;
}
.slv-chans li:hover { transform: translateX(3px); background: #fff; }
.slv-chan-ico {
  flex: 0 0 30px; width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(22, 166, 199, .16), rgba(22, 166, 199, .05));
  color: var(--ah-brand-deep);
}
.slv-chan-ico svg { width: 15px; height: 15px; }
.slv-chans b { display: block; font-size: 13px; color: var(--ah-ink); line-height: 1.35; }
.slv-chans em { display: block; font-style: normal; font-size: 11.5px; color: var(--ah-ink-3); margin-top: 1px; }

/* 首屏小提示条 */
.slv-hero-note {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  padding: 8px 14px; border-radius: 12px;
  background: rgba(244, 167, 44, .10); border: 1px solid rgba(244, 167, 44, .28);
  font-size: 12.5px; color: #8a5a12; font-weight: 600;
}
.slv-hero-note b { color: #b26a00; }

/* ============ 适用场景：2×2 实景卡 ============ */
.slv-scene-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.slv-scene {
  position: relative; display: block; overflow: hidden; border-radius: 22px;
  aspect-ratio: 4 / 3; background: #eef3f7;
  border: 1px solid var(--ah-line); box-shadow: var(--ah-shadow-1);
  transition: transform .6s var(--ah-spring), box-shadow .5s, border-color .3s;
}
.slv-scene:hover { transform: translateY(-6px); box-shadow: var(--ah-shadow-2); border-color: rgba(22, 166, 199, .32); }
.slv-scene img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 1.15s var(--ah-ease);
}
.slv-scene:hover img { transform: scale(1.06); }
.slv-scene::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6, 24, 38, .08) 0%, rgba(6, 24, 38, 0) 34%, rgba(6, 24, 38, .78) 100%);
}
.slv-scene-tag {
  position: absolute; z-index: 2; left: 15px; top: 15px;
  font-size: 11.5px; font-weight: 700; color: #fff; letter-spacing: .04em;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(8, 26, 42, .46); border: 1px solid rgba(255, 255, 255, .26);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.slv-scene-body { position: absolute; z-index: 2; left: 18px; right: 18px; bottom: 16px; color: #fff; }
.slv-scene-body h3 { margin: 0; font-size: clamp(16px, 1.5vw, 19px); color: #fff; letter-spacing: -.01em; }
.slv-scene-body p { margin: 5px 0 0; font-size: 12.5px; color: rgba(255, 255, 255, .84); line-height: 1.6; }
.slv-scene-more {
  display: inline-flex; align-items: center; gap: 5px; margin-top: 8px;
  font-size: 12px; font-weight: 600; color: #d8f2fb;
}
.slv-scene-more i { font-style: normal; transition: transform .45s var(--ah-spring); }
.slv-scene:hover .slv-scene-more i { transform: translateX(4px); }

/* ============ 服务流程：五步 stepper（滚动点亮） ============ */
.slv-flow { position: relative; margin-top: clamp(26px, 3vw, 40px); }
.slv-flow-rail {
  position: absolute; left: 26px; right: 26px; top: 21px; height: 2px;
  background: var(--ah-line); border-radius: 2px; overflow: hidden;
}
.slv-flow-rail i {
  display: block; height: 100%; width: var(--p, 0%);
  background: linear-gradient(90deg, var(--ah-brand), #3fbfb2);
  transition: width .25s linear;
}
.slv-steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px;
  position: relative;
}
.slv-step { position: relative; text-align: center; padding: 0 4px; }
.slv-step-n {
  position: relative; z-index: 2; width: 44px; height: 44px; margin: 0 auto 14px;
  border-radius: 50%; display: grid; place-items: center;
  font-size: 15px; font-weight: 800; color: var(--ah-ink-3);
  background: #fff; border: 2px solid var(--ah-line);
  transition: transform .55s var(--ah-spring-soft), border-color .4s, background .4s, color .4s, box-shadow .4s;
}
.slv-step h3 { margin: 0; font-size: 15px; color: var(--ah-ink); letter-spacing: -.01em; transition: color .4s; }
.slv-step p { margin: 7px 0 0; font-size: 12.5px; color: var(--ah-ink-3); line-height: 1.7; }
.slv-step.on .slv-step-n {
  border-color: var(--ah-brand); background: var(--ah-brand); color: #fff;
  transform: scale(1.12); box-shadow: 0 8px 20px rgba(22, 166, 199, .32);
}
.slv-step.on h3 { color: var(--ah-brand-deep); }
/* 有 JS 才启用渐入；无 JS 全部可见 */
.slv-steps--js .slv-step { opacity: 0; transform: translateY(14px); transition: opacity .55s var(--ah-ease), transform .55s var(--ah-ease); }
.slv-steps--js .slv-step.on { opacity: 1; transform: none; }
.slv-flow-cta { margin-top: clamp(24px, 3vw, 36px); display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; }
.slv-flow-cta p { margin: 0; font-size: 13px; color: var(--ah-ink-3); }

/* ============ 交付物：三张卡 ============ */
.slv-deliver { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: clamp(22px, 2.6vw, 34px); }
.slv-dcard {
  position: relative; padding: 26px 22px 24px; border-radius: 20px; background: #fff;
  border: 1px solid var(--ah-line); box-shadow: var(--ah-shadow-1); overflow: hidden;
  transition: transform .55s var(--ah-spring), box-shadow .5s, border-color .3s;
}
.slv-dcard:hover { transform: translateY(-5px); box-shadow: var(--ah-shadow-2); border-color: rgba(22, 166, 199, .3); }
.slv-dcard::before {
  content: ""; position: absolute; right: -40px; top: -40px; width: 130px; height: 130px;
  border-radius: 50%; background: radial-gradient(circle, rgba(22, 166, 199, .13), transparent 70%);
}
.slv-dcard-ico {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(22, 166, 199, .16), rgba(22, 166, 199, .05));
  color: var(--ah-brand-deep); margin-bottom: 15px;
}
.slv-dcard-ico svg { width: 24px; height: 24px; }
.slv-dcard-no {
  position: absolute; right: 18px; top: 14px; font-size: 30px; font-weight: 800;
  color: rgba(12, 40, 70, .07); letter-spacing: -.02em;
}
.slv-dcard h3 { margin: 0; font-size: 16px; color: var(--ah-ink); letter-spacing: -.01em; }
.slv-dcard p { margin: 8px 0 0; font-size: 13px; color: var(--ah-ink-2); line-height: 1.75; }
.slv-dcard-tag {
  display: inline-block; margin-top: 13px; font-size: 11.5px; font-weight: 600;
  color: var(--ah-brand-deep); background: rgba(22, 166, 199, .09);
  padding: 4px 10px; border-radius: 7px;
}

/* ============ 品牌墙标题 + 说明 ============ */
.slv-wall-head { text-align: center; margin-bottom: clamp(22px, 3vw, 34px); }
.slv-wall-head h2 { margin: 12px 0 0; font-size: clamp(23px, 2.9vw, 34px); color: var(--ah-ink); }
.slv-wall-head p { margin: 12px auto 0; max-width: 600px; font-size: 15px; color: var(--ah-ink-2); line-height: 1.8; }
.slv-wall-note {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 14px;
  margin-top: 24px; font-size: 13px; color: var(--ah-ink-2);
}
.slv-wall-note a { font-weight: 700; }

/* ============ 深色带（复用 ah-band），仅微调图文比例 ============ */
.slvpage .ah-band { align-items: center; }
.slvpage .ah-band-fig { aspect-ratio: auto; }

/* ============ FAQ 分组说明 ============ */
.slv-faq-intro {
  display: flex; align-items: center; gap: 10px; justify-content: center;
  margin-bottom: 20px; font-size: 13px; color: var(--ah-ink-3);
}
.slv-faq-intro b { color: var(--ah-brand-deep); }
.slv-faq { max-width: 860px; margin: 0 auto; }

/* ============ 深色 CTA ============ */
.slv-cta {
  position: relative; overflow: hidden; border-radius: 26px; margin-top: clamp(30px, 4vw, 52px);
  background: linear-gradient(135deg, #0b2f45 0%, #10465c 55%, #0e6f7e 100%);
  color: #fff; padding: clamp(34px, 4.4vw, 60px) clamp(24px, 4vw, 56px);
  box-shadow: var(--ah-shadow-3);
}
.slv-cta::before, .slv-cta::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(10px); pointer-events: none;
}
.slv-cta::before { width: 340px; height: 340px; right: -90px; top: -120px; background: rgba(63, 191, 178, .28); }
.slv-cta::after { width: 260px; height: 260px; left: -70px; bottom: -110px; background: rgba(22, 166, 199, .24); }
.slv-cta-in { position: relative; z-index: 2; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 22px 36px; }
/* 显式白色：旧 style.css 的 bare h2 {color:var(--c-deep)} 会盖掉继承色 */
.slv-cta h2 { margin: 0; font-size: clamp(22px, 2.6vw, 30px); letter-spacing: -.01em; line-height: 1.3; color: #fff; }
.slv-cta p { margin: 9px 0 0; font-size: 14px; color: rgba(255, 255, 255, .78); max-width: 560px; line-height: 1.8; }
.slv-cta-tel { display: flex; align-items: baseline; gap: 10px; margin-top: 14px; }
.slv-cta-tel b { font-size: clamp(26px, 3vw, 36px); font-weight: 800; letter-spacing: -.01em; }
.slv-cta-tel span { font-size: 12.5px; color: rgba(255, 255, 255, .72); }
.slv-cta-acts { display: flex; flex-wrap: wrap; gap: 12px; }
.slv-cta .ah-btn--glass { background: rgba(255, 255, 255, .14); color: #fff; border-color: rgba(255, 255, 255, .34); }
.slv-cta .ah-btn--glass:hover { background: rgba(255, 255, 255, .22); }
.slv-cta .ah-btn--ghost { color: #fff; border-color: rgba(255, 255, 255, .4); }
.slv-cta .ah-btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .1); }

/* ============ 响应式 ============ */
@media (max-width: 980px) {
  .slv-flow-rail { display: none; }
  .slv-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 16px; }
  .slv-step:nth-child(5) { grid-column: 1 / -1; max-width: 320px; margin: 0 auto; }
}
@media (max-width: 820px) {
  .slv-deliver { grid-template-columns: 1fr; }
  .slv-scene-grid { gap: 14px; }
  .slv-cta { border-radius: 20px; }
  .slv-cta-in { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .slv-scene-grid { grid-template-columns: 1fr; }
  .slv-steps { grid-template-columns: 1fr; gap: 14px; }
  .slv-step { display: flex; align-items: flex-start; gap: 14px; text-align: left; padding: 0; }
  .slv-step-n { margin: 0; flex: 0 0 40px; width: 40px; height: 40px; }
  .slv-step:nth-child(5) { max-width: none; margin: 0; }
  .slv-step.on .slv-step-n { transform: none; }
  .slv-page-note { display: none; }
}

/* 减弱动效：关闭脉冲与渐入位移 */
@media (prefers-reduced-motion: reduce) {
  .slv-onair i, .slv-scene img, .slv-dcard { animation: none !important; }
  .slv-steps--js .slv-step { opacity: 1 !important; transform: none !important; }
}