/* ===== MyHoLink 流量卡官网 样式表 ===== */
:root {
  --brand: #2b59ff;
  --brand-2: #00b4ff;
  --brand-3: #7c4dff;
  --brand-dark: #1633c4;
  --accent: #ff5a2c;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e6ecf7;
  --bg: #ffffff;
  --bg-soft: #f4f8ff;
  --bg-deep: #0a1744;
  --ok: #11b56a;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px rgba(20, 50, 120, 0.10);
  --shadow-sm: 0 8px 24px rgba(20, 50, 120, 0.08);
  --grad: linear-gradient(120deg, #2b59ff 0%, #7c4dff 48%, #00c2ff 100%);
  --grad-soft: linear-gradient(135deg, #eaf1ff 0%, #f5f0ff 100%);
  /* 运营商配色 */
  --op-mobile: #00a1e9;
  --op-unicom: #e60012;
  --op-telecom: #1b6fd9;
  --op-broadcast: #ff6a00;
  --container: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display: inline-block; font-size: 14px; font-weight: 700; letter-spacing: 2px;
  color: var(--brand); background: var(--grad-soft); padding: 6px 16px; border-radius: 999px; margin-bottom: 18px;
}
.section-head h2 { font-size: 38px; line-height: 1.25; font-weight: 800; letter-spacing: -0.5px; }
.section-head p { color: var(--muted); font-size: 17px; margin-top: 16px; }

/* ===== 线性图标 ===== */
.ico { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.ic-box .ico { width: 26px; height: 26px; }
.trustbar .ico { width: 21px; height: 21px; }
.trustbar .t-item .ic { color: #a9cdff; }
.footer .ico { width: 16px; height: 16px; }
.prod-switch .ico { width: 17px; height: 17px; }
.prod-switch button { display: inline-flex; align-items: center; gap: 6px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 30px; border-radius: 999px; font-weight: 700; font-size: 16px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease; cursor: pointer; border: none;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 12px 30px rgba(43, 89, 255, .35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(43, 89, 255, .45); }
.btn-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.26); }
.btn-outline { background: #fff; color: var(--brand); border: 1.5px solid var(--brand); }
.btn-outline:hover { background: var(--brand); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--brand); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ===== 顶部导航 ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.82); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent; transition: all .3s ease;
}
.header.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px rgba(20,50,120,.06); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; }
.brand .logo-img { width: 40px; height: 40px; object-fit: contain; flex-shrink: 0; filter: drop-shadow(0 4px 10px rgba(43, 89, 255, .25)); }
.brand small { display: block; font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: 1px; margin-top: 1px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 15px; font-weight: 600; color: var(--ink-2); position: relative; transition: color .2s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--grad); border-radius: 2px; transition: width .25s ease;
}
.nav-links a:hover { color: var(--brand); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--ink); border-radius: 3px; transition: .3s; }

/* ===== Hero 全幅轮播 ===== */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero-slider { position: relative; height: 690px; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .8s ease, visibility .8s ease;
}
.hero-slide.active { opacity: 1; visibility: visible; pointer-events: auto; z-index: 2; }
.hero-slide::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.05), transparent 34%);
}
.slide-1 { background: radial-gradient(760px 520px at 82% 22%, rgba(0,150,255,.35), transparent 65%), linear-gradient(112deg, #0b1c56 0%, #1b3dc4 58%, #0a559e 100%); }
.slide-2 { background: radial-gradient(760px 520px at 82% 22%, rgba(255,120,160,.32), transparent 65%), linear-gradient(112deg, #2a1152 0%, #55229e 58%, #8b2a8e 100%); }
.slide-3 { background: radial-gradient(760px 520px at 82% 22%, rgba(0,210,190,.3), transparent 65%), linear-gradient(112deg, #04263f 0%, #0a5a70 58%, #0a757a 100%); }

.hero-inner {
  position: relative; z-index: 3; max-width: var(--container); margin: 0 auto;
  padding: 112px 22px 200px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center;
}
.hero-copy { max-width: 620px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.28); padding: 7px 16px; border-radius: 999px;
  font-size: 14px; font-weight: 600; margin-bottom: 20px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #38f0a0; box-shadow: 0 0 0 4px rgba(56,240,160,.25); }
.hero h1 { font-size: 50px; line-height: 1.18; font-weight: 900; letter-spacing: -1px; }
.hero h1 .hl { color: #ffd66b; }
.hero p.lead { font-size: 18px; color: rgba(255,255,255,.86); margin: 18px 0 28px; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { position: relative; z-index: 2; display: flex; align-items: center; justify-content: center; }

/* Hero 品牌徽标图 */
.emblem {
  position: relative; width: 340px; height: 340px; display: grid; place-items: center;
  --em-accent: #ffd66b;
}
.slide-2 .emblem { --em-accent: #ffb3d6; }
.slide-3 .emblem { --em-accent: #5fe6d0; }
.em-ring { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.em-ring circle { fill: none; }
.em-ring circle:nth-of-type(1) { stroke: rgba(255,255,255,.18); stroke-width: 1.4; }
.em-ring circle:nth-of-type(2) { stroke: rgba(255,255,255,.22); stroke-width: 1; stroke-dasharray: 2 9; transform-origin: 170px 170px; }
.em-ring circle.arc {
  stroke: var(--em-accent); stroke-width: 3; stroke-linecap: round; opacity: .95;
  stroke-dasharray: 205 840; transform: rotate(-104deg); transform-origin: 170px 170px;
}
.hero-slide.active .em-ring circle:nth-of-type(2) { animation: emSpin 60s linear infinite; }
@keyframes emSpin { to { transform: rotate(360deg); } }

.em-core {
  position: relative; width: 254px; height: 254px; border-radius: 50%; padding: 18px;
  display: grid; align-content: center; justify-items: center; gap: 2px; text-align: center;
  background: radial-gradient(circle at 50% 22%, rgba(255,255,255,.24), rgba(255,255,255,.05) 74%);
  border: 1px solid rgba(255,255,255,.3);
  box-shadow: 0 22px 54px rgba(4,12,40,.3), inset 0 1px 0 rgba(255,255,255,.26);
}
.em-tag {
  font-size: 12.5px; font-weight: 800; letter-spacing: .5px;
  color: #17224d; background: var(--em-accent); border: 1px solid transparent;
  padding: 3px 13px; border-radius: 999px;
}
.em-num {
  display: flex; align-items: baseline; justify-content: center; gap: 2px; margin-top: 5px;
  font-size: 62px; line-height: 1.05; font-weight: 900; letter-spacing: -2px; color: #fff;
}
.em-num i { font-style: normal; font-size: 22px; font-weight: 800; letter-spacing: 0; color: rgba(255,255,255,.72); }
.em-sub { font-size: 13.5px; font-weight: 700; color: rgba(255,255,255,.92); }
.em-foot { font-size: 12px; color: rgba(255,255,255,.62); margin-top: 7px; }

.em-orb {
  position: absolute; width: 54px; height: 54px; border-radius: 50%; padding: 9px;
  background: #fff; display: grid; place-items: center;
  box-shadow: 0 10px 22px rgba(4,12,40,.32), 0 0 0 5px rgba(255,255,255,.07);
  transform: translate(-50%, -50%);
}
.em-orb img { width: 100%; height: 100%; object-fit: contain; }
.em-orb.o1 { left: 15.4%; top: 15.4%; }
.em-orb.o2 { left: 84.6%; top: 15.4%; }
.em-orb.o3 { left: 15.4%; top: 84.6%; }
.em-orb.o4 { left: 84.6%; top: 84.6%; }
.em-orb.txt {
  width: auto; height: 34px; padding: 0 15px; border-radius: 999px;
  font-size: 12.5px; font-weight: 800; color: #2a1152; white-space: nowrap;
}

/* 每屏元素入场 */
.hero-slide.active .hero-copy > * { animation: heroUp .65s cubic-bezier(.22,.61,.36,1) both; }
.hero-slide.active .hero-copy > *:nth-child(2) { animation-delay: .07s; }
.hero-slide.active .hero-copy > *:nth-child(3) { animation-delay: .14s; }
.hero-slide.active .hero-copy > *:nth-child(4) { animation-delay: .21s; }
.hero-slide.active .hero-art { animation: heroFade .9s ease both; }
.hero-slide.active .em-core { animation: emPop .8s cubic-bezier(.2,.7,.3,1) both; }
.hero-slide.active .em-orb { animation: orbIn .55s cubic-bezier(.2,.7,.3,1) both; }
.hero-slide.active .em-orb.o1 { animation-delay: .16s; }
.hero-slide.active .em-orb.o2 { animation-delay: .26s; }
.hero-slide.active .em-orb.o3 { animation-delay: .36s; }
.hero-slide.active .em-orb.o4 { animation-delay: .46s; }
@keyframes heroUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes heroFade { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: none; } }
@keyframes emPop { from { opacity: 0; transform: scale(.88); } to { opacity: 1; transform: none; } }
@keyframes orbIn { from { opacity: 0; transform: translate(-50%, -50%) scale(.45); } to { opacity: 1; transform: translate(-50%, -50%) scale(1); } }

/* 数据条 */
.hero-stats {
  position: absolute; z-index: 6; left: 50%; transform: translateX(-50%); bottom: 62px;
  width: calc(100% - 44px); max-width: 900px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.hero-stats .item { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 12px; padding: 14px 16px; text-align: center; }
.hero-stats .num { display: flex; align-items: baseline; justify-content: center; gap: 2px; color: #fff; line-height: 1.1; }
.hero-stats .num b { font-size: 28px; font-weight: 900; letter-spacing: -.5px; }
.hero-stats .num i { font-style: normal; font-size: 13px; font-weight: 700; color: rgba(255,255,255,.72); }
.hero-stats .lbl { font-size: 12.5px; color: rgba(255,255,255,.66); margin-top: 5px; }

/* 圆点与箭头 */
.hero-dots { position: absolute; z-index: 7; left: 50%; transform: translateX(-50%); bottom: 24px; display: flex; gap: 9px; }
.hero-dots .dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.5); border: none; padding: 0; cursor: pointer; transition: .25s; }
.hero-dots .dot.active { width: 26px; border-radius: 6px; background: #fff; }
.hero-nav {
  position: absolute; z-index: 7; top: 46%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.14); color: #fff; font-size: 20px;
  display: grid; place-items: center; cursor: pointer; backdrop-filter: blur(6px); transition: .2s;
}
.hero-nav:hover { background: rgba(255,255,255,.3); }
.hero-nav.prev { left: 20px; }
.hero-nav.next { right: 20px; }
/* ===== 信任条 ===== */
.trustbar { background: var(--bg-deep); color: #fff; padding: 26px 0; }
.trustbar .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.trustbar .t-item { display: flex; align-items: center; gap: 12px; font-size: 15px; font-weight: 600; color: rgba(255,255,255,.9); }
.trustbar .t-item .ic { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.1); display: grid; place-items: center; font-size: 20px; }

/* ===== 卡片网格通用 ===== */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card .ic-box {
  width: 56px; height: 56px; border-radius: 15px; background: var(--grad-soft); color: var(--brand);
  display: grid; place-items: center; font-size: 26px; margin-bottom: 18px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; font-weight: 800; }
.card p { color: var(--muted); font-size: 15px; }
.card .tag {
  position: absolute; top: 18px; right: 18px; font-size: 12px; font-weight: 700; color: var(--brand);
  background: var(--grad-soft); padding: 4px 12px; border-radius: 999px;
}

/* ===== 平台优势区底色 ===== */
.bg-soft { background: var(--bg-soft); }

/* ===== 热门卡品（动态商品卡） ===== */
.prod-switch { display: flex; justify-content: center; gap: 12px; margin-bottom: 36px; flex-wrap: wrap; }
.prod-switch button {
  padding: 11px 28px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff;
  font-weight: 700; font-size: 15px; color: var(--ink-2); cursor: pointer; transition: .22s;
  font-family: inherit;
}
.prod-switch button:hover { border-color: var(--brand); color: var(--brand); }
.prod-switch button.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 10px 26px rgba(43,89,255,.32); }

.pcard {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.pcard-img { position: relative; aspect-ratio: 1 / 1; background: #eef3fb; overflow: hidden; border-bottom: 1px solid var(--line); }
.pcard-img .pimg-bg {
  position: absolute; inset: -16%; background-size: cover; background-position: center;
  filter: blur(24px) saturate(1.2) brightness(.97); opacity: .92;
}
.pcard-img img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: contain; }
.op-chip {
  position: absolute; z-index: 2; top: 8px; left: 8px; width: 32px; height: 32px; border-radius: 8px;
  background: #fff; box-shadow: 0 3px 10px rgba(15,30,70,.22);
  display: grid; place-items: center; padding: 4px;
}
.op-chip img { width: 100%; height: 100%; object-fit: contain; }
.op-chip-text { width: auto; height: auto; min-height: 26px; padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; color: var(--brand); }
.pcard-body { padding: 16px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.pcard-body h3 {
  font-size: 15px; line-height: 1.45; font-weight: 700; min-height: 44px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.pcard-price { margin: 8px 0 12px; color: var(--accent); display: flex; align-items: baseline; gap: 3px; }
.pcard-price b { font-size: 27px; font-weight: 900; letter-spacing: -.5px; }
.pcard-price span { font-size: 12px; color: var(--muted); }
.pcard-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 14px; }
.pcard-specs .s { text-align: center; background: var(--bg-soft); border-radius: 10px; padding: 8px 3px; }
.pcard-specs .s b { display: block; font-size: 15px; font-weight: 800; color: var(--ink); }
.pcard-specs .s span { font-size: 11px; color: var(--muted); }

/* 骨架屏 */
.sk { background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.sk .sk-img { aspect-ratio: 1/1; background: linear-gradient(90deg,#eef2f9 25%,#f7f9fd 37%,#eef2f9 63%); background-size: 400% 100%; animation: shimmer 1.4s infinite; }
.sk .sk-body { padding: 16px 18px 20px; }
.sk .sk-line { height: 12px; border-radius: 6px; margin-bottom: 10px; background: linear-gradient(90deg,#eef2f9 25%,#f7f9fd 37%,#eef2f9 63%); background-size: 400% 100%; animation: shimmer 1.4s infinite; }
.sk .sk-line.w70 { width: 70%; } .sk .sk-line.w40 { width: 40%; height: 20px; } .sk .sk-line.w90 { width: 90%; }
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }

.prod-empty { grid-column: 1 / -1; text-align: center; padding: 50px 20px; color: var(--muted); font-size: 15px; }

/* 商品区底部注册 CTA */
.prod-cta { margin-top: 48px; padding-top: 40px; border-top: 1px dashed var(--line); text-align: center; }
.prod-cta .pc-tip { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.prod-cta .pc-sub { color: var(--muted); font-size: 13px; margin-top: 14px; letter-spacing: .3px; }
.btn-lg { padding: 17px 52px; font-size: 17px; }

/* ===== 对比表 ===== */
.compare { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.compare table { width: 100%; border-collapse: collapse; }
.compare th, .compare td { padding: 18px 22px; text-align: center; font-size: 15px; }
.compare thead th { background: var(--bg-deep); color: #fff; font-weight: 800; font-size: 16px; }
.compare thead th.us { background: var(--brand); }
.compare tbody td { border-top: 1px solid var(--line); }
.compare tbody td:first-child { text-align: left; font-weight: 700; color: var(--ink-2); }
.compare tbody tr:nth-child(even) { background: var(--bg-soft); }
.compare .yes { color: var(--ok); font-weight: 800; }
.compare .no { color: #f0434e; font-weight: 700; }

/* ===== 多端推广 ===== */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.step {
  position: relative; text-align: left; padding: 28px 28px 30px; border-radius: 18px;
  background: #fff; border: 1px solid var(--line); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.step:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.step-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.step-ico {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(160deg, #eef4ff, #f8fbff); border: 1px solid #e2ebff; color: var(--brand);
  transition: .25s;
}
.step-ico .ico { width: 22px; height: 22px; }
.step:hover .step-ico { background: var(--grad); border-color: transparent; color: #fff; }
.step-tag { font-size: 11px; font-weight: 800; letter-spacing: .16em; color: #a6b4cb; }
.step h3 { font-size: 18.5px; margin-bottom: 9px; font-weight: 800; }
.step p { color: var(--muted); font-size: 14.5px; line-height: 1.75; }

/* ===== 代理心声（轮播） ===== */
.testi { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; }
.testi .stars { color: #ffb400; font-size: 16px; letter-spacing: 2px; }
.testi .quote { color: var(--ink-2); font-size: 15px; margin: 14px 0 18px; flex: 1; }
.testi .who { display: flex; align-items: center; gap: 12px; }
.testi .avatar { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 1.5px solid #fff; box-shadow: 0 4px 12px rgba(20,40,90,.18); }
.testi .who .nm { font-weight: 800; font-size: 15px; }
.testi .who .rl { font-size: 13px; color: var(--muted); }

.voice { position: relative; }
.voice-viewport { overflow: hidden; padding: 4px 2px 8px; margin: 0 -2px; }
.voice-track { --vgap: 24px; display: flex; gap: var(--vgap); transition: transform .6s cubic-bezier(.25,.7,.3,1); will-change: transform; }
.voice-track .testi { flex: 0 0 calc((100% - (var(--pv, 3) - 1) * var(--vgap)) / var(--pv, 3)); }
.voice-ctrl { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 26px; }
.voice-nav {
  width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
  border: 1px solid var(--line); background: #fff; color: var(--brand); font-size: 20px; line-height: 1;
  display: grid; place-items: center; cursor: pointer; box-shadow: var(--shadow-sm); transition: .2s;
}
.voice-nav:hover { background: var(--brand); color: #fff; border-color: transparent; box-shadow: 0 10px 24px rgba(43,89,255,.32); }
.voice-dots { display: flex; align-items: center; justify-content: center; gap: 7px; }
.voice-dots button { width: 7px; height: 7px; padding: 0; border: none; border-radius: 50%; background: #c9d5ea; cursor: pointer; transition: .25s; }
.voice-dots button.active { width: 22px; border-radius: 4px; background: var(--brand); }

/* ===== 合作伙伴 ===== */
.partners { display: grid; grid-template-columns: repeat(7, 1fr); gap: 14px; }
.partner {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px 10px 18px; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 3px;
  transition: .25s; text-align: center;
}
.partner img { width: 40px; height: 40px; object-fit: contain; margin-bottom: 9px; }
.partner b { font-size: 14.5px; font-weight: 800; color: var(--ink-2); white-space: nowrap; }
.partner span { font-size: 11.5px; color: var(--muted); line-height: 1.45; }
.partner:hover { border-color: var(--brand); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.partner:hover b { color: var(--brand); }
/* 物流合作：与运营商同排，用浅底区分 */
.partner.is-logi { background: #fbfcff; }
.partner.is-logi img { width: 44px; height: 44px; }
.partner.is-logi img[src*="cainiao"] { width: 54px; height: 40px; }

/* ===== FAQ ===== */
.faq { max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 14px; overflow: hidden; background: #fff; transition: .2s; }
.faq-item.open { border-color: var(--brand); box-shadow: var(--shadow-sm); }
.faq-q { width: 100%; text-align: left; background: none; border: none; padding: 20px 24px; font-size: 16px; font-weight: 700; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-q .plus { font-size: 24px; color: var(--brand); transition: transform .25s; flex-shrink: 0; }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a .inner { padding: 0 24px 22px; color: var(--muted); font-size: 15px; }

/* ===== 注册 CTA ===== */
.cta-band {
  position: relative; overflow: hidden; border-radius: 28px; padding: 64px 40px; text-align: center; color: #fff;
  background: radial-gradient(700px 400px at 20% 0%, rgba(124,77,255,.6), transparent 60%),
              linear-gradient(120deg, #1633c4, #2b59ff 60%, #00b4ff);
  box-shadow: 0 30px 70px rgba(43,89,255,.35);
}
.cta-band::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.12) 1px, transparent 1px); background-size: 24px 24px; }
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 { font-size: 36px; font-weight: 900; }
.cta-band p { font-size: 18px; color: rgba(255,255,255,.88); margin: 16px auto 30px; max-width: 620px; }
.cta-band .hero-actions { justify-content: center; }

/* ===== 页脚 ===== */
.footer { background: var(--bg-deep); color: rgba(255,255,255,.78); padding: 64px 0 28px; }
.footer .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr 292px; gap: 36px; }
.footer .brand { color: #fff; margin-bottom: 16px; }
.footer .about { font-size: 14px; max-width: 320px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 800; }
.footer ul li { margin-bottom: 11px; }
.footer ul li a { font-size: 14px; color: rgba(255,255,255,.72); transition: .2s; }
.footer ul li a:hover { color: #fff; }
.footer .contact-pill { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); padding: 8px 14px; border-radius: 999px; font-size: 14px; margin-top: 6px; color: rgba(255,255,255,.86); text-decoration: none; transition: .2s; white-space: nowrap; }
a.contact-pill:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.34); color: #fff; }
.footer .contact-pill .ico { width: 16px; height: 16px; }

/* 页脚二维码 */
.foot-qr .qr-tip { font-size: 13px; line-height: 1.65; color: rgba(255,255,255,.55); max-width: 240px; margin: -4px 0 16px; }
.qr-list { display: flex; gap: 16px; }
.qr-item { margin: 0; text-align: center; }
.qr-box {
  display: block; width: 136px; height: 136px; padding: 10px; border-radius: 16px; background: #fff;
  box-shadow: 0 8px 22px rgba(0,0,0,.3); transition: transform .25s, box-shadow .25s;
}
.qr-box img { display: block; width: 100%; height: 100%; object-fit: contain; }
.qr-item figcaption { margin-top: 9px; font-size: 12.5px; color: rgba(255,255,255,.62); }
.qr-item:hover .qr-box { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,.4); }
.qr-item:hover figcaption { color: #fff; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,.6); }
.footer-bottom a { color: rgba(255,255,255,.6); }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .beian { white-space: nowrap; }
.footer-bottom .beian:hover { text-decoration: underline; }

/* ===== 滚动出现动画 ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== 响应式 ===== */
/* 平板及以下：导航折叠为汉堡菜单 */
/* 中等宽度：收窄二维码列，避免商务邮箱胶囊折行 */
@media (max-width: 1180px) {
  .footer .cols { grid-template-columns: 1.65fr 1fr 1fr 264px; gap: 30px; }
  .qr-list { gap: 14px; }
  .qr-box { width: 122px; height: 122px; padding: 9px; }
}

@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: #fff; padding: 12px 22px 22px; box-shadow: var(--shadow); border-top: 1px solid var(--line);
  }
  .nav-links.open a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .hero-slider { height: 660px; }
  .hero-inner { grid-template-columns: 1fr .85fr; gap: 20px; padding: 100px 22px 190px; }
  .hero h1 { font-size: 36px; }
  .hero p.lead { font-size: 16px; }
  .emblem { width: 286px; height: 286px; }
  .em-core { width: 212px; height: 212px; padding: 14px; }
  .em-num { font-size: 50px; }
  .em-num i { font-size: 19px; }
  .em-sub { font-size: 12.5px; }
  .em-foot { font-size: 11.5px; }
  .em-orb { width: 46px; height: 46px; padding: 7px; }
  .em-orb.txt { height: 30px; padding: 0 12px; font-size: 11.5px; }
  .hero-nav { display: none; }
  .grid-3, .grid-4, .steps { grid-template-columns: repeat(2, 1fr); }
  /* 12 栏：运营商 4 个一行，物流 3 个一行居中 */
  .partners { grid-template-columns: repeat(12, 1fr); }
  .partners .partner { grid-column: span 3; }
  .partners .partner.is-logi { grid-column: span 4; }
  .footer .cols { grid-template-columns: 1fr 1fr; }
  .section-head h2 { font-size: 30px; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4, .steps { grid-template-columns: 1fr; }
  .partners { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .partners .partner, .partners .partner.is-logi { grid-column: span 1; }
  .partners .partner:nth-child(7) { grid-column: 1 / -1; max-width: calc(50% - 6px); margin: 0 auto; }
  .partner { padding: 22px 10px 18px; }
  .partner img, .partner.is-logi img { width: 38px; height: 38px; margin-bottom: 8px; }
  .partner b { font-size: 14px; white-space: normal; }
  .partner span { font-size: 11px; }
  .hero-slider { height: 640px; }
  .hero-inner { grid-template-columns: 1fr; padding: 96px 22px 206px; }
  .hero-art { display: none; }
  .hero h1 { font-size: 31px; }
  .hero p.lead { font-size: 15px; margin: 14px 0 24px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 10px; bottom: 58px; }
  .hero-stats .item { padding: 12px; }
  .hero-stats .num b { font-size: 23px; }
  .hero-stats .lbl { font-size: 11px; }
  .compare { overflow-x: auto; }
  .compare table { min-width: 560px; }
  .cta-band { padding: 44px 22px; }
  .prod-cta { margin-top: 34px; padding-top: 28px; }
  .prod-cta .pc-tip { font-size: 13px; margin-bottom: 14px; }
  .btn-lg { padding: 15px 34px; font-size: 16px; width: 100%; max-width: 320px; }
  .voice-track { --vgap: 16px; }
  .testi { padding: 22px; }
  .footer .cols { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .brand small { display: none; }
  .nav-cta { gap: 8px; }
  .nav-cta .btn-primary { padding: 10px 16px; font-size: 14px; white-space: nowrap; }
  .hero-slider { height: 648px; }
  .hero-inner { padding: 82px 22px 180px; }
  .hero h1 { font-size: 24px; }
  .hero p.lead { font-size: 13px; margin: 12px 0 20px; }
  .hero-badge { font-size: 11.5px; padding: 6px 12px; margin-bottom: 12px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; gap: 9px; width: 100%; max-width: 280px; margin: 0 auto; }
  .hero-actions .btn { padding: 12px 20px; font-size: 15px; }
  .hero-stats { bottom: 54px; gap: 8px; }
  .hero-stats .item { padding: 10px 8px; border-radius: 10px; }
  .hero-stats .num b { font-size: 20px; }
  .hero-stats .lbl { font-size: 10px; }
  .pcard-price b { font-size: 24px; }
  .section-head h2 { font-size: 25px; }
  .qr-box { width: 138px; height: 138px; padding: 9px; }
}