/* ===== 阿帕UPS 年中钜惠 活动页 · 设计系统 ===== */
:root{
  --bg:#050807;
  --bg-2:#0a1210;
  --ink:#f3f7f5;
  --ink-dim:#8ea29a;
  --green:#12e39a;        /* 产品主辉光 翡翠绿 */
  --green-deep:#0b8f63;
  --red:#ff2d3d;          /* 活动/促销红 */
  --red-deep:#c8121f;
  --gold:#ffd27a;
  --card:rgba(255,255,255,.045);
  --card-line:rgba(255,255,255,.09);
  --radius:20px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --shadow:0 20px 60px -20px rgba(0,0,0,.7);
  --maxw:640px; /* 移动端为主，最大宽度（放大让内容更饱满铺满）*/
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
  overflow-x:hidden;line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  padding-bottom:76px; /* 给吸底CTA留位 */
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
em{font-style:normal}
section{position:relative}

/* 页面整体居中在移动列宽 */
.hero-inner,.stats,.showcase,.features,.beam,.params,.gallery,.trust,.tradein,.formsec,.footer{
  max-width:var(--maxw);margin-left:auto;margin-right:auto;
}

/* ===== 滚动进度条 ===== */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:120;
  background:linear-gradient(90deg,var(--green),#7bffce);box-shadow:0 0 12px var(--green);transition:width .1s linear}

/* ===== 顶栏 ===== */
.topbar{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:12px 18px;transform:translateY(-100%);transition:transform .5s var(--ease),background .3s;
  backdrop-filter:blur(18px);background:rgba(5,8,7,.55);border-bottom:1px solid transparent}
.topbar.show{transform:translateY(0);border-bottom-color:var(--card-line)}
.topbar-brand{display:flex;align-items:center;gap:6px;font-weight:800;letter-spacing:.5px}
.logo-ups{color:#fff;background:var(--green-deep);padding:1px 6px;border-radius:5px;font-weight:900;font-style:italic}
.logo-apa{color:var(--green)}
.logo-slogan{font-size:11px;color:var(--ink-dim);font-weight:500;margin-left:4px}
.topbar-cta{background:var(--red);color:#fff;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:700;
  box-shadow:0 6px 18px -6px var(--red)}
/* 地区专属链接：顶栏按钮变站名标签（红底白字，前面带定位图标，醒目清晰）*/
.topbar.station-mode .topbar-cta{cursor:default;font-weight:800}
.topbar.station-mode .topbar-cta::before{content:"📍 "}

/* ===== HERO ===== */
.hero{min-height:100svh;display:flex;align-items:center;justify-content:center;overflow:hidden;
  padding:70px 14px 50px;text-align:center}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(120% 80% at 50% -10%,rgba(18,227,154,.18),transparent 55%),
    radial-gradient(90% 60% at 50% 110%,rgba(11,143,99,.22),transparent 60%),
    linear-gradient(180deg,#04110c,#050807 60%)}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:.35;
  background-image:linear-gradient(rgba(18,227,154,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(18,227,154,.07) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent)}
.hero-beam{position:absolute;top:38%;left:50%;width:180%;height:220px;z-index:0;transform:translate(-50%,-50%) rotate(-8deg);
  background:conic-gradient(from 90deg at 0% 50%,transparent 0deg,rgba(255,255,255,.5) 6deg,rgba(18,227,154,.25) 12deg,transparent 26deg);
  filter:blur(6px);opacity:0;animation:beamIn 1.6s .3s var(--ease-out) forwards}
@keyframes beamIn{to{opacity:.9}}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-tag{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--green);
  border:1px solid rgba(18,227,154,.4);border-radius:999px;padding:6px 16px;margin-bottom:22px;
  background:rgba(18,227,154,.06)}
.hero-title{font-size:clamp(44px,15vw,72px);line-height:1;font-weight:900;letter-spacing:-1px}
.hero-title .line{display:block}
.hero-title .accent{background:linear-gradient(180deg,#eafff6,var(--green));-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 24px rgba(18,227,154,.5))}
.hero-sub{font-size:18px;color:var(--ink-dim);margin-top:16px;letter-spacing:3px}
.hero-campaign{font-size:14px;color:var(--ink-dim);margin-top:14px;letter-spacing:1px;
  padding:7px 16px;border-radius:999px;display:inline-block;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.hero-product{position:relative;margin:26px -14px 6px;width:calc(100% + 28px);
  will-change:transform,opacity;transform:translateZ(0);backface-visibility:hidden}
.hero-product img{border-radius:0;position:relative;z-index:2;width:100%;
  filter:drop-shadow(0 30px 50px rgba(0,0,0,.6))}
.hero-product-glow{position:absolute;inset:-6% -6% 6%;z-index:1;border-radius:50%;
  background:radial-gradient(circle at 50% 45%,rgba(18,227,154,.5),transparent 62%);
  filter:blur(26px);animation:pulse 3.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.55;transform:scale(.96)}50%{opacity:.9;transform:scale(1.04)}}

.hero-discount{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;margin:22px auto 4px;
  width:min(96%,460px);padding:20px 18px 22px;border-radius:20px;
  background:linear-gradient(135deg,#c8121f,#ff2d3d 55%,#ff5a3c);
  box-shadow:0 22px 50px -18px rgba(255,45,61,.85),inset 0 1px 0 rgba(255,255,255,.35);
  overflow:hidden}
.hd-label{position:relative;font-size:16px;color:#fff;font-weight:800;letter-spacing:2px;
  text-shadow:0 1px 4px rgba(0,0,0,.25)}
.hd-num{position:relative;font-size:clamp(52px,17vw,76px);font-weight:900;color:#fff;letter-spacing:-2px;line-height:1;
  display:flex;align-items:baseline;text-shadow:0 4px 16px rgba(0,0,0,.3)}
.hd-num em{font-size:1em;background:linear-gradient(180deg,#fff,#ffe08a);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 2px 6px rgba(0,0,0,.2))}
.hd-num .hd-to{font-size:.42em;font-weight:800;margin:0 4px;color:#ffe08a;align-self:center}
.hd-num .hd-yen{font-size:.5em;font-weight:800;color:#ffe08a;align-self:flex-start;margin-top:.15em;font-style:normal}
.hd-unit{position:relative;font-size:18px;color:#fff;font-weight:800;margin-top:2px;letter-spacing:1px}

/* 倒计时 */
.countdown{margin-top:22px}
.cd-label{display:block;font-size:12px;color:var(--ink-dim);letter-spacing:2px;margin-bottom:8px}
.cd-boxes{display:flex;justify-content:center;gap:8px}
.cd-box{background:var(--card);border:1px solid var(--card-line);border-radius:12px;padding:8px 4px;min-width:56px}
.cd-box b{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  background:linear-gradient(180deg,#fff,var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.cd-box i{font-size:11px;color:var(--ink-dim)}

.hero-btn{display:inline-block;margin-top:28px;padding:16px 44px;border-radius:999px;font-size:17px;font-weight:800;
  color:#04110c;background:linear-gradient(120deg,#7bffce,var(--green));
  box-shadow:0 16px 40px -12px var(--green),inset 0 1px 0 rgba(255,255,255,.6);
  animation:btnBreathe 2.6s ease-in-out infinite}
@keyframes btnBreathe{0%,100%{transform:scale(1)}50%{transform:scale(1.045)}}
.hero-note{font-size:12px;color:var(--ink-dim);margin-top:16px;line-height:1.7;opacity:.85}

.scroll-cue{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);width:22px;height:34px;
  border:2px solid rgba(255,255,255,.3);border-radius:12px;z-index:2}
.scroll-cue span{position:absolute;top:6px;left:50%;width:4px;height:6px;border-radius:2px;background:var(--green);
  transform:translateX(-50%);animation:cue 1.6s infinite}
@keyframes cue{0%{opacity:0;top:6px}30%{opacity:1}60%{opacity:1;top:18px}100%{opacity:0;top:18px}}

/* ===== 通用 reveal 动画 ===== */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ===== 区块通用标题 ===== */
.section-head{text-align:center;padding:48px 10px 20px}
.kicker{display:inline-block;font-size:12px;letter-spacing:4px;color:var(--green);font-weight:700;margin-bottom:12px}
.section-head h2{font-size:clamp(30px,8vw,40px);font-weight:900;letter-spacing:-.5px}
.section-head p{color:var(--ink-dim);margin-top:10px;font-size:15px}

/* ===== 数据实力 ===== */
.stats{padding:20px 0 6px}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px}
.stat{background:var(--card);border:none;border-radius:0;padding:30px 14px;text-align:center;
  position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 60% at 50% 0%,rgba(18,227,154,.14),transparent 70%)}
.stat b{position:relative;font-size:44px;font-weight:900;line-height:1;font-variant-numeric:tabular-nums;
  background:linear-gradient(180deg,#fff,var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat sup{font-size:18px;color:var(--green);font-weight:800}
.stat span{position:relative;display:block;margin-top:10px;font-size:13px;color:var(--ink-dim);line-height:1.5}

/* ===== 产品 sticky 展示 ===== */
.showcase{height:120vh}
.showcase-sticky{position:sticky;top:0;height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:24px;padding:80px 22px 40px;overflow:hidden}
.showcase-sticky::before{content:"";position:absolute;inset:0;
  background:radial-gradient(70% 50% at 50% 60%,rgba(18,227,154,.14),transparent 65%)}
.showcase-text{text-align:center;position:relative}
.showcase-text h2{font-size:clamp(34px,10vw,52px);font-weight:900;line-height:1.05;letter-spacing:-1px}
.showcase-text p{color:var(--ink-dim);margin-top:14px;font-size:15px;max-width:340px;margin-inline:auto;line-height:1.7}
.showcase-img{position:relative;width:100vw;margin-left:calc(50% - 50vw)}
.showcase-img img{width:100%;border-radius:0;filter:drop-shadow(0 30px 60px rgba(0,0,0,.6))}

/* ===== 卖点 features ===== */
.features{padding:10px 0}
.feature{position:relative;overflow:hidden;margin-bottom:6px;display:block}
.feature img{display:block;width:100%;height:auto;z-index:0}
.feature-mask{display:none}
.feature-body{display:none}
.feature-en{font-size:11px;letter-spacing:3px;color:var(--green);font-weight:700}
.feature h3{font-size:28px;font-weight:900;margin:6px 0 10px}
.feature p{color:#c9d6d0;font-size:14px;line-height:1.7;max-width:88%}
/* ===== 光型实拍 ===== */
.beam{padding:0 0 22px}
.beam-img img{width:100%;border-top:1px solid var(--card-line);border-bottom:1px solid var(--card-line)}

/* ===== 参数表 ===== */
.params{padding:0 0 22px}
.params-table{border-top:1px solid var(--card-line);border-bottom:1px solid var(--card-line);overflow:hidden;background:var(--card)}
.param-row{display:flex;border-bottom:1px solid var(--card-line)}
.param-row:last-child{border-bottom:none}
.param-row .k{flex:0 0 42%;padding:16px 18px;color:var(--ink-dim);font-size:15px;background:rgba(255,255,255,.02)}
.param-row .v{flex:1;padding:16px 18px;font-weight:700;color:var(--green);font-size:15px}

/* ===== gallery ===== */
.gallery{padding:0 0 22px}
.gallery-grid{display:grid;gap:0}
.gallery-grid img{border-radius:0;border-bottom:1px solid var(--card-line);width:100%;display:block}

/* ===== 信任 ===== */
.trust{padding:0 0 30px}
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px}
.trust-item{background:var(--card);border:none;border-radius:0;padding:22px 16px;
  font-size:14px;font-weight:600;display:flex;align-items:center;gap:10px;line-height:1.4}
.trust-item::before{content:"";flex:0 0 8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}
.company{margin-top:20px;background:var(--card);border:1px solid var(--card-line);border-radius:var(--radius);padding:24px 20px}
.company h3{font-size:18px;font-weight:800;margin-bottom:12px}
.company p{color:var(--ink-dim);font-size:14px;line-height:1.9}

/* ===== 以旧换新 CTA大区 ===== */
.tradein{padding:14px 0 30px}
.tradein-inner{position:relative;text-align:center;border-radius:26px;overflow:hidden;padding:48px 24px;
  background:linear-gradient(135deg,#c8121f,#ff4757 60%,#ff6b3d);
  box-shadow:0 30px 70px -30px rgba(255,45,61,.7)}
.tradein-inner::before{content:"";position:absolute;inset:0;opacity:.5;
  background:radial-gradient(60% 50% at 80% 10%,rgba(255,255,255,.4),transparent 60%)}
.tradein-inner .kicker{color:#ffe0c2}
.tradein-inner h2{position:relative;color:#fff;font-size:clamp(32px,9vw,46px);font-weight:900;line-height:1.1}
.tradein-steps{position:relative;display:flex;align-items:flex-start;justify-content:center;gap:4px;margin:26px 0}
.ti-step{display:flex;flex-direction:column;align-items:center;gap:5px;color:#fff;flex:0 0 auto}
.ti-step b{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.5);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800}
.ti-step span{font-size:12px;white-space:nowrap}
.ti-arrow{color:rgba(255,255,255,.7);font-size:14px;margin-top:10px}
.tradein-save{position:relative;display:inline-block;background:#fff;color:var(--red-deep);font-weight:900;font-size:22px;
  padding:12px 28px;border-radius:999px;margin-top:6px}
.tradein-save em{font-size:30px}

/* ===== 表单 ===== */
.formsec{padding:14px 0 52px}
.form-card{background:var(--card);border:1px solid var(--card-line);border-left:none;border-right:none;border-radius:0;padding:34px 18px;
  position:relative;overflow:hidden}
.form-card::before{content:"";position:absolute;top:-40%;left:-10%;width:120%;height:80%;
  background:radial-gradient(closest-side,rgba(18,227,154,.16),transparent);pointer-events:none}
.form-card h2{position:relative;font-size:26px;font-weight:900;text-align:center}
.form-sub{position:relative;text-align:center;color:var(--ink-dim);font-size:14px;margin:10px 0 24px;line-height:1.6}
.field{position:relative;margin-bottom:14px}
.field input{width:100%;padding:16px 18px;border-radius:14px;border:1px solid var(--card-line);
  background:rgba(255,255,255,.04);color:var(--ink);font-size:16px;transition:border-color .25s,box-shadow .25s}
.field input::placeholder{color:#5f736c}
.field input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(18,227,154,.18)}
.field input.locked{background:rgba(18,227,154,.08);border-color:rgba(18,227,154,.4);color:var(--green);font-weight:700;cursor:not-allowed}
.city-lock-tag{position:relative;text-align:center;margin:0 auto 14px;display:inline-block;
  background:rgba(18,227,154,.12);border:1px solid rgba(18,227,154,.4);color:var(--green);
  font-size:13px;font-weight:700;padding:7px 16px;border-radius:999px;left:50%;transform:translateX(-50%)}
.form-btn{width:100%;padding:17px;border:none;border-radius:14px;font-size:17px;font-weight:800;cursor:pointer;
  color:#04110c;background:linear-gradient(120deg,#7bffce,var(--green));margin-top:6px;
  box-shadow:0 16px 40px -14px var(--green);transition:transform .15s}
.form-btn:active{transform:scale(.98)}
.form-btn:disabled{opacity:.6}
.form-tip{text-align:center;color:var(--ink-dim);font-size:12px;margin-top:14px;opacity:.8}

/* ===== 页脚 ===== */
.footer{text-align:center;padding:40px 22px 60px;color:var(--ink-dim);border-top:1px solid var(--card-line)}
.footer-brand{display:flex;justify-content:center;gap:6px;font-weight:800;margin-bottom:14px}
.footer p{font-size:13px;line-height:1.8}
.footer-mini{opacity:.6;font-size:12px;margin-top:6px}

/* ===== 吸底CTA ===== */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:110;display:flex;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,10,9,.82);backdrop-filter:blur(18px);border-top:1px solid var(--card-line);
  transform:translateY(120%);transition:transform .5s var(--ease)}
.dock.show{transform:translateY(0)}
.dock-info{flex:1;min-width:0}
.dock-info b{display:block;font-size:14px;font-weight:800}
.dock-info b em{color:var(--gold)}
.dock-count{font-size:11px;color:var(--ink-dim)}
.dock-btn{flex:0 0 auto;background:var(--red);color:#fff;padding:13px 26px;border-radius:999px;font-weight:800;font-size:15px;
  box-shadow:0 10px 26px -8px var(--red);animation:btnBreathe 2.6s ease-in-out infinite}

/* ===== toast ===== */
.toast{position:fixed;left:50%;top:40%;transform:translate(-50%,-50%) scale(.9);z-index:200;
  background:rgba(10,20,16,.96);border:1px solid var(--green);color:#fff;padding:22px 30px;border-radius:18px;
  font-size:16px;font-weight:700;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;
  box-shadow:0 20px 60px -10px rgba(0,0,0,.8);text-align:center;max-width:80%}
.toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}
.toast .tk{color:var(--green);font-size:34px;display:block;margin-bottom:8px}

@media (min-width:560px){
  body{background:#000}
  .hero,.stats,.showcase-sticky{box-shadow:0 0 80px rgba(0,0,0,.6)}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  *{animation:none!important}
}