/* 落地页专属样式（Lead 所有） */

.land{position:relative;width:100%;max-width:100%;overflow:hidden}
.land-top{position:relative;z-index:5;max-width:1320px;margin:0 auto;height:78px;padding:0 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.land-top__brand{display:flex;align-items:center}
.land-top__nav{display:flex;align-items:center;gap:6px}
.land-nav{color:var(--text-3);font-size:12.5px;letter-spacing:.02em;padding:8px 12px;border-radius:8px;transition:color .18s,background .18s}
.land-nav:hover{color:var(--text);background:rgba(255,255,255,.03)}
.land-top__actions{display:flex;align-items:center;gap:10px}

/* ---------- Hero ---------- */
.land-hero{position:relative;max-width:1320px;margin:0 auto;padding:64px 40px 56px;
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px;align-items:center;min-height:640px}
.land-hero__text{position:relative;z-index:4;padding-bottom:20px}
.land-h1{margin-top:18px;font-size:clamp(34px,3.9vw,52px);font-weight:600;line-height:1.24;letter-spacing:-.032em}
.land-h1 .ln{display:block;white-space:nowrap}
.land-h1 .hl{position:relative;color:var(--ion);padding:0 .04em}
.land-h1 .hl::after{content:"";position:absolute;left:.02em;right:.02em;bottom:.02em;height:.09em;
  background:linear-gradient(90deg,rgba(53,232,210,.85),rgba(53,232,210,0));border-radius:2px}
.land-sub{margin-top:26px;max-width:47ch;font-size:15px;line-height:1.95;color:var(--text-2)}
.land-cta{margin-top:34px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.land-meta{margin-top:44px;display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  font-size:11.5px;color:var(--text-3);letter-spacing:.04em}
.land-meta b{color:var(--text-2);font-weight:500;margin-right:4px}

/* ---------- Hero 视觉 ---------- */
.land-visual{position:relative;height:600px}
.vis-rings{position:absolute;inset:0;pointer-events:none}
.vis-rings i{position:absolute;border-radius:50%;border:1px solid rgba(150,180,235,.1)}
.vis-rings .r1{width:560px;height:560px;right:-40px;top:30px;border-color:rgba(150,180,235,.09)}
.vis-rings .r2{width:400px;height:400px;right:40px;top:110px;border-style:dashed;border-color:rgba(53,232,210,.16);animation:spin 90s linear infinite}
.vis-rings .r3{width:250px;height:250px;right:115px;top:185px;border-color:rgba(255,92,147,.14)}
.vis-rings .sat{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--ion);
  box-shadow:0 0 14px var(--ion);right:96px;top:170px;animation:floaty 7s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes floaty{0%,100%{transform:translate(0,0)}50%{transform:translate(-6px,10px)}}

.vis-console{position:absolute;right:6px;top:44px;width:352px;padding:16px 18px 8px;z-index:2;
  transform:rotate(2.4deg);transition:transform .7s var(--ease);box-shadow:0 40px 80px -50px rgba(0,0,0,.9)}
.vis-console__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.vis-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.vis-row:last-child{border-bottom:0}
.vis-row__main{min-width:0;flex:1;display:flex;flex-direction:column;gap:2px}
.vis-row__main b{font-size:12.5px;font-weight:600}
.vis-row__main span{font-size:10.5px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vis-tag{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.08em;color:var(--text-3);
  padding:3px 7px;border:1px solid var(--line);border-radius:5px}
.vis-tag--hot{color:#FFB0C6;border-color:rgba(255,92,147,.35);background:rgba(255,92,147,.07)}
.land-phone{position:absolute;left:44px;top:92px;width:222px;z-index:3;transform:rotate(-4deg);
  transition:transform .7s var(--ease)}
.land-visual:hover .land-phone{transform:rotate(-1.5deg) translateY(-4px)}
.land-visual:hover .vis-console{transform:rotate(1deg) translateY(-2px)}
.vis-chip{position:absolute;z-index:4;display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;
  background:rgba(8,12,18,.72);border:1px solid var(--line-2);backdrop-filter:blur(10px);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.04em;color:var(--text-2)}
.vis-chip--a{right:24px;bottom:112px}
.vis-chip--b{left:-8px;bottom:-2px}

/* ---------- 横向规格条 ---------- */
.land-strip{position:relative;max-width:1320px;margin:0 auto;padding:22px 40px;display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.land-strip__item{display:flex;align-items:flex-start;gap:14px;padding:4px 24px;border-left:1px solid var(--line)}
.land-strip__item:first-child{border-left:0;padding-left:0}
.land-strip__item>span{font-family:var(--font-mono);font-size:10.5px;color:var(--ion);padding-top:2px;letter-spacing:.06em}
.land-strip__item div{display:flex;flex-direction:column;gap:3px}
.land-strip__item b{font-size:12.5px;font-weight:600;letter-spacing:.01em}
.land-strip__item div span{font-size:10.5px;color:var(--text-3);line-height:1.6}

/* ---------- 模块 ---------- */
.land-feature{position:relative;max-width:1320px;margin:0 auto;padding:88px 40px;display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
.land-feature--rev .land-feature__text{order:2}
.land-feature--rev .land-feature__art{order:1}
.land-feature__text h2{font-size:clamp(26px,3vw,36px);font-weight:600;line-height:1.32;letter-spacing:-.02em;margin-top:14px}
.land-feature__text>p{margin-top:20px;font-size:14.5px;line-height:1.95;color:var(--text-2);max-width:46ch}
.land-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.land-point{display:flex;gap:14px;align-items:baseline;padding-bottom:12px;border-bottom:1px solid var(--line)}
.land-point:last-child{border-bottom:0;padding-bottom:0}
.land-point b{font-family:var(--font-mono);font-size:10.5px;color:var(--text-3);font-weight:400}
.land-point span{font-size:12.5px;color:var(--text-2);line-height:1.7}
.land-quote{margin-top:28px;padding:18px 20px;border-left:2px solid rgba(53,232,210,.5);background:rgba(53,232,210,.03)}
.land-quote p{margin-top:8px;font-size:13px;line-height:1.9;color:var(--text-2)}
.perm-lines{margin-top:26px;display:flex;flex-direction:column;gap:2px}
.perm-line{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:12.5px}
.perm-line b{font-weight:600;min-width:64px}
.perm-line span{color:var(--text-3);font-size:11.5px}
.land-feature .link{display:inline-block;margin-top:22px;font-size:12.5px}

/* 终端卡 */
.term-card{padding:20px;position:relative}
.term-card .term{padding:6px 0 4px}
.term-card__foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:14px}
.mini-assets{display:flex;gap:6px}
.mini-assets img{width:34px;height:58px;object-fit:cover;border-radius:5px;border:1px solid var(--line);opacity:.9}

/* 设备演示 */
.device-demo{display:grid;grid-template-columns:auto minmax(0,1fr);gap:26px;align-items:center}
.device-demo .land-phone{position:relative;left:auto;top:auto;transform:none;width:188px}
.device-demo .phone{width:188px}
.device-readout{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.readout-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line)}
.readout-row b{font-size:12.5px;font-weight:500}

/* 守护卡 */
.shield-card{padding:22px}
.shield-card__top{display:flex;align-items:center;justify-content:space-between}
.shield-visual{position:relative;height:168px;display:grid;place-items:center;margin:8px 0}
.shield-visual>svg{color:var(--ion);filter:drop-shadow(0 0 22px rgba(53,232,210,.45));position:relative;z-index:2}
.shield-rings i{position:absolute;left:50%;top:50%;border:1px solid rgba(53,232,210,.2);border-radius:50%;transform:translate(-50%,-50%)}
.shield-rings i:first-child{width:150px;height:150px;animation:spin 40s linear infinite}
.shield-rings i:last-child{width:210px;height:210px;border-style:dashed;border-color:rgba(139,124,255,.18);animation:spin 70s linear infinite reverse}
.shield-card__rows{margin-top:6px}

/* ---------- 下载区 ---------- */
.land-band{max-width:1320px;margin:20px auto 0;padding:0 40px}
.land-band__inner{padding:44px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:52px;align-items:center;
  background-image:
    linear-gradient(120deg,rgba(53,232,210,.05),transparent 42%),
    linear-gradient(var(--line-2),var(--line-2)),linear-gradient(var(--line-2),var(--line-2)),
    linear-gradient(var(--line-2),var(--line-2)),linear-gradient(var(--line-2),var(--line-2)),
    linear-gradient(var(--line-2),var(--line-2)),linear-gradient(var(--line-2),var(--line-2)),
    linear-gradient(var(--line-2),var(--line-2)),linear-gradient(var(--line-2),var(--line-2));
  background-repeat:no-repeat;
  background-size:100% 100%,9px 1px,1px 9px,9px 1px,1px 9px,9px 1px,1px 9px,9px 1px,1px 9px;
  background-position:0 0,0 0,0 0,100% 0,100% 0,0 100%,0 100%,100% 100%,100% 100%}
.land-band__text h2{font-size:clamp(24px,2.8vw,32px);font-weight:600;letter-spacing:-.02em;margin-top:14px}
.land-band__text>p{margin-top:16px;font-size:13.5px;line-height:1.9;max-width:44ch}
.band-steps{margin-top:28px;display:flex;flex-direction:column;gap:2px}
.band-step{display:flex;gap:16px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line)}
.band-step:last-child{border-bottom:0}
.band-step>span{font-family:var(--font-mono);font-size:10.5px;color:var(--text-3)}
.band-step div{display:flex;flex-direction:column;gap:3px}
.band-step b{font-size:12.5px;font-weight:600}
.band-step div span{font-size:11.5px;color:var(--text-3)}
.apk-card{border:1px solid var(--line-2);border-radius:var(--r-card);padding:26px;background:rgba(5,7,12,.5)}
.apk-card__badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:9.5px;
  letter-spacing:.16em;color:var(--text-3);border:1px solid var(--line);border-radius:6px;padding:5px 9px}
.apk-card__badge svg{color:var(--ion)}
.apk-card__name{margin-top:18px;font-size:26px;font-weight:600;letter-spacing:-.01em}
.apk-card__meta{margin-top:14px;display:flex;flex-direction:column;gap:6px;font-size:11.5px;color:var(--text-3)}
.apk-card__meta b{color:var(--text-2);font-weight:500;margin-left:4px}
.apk-card .btn{margin-top:22px}
.apk-card__note{margin-top:14px;font-size:10.5px;line-height:1.7;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.land-foot{max-width:1320px;margin:72px auto 0;padding:30px 40px 40px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.land-foot__brand{display:flex;align-items:center;gap:14px;font-size:11.5px;color:var(--text-3)}
.land-foot__legal{font-size:10.5px;color:var(--text-3);letter-spacing:.02em;text-align:center;flex:1;min-width:220px}
.land-foot__meta{font-size:10px;color:var(--text-3);letter-spacing:.14em}

/* ---------- 入场 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .land-visual{height:540px}
  .vis-console{width:320px;right:0}
  .land-phone{left:12px;width:212px}
  .vis-rings .r1{width:480px;height:480px}
  .vis-rings .r2{width:340px;height:340px}
  .land-hero{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}
}
@media (max-width:1000px){
  .land-hero{grid-template-columns:minmax(0,1fr);padding-top:36px;min-height:0}
  .land-visual{height:560px;margin-top:26px}
  .vis-console{right:auto;left:calc(50% + 24px);top:24px}
  .land-phone{left:calc(50% - 250px);top:86px}
  .land-strip{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:18px}
  .land-strip__item{padding:0 20px 0 0}
  .land-strip__item:nth-child(3){border-left:0;padding-left:0}
  .land-feature{grid-template-columns:minmax(0,1fr);gap:36px;padding:60px 40px}
  .land-feature--rev .land-feature__text{order:1}
  .land-feature--rev .land-feature__art{order:2}
  .land-band__inner{grid-template-columns:minmax(0,1fr);gap:32px;padding:30px}
  .device-demo{grid-template-columns:minmax(0,1fr);justify-items:center}
  .device-readout{width:100%}
}
@media (max-width:720px){
  .land-top{padding:0 20px;height:66px}
  .land-top__nav{display:none}
  .land-top__actions .btn--ghost{display:none}
  .land-hero{padding:28px 20px 40px}
  .land-sub{font-size:14px}
  .land-meta{gap:16px;font-size:10.5px}
  .land-visual{height:500px;transform:scale(.96)}
  .vis-console{left:auto;right:-30px;top:10px;width:290px;opacity:.85}
  .land-phone{left:50%;transform:translateX(-58%) rotate(-4deg);width:210px;top:70px}
  .land-visual:hover .land-phone{transform:translateX(-58%) rotate(-2deg)}
  .vis-chip--a{right:-4px;bottom:40px}
  .vis-chip--b{left:-2px;bottom:-6px}
  .land-strip{padding:18px 20px;grid-template-columns:minmax(0,1fr);row-gap:0}
  .land-strip__item{border-left:0;padding:12px 0;border-bottom:1px solid var(--line)}
  .land-strip__item:last-child{border-bottom:0}
  .land-feature{padding:46px 20px}
  .land-band{padding:0 20px}
  .land-band__inner{padding:22px}
  .land-foot{padding:24px 20px 32px;flex-direction:column;align-items:flex-start;gap:12px}
  .land-foot__legal{text-align:left}
  .term__msg{white-space:normal}
}