:root{
  --bg:#050a1f;--bg2:#081233;--line:rgba(140,180,255,.14);--line2:rgba(140,190,255,.28);
  --text:#eaf0ff;--sub:#9fb0d6;--dim:#6f7fa8;
  --blue:#3567ee;--cyan:#22b8d8;--violet:#8b5cf6;--pink:#ff4d84;--green:#2fd18a;
  --grad:linear-gradient(100deg,#5fd0ff 0%,#4c8dff 45%,#a78bfa 100%);
  --btn:linear-gradient(100deg,#22b8d8 0%,#3567ee 55%,#7c5cf6 100%);
  --r:22px;--wrap:1200px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
[hidden]{display:none!important}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.wrap{width:min(var(--wrap),calc(100% - 48px));margin:0 auto}
.wrap.narrow{width:min(860px,calc(100% - 48px))}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.num{font-variant-numeric:tabular-nums}

/* 背景极光 */
.aurora{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;background:radial-gradient(1200px 700px at 70% -10%,#0f2363 0%,rgba(5,10,31,0) 60%),var(--bg)}
.aurora i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.38;animation:drift 22s ease-in-out infinite alternate}
.aurora i:nth-child(1){width:620px;height:620px;left:-180px;top:20%;background:#1d4ed8}
.aurora i:nth-child(2){width:520px;height:520px;right:-160px;top:55%;background:#6d28d9;animation-delay:-8s;opacity:.26}
.aurora i:nth-child(3){width:460px;height:460px;left:40%;top:110%;background:#0891b2;animation-delay:-14s;opacity:.25}
@keyframes drift{to{transform:translate(120px,-140px) scale(1.15)}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;letter-spacing:.5px;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 28px;font-size:17px}
.btn-block{width:100%;height:46px;font-size:15px}
.btn-primary{background:var(--btn);color:#fff;box-shadow:0 8px 30px rgba(53,103,238,.45),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(53,140,238,.6),inset 0 1px 0 rgba(255,255,255,.3)}
.btn-glass{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.btn-glass:hover{background:rgba(255,255,255,.13);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line2);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:#5fd0ff;background:rgba(95,208,255,.08)}
.btn-text{height:38px;padding:0 14px;font-size:14px;color:var(--sub)}
.btn-text:hover{color:#fff}
.glass{background:linear-gradient(160deg,rgba(32,52,120,.55),rgba(10,18,48,.62));border:1px solid var(--line2);border-radius:var(--r);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 30px 80px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.1)}

/* 导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(5,10,31,.72);border-bottom-color:var(--line);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%)}
.nav-in{height:68px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand img{border-radius:9px}
.brand-name{font-size:20px;font-weight:800;letter-spacing:2px}
.menu{display:flex;align-items:center;gap:6px;flex:1}
.menu-link{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:999px;font-size:15px;color:var(--sub);transition:color .2s,background .2s}
.menu-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.drop{position:relative}
.drop-panel{position:absolute;top:46px;left:0;width:360px;padding:10px;border-radius:18px;background:rgba(10,18,48,.96);border:1px solid var(--line2);box-shadow:0 30px 80px rgba(0,0,0,.5);opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s}
.drop:hover .drop-panel,.drop:focus-within .drop-panel{opacity:1;visibility:visible;transform:none}
.drop-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:12px}
.drop-item:hover{background:rgba(255,255,255,.06)}
.drop-item img{width:40px;height:40px;border-radius:10px}
.drop-item b{display:block;font-size:15px}
.drop-item small{display:block;font-size:12px;color:var(--dim)}
.drop-item em{margin-left:auto;font-style:normal;font-size:11px;padding:2px 8px;border-radius:999px;background:rgba(95,208,255,.15);color:#7fdcff}
.drop-item.muted{opacity:.7}
.drop-item.muted:hover{background:none}
.dot-soon{width:40px;height:40px;border-radius:10px;border:1px dashed var(--line2);flex:none}
.nav-act{display:flex;align-items:center;gap:8px}
.nav-user{position:relative}
.user-chip{display:flex;align-items:center;gap:8px;height:40px;padding:0 12px 0 4px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.05);font-size:14px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--btn);display:grid;place-items:center;font-weight:800;font-size:14px}
.plan-tag{font-size:11px;padding:2px 8px;border-radius:999px;background:rgba(95,208,255,.15);color:#7fdcff}
.plan-tag.vip{background:rgba(255,196,77,.18);color:#ffd27a}
.plan-tag.svip{background:linear-gradient(90deg,rgba(255,77,132,.25),rgba(167,139,250,.3));color:#ffd1e4}
.user-menu{position:absolute;right:0;top:50px;min-width:170px;padding:8px;border-radius:14px;background:rgba(10,18,48,.97);border:1px solid var(--line2);box-shadow:0 20px 60px rgba(0,0,0,.5);display:none}
.user-menu.open{display:block}
.user-menu>*{display:block;width:100%;text-align:left;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--sub)}
.user-menu>*:hover{background:rgba(255,255,255,.06);color:#fff}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line2);position:relative;margin-left:auto}
.burger i{position:absolute;left:11px;right:11px;height:2px;background:#fff;border-radius:2px;transition:.25s}
.burger i:first-child{top:15px}.burger i:last-child{top:24px}
.nav.open .burger i:first-child{transform:translateY(4.5px) rotate(45deg)}
.nav.open .burger i:last-child{transform:translateY(-4.5px) rotate(-45deg)}

/* 首屏 */
.hero{position:relative;min-height:100vh;min-height:100svh;padding:120px 0 40px;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-bg img{position:absolute;right:-6%;top:50%;width:min(1180px,82vw);height:auto;transform:translateY(-52%);opacity:.95;-webkit-mask-image:radial-gradient(ellipse 62% 64% at 56% 50%,#000 45%,transparent 78%);mask-image:radial-gradient(ellipse 62% 64% at 56% 50%,#000 45%,transparent 78%);animation:heroIn 1.6s cubic-bezier(.2,.7,.2,1) both}
@keyframes heroIn{from{opacity:0;transform:translateY(-48%) scale(1.06)}}
.hero-in{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:40px}
.hero-copy{position:relative;z-index:2}
.pill{display:inline-flex;align-items:center;gap:10px;height:36px;padding:0 16px 0 12px;border-radius:999px;border:1px solid var(--line2);background:rgba(20,40,100,.45);font-size:14px;color:#cfe0ff;backdrop-filter:blur(8px);margin-bottom:26px;animation:up .8s .1s both}
.pill-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(47,209,138,.6);animation:ping 1.8s infinite}
.pill-arrow{color:#7fdcff}
@keyframes ping{70%{box-shadow:0 0 0 9px rgba(47,209,138,0)}100%{box-shadow:0 0 0 0 rgba(47,209,138,0)}}
.hero h1{font-size:clamp(40px,5.6vw,76px);line-height:1.12;font-weight:900;letter-spacing:1px;animation:up .9s .2s both}
.lead{margin-top:24px;max-width:560px;font-size:clamp(16px,1.45vw,19px);color:var(--sub);animation:up .9s .35s both}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;animation:up .9s .5s both}
.hero-cta.center{justify-content:center}
.play-link{display:inline-flex;align-items:center;gap:10px;margin-top:22px;font-size:15px;color:#cfe0ff;animation:up .9s .6s both}
.play-link:hover{color:#fff}
.play-ic{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line2);background:rgba(255,255,255,.06);padding-left:2px}
@keyframes up{from{opacity:0;transform:translateY(22px)}}

.radar-card{position:relative;z-index:2;justify-self:end;width:min(420px,100%);padding:18px;margin-top:220px;animation:up 1s .8s both,float 7s 2s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-10px)}}
.rc-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.rc-head b{display:block;font-size:16px}
.rc-head small{display:block;font-size:12px;color:var(--dim)}
.mini-radar{width:40px;height:40px;border-radius:50%;flex:none;position:relative;background:radial-gradient(circle,rgba(95,208,255,.25) 0 1px,transparent 1.5px) 0 0/8px 8px,radial-gradient(circle at 50% 50%,#0c2a63,#081536);border:1px solid rgba(95,208,255,.5);overflow:hidden}
.mini-radar::before{content:"";position:absolute;inset:7px;border-radius:50%;border:1px solid rgba(95,208,255,.35)}
.mini-radar i{position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 0deg,rgba(95,208,255,.75),rgba(95,208,255,0) 70deg,transparent 360deg);animation:spin 2.4s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.live{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:12px;color:#7ff0c0}
.live i{width:7px;height:7px;border-radius:50%;background:var(--green);animation:blink 1.2s infinite}
@keyframes blink{50%{opacity:.25}}
.rc-row{display:flex;align-items:center;gap:12px;padding:10px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);margin-top:8px}
.rc-row.hot{background:linear-gradient(100deg,rgba(255,77,132,.14),rgba(53,103,238,.1));border-color:rgba(255,120,170,.35)}
.rc-row img{height:60px}
.rc-row img,.rc-thumb{width:46px;height:60px;border-radius:9px;object-fit:cover;flex:none}
.rc-thumb.t2{background:linear-gradient(160deg,#2a6fd8,#0e2e66 60%,#123),url(/assets/img/harbor.webp) center/cover}
.rc-info{min-width:0;flex:1}
.rc-info b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rc-info small{font-size:12px;color:var(--sub)}
.rc-info em.g{font-style:normal;color:var(--green)}
.rc-side{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex:none}
.score{font-size:12px;font-weight:800;padding:2px 8px;border-radius:7px;background:var(--blue)}
.up{font-size:12px;font-weight:700;color:#ff8db3}
.rc-foot{display:flex;justify-content:space-between;margin-top:12px;font-size:12px;color:var(--dim)}
.rc-foot b{color:#cfe0ff;font-variant-numeric:tabular-nums}
.trust{margin-top:56px;position:relative;z-index:2}
.platforms{display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;color:var(--dim);font-size:14px}
.platforms b{font-size:17px;color:#c3d0f0;font-weight:700;letter-spacing:1px;opacity:.85}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border-radius:24px;overflow:hidden;border:1px solid var(--line);background:var(--line);margin-top:10px}
.stat{padding:30px 26px;background:linear-gradient(180deg,rgba(14,26,66,.9),rgba(8,15,42,.9))}
.stat b{display:block;font-size:44px;font-weight:900;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat b i{font-style:normal;font-size:18px;margin-left:4px}
.stat>span{font-size:14px;color:var(--sub)}

/* 区块 */
.section{padding:120px 0 40px;position:relative}
.sec-head{text-align:center;max-width:920px;margin:0 auto 56px}
.eyebrow{display:inline-block;font-size:13px;font-weight:800;letter-spacing:3px;color:#7fdcff;margin-bottom:14px}
.sec-head h2,.dl h2,.about h2{font-size:clamp(30px,3.6vw,50px);line-height:1.22;font-weight:900;letter-spacing:.5px}
.sec-head p{margin-top:16px;font-size:17px;color:var(--sub)}

/* 流程 */
.flow{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.flow::before{content:"";position:absolute;left:8%;right:8%;top:64px;height:2px;background:linear-gradient(90deg,transparent,#3567ee,#22b8d8,#8b5cf6,transparent);opacity:.6}
.flow::after{content:"";position:absolute;left:8%;top:60px;width:90px;height:10px;border-radius:10px;background:radial-gradient(closest-side,#bff3ff,rgba(95,208,255,0));animation:runline 3.6s ease-in-out infinite}
@keyframes runline{0%{left:8%;opacity:0}10%{opacity:1}90%{opacity:1}100%{left:86%;opacity:0}}
.flow li{position:relative;text-align:center;padding:0 6px}
.flow img{width:128px;height:128px;margin:0 auto 16px;border-radius:28px;-webkit-mask-image:radial-gradient(circle,#000 56%,transparent 72%);mask-image:radial-gradient(circle,#000 56%,transparent 72%);transition:transform .35s}
.flow li:hover img{transform:translateY(-6px) scale(1.06)}
.flow b{display:block;font-size:19px;margin-bottom:4px}
.flow span{font-size:14px;color:var(--sub)}

/* 功能 */
.feat{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-items:center;gap:64px;margin-bottom:110px}
.feat.flip .feat-copy{order:2}
.feat-ic img{width:72px;height:72px;border-radius:18px;-webkit-mask-image:radial-gradient(circle,#000 58%,transparent 72%);mask-image:radial-gradient(circle,#000 58%,transparent 72%);margin-bottom:10px}
.feat-no{font-size:14px;font-weight:800;letter-spacing:2px;color:#7fdcff}
.feat h3{font-size:clamp(26px,2.6vw,38px);line-height:1.25;font-weight:900;margin:10px 0 16px}
.feat p{color:var(--sub);font-size:16px}
.ticks{list-style:none;margin-top:20px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:30px;font-size:15px;color:#d5e0ff}
.ticks li::before{content:"";position:absolute;left:0;top:3px;width:19px;height:19px;border-radius:50%;background:rgba(95,208,255,.16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-6.5' fill='none' stroke='%237fdcff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px no-repeat}
.ticks.small li{font-size:14px;padding-left:26px}
.ticks.small li::before{width:17px;height:17px;top:3px}
.screen{position:relative;border-radius:20px;padding:10px;background:linear-gradient(160deg,rgba(120,170,255,.35),rgba(80,60,200,.15) 50%,rgba(34,184,216,.3));box-shadow:0 40px 100px rgba(0,0,0,.55),0 0 80px rgba(53,103,238,.25);transform:perspective(1600px) rotateY(-6deg) rotateX(3deg);transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.feat.flip .screen{transform:perspective(1600px) rotateY(6deg) rotateX(3deg)}
.feat:hover .screen{transform:perspective(1600px) rotateY(0) rotateX(0)}
.screen img{border-radius:12px;width:100%;height:auto;background:#fff}
.screen.stack{padding-bottom:60px}
.screen.stack .back{position:absolute;width:64%;right:-6%;bottom:-40px;border-radius:12px;box-shadow:0 30px 70px rgba(0,0,0,.6),0 0 0 2px rgba(140,200,255,.5)}

.mock-collect{border-radius:12px;background:#f6f9ff;color:#13213f;padding:22px}
.mc-bar{display:flex;gap:12px}
.mc-input{flex:1;min-width:0;height:52px;border-radius:12px;border:2px solid #3567ee;background:#fff;display:flex;align-items:center;padding:0 16px;font-size:16px;color:#3a4a6b;overflow:hidden;white-space:nowrap}
.mc-input .caret{background:#3567ee}
.mc-btn{width:110px;height:52px;border-radius:12px;background:linear-gradient(135deg,#3567ee,#4c7df0);color:#fff;font-weight:800;display:grid;place-items:center}
.mc-body{display:flex;gap:22px;margin-top:20px}
.mc-video{position:relative;width:34%;flex:none;align-self:flex-start;border-radius:14px;overflow:hidden;box-shadow:0 14px 30px rgba(20,40,90,.25)}
.mc-video img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover}
.mc-play{position:absolute;left:50%;top:50%;width:54px;height:54px;margin:-27px;border-radius:50%;background:rgba(0,0,0,.45)}
.mc-play::after{content:"";position:absolute;left:21px;top:16px;border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent}
.mc-info{flex:1;min-width:0}
.mc-info>b{display:block;font-size:20px;line-height:1.35}
.mc-stats{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:8px;font-size:14px;color:#5a6a8b}
.mc-ok{display:inline-block;margin-top:12px;padding:4px 12px;border-radius:999px;background:#e7f8ef;color:#13a46b;font-size:13px;font-weight:800}
.mc-text{margin-top:14px;padding:14px 16px;border-radius:12px;background:#eaf1ff;font-size:15px;line-height:1.9;color:#2a3a5b}
/* 聊天 */
.chat{padding:22px;max-width:560px;justify-self:end;width:100%}
.chat-top{display:flex;align-items:center;gap:7px;margin-bottom:18px;font-size:14px;font-weight:700;color:#7fdcff}
.chat-top i{width:11px;height:11px;border-radius:50%;background:#3a4a77}
.chat-top i:nth-child(3){background:var(--green)}
.chat-top span{margin-left:6px}
.msg{border-radius:16px;padding:14px 16px;font-size:15px}
.msg.me{background:var(--btn);margin-left:auto;max-width:92%;width:fit-content;min-height:52px;font-weight:600}
.caret{display:inline-block;width:2px;height:17px;background:#fff;vertical-align:-3px;margin-left:2px;animation:blink 1s infinite}
.msg.ai{margin-top:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)}
.step{display:flex;align-items:center;gap:10px;padding:7px 0;color:#d5e0ff;opacity:.15;transform:translateY(6px);transition:.5s}
.step.on{opacity:1;transform:none}
.ck{width:22px;height:22px;border-radius:50%;flex:none;background:rgba(47,209,138,.18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-6.5' fill='none' stroke='%232fd18a' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}

/* 视频 */
.player{position:relative;max-width:1040px;margin:0 auto;border-radius:24px;overflow:hidden;border:1px solid var(--line2);box-shadow:0 50px 120px rgba(0,0,0,.6),0 0 120px rgba(53,103,238,.3);background:#000;aspect-ratio:16/9}
.player video{width:100%;height:100%;display:block;object-fit:cover}
.player-cover{position:absolute;inset:0;display:grid;place-items:center;background:radial-gradient(circle,rgba(5,10,31,.1),rgba(5,10,31,.45));transition:opacity .3s}
.player.playing .player-cover{opacity:0;pointer-events:none}
.big-play{width:96px;height:96px;border-radius:50%;display:grid;place-items:center;background:var(--btn);padding-left:6px;box-shadow:0 0 0 14px rgba(95,208,255,.15),0 20px 60px rgba(53,103,238,.7);transition:transform .25s}
.player-cover:hover .big-play{transform:scale(1.08)}

/* 案例 */
.case{overflow:hidden}
.case-bg{position:absolute;inset:0;z-index:-1}
.case-bg img{width:100%;height:100%;object-fit:cover;opacity:.42;-webkit-mask-image:linear-gradient(180deg,transparent,#000 22%,#000 70%,transparent);mask-image:linear-gradient(180deg,transparent,#000 22%,#000 70%,transparent)}
.case-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}
.versus{display:flex;align-items:center;justify-content:center;gap:22px;padding:30px}
.vs-item{width:44%;text-align:center}
.vs-item img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:16px}
.vs-item.dim img{object-fit:contain;background:#0b1530;filter:saturate(.5) brightness(.7)}
.vs-item.win img{box-shadow:0 0 0 3px #ff4d84,0 20px 60px rgba(255,77,132,.45)}
.vs-item figcaption{margin-top:14px;display:flex;flex-direction:column;align-items:center}
.vs-item figcaption b{font-size:36px;font-weight:900;line-height:1.1;font-variant-numeric:tabular-nums}
.vs-item.dim figcaption b{color:#8d99bb}
.vs-item small{font-size:13px;color:var(--sub)}
.heart{color:#ff4d84;font-size:22px;line-height:1}
.heart.grey{color:#6f7fa8}
.vs{font-size:34px;font-weight:900;font-style:italic;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.timeline{list-style:none;padding:30px 30px 30px 34px;counter-reset:t}
.timeline li{position:relative;padding:0 0 18px 34px;counter-increment:t}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:counter(t);position:absolute;left:0;top:2px;width:24px;height:24px;border-radius:50%;background:var(--btn);font-size:13px;font-weight:800;display:grid;place-items:center}
.timeline li::after{content:"";position:absolute;left:11.5px;top:28px;bottom:2px;width:1px;background:var(--line2)}
.timeline li:last-child::after{display:none}
.timeline b{display:block;font-size:17px}
.timeline span{font-size:15px;color:var(--sub)}

/* 行业 */
.inds{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ind{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:3/4;border:1px solid var(--line)}
.ind img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.ind:hover img{transform:scale(1.07)}
.ind figcaption{position:absolute;left:0;right:0;bottom:0;padding:70px 18px 18px;background:linear-gradient(180deg,transparent,rgba(5,10,31,.92))}
.ind b{display:block;font-size:20px}
.ind span{font-size:14px;color:#c6d3f3}

/* 价格 */
.period{display:flex;width:fit-content;margin:0 auto 34px;padding:5px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.04)}
.period button{height:40px;padding:0 22px;border-radius:999px;font-size:15px;color:var(--sub);display:flex;align-items:center;gap:6px}
.period button em{font-style:normal;font-size:11px;padding:1px 7px;border-radius:999px;background:rgba(255,77,132,.18);color:#ff9dbe}
.period button.on{background:var(--btn);color:#fff;font-weight:700}
.period button.on em{background:rgba(255,255,255,.22);color:#fff}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
.plan{position:relative;padding:26px 22px;border-radius:22px;border:1px solid var(--line2);background:linear-gradient(180deg,rgba(18,32,80,.75),rgba(8,15,42,.85));display:flex;flex-direction:column}
.plan.hot{border:1px solid transparent;background:linear-gradient(180deg,rgba(28,40,100,.95),rgba(10,16,48,.95)) padding-box,linear-gradient(140deg,#5fd0ff,#3567ee,#a78bfa,#ff4d84) border-box;box-shadow:0 30px 80px rgba(53,103,238,.35);transform:translateY(-10px)}
.badge-hot{position:absolute;top:-13px;left:50%;transform:translateX(-50%);padding:4px 14px;border-radius:999px;font-size:12px;font-weight:800;background:linear-gradient(90deg,#ff4d84,#a78bfa);white-space:nowrap}
.plan-kind{font-size:15px;font-weight:800;color:#cfe0ff}
.price{margin:12px 0 4px;display:flex;align-items:baseline;gap:6px}
.price b{font-size:40px;font-weight:900;font-variant-numeric:tabular-nums}
.price small{color:var(--dim);font-size:14px}
.plan-desc{font-size:14px;color:var(--sub);margin-bottom:16px;min-height:22px}
.plan .ticks{margin-top:20px}
.points{margin-top:26px;padding:22px;border-radius:22px;border:1px solid var(--line2);background:rgba(255,255,255,.03);display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.points-head{flex:1;min-width:240px}
.points-head b{display:block;font-size:18px}
.points-head span{font-size:14px;color:var(--sub)}
.packs{display:flex;gap:12px;flex-wrap:wrap}
.pack{width:160px;padding:14px;border-radius:16px;border:1px solid var(--line2);background:rgba(255,255,255,.04);text-align:left;transition:.2s}
.pack:hover{border-color:#5fd0ff;transform:translateY(-3px)}
.pack.best{border-color:#ff9a4d;background:linear-gradient(160deg,rgba(255,154,77,.16),rgba(255,77,132,.08))}
.pack-tag{display:block;font-size:11px;color:var(--sub)}
.pack b{display:block;font-size:20px;margin:4px 0}
.pack-price{font-size:15px;font-weight:800;color:#ffd27a}
.compare{margin-top:26px;border-radius:18px;border:1px solid var(--line)}
.compare summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;color:#cfe0ff;display:flex;justify-content:center;gap:8px}
.compare summary::-webkit-details-marker{display:none}
.compare summary::after{content:"↓";color:#7fdcff}
.compare[open] summary::after{content:"↑"}
.table-wrap{overflow-x:auto;padding:0 12px 14px}
table{width:100%;border-collapse:collapse;min-width:760px;font-size:14px}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;color:var(--sub)}
th{color:#fff;font-size:14px}
td:first-child{color:#d5e0ff;font-weight:600}
.hl{background:rgba(53,103,238,.12);color:#e3ebff}

/* 下载 */
.dl{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:52px;overflow:hidden;position:relative}
.dl::before{content:"";position:absolute;width:600px;height:600px;right:-200px;top:-260px;border-radius:50%;background:radial-gradient(closest-side,rgba(53,103,238,.45),transparent);pointer-events:none}
.dl p{margin-top:14px;color:var(--sub);font-size:16px}
.dl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.dl-meta span{font-size:13px;padding:5px 12px;border-radius:999px;border:1px solid var(--line2);color:#cfe0ff}
.dl-art{position:relative}
.win{border-radius:14px;overflow:hidden;border:1px solid var(--line2);box-shadow:0 40px 90px rgba(0,0,0,.6);transform:perspective(1400px) rotateY(-12deg) rotateX(4deg)}
.win-bar{height:34px;display:flex;align-items:center;gap:7px;padding:0 12px;background:#0d1838;font-size:12px;color:var(--sub)}
.win-bar i{width:10px;height:10px;border-radius:50%;background:#2b3a66}
.win-bar span{margin-left:8px}
.win img{background:#fff;width:100%;height:auto}

/* FAQ */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font-size:18px;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;border-right:2px solid #7fdcff;border-bottom:2px solid #7fdcff;transform:translateY(-70%) rotate(45deg);transition:.25s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq p{padding:0 0 22px;color:var(--sub);font-size:16px}

/* 关于 */
.about{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.about p{margin-top:16px;color:var(--sub);font-size:16px}
.about-tags span{display:inline-block;margin-top:22px;padding:7px 16px;border-radius:999px;border:1px solid rgba(255,210,122,.4);color:#ffd27a;font-size:14px;background:rgba(255,210,122,.07)}
.about-cards{display:grid;gap:14px}
.mini{padding:20px 22px;border-radius:18px}
.mini b{display:block;font-size:18px}
.mini span{font-size:14px;color:var(--sub)}

/* 结尾 */
.cta{position:relative;padding:150px 0;margin-top:80px;overflow:hidden;text-align:center}
.cta-bg{position:absolute;inset:0;z-index:-1}
.cta-bg img{width:100%;height:100%;object-fit:cover;opacity:.9}
.cta h2{font-size:clamp(32px,4.6vw,62px);font-weight:900;line-height:1.2}

/* 页脚 */
.foot{border-top:1px solid var(--line);padding:56px 0 30px;background:rgba(3,7,22,.6)}
.foot-in{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:30px}
.foot-brand p{margin-top:12px;font-size:14px;color:var(--dim)}
.foot-col{display:flex;flex-direction:column;gap:10px;font-size:14px}
.foot-col b{color:#fff;margin-bottom:4px}
.foot-col a,.foot-col button,.foot-col .soon{color:var(--sub);text-align:left}
.foot-col a:hover,.foot-col button:hover{color:#fff}
.foot-col .soon{color:var(--dim)}
.foot-copy{display:flex;justify-content:space-between;margin-top:44px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--dim)}

/* 弹窗 */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none}
.modal-mask{position:absolute;inset:0;background:rgba(2,5,16,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fade .2s}
.modal-box{position:relative;width:min(440px,100%);max-height:calc(100vh - 40px);overflow:auto;padding:30px 28px;background:linear-gradient(170deg,rgba(24,40,100,.97),rgba(8,14,40,.98));animation:pop .25s cubic-bezier(.2,.8,.3,1.2)}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.97)}}
.modal-x{position:absolute;right:14px;top:10px;width:36px;height:36px;border-radius:50%;font-size:24px;color:var(--sub)}
.modal-x:hover{background:rgba(255,255,255,.08);color:#fff}
.m-title{font-size:24px;font-weight:900;margin-bottom:6px}
.m-sub{font-size:14px;color:var(--sub);margin-bottom:20px}
.tabs{display:flex;gap:4px;padding:4px;border-radius:12px;background:rgba(255,255,255,.05);margin-bottom:20px}
.tabs button{flex:1;height:38px;border-radius:9px;font-size:15px;color:var(--sub)}
.tabs button.on{background:rgba(95,208,255,.16);color:#fff;font-weight:700}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:13px;color:var(--sub);margin-bottom:6px}
.field input,.field textarea{width:100%;height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--line2);background:rgba(3,8,26,.6);color:#fff;font:inherit;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s}
.field textarea{height:84px;padding:10px 14px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:#5fd0ff;box-shadow:0 0 0 3px rgba(95,208,255,.15)}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--sub);margin:4px 0 16px}
.agree input{margin-top:3px;accent-color:#3567ee}
.agree a{color:#7fdcff}
.m-err{min-height:20px;font-size:13px;color:#ff8d9e;margin-bottom:8px}
.m-note{margin-top:14px;font-size:13px;color:var(--dim);text-align:center}
.m-box{padding:16px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line);margin-bottom:16px;font-size:14px;color:#d5e0ff}
.m-box b{color:#fff}
.m-ok{display:grid;place-items:center;width:64px;height:64px;margin:4px auto 14px;border-radius:50%;background:rgba(47,209,138,.16)}
.svc{display:flex;gap:14px;align-items:center}
.svc img{width:120px;height:120px;border-radius:10px;background:#fff}
.quota{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}
.quota div{padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.05);font-size:13px;color:var(--sub)}
.quota b{display:block;font-size:18px;color:#fff}
.toast{position:fixed;left:50%;bottom:30px;z-index:200;transform:translate(-50%,20px);opacity:0;pointer-events:none;padding:12px 20px;border-radius:12px;background:rgba(15,25,60,.95);border:1px solid var(--line2);font-size:14px;transition:.3s}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* 滚动出现 */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1080px){
  .menu{display:none}
  .burger{display:block}
  .nav-act{margin-left:auto}
  .nav.open .menu{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;padding:12px 24px 20px;background:rgba(5,10,31,.97);border-bottom:1px solid var(--line)}
  .nav.open .drop-panel{position:static;opacity:1;visibility:visible;transform:none;width:auto;margin-top:6px}
  .hero-in{grid-template-columns:minmax(0,1fr)}
  .radar-card{justify-self:start;margin-top:30px}
  .hero-bg img{width:130vw;right:-40%;top:38%;opacity:.55}
  .plans{grid-template-columns:repeat(2,1fr)}
  .plan.hot{transform:none}
  .inds{grid-template-columns:repeat(2,1fr)}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .feat,.feat.flip{grid-template-columns:minmax(0,1fr);gap:30px;margin-bottom:80px}
  .screen.stack .back{right:-2%;width:60%}
  .mc-body{gap:14px}
  .mc-info>b{font-size:16px}
  .mc-text{font-size:13px;padding:10px 12px}
  .mc-btn{width:76px}
  .feat.flip .feat-copy{order:0}
  .screen,.feat.flip .screen{transform:none}
  .case-grid,.about,.dl{grid-template-columns:minmax(0,1fr)}
  .dl{padding:34px 24px}
  .flow{grid-template-columns:repeat(2,1fr);row-gap:30px}
  .flow::before,.flow::after{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .chat{justify-self:stretch}
  .win{transform:none}
}
@media (max-width:560px){
  .wrap{width:calc(100% - 32px)}
  .nav-act .btn-text{display:none}
  .hero{padding-top:96px}
  .hero-cta .btn{flex:1;min-width:0;padding:0 16px}
  .section{padding:84px 0 20px}
  .plans{grid-template-columns:1fr}
  .stat{padding:22px 18px}
  .stat b{font-size:34px}
  .inds{grid-template-columns:1fr 1fr;gap:10px}
  .ind figcaption{padding:50px 12px 12px}
  .ind b{font-size:16px}
  .ind span{font-size:12px}
  .versus{padding:20px 14px;gap:10px}
  .vs-item figcaption b{font-size:26px}
  .foot-in{grid-template-columns:1fr 1fr}
  .foot-copy{flex-direction:column;gap:6px}
  .pack{width:calc(50% - 6px)}
  .packs{width:100%}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}