:root{
  --bg:#ffffff;--bg2:#f5f9ff;--soft:#eef5ff;--line:#e6ecf5;--line2:#d6e2f3;
  --text:#14213d;--sub:#56637a;--dim:#8a95a8;
  --blue:#2f7cf6;--blue2:#1f68e0;--sky:#5fb4ff;--cyan:#22b8d8;--violet:#7c6cf6;--pink:#f0487c;--green:#16a36a;
  --grad:linear-gradient(100deg,#2f7cf6 0%,#4a9bff 55%,#22b8d8 100%);
  --btn:linear-gradient(100deg,#3b8bff 0%,#2f7cf6 60%,#2468e6 100%);
  --shadow:0 1px 2px rgba(20,40,80,.05),0 8px 24px rgba(20,60,130,.07);
  --shadow-lg:0 2px 6px rgba(20,40,80,.05),0 24px 60px rgba(30,80,170,.12);
  --r:20px;--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：顶部淡蓝光晕 */
.aurora{position:absolute;left:0;right:0;top:0;height:980px;z-index:-1;pointer-events:none;overflow:hidden;background:linear-gradient(180deg,#eef5ff 0%,#f7fbff 55%,#fff 100%)}
.aurora i{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}
.aurora i:nth-child(1){width:560px;height:560px;left:-160px;top:-120px;background:#cfe3ff}
.aurora i:nth-child(2){width:520px;height:520px;right:-140px;top:60px;background:#d9ecff}
.aurora i:nth-child(3){width:420px;height:420px;left:42%;top:420px;background:#e3f4fb;opacity:.7}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;letter-spacing:.3px;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%;height:46px;font-size:15px}
.btn-primary{background:var(--btn);color:#fff;box-shadow:0 8px 20px rgba(47,124,246,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(47,124,246,.36)}
.btn-glass{background:#fff;border:1px solid var(--line2);color:var(--text);box-shadow:var(--shadow)}
.btn-glass:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line2);background:#fff;color:var(--text)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-text{height:38px;padding:0 14px;font-size:14px;color:var(--sub)}
.btn-text:hover{color:var(--blue)}
.glass{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}

/* 导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,border-color .3s,box-shadow .3s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(255,255,255,.88);border-bottom-color:var(--line);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%)}
.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;color:var(--text)}
.menu{display:flex;align-items:center;gap:4px;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:var(--blue);background:var(--soft)}
.drop{position:relative}
.drop-panel{position:absolute;top:46px;left:0;width:360px;padding:10px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg);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:var(--soft)}
.drop-item .ic{width:40px;height:40px;border-radius:10px}
.drop-item .ic svg{width:20px;height:20px}
.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:var(--soft);color:var(--blue)}
.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:#fff;font-size:14px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--btn);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}
.plan-tag{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--soft);color:var(--blue)}
.plan-tag.vip{background:#fff6dd;color:#a16207}
.plan-tag.svip{background:linear-gradient(90deg,#ffe4ee,#ece8ff);color:#b4246a}
.user-menu{position:absolute;right:0;top:50px;min-width:170px;padding:8px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg);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:var(--soft);color:var(--blue)}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line2);background:#fff;position:relative;margin-left:auto}
.burger i{position:absolute;left:11px;right:11px;height:2px;background:var(--text);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;padding:140px 0 40px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:center;gap:48px}
.hero-copy{position:relative;z-index:2}
.pill{display:inline-flex;align-items:center;gap:10px;height:34px;padding:0 16px 0 12px;border-radius:999px;border:1px solid var(--line2);background:#fff;font-size:14px;color:var(--sub);box-shadow:var(--shadow);margin-bottom:24px;animation:up .8s .1s both}
.pill-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(22,163,106,.5);animation:ping 1.8s infinite}
.pill-arrow{color:var(--blue)}
@keyframes ping{70%{box-shadow:0 0 0 8px rgba(22,163,106,0)}100%{box-shadow:0 0 0 0 rgba(22,163,106,0)}}
.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.15;font-weight:900;letter-spacing:.5px;color:var(--text);animation:up .9s .2s both}
.lead{margin-top:22px;max-width:560px;font-size:clamp(16px,1.4vw,18px);color:var(--sub);animation:up .9s .35s both}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;animation:up .9s .5s both}
.hero-cta.center{justify-content:center}
.play-link{display:inline-flex;align-items:center;gap:10px;margin-top:20px;font-size:15px;color:var(--sub);animation:up .9s .6s both}
.play-link:hover{color:var(--blue)}
.play-ic{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line2);background:#fff;color:var(--blue);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;animation:up 1s .7s both,float 7s 2s ease-in-out infinite;box-shadow:var(--shadow-lg)}
@keyframes float{50%{transform:translateY(-8px)}}
.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 at 50% 50%,#eaf3ff,#d5e6ff);border:1px solid #b9d4fb;overflow:hidden}
.mini-radar::before{content:"";position:absolute;inset:7px;border-radius:50%;border:1px solid #9cc2f7}
.mini-radar i{position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 0deg,rgba(47,124,246,.6),rgba(47,124,246,0) 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:var(--green)}
.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:8px 10px;border-radius:14px;background:var(--bg2);border:1px solid var(--line);margin-top:7px}
.rc-row.hot{background:linear-gradient(100deg,#fff1f5,#eef5ff);border-color:#ffc9d9}
.rc-row img,.rc-thumb{width:42px;height:54px;border-radius:9px;object-fit:cover;flex:none}
.rc-thumb.t2{background:linear-gradient(160deg,#7fb6ff,#2f7cf6)}
.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);color:#fff}
.up{font-size:12px;font-weight:700;color:var(--pink)}
.rc-foot{display:flex;justify-content:space-between;margin-top:12px;font-size:12px;color:var(--dim)}
.rc-foot b{color:var(--text);font-variant-numeric:tabular-nums}
.trust{margin-top:48px;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:16px;color:#5b6a85;font-weight:700;letter-spacing:1px}

/* 产品大图 */
.product{position:relative;margin-top:56px;animation:up 1s .9s both}
.product-win{border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line2);box-shadow:0 30px 80px rgba(30,80,170,.16),0 4px 12px rgba(20,40,80,.06)}
.product-bar{height:34px;display:flex;align-items:center;gap:7px;padding:0 14px;background:#f4f7fb;border-bottom:1px solid var(--line);font-size:12px;color:var(--dim)}
.product-bar i{width:10px;height:10px;border-radius:50%;background:#dfe5ee}
.product-bar i:nth-child(1){background:#ff6058}.product-bar i:nth-child(2){background:#ffbd2e}.product-bar i:nth-child(3){background:#28c840}
.product-bar span{margin-left:8px}
.product-win img{width:100%;height:auto}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--line);margin-top:70px;box-shadow:var(--shadow)}
.stat{padding:28px 26px;background:#fff}
.stat b{display:block;font-size:42px;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:110px 0 40px;position:relative}
.section.tint{background:linear-gradient(180deg,#fff,var(--bg2) 18%,var(--bg2) 82%,#fff)}
.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:var(--blue);margin-bottom:14px}
.sec-head h2,.dl h2,.about h2{font-size:clamp(28px,3.4vw,46px);line-height:1.24;font-weight:900;letter-spacing:.3px}
.sec-head p{margin-top:16px;font-size:17px;color:var(--sub)}

/* 图标块 */
.ic{display:grid;place-items:center;flex:none;background:linear-gradient(145deg,#eaf3ff,#d9e9ff);color:var(--blue);border:1px solid #cfe1fb}
.ic svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* 流程 */
.flow{list-style:none;display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative}
.flow::before{content:"";position:absolute;left:10%;right:10%;top:44px;height:2px;background:linear-gradient(90deg,transparent,#9cc2f7,#5fb4ff,#9cc2f7,transparent)}
.flow::after{content:"";position:absolute;left:10%;top:40px;width:80px;height:10px;border-radius:10px;background:radial-gradient(closest-side,#2f7cf6,rgba(47,124,246,0));animation:runline 3.6s ease-in-out infinite}
@keyframes runline{0%{left:10%;opacity:0}10%{opacity:1}90%{opacity:1}100%{left:84%;opacity:0}}
.flow li{position:relative;text-align:center;padding:0 6px}
.flow .ic{width:88px;height:88px;margin:0 auto 18px;border-radius:24px;position:relative;z-index:1;background:#fff;box-shadow:var(--shadow);transition:transform .35s}
.flow .ic svg{width:38px;height:38px}
.flow li:hover .ic{transform:translateY(-6px)}
.flow b{display:block;font-size:18px;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:100px}
.feat.flip .feat-copy{order:2}
.feat-ic .ic{width:60px;height:60px;border-radius:16px;margin-bottom:12px}
.feat-ic .ic svg{width:28px;height:28px}
.feat-no{font-size:14px;font-weight:800;letter-spacing:2px;color:var(--blue)}
.feat h3{font-size:clamp(24px,2.4vw,34px);line-height:1.28;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:#2f3d58}
.ticks li::before{content:"";position:absolute;left:0;top:3px;width:19px;height:19px;border-radius:50%;background:#e3efff 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='%232f7cf6' 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:18px;padding:8px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg);transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.feat:hover .screen{transform:translateY(-4px)}
.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 24px 60px rgba(30,80,170,.22),0 0 0 1px var(--line2)}

.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 var(--blue);background:#fff;display:flex;align-items:center;padding:0 16px;font-size:16px;color:#3a4a6b;overflow:hidden;white-space:nowrap}
.mc-input .caret{background:var(--blue)}
.mc-btn{width:110px;height:52px;border-radius:12px;background:var(--btn);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,.18)}
.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%;box-shadow:var(--shadow-lg)}
.chat-top{display:flex;align-items:center;gap:7px;margin-bottom:18px;font-size:14px;font-weight:700;color:var(--blue)}
.chat-top i{width:11px;height:11px;border-radius:50%;background:#dfe5ee}
.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);color:#fff;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:var(--bg2);border:1px solid var(--line)}
.step{display:flex;align-items:center;gap:10px;padding:7px 0;color:#2f3d58;opacity:.15;transform:translateY(6px);transition:.5s}
.step.on{opacity:1;transform:none}
.ck{width:22px;height:22px;border-radius:50%;flex:none;background:#e3f6ec 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='%2316a36a' 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:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:#0b1220;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(10,20,40,.05),rgba(10,20,40,.35));transition:opacity .3s}
.player.playing .player-cover{opacity:0;pointer-events:none}
.big-play{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:var(--btn);color:#fff;padding-left:6px;box-shadow:0 0 0 12px rgba(255,255,255,.35),0 16px 40px rgba(47,124,246,.45);transition:transform .25s}
.player-cover:hover .big-play{transform:scale(1.08)}

/* 案例 */
.case{overflow:hidden}
.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:#eef2f8;filter:saturate(.6)}
.vs-item.win img{box-shadow:0 0 0 3px var(--pink),0 18px 40px rgba(240,72,124,.28)}
.vs-item figcaption{margin-top:14px;display:flex;flex-direction:column;align-items:center}
.vs-item figcaption b{font-size:34px;font-weight:900;line-height:1.1;font-variant-numeric:tabular-nums}
.vs-item.dim figcaption b{color:#9aa4b6}
.vs-item small{font-size:13px;color:var(--sub)}
.heart{color:var(--pink);font-size:22px;line-height:1}
.heart.grey{color:#b5bfcf}
.vs{font-size:32px;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);color:#fff;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:18px;overflow:hidden;aspect-ratio:3/4;box-shadow:var(--shadow)}
.ind img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.ind:hover img{transform:scale(1.06)}
.ind figcaption{position:absolute;left:0;right:0;bottom:0;padding:70px 18px 18px;color:#fff;background:linear-gradient(180deg,transparent,rgba(10,20,45,.82))}
.ind b{display:block;font-size:20px}
.ind span{font-size:14px;color:#e2e9f6}

/* 价格 */
.period{display:flex;width:fit-content;margin:0 auto 34px;padding:5px;border-radius:999px;border:1px solid var(--line2);background:#fff;box-shadow:var(--shadow)}
.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:#ffe4ee;color:#c42a63}
.period button.on{background:var(--btn);color:#fff;font-weight:700}
.period button.on em{background:rgba(255,255,255,.25);color:#fff}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
.plan{position:relative;padding:26px 22px;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column}
.plan.hot{border:2px solid var(--blue);background:linear-gradient(180deg,#f3f8ff,#fff 40%);box-shadow:0 20px 50px rgba(47,124,246,.18);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;color:#fff;background:var(--btn);white-space:nowrap}
.plan-kind{font-size:15px;font-weight:800;color:var(--text)}
.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:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);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:#fff;text-align:left;transition:.2s}
.pack:hover{border-color:var(--blue);transform:translateY(-3px)}
.pack.best{border-color:var(--blue);background:var(--soft)}
.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:var(--blue)}
.compare{margin-top:26px;border-radius:18px;border:1px solid var(--line);background:#fff}
.compare summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;color:var(--text);display:flex;justify-content:center;gap:8px}
.compare summary::-webkit-details-marker{display:none}
.compare summary::after{content:"↓";color:var(--blue)}
.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:var(--text);font-size:14px}
td:first-child{color:var(--text);font-weight:600}
.hl{background:var(--soft);color:var(--blue2)}

/* 下载 */
.dl{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:52px;overflow:hidden;position:relative;background:linear-gradient(135deg,#f3f8ff,#fff 60%)}
.dl::before{content:"";position:absolute;width:560px;height:560px;right:-200px;top:-260px;border-radius:50%;background:radial-gradient(closest-side,rgba(95,180,255,.28),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);background:#fff;color:var(--sub)}
.dl-art{position:relative}
.win{border-radius:14px;overflow:hidden;border:1px solid var(--line2);box-shadow:var(--shadow-lg)}
.win-bar{height:34px;display:flex;align-items:center;gap:7px;padding:0 12px;background:#f4f7fb;border-bottom:1px solid var(--line);font-size:12px;color:var(--dim)}
.win-bar i{width:10px;height:10px;border-radius:50%;background:#dfe5ee}
.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:11px;height:11px;border-right:2px solid var(--blue);border-bottom:2px solid var(--blue);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-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:120px 0;margin-top:80px;overflow:hidden;text-align:center;background:linear-gradient(135deg,#2f7cf6 0%,#4a9bff 55%,#5fc3f0 100%);color:#fff}
.cta::before,.cta::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.12)}
.cta::before{width:520px;height:520px;left:-160px;top:-220px}
.cta::after{width:420px;height:420px;right:-120px;bottom:-240px}
.cta h2{position:relative;font-size:clamp(30px,4.2vw,54px);font-weight:900;line-height:1.22}
.cta .grad{background:none;-webkit-background-clip:initial;background-clip:initial;color:#fff}
.cta .sec-head p,.cta p{color:rgba(255,255,255,.9)}
.cta .btn-primary{background:#fff;color:var(--blue);box-shadow:0 10px 30px rgba(10,40,100,.25)}
.cta .btn-glass{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff;box-shadow:none}
.cta .btn-glass:hover{background:rgba(255,255,255,.24);color:#fff}

/* 页脚 */
.foot{border-top:1px solid var(--line);padding:56px 0 30px;background:#f7f9fc}
.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:var(--text);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:var(--blue)}
.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(15,25,45,.45);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:fade .2s}
.modal-box{position:relative;width:min(440px,100%);max-height:calc(100vh - 40px);overflow:auto;padding:30px 28px;background:#fff;box-shadow:0 30px 80px rgba(15,30,60,.25);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(--dim)}
.modal-x:hover{background:var(--soft);color:var(--text)}
.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:#f1f4f9;margin-bottom:20px}
.tabs button{flex:1;height:38px;border-radius:9px;font-size:15px;color:var(--sub)}
.tabs button.on{background:#fff;color:var(--blue);font-weight:700;box-shadow:0 1px 3px rgba(20,40,80,.1)}
.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:#fff;color:var(--text);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:var(--blue);box-shadow:0 0 0 3px rgba(47,124,246,.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:var(--blue)}
.agree a{color:var(--blue)}
.m-err{min-height:20px;font-size:13px;color:#e5484d;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:var(--bg2);border:1px solid var(--line);margin-bottom:16px;font-size:14px;color:var(--sub)}
.m-box b{color:var(--text)}
.m-ok{display:grid;place-items:center;width:64px;height:64px;margin:4px auto 14px;border-radius:50%;background:#e3f6ec}
.svc{display:flex;gap:14px;align-items:center}
.svc img{flex:none;width:150px;height:150px;padding:6px;border-radius:12px;background:#fff;border:1px solid var(--line)}
.quota{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}
.quota div{padding:10px 12px;border-radius:12px;background:var(--bg2);font-size:13px;color:var(--sub)}
.quota b{display:block;font-size:18px;color:var(--text)}
.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:#1f2937;color:#fff;font-size:14px;transition:.3s}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* 滚动出现 */
.reveal{opacity:0;transform:translateY(36px);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{background:#fff}
  .nav.open .menu{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;padding:12px 24px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open .drop-panel{position:static;opacity:1;visibility:visible;transform:none;width:auto;margin-top:6px;box-shadow:none}
  .hero-in{grid-template-columns:minmax(0,1fr)}
  .radar-card{justify-self:start;margin-top:10px}
  .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}
  .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}
}
@media (max-width:560px){
  .wrap{width:calc(100% - 32px)}
  .nav-act .btn-text{display:none}
  .hero{padding-top:100px}
  .hero-cta .btn{flex:1;min-width:0;padding:0 16px}
  .section{padding:80px 0 20px}
  .plans{grid-template-columns:1fr}
  .stat{padding:22px 18px}
  .stat b{font-size:32px}
  .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%}
  .product{margin-top:36px}
}
/* 极影智造 AI 短剧工作台：深海蓝色带，和应用图标同一套品牌色 */
.drop-item .ic img{width:40px;height:40px;border-radius:10px}
.drop-item em.new{background:linear-gradient(100deg,#22b8d8,#7c6cf6);color:#fff}
.studio{--s-bg:#070d24;--s-panel:rgba(255,255,255,.04);--s-line:rgba(160,190,255,.14);--s-text:#eef3ff;--s-sub:#a7b3d1;--s-grad:linear-gradient(100deg,#22b8d8 0%,#3567ee 52%,#8b5cf6 100%);position:relative;margin-top:110px;padding:110px 0 96px;background:var(--s-bg);color:var(--s-text);overflow:hidden;isolation:isolate}
.studio-glow{position:absolute;inset:0;z-index:-1;pointer-events:none}
.studio-glow i{position:absolute;border-radius:50%;filter:blur(90px)}
.studio-glow i:nth-child(1){width:620px;height:620px;left:-180px;top:-220px;background:rgba(34,184,216,.22)}
.studio-glow i:nth-child(2){width:680px;height:680px;right:-220px;bottom:-280px;background:rgba(139,92,246,.24)}
.studio-head{display:flex;align-items:center;gap:32px;max-width:980px}
.studio-icon{width:104px;height:104px;flex:none;border-radius:24px;box-shadow:0 18px 50px rgba(53,103,238,.45),0 0 0 1px rgba(160,190,255,.18)}
.studio-eyebrow{color:#5fd3ee}
.studio h2{font-size:clamp(30px,3.6vw,50px);line-height:1.18;font-weight:900;letter-spacing:1px}
.studio-sub{display:block;margin-top:6px;font-size:.62em;font-weight:800;letter-spacing:.5px;background:var(--s-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.studio-head p{margin-top:16px;max-width:640px;font-size:17px;color:var(--s-sub)}
.studio-flow{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin:56px 0 48px;counter-reset:step;border-top:1px solid var(--s-line)}
.studio-flow li{position:relative;padding:22px 18px 0 0;counter-increment:step}
.studio-flow li::before{content:"0" counter(step);display:block;font-size:12px;font-weight:800;letter-spacing:2px;color:#5fd3ee;margin-bottom:8px;font-variant-numeric:tabular-nums}
.studio-flow li::after{content:"";position:absolute;left:0;top:-1px;width:46px;height:2px;background:var(--s-grad)}
.studio-flow b{display:block;font-size:19px;font-weight:800}
.studio-flow span{display:block;margin-top:6px;font-size:13.5px;line-height:1.55;color:var(--s-sub)}
.studio-body{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:44px;align-items:start}
.studio-shot{border-radius:16px;padding:0 8px 8px;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid var(--s-line);box-shadow:0 30px 80px rgba(0,0,0,.45)}
.studio-shot img{width:100%;border-radius:10px;background:#0b1230}
.studio-win{display:flex;align-items:center;gap:7px;height:36px;padding:0 6px}
.studio-win i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.18)}
.studio-win span{margin-left:8px;font-size:12px;color:var(--s-sub);letter-spacing:1px}
.studio-points{list-style:none;display:grid;gap:14px}
.studio-points li{display:flex;gap:16px;padding:18px 20px;border-radius:16px;background:var(--s-panel);border:1px solid var(--s-line);transition:border-color .25s,background .25s}
.studio-points li:hover{border-color:rgba(95,211,238,.4);background:rgba(255,255,255,.06)}
.studio-ic{display:grid;place-items:center;flex:none;width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,rgba(34,184,216,.22),rgba(139,92,246,.22));color:#8fe3f5;border:1px solid rgba(143,227,245,.25)}
.studio-ic svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.studio-points b{font-size:16px;font-weight:800}
.studio-points p{margin-top:4px;font-size:14px;line-height:1.65;color:var(--s-sub)}
.studio-dl{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:44px;padding:26px 30px;border-radius:20px;background:var(--s-panel);border:1px solid var(--s-line)}
.studio-dl > div > b{font-size:18px;font-weight:800}
.studio-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.studio-meta span{font-size:13px;padding:4px 12px;border-radius:999px;border:1px solid var(--s-line);color:var(--s-sub)}
.studio-btn{background:var(--s-grad);color:#fff;box-shadow:0 12px 30px rgba(53,103,238,.4)}
.studio-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 16px 36px rgba(53,103,238,.5)}
.studio-btn:disabled{opacity:.55;cursor:default;box-shadow:none}
.studio-btn:focus-visible,.studio-points li:focus-visible{outline:2px solid #5fd3ee;outline-offset:3px}
@media (max-width:980px){
  .studio{padding:80px 0 72px;margin-top:80px}
  .studio-flow{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:26px}
  .studio-body{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
  .studio-head{flex-direction:column;align-items:flex-start;gap:20px}
  .studio-icon{width:80px;height:80px;border-radius:19px}
  .studio-flow{grid-template-columns:minmax(0,1fr)}
  .studio-dl{flex-direction:column;align-items:stretch;padding:22px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ===== 潮汐内容 2026-10-29：首屏声音卡、配音、模型、示意界面 ===== */
.platforms .sep{width:1px;height:16px;background:var(--line2);margin:0 4px}
.voice-card{position:relative;z-index:2;justify-self:end;width:min(430px,100%);padding:20px;animation:up 1s .7s both,float 7s 2s ease-in-out infinite;box-shadow:var(--shadow-lg)}
.vc-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.vc-head b{display:block;font-size:16px}
.vc-head small{display:block;font-size:12px;color:var(--dim)}
.vc-logo{width:40px;height:40px;border-radius:12px;flex:none;display:grid;place-items:center;background:var(--btn);color:#fff;box-shadow:0 8px 18px rgba(47,124,246,.3)}
.vc-logo svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
.vc-prompt{padding:12px 14px;border-radius:14px;background:var(--bg2);border:1px solid var(--line);font-size:13.5px;line-height:1.65;color:#2f3d58}
.vc-label{display:block;font-size:11px;font-weight:800;letter-spacing:1px;color:var(--blue);margin-bottom:2px}
.vc-chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 4px}
.vc-chips span{padding:3px 10px;border-radius:999px;border:1px solid var(--line2);background:#fff;font-size:12px;color:var(--sub)}
.vc-chips span.on{border-color:var(--blue);background:var(--soft);color:var(--blue)}
.vc-list{list-style:none;display:grid;gap:7px;margin-top:10px}
.vc-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:14px;border:1px solid var(--line);background:#fff;opacity:0;transform:translateY(8px);transition:opacity .5s,transform .5s,border-color .3s,box-shadow .3s}
.vc-row.in{opacity:1;transform:none}
.vc-row.pick{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,124,246,.12)}
.vc-play{position:relative;width:32px;height:32px;flex:none;border-radius:50%;border:1px solid var(--line2);background:#fff;transition:background .2s,border-color .2s}
.vc-play::after{content:"";position:absolute;left:12px;top:9px;border-left:10px solid var(--blue);border-top:7px solid transparent;border-bottom:7px solid transparent}
.vc-row.playing .vc-play{background:var(--blue);border-color:var(--blue)}
.vc-row.playing .vc-play::after{left:10px;top:10px;width:11px;height:11px;border:0;background:#fff;border-radius:2px}
.vc-body{flex:1;min-width:0}
.vc-body b{display:block;font-size:13px}
.vc-wave{display:block;height:14px;margin-top:3px;background:repeating-linear-gradient(90deg,#b9d4fb 0 3px,transparent 3px 6px);clip-path:polygon(0 40%,8% 15%,16% 55%,24% 0,32% 45%,40% 20%,48% 60%,56% 10%,64% 50%,72% 25%,80% 55%,88% 35%,100% 45%,100% 100%,0 100%)}
.vc-row.playing .vc-wave{background:repeating-linear-gradient(90deg,var(--blue) 0 3px,transparent 3px 6px);animation:vcwave .6s ease-in-out infinite alternate}
@keyframes vcwave{to{transform:scaleY(.6)}}
.vc-row small{font-size:12px;color:var(--dim);font-variant-numeric:tabular-nums}
.vc-use{flex:none;padding:4px 10px;border-radius:9px;border:1px solid var(--line2);font-size:12px;font-weight:700;color:var(--text)}
.vc-row.pick .vc-use{border-color:var(--blue);background:var(--blue);color:#fff}
.vc-foot{display:flex;justify-content:space-between;gap:10px;margin-top:12px;font-size:12px;color:var(--dim)}
.vc-foot b{color:var(--text);font-variant-numeric:tabular-nums}

/* 配音 */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.vg-card{position:relative;display:flex;flex-direction:column;padding:28px 26px;border-radius:var(--r);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s}
.vg-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.vg-no{font-size:13px;font-weight:900;letter-spacing:2px;color:var(--blue)}
.vg-card h3{margin:8px 0 10px;font-size:21px;line-height:1.35;font-weight:900}
.vg-card p{font-size:15px;color:var(--sub)}
.vg-demo{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:22px}
.vg-quote{flex:1;min-width:0;padding:10px 12px;border-radius:12px;background:var(--bg2);border:1px solid var(--line);font-size:12.5px;line-height:1.55;color:#2f3d58}
.vg-arrow{color:var(--blue);font-weight:900}
.vg-out{display:flex;align-items:center;gap:4px;flex:none;padding:8px 12px;border-radius:12px;background:var(--btn);color:#fff;font-size:13px;font-weight:800}
.vg-out i{width:3px;border-radius:2px;background:#fff;animation:vcwave .7s ease-in-out infinite alternate}
.vg-out i:nth-child(1){height:10px}.vg-out i:nth-child(2){height:16px;animation-delay:.15s}.vg-out i:nth-child(3){height:8px;margin-right:4px;animation-delay:.3s}
.vg-rec{flex:1;display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;background:#fff1f5;border:1px solid #ffc9d9;color:var(--pink);font-size:13px;font-weight:800}
.vg-rec i{width:9px;height:9px;border-radius:50%;background:var(--pink);animation:blink 1s infinite}
.vg-subs{display:grid;gap:6px;margin-top:auto;padding-top:22px}
.vg-subs span{display:flex;gap:10px;padding:7px 12px;border-radius:10px;background:var(--bg2);border:1px solid var(--line);font-size:13px;color:#2f3d58}
.vg-subs span:first-child{border-color:var(--blue);background:var(--soft)}
.vg-subs em{font-style:normal;font-size:12px;color:var(--blue);font-variant-numeric:tabular-nums;font-weight:700}
.voice-points{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:22px}
.voice-points li{padding:18px 20px;border-radius:16px;background:var(--bg2);border:1px solid var(--line)}
.voice-points b{display:block;font-size:16px;margin-bottom:4px}
.voice-points span{font-size:14px;color:var(--sub)}

/* 模型 */
.models{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:28px;align-items:start}
.model-compare{padding:24px;box-shadow:var(--shadow-lg)}
.mc-top b{display:block;font-size:18px}
.mc-top small{font-size:13px;color:var(--dim)}
.mc-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
.mc-col{display:flex;flex-direction:column;padding:14px;border-radius:14px;border:1px solid var(--line);background:var(--bg2);transition:transform .3s}
.mc-col:hover{transform:translateY(-4px)}
.mc-col.pick{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(47,124,246,.12),var(--shadow)}
.mc-name{font-size:13px;font-weight:900;color:var(--blue)}
.mc-col p{flex:1;margin:8px 0 12px;font-size:14px;line-height:1.7;color:#2f3d58}
.mc-tag{align-self:flex-start;padding:2px 9px;border-radius:7px;background:#fff;border:1px solid var(--line2);font-size:12px;color:var(--sub)}
.mc-tag.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:700}
.model-groups{display:grid;gap:12px}
.mg{display:flex;gap:14px;padding:16px 18px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.mg-ic{width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;background:var(--soft);color:var(--blue)}
.mg-ic svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.mg b{display:block;font-size:16px}
.mg p{margin-top:2px;font-size:14px;color:var(--sub)}
.mg-note{font-size:13px;color:var(--dim);padding:0 4px}

/* 示意界面：采集封面、拆解、混剪 */
.mc-cover{display:grid;place-items:center;aspect-ratio:3/4;background:linear-gradient(160deg,#1d2a44,#2f7cf6);color:#fff;text-align:center}
.mc-cover-text{font-size:clamp(14px,1.6vw,20px);font-weight:900;line-height:1.45;text-shadow:0 2px 8px rgba(0,0,0,.25)}
.mock-break{border-radius:12px;background:#f6f9ff;padding:22px;color:#13213f}
.mb-head{display:flex;justify-content:space-between;align-items:baseline}
.mb-head b{font-size:18px}
.mb-head span{font-size:13px;color:var(--dim)}
.mb-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}
.mb-item{padding:12px;border-radius:12px;background:#fff;border:1px solid var(--line)}
.mb-item em{display:block;font-style:normal;font-size:12px;font-weight:800;color:var(--blue)}
.mb-item b{display:block;margin:4px 0;font-size:15px}
.mb-item span{font-size:12.5px;color:var(--sub)}
.mb-insight{margin-top:14px;padding:14px;border-radius:12px;background:#fff;border:1px solid var(--line)}
.mb-bar{display:flex;height:10px;border-radius:10px;overflow:hidden}
.mb-bar i:nth-child(1){background:var(--green)}.mb-bar i:nth-child(2){background:#c4cfe0}.mb-bar i:nth-child(3){background:var(--pink)}
.mb-asks{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.mb-asks span{padding:5px 10px;border-radius:10px;background:var(--bg2);font-size:13px;color:#2f3d58}
.mb-next{margin-top:12px;padding:10px 12px;border-radius:10px;background:var(--soft);border:1px dashed #9cc2f7}
.mb-next em{display:block;font-style:normal;font-size:12px;color:var(--blue);font-weight:800}
.mb-next b{font-size:15px}
.mock-montage{border-radius:12px;background:#f6f9ff;padding:22px;color:#13213f}
.mm-steps{list-style:none;display:flex;gap:6px;margin-bottom:18px}
.mm-steps li{flex:1;text-align:center;padding:7px 4px;border-radius:9px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--dim)}
.mm-steps li.done{color:var(--green);border-color:#bfe8d3;background:#effaf4}
.mm-steps li.now{color:#fff;background:var(--btn);border-color:transparent}
.mm-track{display:flex;align-items:center;gap:12px;margin-top:10px}
.mm-label{width:34px;flex:none;font-size:12px;color:var(--dim)}
.mm-clips{flex:1;display:flex;gap:4px;height:46px}
.mm-clips i{flex:1;border-radius:8px;background:linear-gradient(160deg,#cfe0fb,#8fb6f3)}
.mm-clips i:nth-child(2){flex:1.4;background:linear-gradient(160deg,#d7ecf7,#6fc3de)}
.mm-clips i:nth-child(4){flex:.8;background:linear-gradient(160deg,#e3defd,#a99cf2)}
.mm-wave{flex:1;height:28px;border-radius:8px;background:repeating-linear-gradient(90deg,#5fb4ff 0 2px,transparent 2px 5px);clip-path:polygon(0 50%,5% 20%,10% 70%,15% 10%,20% 60%,25% 30%,30% 80%,35% 15%,40% 55%,45% 25%,50% 70%,55% 20%,60% 60%,65% 35%,70% 75%,75% 10%,80% 50%,85% 30%,90% 65%,95% 25%,100% 50%,100% 100%,0 100%)}
.mm-subs{flex:1;display:flex;gap:4px;min-width:0}
.mm-subs span{padding:4px 8px;border-radius:7px;background:#fff;border:1px solid var(--line);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mm-foot{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:13px;color:var(--sub)}
.mm-foot b{padding:8px 16px;border-radius:10px;background:var(--btn);color:#fff;font-size:14px}

@media (max-width:1080px){
  .voice-card{justify-self:start;margin-top:10px}
  .voice-points{grid-template-columns:repeat(2,minmax(0,1fr))}
  .models{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:820px){
  .voice-grid{grid-template-columns:minmax(0,1fr)}
  .mb-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:560px){
  .voice-points{grid-template-columns:minmax(0,1fr)}
  .mc-cols{grid-template-columns:minmax(0,1fr)}
  .platforms .sep{display:none}
  .mm-subs span:nth-child(3){display:none}
}
@media (prefers-reduced-motion:reduce){.vc-row{opacity:1;transform:none}}
.hero h1 .h1-lead{display:block;font-size:.74em;letter-spacing:1px;white-space:nowrap}
.hero h1 .grad{display:block}
.live.done{color:var(--blue)}
.live.done i{background:var(--blue);animation:none}
@media (max-width:560px){.hero h1 .h1-lead{white-space:normal}}
.mc-cover .mc-play{left:auto;top:auto;right:12px;bottom:12px;margin:0;width:40px;height:40px}
.mc-cover .mc-play::after{left:15px;top:11px;border-left-width:14px;border-top-width:9px;border-bottom-width:9px}