/* AI短剧 aiduanjuu.cn · AI星海剧场 · 深空靛夜×星尘白×脉冲青×西柚红 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --space:#0d1130;
  --space2:#121737;
  --space3:#181e42;
  --star:#eef2fb;
  --tint:#dfe6f7;
  --cy:#00d4e6;
  --cy-l:#6ff0fa;
  --cr:#ff5c5c;
  --cr-l:#ff9d9d;
  --txt:#232a3d;
  --mut:#6b7590;
  --mut-d:#a9b3cc;
  --line-l:#ccd6ec;
  --line-d:rgba(238,242,251,.12);
}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",sans-serif;color:var(--txt);background:var(--space);line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h2{font-size:32px;line-height:1.3;letter-spacing:.5px}
.sec-kick{font-size:13px;font-weight:700;letter-spacing:2.5px;color:var(--cr);margin-bottom:10px;text-transform:uppercase}
.sec-p{color:var(--mut);margin:8px 0 30px}
section{padding:78px 0}
.io{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.io.in{opacity:1;transform:none}

/* ===== 头部 ===== */
.site-head{position:sticky;top:0;z-index:60;background:rgba(13,17,48,.95);backdrop-filter:blur(10px);border-bottom:2px solid var(--cy)}
.head-in{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff}
.brand img{border-radius:8px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--mut-d);font-size:14.5px;padding:6px 12px;border-radius:999px;transition:.25s}
.nav a:hover{color:#fff}
.nav a.on{color:var(--space);background:var(--cy)}
.head-get{background:var(--cy);color:var(--space);font-weight:700;font-size:14px;padding:9px 20px;border-radius:999px;transition:.25s;white-space:nowrap}
.head-get:hover{background:var(--cr);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:#fff;border-radius:2px}

/* ===== 01 hero 星海剧场(暗) ===== */
.hero{background:radial-gradient(640px 300px at 12% -6%,rgba(0,212,230,.16),transparent 62%),radial-gradient(560px 280px at 92% 8%,rgba(255,92,92,.13),transparent 60%),radial-gradient(720px 320px at 50% 116%,rgba(0,212,230,.10),transparent 64%),var(--space);color:var(--star);padding:96px 0 110px;border-bottom:4px solid var(--cy)}
.hero-in{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-kick{font-size:13px;font-weight:700;letter-spacing:3px;color:var(--cy-l);margin-bottom:14px}
.hero h1{font-size:56px;line-height:1.1;letter-spacing:1px;color:#fff}
.hero-sub{font-size:21px;font-weight:700;margin:14px 0 12px;color:var(--star)}
.hero-sub::after{content:"";display:block;width:56px;height:4px;background:linear-gradient(90deg,var(--cy),var(--cr));border-radius:2px;margin-top:12px}
.hero-desc{color:var(--mut-d);font-size:15px;max-width:480px}
.hero-chips{display:flex;gap:12px;margin:24px 0 28px;flex-wrap:wrap}
.chip{font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px}
.chip-a{background:var(--cy);color:var(--space)}
.chip-b{background:transparent;color:var(--cr-l);border:1.5px solid var(--cr)}
.hero-acts{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;font-weight:700;font-size:15.5px;padding:13px 30px;border-radius:999px;transition:.25s}
.btn-main{background:var(--cy);color:var(--space)}
.btn-main:hover{background:var(--cr);color:#fff;transform:translateY(-2px)}
.btn-ghost{border:1.5px solid rgba(238,242,251,.4);color:var(--star)}
.btn-ghost:hover{border-color:var(--cy);color:var(--cy-l)}

/* 星舰卡(全页唯一错落阴影) */
.starship{position:relative;background:var(--star);border:3px solid var(--space);border-radius:24px;padding:22px;box-shadow:14px 14px 0 rgba(0,212,230,.17)}
.starship::before{content:"";position:absolute;left:8%;right:8%;bottom:-30px;height:60px;background:radial-gradient(closest-side,rgba(0,212,230,.32),transparent);border-radius:50%}
.ss-main{width:60%;margin:0 auto;border-radius:16px;overflow:hidden;border:2px solid var(--cy)}
.ss-mini{position:absolute;left:-12px;bottom:-24px;width:36%;border:2px solid var(--cr);border-radius:14px;overflow:hidden;transform:rotate(-5deg);background:var(--star)}
.ss-tag{position:absolute;right:20px;bottom:24px;background:linear-gradient(120deg,var(--cy),var(--cr));color:#fff;font-size:12.5px;font-weight:700;padding:7px 14px;border-radius:999px;letter-spacing:1px}
.ss-star{position:absolute;z-index:2;width:10px;height:10px;border-radius:50%;background:radial-gradient(circle at 40% 30%,#fff,var(--cy) 70%);box-shadow:0 0 14px rgba(0,212,230,.7);animation:starTwinkle 3.2s ease-in-out infinite}
.ss-s1{top:-6px;right:14%}
.ss-s2{left:-7px;top:30%;background:radial-gradient(circle at 40% 30%,#fff,var(--cr) 70%);box-shadow:0 0 14px rgba(255,92,92,.65);animation-duration:4.1s}
.ss-s3{right:-6px;bottom:34%;width:7px;height:7px;animation-duration:2.6s}
@keyframes starTwinkle{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:1;transform:scale(1.35)}}
.ss-orbit{position:absolute;z-index:1;top:-34px;right:-26px;width:110px;height:110px;border:2px dashed rgba(0,212,230,.55);border-radius:50%;animation:orbitSpin 14s linear infinite}
.ss-orbit::after{content:"";position:absolute;top:-5px;left:50%;width:9px;height:9px;border-radius:50%;background:var(--cr);box-shadow:0 0 10px rgba(255,92,92,.8)}
@keyframes orbitSpin{to{transform:rotate(360deg)}}

/* ===== 02 星轨 细线格栅(明) ===== */
.sec-chans{background:var(--star);border-bottom:4px solid var(--cr)}
.orbgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-l);border:1px solid var(--line-l);border-radius:14px;overflow:hidden}
.og-cell{position:relative;display:flex;flex-direction:column;gap:6px;background:var(--star);padding:26px 24px 24px;min-height:150px;transition:.25s}
.og-cell em{font-style:normal;font-size:11px;font-weight:700;letter-spacing:2.5px;color:var(--mut)}
.og-cell b{font-size:19px}
.og-cell span{font-size:13.5px;color:var(--mut)}
.og-cell::after{content:"";position:absolute;left:24px;right:24px;bottom:14px;height:2px;background:linear-gradient(90deg,var(--cy),transparent);opacity:0;transition:.25s}
.og-cell:hover{background:#fff}
.og-cell:hover::after{opacity:1}
.og-cell:nth-child(1) b{color:var(--cr)}
.og-cell:nth-child(4) b{color:var(--cr)}

/* ===== 03 星海热榜(暗) ===== */
.sec-rank{background:var(--space2);color:#fff}
.sec-rank .sec-kick{color:var(--cy-l)}
.sec-rank .sec-p{color:var(--mut-d)}
.rk{display:grid;grid-template-columns:1fr 1.05fr .95fr;gap:26px;align-items:stretch}
.rk-top{position:relative;background:var(--space3);border:2px solid var(--cy);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:10px}
.rk-pic{border-radius:10px;overflow:hidden;border:1px solid var(--line-d)}
.rk-no1{position:absolute;top:14px;right:16px;font-size:30px;font-weight:900;letter-spacing:1px;color:transparent;-webkit-text-stroke:1.5px var(--cy)}
.rk-seal{align-self:flex-start;background:var(--cr);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:4px;letter-spacing:2px}
.rk-info b{font-size:19px}
.rk-info p{font-size:13px;color:var(--mut-d)}
.rk-info em{font-style:normal;color:var(--cy-l);font-weight:800;font-size:17px}
.rk-why{font-size:13px;color:var(--mut-d);border-top:1px dashed var(--line-d);padding-top:10px}
.rk-shot{align-self:center;max-width:290px;margin:0 auto;border:2px solid var(--cy);border-radius:12px;overflow:hidden}
.rk-list{display:flex;flex-direction:column;gap:10px}
.rk-list li{display:grid;grid-template-columns:34px 1fr auto auto;gap:10px;align-items:center;background:var(--space3);border:1px solid var(--line-d);border-radius:10px;padding:12px 14px;font-size:13.5px}
.rk-list i{font-style:normal;font-weight:900;font-size:16px;color:var(--cy-l)}
.rk-list li:nth-child(even) i{color:var(--cr-l)}
.rk-list span{color:var(--mut-d);font-size:12.5px}
.rk-list em{font-style:normal;font-weight:800;color:#fff}

/* ===== 04 数字绸带 ===== */
.ribbon{background:linear-gradient(100deg,var(--cy) 0%,#4f8ef7 48%,var(--cr) 100%);color:#fff;padding:38px 0}
.rib-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rib-i{text-align:center;border-right:1px dashed rgba(255,255,255,.45);padding:6px 10px}
.rib-i:last-child{border-right:0}
.rib-i b{display:block;font-size:34px;font-weight:900;letter-spacing:1px;text-shadow:0 2px 6px rgba(13,17,48,.25)}
.rib-i span{font-size:13px;opacity:.95}

/* ===== 05 剧场分区(暗) ===== */
.sec-zones{background:var(--space);color:var(--star)}
.sec-zones .sec-kick{color:var(--cy-l)}
.sec-zones .sec-p{color:var(--mut-d)}
.zones{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:22px}
.zone{background:var(--space3);border:1px solid var(--line-d);border-left:5px solid var(--cy);border-radius:0 12px 12px 0;padding:20px 22px}
.zone:nth-child(3),.zone:nth-child(4){border-left-color:var(--cr)}
.zone b{font-size:17px;color:#fff}
.zone p{font-size:13.5px;color:var(--mut-d);margin-top:6px}
.z-big{grid-row:span 2;background:linear-gradient(160deg,var(--cy),#00a8c4);display:flex;flex-direction:column;justify-content:flex-end;border-left-color:var(--space)}
.z-big b{font-size:22px;color:var(--space)}
.z-big p{color:rgba(13,17,48,.75)}
.z-new{display:grid;grid-template-columns:1fr .8fr;gap:26px;align-items:center;background:var(--star);color:var(--txt);border-radius:16px;border-left:6px solid var(--cr);padding:26px 28px}
.z-new-txt b{font-size:19px}
.z-new-txt p{color:var(--mut);font-size:13.5px;margin-top:8px}
.z-new-pic{max-width:200px;margin:0 auto;border-radius:12px;overflow:hidden;border:2px solid var(--cy)}

/* ===== 06 新片速递(明) ===== */
.sec-topics{background:var(--tint)}
.tps-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start}
.tps{display:flex;flex-direction:column;gap:16px}
.tp{display:grid;grid-template-columns:118px 1fr;gap:18px;background:#fff;border:1px solid var(--line-l);border-radius:14px;padding:16px;align-items:center;transition:.25s}
.tp:hover{transform:translateY(-3px);border-color:var(--cy)}
.tp figure{border-radius:10px;overflow:hidden}
.tp-txt b{display:block;font-size:17.5px;margin:6px 0 4px}
.tp-txt p{font-size:13px;color:var(--mut)}
.tp-tag{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:999px;letter-spacing:1px}
.tag-c{background:rgba(0,212,230,.16);color:#007a86}
.tag-r{background:rgba(255,92,92,.12);color:var(--cr)}
.tps-sticky{position:sticky;top:96px;max-width:290px;margin:0 auto;border:3px solid var(--space);border-radius:16px;overflow:hidden;background:#fff}
.tps-sticky figcaption{background:var(--space);color:var(--cy-l);font-size:13px;font-weight:700;text-align:center;padding:10px;letter-spacing:1px}

/* ===== 07 舱内实景(暗) ===== */
.sec-shots{background:var(--space2);color:#fff}
.sec-shots .sec-kick{color:var(--cy-l)}
.sec-shots .sec-p{color:var(--mut-d)}
.reel{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rl-f{position:relative;border:1px solid var(--line-d);border-radius:12px;overflow:hidden;background:var(--space3)}
.rl-f img{transition:transform .4s ease}
.rl-f:hover img{transform:scale(1.04)}
.rl-f em{position:absolute;top:10px;left:10px;z-index:2;font-style:normal;font-size:11px;font-weight:800;letter-spacing:2px;color:var(--space);background:var(--cy);padding:3px 9px;border-radius:4px}
.rl-f:nth-child(even) em{background:var(--cr);color:#fff}
.rl-f figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(13,17,48,.92));color:#fff;font-size:13.5px;font-weight:700;padding:26px 12px 10px;letter-spacing:1px}

/* ===== 08 星舰本事(明) ===== */
.sec-funcs{background:var(--star)}
.funcs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.func{background:#fff;border:1px solid var(--line-l);border-top:4px solid var(--cy);border-radius:12px;padding:22px 20px;transition:.25s}
.func:nth-child(even){border-top-color:var(--cr)}
.func:hover{transform:translateY(-3px)}
.func b{font-size:16.5px}
.func p{font-size:13px;color:var(--mut);margin-top:8px}

/* ===== 09 启程指南 神经链路(暗) ===== */
.sec-guide{background:var(--space);color:var(--star)}
.sec-guide .sec-kick{color:var(--cy-l)}
.sec-guide .sec-p{color:var(--mut-d)}
.neuralpath{display:grid;grid-template-columns:repeat(4,1fr);gap:34px 30px;padding-top:14px}
.np-item{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}
.np-item:not(:last-child)::after{content:"";position:absolute;top:36px;left:calc(50% + 48px);width:calc(100% - 66px);border-top:2px dashed rgba(0,212,230,.45)}
.np-node{position:relative;z-index:2;width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--space3)}
.np-node i{font-style:normal;font-size:11px;font-weight:800;letter-spacing:1.5px;color:#fff}
.np-node.np-c{border:2px solid var(--cy);box-shadow:0 0 18px rgba(0,212,230,.4);animation:npPulseC 3s ease-in-out infinite}
.np-node.np-r{border:2px solid var(--cr);box-shadow:0 0 18px rgba(255,92,92,.35);animation:npPulseR 3s ease-in-out infinite}
.np-node.np-c i{color:var(--cy-l)}
.np-node.np-r i{color:var(--cr-l)}
@keyframes npPulseC{0%,100%{box-shadow:0 0 10px rgba(0,212,230,.3)}50%{box-shadow:0 0 26px rgba(0,212,230,.65)}}
@keyframes npPulseR{0%,100%{box-shadow:0 0 10px rgba(255,92,92,.28)}50%{box-shadow:0 0 26px rgba(255,92,92,.6)}}
.np-item b{font-size:17px;color:#fff}
.np-item p{font-size:13px;color:var(--mut-d)}

/* ===== 10 常见疑问 数据包问答(明) ===== */
.sec-faq{background:var(--tint)}
.pktqa{display:grid;grid-template-columns:1fr 1fr;gap:26px 22px}
.pkt-card{position:relative;transition:.25s}
.pkt-card:hover{transform:translateY(-3px)}
.pkt-head{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;width:150px;margin:0 0 -10px 18px;padding:7px 14px;border-radius:8px 8px 0 0}
.pkt-head.pkt-c{background:linear-gradient(120deg,var(--cy),#00a8c4)}
.pkt-head.pkt-r{background:linear-gradient(120deg,var(--cr),#e84040)}
.pkt-head em{font-style:normal;font-size:11.5px;font-weight:800;letter-spacing:2px;color:#fff}
.pkt-dots{display:flex;gap:4px;align-items:flex-end}
.pkt-dots s{display:block;width:5px;border-radius:2px;background:rgba(255,255,255,.9);text-decoration:none}
.pkt-dots s:nth-child(1){height:5px}
.pkt-dots s:nth-child(2){height:8px}
.pkt-dots s:nth-child(3){height:11px}
.pkt-body{background:#fff;border:1px solid var(--line-l);border-radius:12px;padding:24px 22px 18px}
.pkt-body b{font-size:16px}
.pkt-body p{font-size:13.5px;color:var(--mut);margin-top:8px}

/* ===== 11 星友留言 芯片墙(暗) ===== */
.sec-notes{background:var(--space2);color:var(--star)}
.sec-notes .sec-kick{color:var(--cy-l)}
.sec-notes .sec-p{color:var(--mut-d)}
.chipnote{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.chp-card{position:relative;background:#141a38;border:1.5px solid var(--cy);border-radius:10px;padding:22px 24px 16px}
.chp-card.chp-r{border-color:var(--cr)}
.chp-card:nth-child(odd){transform:rotate(-.5deg)}
.chp-card:nth-child(even){transform:rotate(.5deg)}
.chp-card::before,.chp-card::after{content:"";position:absolute;top:50%;transform:translateY(-50%);width:6px;height:64%;background:repeating-linear-gradient(180deg,var(--cy) 0 5px,transparent 5px 11px)}
.chp-card::before{left:-7px}
.chp-card::after{right:-7px}
.chp-card.chp-r::before,.chp-card.chp-r::after{background:repeating-linear-gradient(180deg,var(--cr) 0 5px,transparent 5px 11px)}
.chp-no{position:absolute;top:12px;right:16px;font-size:10.5px;font-weight:800;letter-spacing:2px;color:transparent;-webkit-text-stroke:1px rgba(0,212,230,.75)}
.chp-r .chp-no{-webkit-text-stroke-color:rgba(255,92,92,.75)}
.chp-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.chp-head b{font-size:15.5px;color:#fff}
.stars{font-style:normal;font-size:13px;letter-spacing:2px;color:var(--cy)}
.chp-r .stars{color:var(--cr-l)}
.chp-card p{font-size:13.5px;color:var(--mut-d)}
.chp-time{display:block;font-size:12px;color:rgba(169,179,204,.7);margin-top:10px;letter-spacing:1px}

/* ===== 12 登舰口 反应堆核心(明底暗台) ===== */
.sec-get{background:var(--star)}
.coreget{background:radial-gradient(420px 200px at 50% 0%,rgba(0,212,230,.14),transparent 70%),var(--space);color:var(--star);border:2px solid var(--cy);border-radius:24px;padding:44px 30px 38px;text-align:center}
.cg-core{position:relative;width:190px;height:190px;margin:0 auto 6px;display:flex;align-items:center;justify-content:center}
.cg-r1,.cg-r2{position:absolute;border-radius:50%}
.cg-r1{inset:0;border:2px dashed rgba(0,212,230,.6);animation:cgSpin 14s linear infinite}
.cg-r2{inset:22px;border:2px dotted rgba(255,92,92,.55);animation:cgSpinR 10s linear infinite}
.cg-r1::after{content:"";position:absolute;top:-5px;left:50%;width:10px;height:10px;border-radius:50%;background:var(--cy);box-shadow:0 0 12px rgba(0,212,230,.9)}
.cg-r2::after{content:"";position:absolute;bottom:-4px;left:50%;width:8px;height:8px;border-radius:50%;background:var(--cr);box-shadow:0 0 10px rgba(255,92,92,.9)}
@keyframes cgSpin{to{transform:rotate(360deg)}}
@keyframes cgSpinR{to{transform:rotate(-360deg)}}
.cg-logo{position:relative;z-index:2;width:82px;height:82px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 0 26px rgba(0,212,230,.5);animation:cgBreath 4s ease-in-out infinite}
.cg-logo img{border-radius:12px}
@keyframes cgBreath{0%,100%{box-shadow:0 0 14px rgba(0,212,230,.35)}50%{box-shadow:0 0 32px rgba(0,212,230,.65)}}
.cg-name{display:block;font-size:24px;font-weight:900;color:#fff;margin:20px 0 14px;letter-spacing:1px}
.cg-rows{display:flex;justify-content:center;gap:10px 26px;flex-wrap:wrap;margin-bottom:26px}
.cg-rows li{position:relative;font-size:14px;color:var(--mut-d);padding-left:16px}
.cg-rows li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--cy);box-shadow:0 0 8px rgba(0,212,230,.7)}
.cg-note{display:block;font-size:12.5px;color:var(--mut-d);margin-top:16px;letter-spacing:1px}

/* ===== 页脚 ===== */
.site-foot{background:#0a0d24;color:var(--mut-d);border-top:2px solid var(--cy)}
.foot-in{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px;padding:52px 20px 34px}
.ft-brand .brand{font-size:17px}
.ft-brand p{font-size:13px;margin-top:12px}
.ft-col{display:flex;flex-direction:column;gap:9px;font-size:13.5px}
.ft-col b{color:#fff;font-size:14.5px;margin-bottom:4px;letter-spacing:1px}
.ft-col a{transition:.2s}
.ft-col a:hover{color:var(--cy-l)}
.foot-icp{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;padding:16px 20px 22px;border-top:1px solid rgba(238,242,251,.08)}
.foot-icp a{color:inherit}
.foot-icp a:hover{color:var(--cy-l)}

/* ===== 固定按钮 ===== */
.backtop{position:fixed;right:22px;bottom:24px;z-index:70;width:44px;height:44px;border-radius:50%;border:2px solid var(--space);background:var(--cy);color:var(--space);font-size:20px;font-weight:800;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s}
.backtop.show{opacity:1;visibility:visible;transform:none}
.backtop:hover{background:var(--cr);color:#fff}

/* ===== 响应式 ===== */
@media(max-width:960px){
  h2{font-size:27px}
  .hero h1{font-size:44px}
  .hero-in{grid-template-columns:1fr;gap:44px}
  .orbgrid{grid-template-columns:1fr 1fr}
  .rk{grid-template-columns:1fr;gap:20px}
  .rk-shot{max-width:230px}
  .rib-in{grid-template-columns:repeat(2,1fr)}
  .rib-i:nth-child(2){border-right:0}
  .zones{grid-template-columns:1fr}
  .z-big{grid-row:auto}
  .z-new{grid-template-columns:1fr}
  .z-new-pic{max-width:230px}
  .tps-wrap{grid-template-columns:1fr}
  .tps-sticky{position:static;max-width:340px;margin:0 auto}
  .reel{grid-template-columns:1fr 1fr}
  .funcs{grid-template-columns:1fr 1fr}
  .neuralpath{grid-template-columns:1fr 1fr}
  .np-item:not(:last-child)::after{display:none}
  .foot-in{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:640px){
  section{padding:56px 0}
  h2{font-size:24px}
  .hero{padding:64px 0 76px}
  .hero h1{font-size:38px}
  .nav{position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;background:var(--space);border-bottom:2px solid var(--cy);padding:12px 20px 18px;gap:2px}
  .nav.open{display:flex}
  .nav a{padding:10px 6px}
  .nav-toggle{display:flex}
  .head-get{margin-left:auto;padding:8px 16px;font-size:13px}
  .head-in{gap:14px}
  .ss-mini{left:-4px}
  .ss-orbit{width:84px;height:84px;top:-24px;right:-14px}
  .orbgrid{grid-template-columns:1fr}
  .og-cell{min-height:0}
  .rib-in{gap:8px}
  .rib-i b{font-size:27px}
  .tp{grid-template-columns:96px 1fr;gap:14px}
  .reel{grid-template-columns:1fr 1fr;gap:10px}
  .neuralpath{grid-template-columns:1fr;gap:26px}
  .pktqa{grid-template-columns:1fr}
  .chipnote{grid-template-columns:1fr}
  .cg-rows{flex-direction:column;gap:8px;align-items:center}
  .foot-in{grid-template-columns:1fr;gap:22px;padding:42px 20px 28px}
  .foot-icp{flex-direction:column;gap:6px}
  .backtop{width:40px;height:40px;font-size:18px;bottom:24px;right:16px}
}