/* ============================================================
   cupfox cupfoxy.cn —— 「影狐研究所 · 狐影片场」主题
   珍珠白 #faf8f4 · 墨曜黑 #17151b · 品牌狐橙 #dc532f · 对比靛蓝 #3b4bf0
   斜切平行四边形双屏错位 + 细线格栅 + 圆环扇形 + 票据开合 + 评语榜 + 撕边票根
   直角小圆角 4-8px
   ============================================================ */
:root{
  --ink:#17151b;
  --ink2:#211d26;
  --ink3:#2c2733;
  --paper:#faf8f4;
  --paper2:#f0ece6;
  --org:#dc532f;
  --org-d:#b53f1e;
  --org-l:#f07a52;
  --ind:#3b4bf0;
  --ind-d:#2a37c4;
  --ind-l:#6b78ff;
  --txt:#2a252d;
  --line:rgba(23,21,27,.14);
  --line-d:rgba(250,248,244,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--txt);background:var(--paper);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:700;border-radius:6px;transition:transform .18s,box-shadow .18s,background .18s;white-space:nowrap;border:2px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn-pri{background:var(--org);color:#fff;box-shadow:0 12px 26px rgba(220,83,47,.3)}
.btn-pri:hover{background:var(--org-l)}
.btn-line{background:transparent;color:var(--ink);border-color:rgba(23,21,27,.45)}
.btn-line:hover{border-color:var(--ind);color:var(--ind)}
.btn-lg{padding:13px 32px;font-size:16px}
.btn-xl{padding:17px 46px;font-size:19px}

/* ---------- 头部 ---------- */
.hd{position:sticky;top:0;z-index:60;background:rgba(23,21,27,.97);backdrop-filter:blur(8px);border-bottom:3px solid var(--org)}
.hd-in{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:11px;color:#fff}
.brand img{border-radius:12px}
.brand-t{display:flex;flex-direction:column;line-height:1.2}
.brand-t strong{font-size:20px;letter-spacing:1px}
.brand-t small{font-size:10px;letter-spacing:2px;color:rgba(250,248,244,.58)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:8px 11px;font-size:14px;color:rgba(250,248,244,.78);border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a.on{color:var(--org);border-bottom-color:var(--org)}
.hd-cta{padding:9px 22px;font-size:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;margin-left:14px;padding:6px}
.burger span{width:24px;height:2px;background:#fff;transition:.25s}

/* ---------- 区块通用 ---------- */
.sec{padding:82px 0}
.sec-paper{background:var(--paper)}
.sec-paper2{background:var(--paper2)}
.sec-ink{background:var(--ink);color:var(--paper);border-top:4px solid var(--org)}
.sec-ink#shots{border-top-color:var(--ind)}
.sec-h{max-width:760px;margin-bottom:42px}
.sec-ink .sec-h{margin-left:auto;margin-right:auto;text-align:center}
.kick{font-size:12px;letter-spacing:3px;font-weight:700;color:var(--org-d);margin-bottom:14px;display:flex;align-items:center;gap:10px;text-transform:uppercase}
.sec-ink .kick{justify-content:center;color:var(--org)}
.sec-h h2{font-size:32px;line-height:1.35;letter-spacing:.5px;color:var(--ink)}
.sec-ink .sec-h h2{color:#fff}
.sec-p{margin-top:12px;color:#6a6460;font-size:15.5px}
.sec-ink .sec-p{color:rgba(250,248,244,.66)}

/* ---------- 英雄区 · 斜切双屏 ---------- */
.hero{background:radial-gradient(720px 460px at 88% 6%,rgba(220,83,47,.12),transparent 60%),radial-gradient(560px 420px at 2% 96%,rgba(59,75,240,.11),transparent 58%),var(--paper);padding:72px 0;position:relative;overflow:hidden;border-bottom:4px solid var(--ind)}
.hero::after{content:"";position:absolute;right:-120px;top:40px;width:420px;height:420px;border:1px solid rgba(59,75,240,.12);box-shadow:0 0 0 60px rgba(59,75,240,.04),0 0 0 120px rgba(220,83,47,.03);pointer-events:none}
.hero-in{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center;position:relative}
.hero h1{font-size:70px;line-height:1.06;letter-spacing:4px;color:var(--ink);margin:18px 0 16px;position:relative;display:inline-block}
.hero h1::after{content:"";position:absolute;left:0;bottom:-6px;width:68px;height:5px;background:linear-gradient(90deg,var(--org),var(--ind));border-radius:3px}
.hero-slogan{font-size:23px;font-weight:700;color:var(--ink);margin-bottom:20px}
.hero-slogan i{font-style:normal;color:var(--org)}
.kick-lab{background:var(--ind);color:#fff;font-style:normal;font-size:11px;letter-spacing:2px;padding:3px 10px;border-radius:5px}
.lead{color:#5c5551;font-size:15.5px;max-width:560px}
.hero-acts{display:flex;gap:16px;margin:28px 0 20px;flex-wrap:wrap}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.hero-tags li{font-size:13px;padding:4px 13px;border:1px solid rgba(42,55,196,.4);border-radius:20px;color:var(--ind-d)}
.hero-note{font-size:13px;color:#6f6864;display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--org);box-shadow:0 0 0 4px rgba(220,83,47,.18);flex:0 0 auto}

/* 斜切双屏视觉 */
.hero-r{position:relative}
.para-wrap{position:relative;height:470px}
.para{position:absolute;overflow:hidden;border:3px solid var(--ind);transform:skewX(-8deg);box-shadow:0 26px 56px rgba(23,21,27,.22)}
.para img{transform:skewX(8deg) scale(1.16);transform-origin:center}
.p-front{left:2%;top:14px;width:250px;border-color:var(--org);box-shadow:0 30px 60px rgba(220,83,47,.26);z-index:2}
.p-back{right:1%;top:-10px;width:206px;z-index:1}
.para-grid{position:absolute;left:calc(2% - 12px);top:2px;width:250px;height:452px;border:2px dashed rgba(59,75,240,.3);transform:skewX(-8deg);z-index:0}
.chip{position:absolute;font-size:12.5px;font-weight:700;padding:8px 14px;border-radius:6px;background:#fff;color:var(--ink);box-shadow:0 14px 30px rgba(23,21,27,.16);z-index:3}
.chip b{color:var(--org-d)}
.chip-a{left:0;top:-4px}
.chip-b{right:0;bottom:22px;background:var(--ind);color:#fff}

/* ---------- 片库频道 ---------- */
.chans{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;grid-auto-rows:minmax(148px,auto);gap:1px;background:var(--ink);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.ch-tile{background:#fff;padding:22px 20px;position:relative;transition:background .2s}
.ch-tile b{display:block;font-size:15px;margin-bottom:8px;letter-spacing:.5px;color:var(--ink)}
.ch-tile p{font-size:13.6px;color:#5f5955;line-height:1.7}
.ch-no{position:absolute;top:12px;right:16px;font-size:28px;font-weight:800;color:rgba(23,21,27,.09);letter-spacing:-1px}
.ch-big{grid-row:span 2;background:linear-gradient(160deg,#fff 0%,#f5eee6 100%);padding:28px 24px}
.ch-big b{font-size:20px}
.ch-big p{font-size:14.2px;color:#554f4b;max-width:94%}
.ch-big .ch-no{font-size:40px}
.ch-fig{display:inline-block;margin-top:16px;font-size:12px;font-weight:700;letter-spacing:1px;color:#fff;background:var(--org);padding:4px 12px;border-radius:4px}
.ch-ind{background:var(--ind);color:#fff}
.ch-ind b{color:#fff}
.ch-ind p{color:rgba(255,255,255,.86)}
.ch-ind .ch-no{color:rgba(255,255,255,.2)}

/* ---------- 本周热榜 ---------- */
.rk{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}
.rk-top{position:relative;grid-row:span 2;display:grid;grid-template-columns:140px 1fr;gap:20px;padding:24px;border:2px solid var(--org);border-radius:6px;background:var(--ink2);box-shadow:0 22px 50px rgba(0,0,0,.42)}
.no1{position:absolute;top:-13px;left:20px;background:var(--org);color:#fff;font-size:12.5px;font-weight:800;letter-spacing:1px;padding:5px 13px;border-radius:5px}
.rk-poster{position:relative;border-radius:5px;overflow:hidden;align-self:start;border:1px solid var(--line-d)}
.stamp{position:absolute;bottom:8px;right:8px;font-style:normal;font-size:11px;font-weight:700;color:#fff;background:rgba(59,75,240,.95);padding:3px 9px;border-radius:4px}
.rk-info h3{font-size:20px;color:#fff;margin-bottom:6px}
.rk-info h3 small{font-size:12px;font-weight:400;color:var(--ind-l);margin-left:8px}
.rk-meta{font-size:13px;color:rgba(250,248,244,.6);margin-bottom:10px}
.rk-score{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}
.rk-score b{font-size:34px;color:var(--org);line-height:1}
.rk-score span{font-size:12.5px;color:rgba(250,248,244,.6)}
.rk-desc{font-size:14px;color:rgba(250,248,244,.78)}
.rk-tag{display:inline-block;margin-top:14px;font-size:12.5px;color:var(--ind-l);border-left:3px solid var(--ind-l);padding-left:10px}
.rk-shot{display:flex;flex-direction:column;align-items:center;gap:10px;padding:18px;border-radius:6px;background:var(--ink2);border:1px solid var(--line-d)}
.ph-shot{position:relative;width:168px;border-radius:6px;overflow:hidden;border:1px solid rgba(23,21,27,.1)}
.rk-shot .ph-shot{width:168px;border-color:var(--line-d)}
.rk-shot p{font-size:12.5px;color:rgba(250,248,244,.6)}
.rk-list{border-radius:6px;background:var(--ink2);border:1px solid var(--line-d);padding:8px 20px}
.rk-list li{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line-d)}
.rk-list li:last-child{border-bottom:0}
.rl-no{font-size:15px;font-weight:800;color:var(--ind-l);flex:0 0 26px}
.rk-list li div{flex:1;min-width:0}
.rk-list li b{display:block;font-size:14.6px;color:#fff;font-weight:600}
.rk-list li em{font-style:normal;font-size:12.3px;color:rgba(250,248,244,.52)}
.rk-list li strong{font-size:16px;color:var(--org)}

/* ---------- 数字绸带 ---------- */
.ribbon{background:linear-gradient(135deg,var(--ind) 0%,#5a68ff 55%,var(--ind) 100%);color:#fff;padding:34px 0;position:relative;border-top:4px solid var(--org);border-bottom:4px solid var(--org)}
.ribbon::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 10px,transparent 10px 20px);pointer-events:none}
.ribbon-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;text-align:center}
.rb-i b{font-size:38px;font-weight:800;line-height:1;letter-spacing:-1px}
.rb-i i{font-style:normal;font-size:16px;font-weight:700;margin-left:3px}
.rb-i span{display:block;font-size:13.4px;margin-top:8px;color:rgba(255,255,255,.88)}

/* ---------- 内容分区 ---------- */
.zones{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.zone{padding:22px;border-radius:6px;background:#fff;border:1px solid var(--line);position:relative}
.zone h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:9px;color:var(--ink)}
.z-ico{width:30px;height:30px;border-radius:5px;display:grid;place-items:center;font-size:13px;font-weight:700;flex:0 0 auto}
.z1 .z-ico{background:var(--org);color:#fff}
.z2 .z-ico{background:var(--ind);color:#fff}
.z3 .z-ico{background:var(--ink);color:#fff}
.z4 .z-ico{background:var(--org);color:#fff}
.zone p{font-size:14px;color:#5f5955;line-height:1.72}
.z-new{margin-top:14px;display:grid;grid-template-columns:1fr 260px;gap:26px;align-items:center;padding:26px;border-radius:6px;background:linear-gradient(135deg,var(--ink) 0%,var(--ink3) 100%);color:var(--paper);border-left:5px solid var(--ind);box-shadow:0 16px 38px rgba(23,21,27,.26)}
.zn-tag{display:inline-block;font-size:11.5px;letter-spacing:2px;font-weight:700;color:var(--ind-l);border:1px solid rgba(107,120,255,.5);padding:3px 11px;border-radius:4px;margin-bottom:14px}
.z-new h3{font-size:20px;color:#fff;margin-bottom:10px}
.z-new p{font-size:14.2px;color:rgba(250,248,244,.76);margin-bottom:18px}
.zn-r img{border-radius:5px}

/* ---------- 精选专题 ---------- */
.tps{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start}
.tps-l{display:flex;flex-direction:column;gap:14px}
.tp-i{display:grid;grid-template-columns:112px 1fr;gap:18px;padding:16px;border-radius:6px;background:var(--paper2);border-left:4px solid var(--org);align-items:center}
.tp-i:nth-child(2){border-left-color:var(--ind)}
.tp-i:nth-child(3){border-left-color:var(--ink)}
.tp-img{border-radius:5px;overflow:hidden}
.tp-no{font-size:11.5px;font-weight:800;letter-spacing:2px;color:var(--org-d)}
.tp-t h3{font-size:17px;margin:5px 0 6px;color:var(--ink)}
.tp-t p{font-size:13.8px;color:#5f5955;line-height:1.7}
.tps-r{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px;border-radius:6px;background:var(--ink);color:var(--paper)}
.tps-r .ph-shot{width:178px;border-color:var(--line-d)}
.tps-cap{font-size:12.5px;color:rgba(250,248,244,.6)}

/* ---------- 应用画面长卷 ---------- */
.reel{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rl-f{border-radius:6px;overflow:hidden;background:var(--ink2);border:1px solid var(--line-d)}
.rl-f figcaption{display:flex;align-items:center;gap:9px;padding:10px 13px;border-bottom:2px solid var(--org);background:rgba(255,255,255,.03)}
.rl-f:nth-child(2n) figcaption{border-bottom-color:var(--ind)}
.rl-f figcaption b{font-size:11.5px;letter-spacing:1.5px;color:var(--org)}
.rl-f:nth-child(2n) figcaption b{color:var(--ind-l)}
.rl-f figcaption span{font-size:12.5px;color:rgba(250,248,244,.68)}
.rl-f img{width:100%}

/* ---------- 功能四格 ---------- */
.funcs{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.fn-i{padding:22px 20px;border-radius:6px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--ind);position:relative}
.fn-i:nth-child(odd){border-top-color:var(--org)}
.fn-no{font-size:11.5px;font-weight:800;letter-spacing:2px;color:var(--ind-d)}
.fn-i:nth-child(odd) .fn-no{color:var(--org-d)}
.fn-i h3{font-size:16.5px;margin:8px 0 8px;color:var(--ink)}
.fn-i p{font-size:13.8px;color:#5f5955;line-height:1.72}

/* ---------- 上手四步 · 圆环扇形步骤（GUIDE 范式 J） ---------- */
.wheelwrap{display:grid;grid-template-columns:340px 1fr;gap:46px;align-items:center}
.wheel{position:relative;width:320px;height:320px;margin:0 auto}
.wheel-ring{position:absolute;inset:0;border-radius:50%;border:2px dashed rgba(23,21,27,.2)}
.wheel::before{content:"";position:absolute;inset:34px;border-radius:50%;background:conic-gradient(from -90deg,rgba(220,83,47,.14) 0 25%,rgba(59,75,240,.14) 25% 50%,rgba(23,21,27,.1) 50% 75%,rgba(240,122,82,.14) 75% 100%);pointer-events:none}
.wcore{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:152px;height:152px;border-radius:50%;background:linear-gradient(150deg,var(--ink) 0%,var(--ink3) 100%);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:16px;text-align:center;box-shadow:0 18px 40px rgba(23,21,27,.28);z-index:2}
.wcore-no{font-size:34px;font-weight:800;color:var(--org);line-height:1}
.wcore-t{font-size:12.5px;color:rgba(250,248,244,.82);line-height:1.45}
.wq{position:absolute;width:98px;padding:9px 0;border-radius:10px;background:#fff;border:2px solid var(--line);text-align:center;transition:background .2s,border-color .2s,transform .2s;z-index:3}
.wq b{display:block;font-size:18px;font-weight:800;color:var(--ind);line-height:1.1}
.wq span{font-size:11.5px;color:#6b6360;display:block;margin-top:2px}
.wq:hover{transform:translateY(-2px)}
.wq.on{background:var(--org);border-color:var(--org)}
.wq.on b,.wq.on span{color:#fff}
.wq1{top:-16px;left:50%;margin-left:-49px}
.wq2{right:-34px;top:50%;margin-top:-31px}
.wq3{bottom:-16px;left:50%;margin-left:-49px}
.wq4{left:-34px;top:50%;margin-top:-31px}
.wheel-panel{background:var(--paper2);border:1px solid var(--line);border-left:5px solid var(--org);border-radius:8px;padding:30px 32px;min-height:200px;position:relative}
.wp-i{display:none}
.wp-i.on{display:block;animation:wpfade .38s ease}
@keyframes wpfade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.wp-tag{font-size:11.5px;letter-spacing:2px;font-weight:800;color:var(--org-d)}
.wp-i h3{font-size:22px;margin:10px 0 14px;color:var(--ink)}
.wp-i p{font-size:15px;color:#5b5450;line-height:1.8}

/* ---------- 常见疑问 · 票据开合（FAQ 范式 H） ---------- */
.tks{display:flex;flex-direction:column;gap:16px;max-width:920px;margin:0 auto}
.tk{background:var(--ink2);border:1px solid var(--line-d);border-radius:8px;overflow:hidden;transition:border-color .25s}
.tk.open{border-color:rgba(220,83,47,.5)}
.tk-q{display:flex;align-items:center;gap:14px;width:100%;padding:19px 22px;background:transparent;border:0;color:#fff;text-align:left}
.tk-q i{font-style:normal;flex:0 0 auto;width:34px;height:34px;border-radius:6px;background:var(--org);color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center}
.tk:nth-child(2n) .tk-q i{background:var(--ind)}
.tk-q h3{font-size:16.5px;font-weight:600;flex:1;color:#fff;line-height:1.5}
.tk-fold{flex:0 0 auto;font-size:22px;font-weight:800;color:var(--ind-l);transition:transform .35s}
.tk.open .tk-fold{transform:rotate(45deg);color:var(--org-l)}
.tk-a{max-height:0;overflow:hidden;transition:max-height .42s ease}
.tk-a p{font-size:14px;color:rgba(250,248,244,.8);line-height:1.78;padding:16px 22px 20px 70px;border-top:1px dashed rgba(250,248,244,.16)}

/* ---------- 观众留言 · 评语表格榜（NOTES 范式 H） ---------- */
.rev{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.rev-head{display:grid;grid-template-columns:64px 168px 1fr 116px;background:var(--ink)}
.rev-head span{padding:13px 16px;font-size:12.5px;font-weight:700;letter-spacing:1px;color:rgba(250,248,244,.72)}
.rv-i{display:grid;grid-template-columns:64px 168px 1fr 116px;align-items:center;border-bottom:1px solid var(--line)}
.rv-i:nth-child(odd){background:var(--paper2)}
.rv-i:last-of-type{border-bottom:0}
.rv-no{padding:18px 16px;font-size:20px;font-weight:800;color:var(--org);letter-spacing:-1px}
.rv-who{padding:18px 16px;font-size:14px;font-weight:700;color:var(--ink);border-left:1px solid var(--line)}
.rv-txt{padding:18px 20px;font-size:13.8px;color:#524b4a;line-height:1.75;border-left:1px solid var(--line)}
.rv-star{padding:18px 16px;border-left:1px solid var(--line);text-align:center}
.rv-star i{font-style:normal;font-size:13px;color:var(--org);letter-spacing:1px}
.rev-note{padding:14px 16px;font-size:12.4px;color:#837b79;background:var(--paper2);border-top:1px dashed var(--line)}

/* ---------- 下载 · 撕边票根（GET 范式 D） ---------- */
.sec-get{background:radial-gradient(700px 400px at 50% 0%,rgba(59,75,240,.3),transparent 62%),var(--ink);color:var(--paper);padding:88px 0}
.stub{position:relative;max-width:740px;margin:0 auto;background:#fff;color:var(--ink);display:grid;grid-template-columns:1fr 150px;box-shadow:0 30px 64px rgba(23,21,27,.36);clip-path:polygon(0% 0%,5% 1.6%,10% 0%,15% 1.6%,20% 0%,25% 1.6%,30% 0%,35% 1.6%,40% 0%,45% 1.6%,50% 0%,55% 1.6%,60% 0%,65% 1.6%,70% 0%,75% 1.6%,80% 0%,85% 1.6%,90% 0%,95% 1.6%,100% 0%,100% 100%,95% 98.4%,90% 100%,85% 98.4%,80% 100%,75% 98.4%,70% 100%,65% 98.4%,60% 100%,55% 98.4%,50% 100%,45% 98.4%,40% 100%,35% 98.4%,30% 100%,25% 98.4%,20% 100%,15% 98.4%,10% 100%,5% 98.4%,0% 100%)}
.stub-body{padding:30px 34px 26px;display:flex;flex-direction:column;align-items:flex-start;gap:13px}
.stub-k{font-size:11.5px;letter-spacing:3px;font-weight:800;color:var(--org-d)}
.stub-v{font-size:30px;letter-spacing:2px;color:var(--ink)}
.stub-logo{border-radius:12px;box-shadow:0 12px 26px rgba(23,21,27,.18)}
.stub-s{font-size:14px;color:#5b5450}
.stub-tags{display:flex;flex-wrap:wrap;gap:10px}
.stub-tags span{font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:20px;border:1px solid rgba(42,55,196,.4);color:var(--ind-d)}
.stub-side{position:relative;border-left:2px dashed rgba(23,21,27,.3);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:0 12px}
.stub-admit{writing-mode:vertical-rl;text-orientation:mixed;font-size:12px;letter-spacing:5px;font-weight:800;color:var(--org)}
.stub-code{width:58px;height:54px;background:repeating-linear-gradient(90deg,var(--ink) 0 2px,transparent 2px 5px,var(--ink) 5px 6px,transparent 6px 10px);opacity:.72;border-radius:2px}
.stub-date{font-size:11px;letter-spacing:1.5px;color:#7a7270}
.notch{position:absolute;width:26px;height:26px;border-radius:50%;background:var(--ink);left:calc(100% - 150px - 13px)}
.n-t{top:-13px}
.n-b{bottom:-13px}
.get-links{text-align:center;font-size:13.5px;color:rgba(250,248,244,.72);margin-top:20px}
.get-upd{text-align:center;font-size:12.4px;color:rgba(250,248,244,.42);margin-top:10px}

/* ---------- 页脚 ---------- */
.ft{background:var(--ink);color:var(--paper);border-top:4px solid var(--org)}
.ft-in{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding:56px 24px 40px;max-width:1180px;margin:0 auto}
.ft-brand p{font-size:13.8px;color:rgba(250,248,244,.62);margin-top:16px;line-height:1.78}
.ft-col h4{font-size:14.5px;margin-bottom:16px;color:#fff}
.ft-col li{margin-bottom:10px}
.ft-col a{font-size:13.8px;color:rgba(250,248,244,.64)}
.ft-col a:hover{color:var(--ind-l)}
.ft-b{border-top:1px solid var(--line-d)}
.ft-b .wrap{padding:20px 24px 26px;text-align:center}
.ft-icp{font-size:13px;color:rgba(250,248,244,.56);margin-bottom:8px}
.ft-copy{font-size:13px;color:rgba(250,248,244,.46)}

/* ---------- 悬浮 / 返回顶部 ---------- */
.backtop{position:fixed;right:24px;bottom:24px;z-index:70;width:44px;height:44px;border-radius:6px;border:0;background:var(--ink3);color:var(--ind-l);font-size:19px;box-shadow:0 10px 24px rgba(23,21,27,.42);opacity:0;pointer-events:none;transition:opacity .25s,transform .15s}
.backtop.show{opacity:1;pointer-events:auto}
.backtop:hover{transform:translateY(-2px)}

/* ---------- 入场动画 ---------- */
.io{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.io.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .hero-in{grid-template-columns:1fr;gap:44px}
  .hero-r{order:2}
  .hero::after{display:none}
  .para-wrap{height:420px}
  .rk{grid-template-columns:1fr}
  .rk-top{grid-row:auto}
  .tps{grid-template-columns:1fr}
  .reel{grid-template-columns:repeat(2,1fr)}
  .funcs{grid-template-columns:repeat(2,1fr)}
  .wheelwrap{grid-template-columns:1fr;gap:34px}
  .chans{grid-template-columns:repeat(2,1fr)}
  .ch-big{grid-row:span 1}
  .ft-in{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:768px){
  .wrap{padding:0 18px}
  .nav{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;background:var(--ink);padding:12px 18px;gap:2px;border-bottom:3px solid var(--org)}
  .nav.open{display:flex}
  .nav a{padding:11px 4px;border-bottom:1px solid var(--line-d)}
  .nav a.on{border-bottom-color:var(--org)}
  .burger{display:flex}
  .hd-cta{display:none}
  .hero{padding:50px 0}
  .hero h1{font-size:42px;letter-spacing:2px}
  .hero-slogan{font-size:19px}
  .para-wrap{height:360px}
  .p-front{width:186px}
  .p-back{width:154px}
  .para-grid{width:186px;height:344px}
  .chip{font-size:11.5px;padding:6px 11px}
  .chip-a{left:0;top:-2px}
  .chip-b{right:0;bottom:14px}
  .sec{padding:56px 0}
  .sec-h h2{font-size:24px}
  .chans{grid-template-columns:1fr}
  .ch-big{grid-row:span 1}
  .rb-i b{font-size:30px}
  .zones{grid-template-columns:1fr}
  .z-new{grid-template-columns:1fr;gap:20px}
  .tp-i{grid-template-columns:92px 1fr;gap:14px}
  .wheel{width:262px;height:262px}
  .wcore{width:124px;height:124px;padding:12px}
  .wcore-no{font-size:28px}
  .wcore-t{font-size:11.5px}
  .wq{width:84px;padding:7px 0}
  .wq b{font-size:16px}
  .wq span{font-size:10.8px}
  .wq1{top:-14px;margin-left:-42px}
  .wq2{right:-26px}
  .wq3{bottom:-14px;margin-left:-42px}
  .wq4{left:-26px}
  .wheel-panel{padding:22px 20px}
  .wp-i h3{font-size:19px}
  .tk-q{padding:16px 16px;gap:11px}
  .tk-q i{width:30px;height:30px;font-size:12px}
  .tk-q h3{font-size:15.5px}
  .tk-a p{padding:14px 16px 18px 57px}
  .rev-head{display:none}
  .rv-i{grid-template-columns:1fr;padding:18px;gap:0}
  .rv-no{display:inline-block;padding:0;font-size:16px;margin-right:10px;vertical-align:middle}
  .rv-who{display:inline;padding:0;border-left:0;font-size:14.5px;vertical-align:middle}
  .rv-txt{padding:10px 0 0;border-left:0}
  .rv-star{padding:8px 0 0;border-left:0;text-align:left}
  .stub{grid-template-columns:1fr}
  .stub-body{padding:26px 24px 22px}
  .stub-side{border-left:0;border-top:2px dashed rgba(23,21,27,.3);flex-direction:row;padding:16px 12px 0;gap:20px}
  .notch{display:none}
  .ft-in{grid-template-columns:1fr;padding:40px 18px 30px}
  .backtop{right:18px;bottom:24px;width:40px;height:40px}
}
@media(max-width:420px){
  .reel{grid-template-columns:1fr}
  .funcs{grid-template-columns:1fr}
  .stub-v{font-size:25px}
}