:root{
  --brand:#ee5b38;--brand-d:#c33f1d;--brand-l:#fdeee9;--navy:#1b2130;
  --ink:#20232b;--ink2:#565b67;--ink3:#8e94a1;--bg:#fff;--bg2:#f7f8fb;
  --line:#e8eaf0;--eye:#8fb8e8;--wrap:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.sec-k{font-size:11.5px;letter-spacing:2.2px;font-weight:800;color:var(--brand-d);text-transform:uppercase}
.sec-h{max-width:660px;margin-bottom:34px}
.sec-h h2{font-size:37px;line-height:1.25;letter-spacing:-.6px;margin:9px 0 11px;font-weight:800}
.sec-h p{font-size:14.8px;color:var(--ink2)}

/* header */
.sh{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.93);backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;transition:border-color .2s}
.sh.on{border-bottom-color:var(--line)}
.sh-in{display:flex;align-items:center;gap:26px;height:66px}
.sh-brand{display:flex;align-items:center;gap:10px;flex:none}
.sh-brand img{width:38px;height:38px;border-radius:10px;object-fit:cover}
.sh-brand strong{display:block;font-size:16.5px;line-height:1.2}
.sh-brand small{display:block;font-size:11px;color:var(--ink3);letter-spacing:.5px}
.sh nav{display:flex;gap:25px;margin-left:auto;font-size:14px;color:var(--ink2)}
.sh nav a{padding:6px 0;position:relative}
.sh nav a:hover{color:var(--brand-d)}
.sh nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .2s}
.sh nav a:hover::after{transform:scaleX(1)}
.sh-cta{flex:none;display:inline-flex;align-items:center;height:38px;padding:0 19px;border-radius:8px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;box-shadow:0 2px 5px rgba(195,63,29,.3);
  transition:.18s}
.sh-cta:hover{background:var(--brand-d)}
.sh-menu{display:none;margin-left:auto;width:38px;height:38px;border-radius:9px;border:1px solid var(--line);
  align-items:center;justify-content:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 30px;
  border-radius:10px;background:var(--brand);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 3px 8px rgba(195,63,29,.3);transition:transform .18s,background .18s}
.btn:hover{background:var(--brand-d);transform:translateY(-1px)}
.btn svg{width:18px;height:18px}
.btn-light{background:#fff;color:var(--brand-d)}
.btn-light:hover{background:#fff2ed}

/* hero：三列 */
.hero{position:relative;padding:56px 0 0;background:
  linear-gradient(180deg,#fff 0%,#fff7f3 100%);border-bottom:1px solid var(--line);overflow:hidden}
.hero::before{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid #fbd9cd;background:radial-gradient(closest-side,rgba(238,91,56,.09),transparent 70%)}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:188px 1fr 292px;gap:36px;align-items:center;
  padding-bottom:46px}
.rail{border-right:1px dashed var(--line);padding-right:22px;display:grid;gap:12px;align-content:center}
.rail-tag{font-size:10.5px;letter-spacing:2.4px;color:var(--ink3);font-weight:800;text-transform:uppercase}
.rail-mark{font-size:44px;font-weight:800;letter-spacing:-2px;line-height:1;color:var(--ink);
  border-bottom:4px solid var(--brand);padding-bottom:6px;margin-bottom:2px}
.rail-card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:11px 13px;
  box-shadow:0 6px 0 -4px #f0f1f5}
.rail-card b{display:block;font-size:20px;font-weight:800;line-height:1.2}
.rail-card span{font-size:11.5px;color:var(--ink3)}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:1.5px;color:var(--brand-d);
  font-weight:800;text-transform:uppercase}
.kicker i{width:20px;height:2px;background:var(--brand);display:inline-block}
.hero h1{font-size:56px;line-height:1.04;letter-spacing:-1.8px;margin:14px 0 10px;font-weight:800}
.hero .lead{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:10px}
.hero .lead em{font-style:normal;color:var(--brand-d);border-bottom:4px solid #fbd7cb}
.hero .desc{font-size:14.6px;color:var(--ink2);max-width:520px;line-height:1.85}
.acts{display:flex;gap:12px;align-items:center;margin:22px 0 18px;flex-wrap:wrap}
.hero-facts{display:flex;gap:8px;flex-wrap:wrap}
.hero-facts li{font-size:12.5px;color:var(--ink2);background:#fff;border:1px solid var(--line);
  border-radius:7px;padding:5px 11px}
.hero-facts b{color:var(--ink);font-weight:800;margin-right:4px}
.upd{font-size:12px;color:var(--ink3);margin-top:12px}

.hero-side{position:relative}
.device{position:relative;width:252px;height:428px;margin-left:auto;border-radius:26px;background:#151517;
  border:7px solid #151517;box-shadow:0 26px 46px -26px rgba(27,33,48,.65);overflow:hidden}
.device img{width:100%;height:100%;object-fit:cover;object-position:top center;border-radius:20px}
.device::before{content:"";position:absolute;left:50%;top:7px;transform:translateX(-50%);width:56px;height:5px;
  border-radius:3px;background:#3a3a40;z-index:2}
.fc{position:absolute;z-index:3;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:9px 13px;font-size:12px;color:var(--ink2);box-shadow:0 12px 26px -18px rgba(27,33,48,.6)}
.fc b{display:block;font-size:13px;color:var(--ink);margin-bottom:1px}
.fc.f1{left:-6px;top:64px}
.fc.f2{left:-30px;bottom:74px;background:#fff7f3}
.fc.f3{right:-8px;bottom:20px;background:var(--navy);border-color:var(--navy);color:#fff}
.fc.f3 b{color:#fff}

/* feat zigzag */
.feat{padding:74px 0 70px;background:var(--bg2)}
.zig{display:grid;gap:16px}
.zig article{display:grid;grid-template-columns:1fr 288px;gap:30px;align-items:center;background:#fff;
  border:1px solid var(--line);border-radius:16px;padding:22px 26px}
.zig article:nth-child(2n){grid-template-columns:288px 1fr}
.zig article:nth-child(2n) .zig-art{order:-1}
.zig h4{font-size:19px;font-weight:800;margin-bottom:5px;display:flex;align-items:center;gap:9px}
.zig h4 b{font-size:10.5px;font-weight:800;color:var(--brand-d);background:var(--brand-l);border-radius:5px;
  padding:3px 7px;letter-spacing:.6px}
.zig p{font-size:13.8px;color:var(--ink2)}
.zig-art{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;gap:8px}
.zig-art div{display:flex;align-items:center;gap:9px;background:#fff;border-radius:8px;padding:8px 10px;
  font-size:12px;color:var(--ink2)}
.zig-art i{width:22px;height:22px;border-radius:6px;flex:none;background:var(--brand-l);color:var(--brand-d);
  font-style:normal;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center}
.zig-art .bar{height:6px;border-radius:3px;background:#e6e9f0;display:block;flex:1}
.zig-art .bar.on{background:var(--brand);flex:none;width:52px}

/* show */
.show{padding:76px 0 70px;background:#fff}
.show-row{display:flex;gap:16px;overflow-x:auto;padding:4px 2px 14px;scroll-snap-type:x mandatory}
.show-card{flex:1 1 0;min-width:0;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.show-card .pic{background:var(--bg2);padding:14px 14px 0}
.show-card img{width:100%;height:318px;object-fit:cover;object-position:top center;border-radius:10px 10px 0 0;
  border:1px solid var(--line);border-bottom:0;background:#fff}
.show-card .cap{padding:12px 14px 14px}
.show-card .cap b{display:block;font-size:13.5px;font-weight:800;margin-bottom:1px}
.show-card .cap span{font-size:12.4px;color:var(--ink2)}
.show-note{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:6px}
.show-note div{border-left:2px solid var(--brand);padding:4px 0 4px 13px;font-size:13px;color:var(--ink2)}
.show-note b{display:block;font-size:13.5px;color:var(--ink);margin-bottom:1px}
/* guide section */
.guide{padding:74px 0 70px;background:#fff}
.guide ol{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:g}
.guide li{position:relative;padding:24px 18px 18px;background:var(--bg2);border:1px solid var(--line);
  border-radius:12px;font-size:13.2px;color:var(--ink2)}
.guide li::before{counter-increment:g;content:"0" counter(g);position:absolute;top:14px;left:18px;font-size:12px;
  font-weight:800;color:var(--brand)}
.guide b{display:block;font-size:13.5px;color:var(--ink);margin-bottom:1px;padding-top:16px}

/* faq rows */
.faq{padding:72px 0 68px;background:var(--bg2)}
.faq-rows{display:grid;gap:10px}
.fr{display:grid;grid-template-columns:54px .86fr 1.14fr;gap:20px;align-items:start;background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:18px 22px}
.fr .n{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:1px;padding-top:2px}
.fr h3{font-size:15.2px;font-weight:800;line-height:1.55}
.fr p{font-size:13.4px;color:var(--ink2)}

/* voices grid */
.voices{padding:74px 0 68px;background:#fff}
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.vgrid blockquote{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 19px 15px;
  display:flex;flex-direction:column;gap:10px;box-shadow:0 8px 0 -6px #f0f1f5}
.vgrid blockquote:nth-child(2n){background:var(--bg2)}
.vgrid p{font-size:13.2px;color:var(--ink2);flex:1}
.vgrid footer{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink3);
  border-top:1px solid var(--line);padding-top:9px}
.vgrid footer i{width:24px;height:24px;border-radius:50%;background:var(--brand-l);color:var(--brand-d);
  font-style:normal;font-weight:800;font-size:11.5px;display:flex;align-items:center;justify-content:center}
.vgrid footer cite{font-style:normal;font-weight:700;color:var(--ink2)}
.vgrid footer time{margin-left:auto;font-size:11px;font-variant-numeric:tabular-nums}

/* get */
.get{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.get::after{content:"禁漫天堂";position:absolute;right:-30px;bottom:-46px;font-size:150px;font-weight:800;
  color:rgba(255,255,255,.04);letter-spacing:3px;white-space:nowrap;line-height:1}
.get-in{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;
  padding:54px 0 56px}
.get h2{font-size:33px;letter-spacing:-.6px;font-weight:800;margin-bottom:7px}
.get p{font-size:14px;color:rgba(255,255,255,.62);max-width:500px}
.get-r{display:flex;justify-content:flex-end;align-items:center;gap:14px;flex-wrap:wrap}
.get-r .btn{background:var(--brand)}
.get-r .btn:hover{background:#d34a27}
.get-r small{font-size:11.5px;color:rgba(255,255,255,.45);width:100%;text-align:right}

/* footer */
.ft{background:#f3f4f8;border-top:1px solid var(--line);padding:38px 0 30px}
.ft-in{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;align-items:flex-start}
.ft-brand{display:flex;align-items:center;gap:9px}
.ft-brand img{width:32px;height:32px;border-radius:8px;object-fit:cover}
.ft-brand strong{font-size:15px}
.ft p{font-size:12.4px;color:var(--ink3);max-width:420px;margin-top:9px}
.ft-links{display:flex;gap:18px;font-size:12.8px;color:var(--ink3);flex-wrap:wrap}
.ft-links a:hover{color:var(--brand-d)}
.ft-copy{font-size:11.8px;color:var(--ink3);margin-top:22px;border-top:1px solid var(--line);padding-top:15px}

.backtop{position:fixed;right:24px;bottom:84px;z-index:50;width:42px;height:42px;border-radius:50%;
  display:none;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);
  color:var(--ink);box-shadow:0 10px 24px -14px rgba(27,33,48,.6)}
.backtop.on{display:flex}
.backtop:hover{color:var(--brand-d);border-color:var(--brand)}
@media(max-width:768px){.backtop{right:16px;bottom:76px}}

.rv{animation:rvIn .5s ease both}
@keyframes rvIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.rv{animation:none}}

@media(max-width:1000px){
  .hero-in{grid-template-columns:1fr 270px;gap:26px}
  .rail{display:none}
  .hero h1{font-size:44px}
  .zig article,.zig article:nth-child(2n){grid-template-columns:1fr}
  .zig article:nth-child(2n) .zig-art{order:0}
  .show-card{flex:0 0 72%}
  .show-note,.guide ol{grid-template-columns:1fr}
  .fr{grid-template-columns:40px 1fr}
  .fr p{grid-column:2}
  .vgrid{grid-template-columns:1fr 1fr}
  .get-in{grid-template-columns:1fr}
  .get-r{justify-content:flex-start}
  .get-r small{text-align:left}
  .sh nav{display:none}
  .sh-menu{display:inline-flex}
  .sh-cta{margin-left:10px}
  .sh nav.open{display:flex;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;
    padding:14px 22px 18px;gap:14px;border-bottom:1px solid var(--line)}
}
@media(max-width:620px){
  .hero{padding-top:40px}
  .hero-in{grid-template-columns:1fr;gap:26px;padding-bottom:38px}
  .hero h1{font-size:34px}
  .hero .lead{font-size:17px}
  .device{width:216px;height:352px;margin:0 auto}
  .fc.f1{left:2px;top:26px}
  .fc.f2{left:0;bottom:60px}
  .fc.f3{display:none}
  .sec-h h2{font-size:28px}
  .vgrid{grid-template-columns:1fr}
  .get h2{font-size:27px}
  .btn{width:100%}
}