:root{
  --ink:#1a1a1a;
  --ink-soft:#4a4a4a;
  --paper:#f4efe6;
  --paper-2:#faf7f1;
  --line:#d9cfc0;
  --accent:#e8455f;
  --accent-2:#f0a12c;
  --blue:#2f5d8a;
  --green:#3c7a5e;
  --violet:#6b4c8a;
  --shadow:0 6px 0 rgba(26,26,26,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  font-family:"Songti SC","STSong","Noto Serif SC",Georgia,serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
h1,h2,h3{line-height:1.35;font-weight:700;}
h2{font-size:clamp(1.35rem,3vw,1.9rem);}
h3{font-size:1.1rem;}
p{color:var(--ink-soft);}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px;}
.eyebrow{
  display:inline-block;font-family:Menlo,Consolas,monospace;
  font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);border-bottom:2px solid var(--accent);
  padding-bottom:2px;margin-bottom:12px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(244,239,230,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  padding:10px 20px;max-width:1120px;margin:0 auto;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand img{height:34px;width:auto;border-radius:8px;border:1px solid var(--line);}
.brand-name{font-size:1.05rem;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.nav-desktop{display:none;flex:1;justify-content:center;}
.nav-desktop ul{display:flex;flex-wrap:wrap;gap:2px;justify-content:center;}
.nav-desktop a{
  display:inline-block;padding:6px 10px;font-size:.86rem;border-radius:8px;
  color:var(--ink-soft);transition:color .2s,background-color .2s,transform .2s;
}
.nav-desktop a:hover{color:#fff;background:var(--accent);transform:translateY(-2px);}
.header-cta{
  flex-shrink:0;background:var(--ink);color:#fff;font-size:.86rem;
  padding:8px 16px;border-radius:999px;transition:background-color .2s;
}
.header-cta:hover{background:var(--accent);}
/* mobile nav */
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:38px;border:1px solid var(--line);border-radius:10px;
  background:var(--paper-2);cursor:pointer;padding:0 10px;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s;}
.nav-mobile{
  display:none;border-top:1px dashed var(--line);background:var(--paper-2);
}
.nav-mobile.open{display:block;}
.nav-mobile ul{max-width:1120px;margin:0 auto;padding:10px 20px 16px;}
.nav-mobile li{border-bottom:1px dashed var(--line);}
.nav-mobile li:last-child{border-bottom:none;}
.nav-mobile a{display:block;padding:11px 4px;font-size:.92rem;color:var(--ink);}
.nav-mobile a:hover{color:var(--accent);}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(circle at 12% 18%, rgba(232,69,95,.14), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(47,93,138,.13), transparent 40%),
    var(--paper-2);
  border-bottom:1px solid var(--line);
  padding:38px 0 0;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:28px;}
.hero-copy h1{
  font-size:clamp(1.6rem,5.2vw,2.6rem);
  word-break:break-word;
  line-height:1.3;
}
.hero-copy h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lede{margin-top:14px;font-size:.98rem;max-width:52ch;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;
}
.chip{
  font-family:Menlo,Consolas,monospace;font-size:.72rem;
  padding:4px 10px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-soft);
}
/* download buttons */
.dl-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;margin-top:22px;
}
.dl-btn{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1.5px solid var(--ink);border-radius:12px;
  padding:10px 12px;font-size:.86rem;font-weight:700;color:var(--ink);
  box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,background-color .18s;
  min-width:0;
}
.dl-btn:hover{transform:translate(-2px,-2px);box-shadow:0 9px 0 rgba(26,26,26,.12);background:var(--paper-2);}
.dl-btn .dl-ico{
  flex-shrink:0;width:26px;height:26px;border-radius:7px;
  display:grid;place-items:center;font-size:.7rem;color:#fff;
  background:var(--accent);font-family:Menlo,Consolas,monospace;
}
.dl-btn:nth-child(2) .dl-ico{background:var(--blue);}
.dl-btn:nth-child(3) .dl-ico{background:var(--green);}
.dl-btn:nth-child(4) .dl-ico{background:var(--violet);}
.dl-btn small{display:block;font-weight:400;font-size:.68rem;color:#8a8178;line-height:1.4;}
.dl-btn span.dl-txt{min-width:0;overflow-wrap:anywhere;}
.hero-stack{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;align-items:end;
}
.hero-stack figure{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:#fff;box-shadow:var(--shadow);
  animation:floaty 6s ease-in-out infinite;
}
.hero-stack figure:nth-child(2){animation-delay:1.4s;transform:translateY(-14px);}
.hero-stack figure:nth-child(3){animation-delay:2.6s;}
.hero-stack img{width:100%;height:100%;object-fit:cover;aspect-ratio:9/17;}
@keyframes floaty{0%,100%{translate:0 0;}50%{translate:0 -8px;}}
/* marquee */
.marquee{
  margin-top:34px;border-top:1px solid var(--line);
  background:var(--ink);color:#fff;overflow:hidden;
  padding:9px 0;
}
.marquee-track{
  display:flex;gap:28px;white-space:nowrap;width:max-content;
  animation:slide 34s linear infinite;
  font-family:Menlo,Consolas,monospace;font-size:.8rem;letter-spacing:.04em;
}
.marquee-track span{
  background:linear-gradient(92deg,#ff5f6d,#ffc371,#7ee8fa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- section shells ---------- */
section{padding:52px 0;}
.sec-head{margin-bottom:26px;max-width:64ch;}
.sec-head p{margin-top:8px;font-size:.95rem;}
.paper-block{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:26px 22px;
}
/* tone variations */
.tone-cream{background:#f7f1e3;}
.tone-blue{background:#e8eef4;}
.tone-rose{background:#fbe9ec;}
.tone-green{background:#e9f1ea;}
.tone-violet{background:#efe9f5;}
.tone-sand{background:#f5eddd;}

/* ---------- hot list ---------- */
.hot-list{display:grid;grid-template-columns:1fr;gap:14px;}
.hot-card{
  display:grid;grid-template-columns:68px 1fr;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:14px;
}
.hot-rank{
  font-family:Menlo,Consolas,monospace;font-size:1.5rem;font-weight:700;
  color:var(--accent);line-height:1;
  border-right:1px dashed var(--line);padding-right:12px;
  display:flex;flex-direction:column;justify-content:center;gap:4px;
}
.hot-rank small{font-size:.6rem;color:#9a9188;letter-spacing:.1em;font-weight:400;}
.hot-card h3{font-size:1rem;}
.hot-card p{font-size:.86rem;margin-top:4px;}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;}
.tag-row span{
  font-size:.68rem;padding:2px 8px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);color:var(--ink-soft);
}
.date-line{font-family:Menlo,Consolas,monospace;font-size:.7rem;color:#9a9188;margin-top:6px;}

/* ---------- finished split ---------- */
.finish-split{display:grid;grid-template-columns:1fr;gap:22px;align-items:start;}
.finish-poster{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:#fff;box-shadow:var(--shadow);max-width:300px;margin:0 auto;
}
.finish-poster img{width:100%;aspect-ratio:9/16;object-fit:cover;}
.finish-list{display:grid;grid-template-columns:1fr;gap:0;}
.finish-list li{
  display:grid;grid-template-columns:26px 1fr auto;gap:10px;align-items:baseline;
  padding:10px 0;border-bottom:1px dashed var(--line);font-size:.9rem;
}
.finish-list li:last-child{border-bottom:none;}
.finish-list b{
  font-family:Menlo,Consolas,monospace;font-size:.78rem;color:var(--accent);font-weight:400;
}
.finish-list em{font-style:normal;color:#9a9188;font-size:.72rem;white-space:nowrap;}

/* ---------- ranking bars ---------- */
.rank-bars{display:grid;grid-template-columns:1fr;gap:12px;}
.rank-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;}
.rank-item-top{display:flex;justify-content:space-between;gap:10px;font-size:.9rem;font-weight:700;}
.rank-item-top i{font-style:normal;font-family:Menlo,Consolas,monospace;color:var(--accent);font-weight:400;}
.bar{height:7px;border-radius:999px;background:var(--paper);margin-top:8px;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2));}
.rank-item p{font-size:.8rem;margin-top:6px;}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;
  background:repeating-linear-gradient(to bottom,var(--line) 0 6px,transparent 6px 12px);
}
.tl-item{position:relative;padding:0 0 18px 40px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:0;top:4px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--accent);display:grid;place-items:center;
  font-family:Menlo,Consolas,monospace;font-size:.56rem;color:var(--accent);
}
.tl-item h3{font-size:.96rem;display:flex;flex-wrap:wrap;gap:8px;align-items:baseline;}
.tl-item time{font-family:Menlo,Consolas,monospace;font-size:.74rem;color:var(--blue);}
.tl-item p{font-size:.85rem;margin-top:2px;}

/* ---------- creator FAQ ---------- */
.qa-grid{display:grid;grid-template-columns:1fr;gap:12px;}
.qa{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;
}
.qa h3{font-size:.96rem;position:relative;padding-left:22px;}
.qa h3::before{
  content:"问";position:absolute;left:0;top:0;
  font-family:Menlo,Consolas,monospace;font-size:.7rem;color:var(--accent);
}
.qa p{font-size:.86rem;margin-top:6px;padding-left:22px;}
.qa p::before{content:"答 ";font-family:Menlo,Consolas,monospace;color:var(--green);font-size:.74rem;}

/* ---------- reviews ---------- */
.review-wall{display:grid;grid-template-columns:1fr;gap:14px;}
.review{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;
  display:flex;gap:12px;
}
.review:nth-child(even){border-radius:14px 14px 14px 3px;}
.review:nth-child(odd){border-radius:14px 14px 3px 14px;}
.review img{
  width:38px;height:38px;border-radius:50%;object-fit:cover;flex-shrink:0;
  border:1px solid var(--line);
}
.review-body strong{font-size:.85rem;}
.review-body p{font-size:.85rem;margin-top:4px;}
.review-body small{display:block;font-size:.68rem;color:#9a9188;margin-top:6px;font-family:Menlo,Consolas,monospace;}

/* ---------- minor protection ---------- */
.protect-grid{display:grid;grid-template-columns:1fr;gap:12px;}
.protect-item{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;
}
.protect-item b{
  flex-shrink:0;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
  background:var(--green);color:#fff;font-family:Menlo,Consolas,monospace;font-size:.74rem;font-weight:400;
}
.protect-item h3{font-size:.92rem;}
.protect-item p{font-size:.82rem;margin-top:2px;}

/* ---------- feedback ---------- */
.feedback-box{
  display:grid;grid-template-columns:1fr;gap:14px;
}
.fb-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;}
.fb-item h3{font-size:.92rem;}
.fb-item p{font-size:.83rem;margin-top:4px;}
.fb-note{
  font-size:.82rem;background:var(--paper);border:1px dashed var(--line);
  border-radius:10px;padding:12px 14px;
}

/* ---------- install steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:14px;counter-reset:step;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 16px 16px 18px;
  position:relative;
}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:Menlo,Consolas,monospace;font-size:.72rem;color:var(--accent);
  display:block;margin-bottom:4px;letter-spacing:.1em;
}
.step h3{font-size:.95rem;}
.step p{font-size:.84rem;margin-top:3px;}
.install-note{
  margin-top:18px;font-size:.8rem;color:#8a8178;
  border-top:1px dashed var(--line);padding-top:12px;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);color:#c9c2b8;padding:34px 0 26px;font-size:.8rem;
  border-top:1px solid #000;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:22px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.footer-brand img{height:28px;width:auto;border-radius:6px;}
.footer-brand strong{color:#fff;font-size:.92rem;}
.footer-col h3{color:#fff;font-size:.84rem;margin-bottom:8px;letter-spacing:.06em;}
.footer-col li{margin-bottom:5px;}
.footer-col a{color:#b3aba1;}
.footer-col a:hover{color:var(--accent-2);}
.footer-bottom{
  margin-top:24px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-direction:column;gap:6px;
  font-size:.72rem;color:#8f887f;
}
.footer-bottom a{color:#a8a19a;text-decoration:underline;}
.footer-bottom time{font-family:Menlo,Consolas,monospace;}

/* ---------- floating download ---------- */
.float-dl{
  position:fixed;left:50%;bottom:16px;transform:translateX(-50%);
  z-index:60;display:flex;align-items:center;gap:8px;
  background:var(--ink);color:#fff;border:1px solid #000;
  border-radius:999px;padding:7px 16px 7px 7px;
  box-shadow:0 8px 22px rgba(0,0,0,.28);
  font-size:.84rem;font-weight:700;white-space:nowrap;
  transition:transform .2s,background-color .2s;
  max-width:calc(100vw - 24px);
}
.float-dl:hover{background:var(--accent);transform:translateX(-50%) translateY(-2px);}
.float-dl img{width:30px;height:30px;border-radius:50%;object-fit:cover;flex-shrink:0;}

/* ---------- modal ---------- */
.modal-mask{
  display:none;position:fixed;inset:0;z-index:90;
  background:rgba(20,18,16,.6);
  padding:20px;align-items:center;justify-content:center;
}
.modal-mask.open{display:flex;}
.modal-card{
  background:var(--paper-2);border-radius:14px;max-width:400px;width:100%;
  padding:22px 20px;border:1px solid var(--line);
}
.modal-card p{font-size:.9rem;color:var(--ink);}
.copy-row{
  margin-top:14px;display:flex;gap:8px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 10px;
}
.copy-row input{
  flex:1;min-width:0;border:none;background:transparent;font-size:.78rem;
  font-family:Menlo,Consolas,monospace;color:var(--ink-soft);outline:none;
}
.copy-btn{
  flex-shrink:0;background:var(--accent);color:#fff;border:none;border-radius:8px;
  padding:7px 12px;font-size:.78rem;cursor:pointer;
}
.modal-close{
  margin-top:14px;width:100%;background:transparent;border:1px solid var(--line);
  border-radius:10px;padding:9px;font-size:.84rem;color:var(--ink-soft);cursor:pointer;
}

/* ---------- breakpoints ---------- */
@media (min-width:768px){
  body{font-size:17px;}
  section{padding:64px 0;}
  .hero{padding-top:48px;}
  .hero-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:34px;}
  .dl-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .hot-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .finish-split{grid-template-columns:280px 1fr;gap:30px;}
  .finish-poster{max-width:none;position:sticky;top:86px;}
  .rank-bars{grid-template-columns:repeat(2,minmax(0,1fr));}
  .qa-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .review-wall{grid-template-columns:repeat(2,minmax(0,1fr));}
  .protect-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feedback-box{grid-template-columns:repeat(3,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;flex-wrap:wrap;}
}
@media (min-width:1024px){
  .nav-desktop{display:flex;}
  .nav-toggle{display:none;}
  .nav-mobile{display:none !important;}
  .hot-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rank-bars{grid-template-columns:repeat(2,minmax(0,1fr));}
  .qa-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .review-wall{grid-template-columns:repeat(3,minmax(0,1fr));}
  .protect-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(4,minmax(0,1fr));}
  .hero-stack{gap:14px;}
}
@media (prefers-reduced-motion:reduce){
  .marquee-track,.hero-stack figure{animation:none;}
  *{transition:none !important;}
}