/* 异次元 - 二次元漫画与番剧 */
:root{
  --violet:#211B16;
  --violet-2:#3A2A1B;
  --violet-soft:#FBF7EE;
  --violet-pale:#F5EFE3;
  --lime:#A83A2C;
  --ink:#211B16;
  --gray:#7C7268;
  --line:#DCCFBC;
  --card:#FFFFFF;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--ink);background:var(--violet-pale);line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(1100px,92%);margin:0 auto}
h1,h2,h3,h4{line-height:1.3}

/* header */
.hd{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.hd-in{display:flex;align-items:center;gap:22px;height:70px}
.hd-brand{display:flex;align-items:center;gap:11px}
.hd-brand img{border-radius:10px}
.hd-brand b{display:block;font-size:17px;letter-spacing:.04em;color:var(--violet)}
.hd-brand small{display:block;font-size:10.5px;color:var(--gray);letter-spacing:.12em}
.nav{display:flex;gap:6px;margin-left:auto}
.nav a{
  font-size:14px;color:#7C7268;padding:7px 12px;border-radius:7px;transition:.2s;
}
.nav a:hover{background:var(--violet-soft);color:var(--violet)}
.nav-toggle{display:none;background:none;border:0;color:var(--violet);cursor:pointer;padding:6px}
.cta{
  background:var(--lime);color:var(--ink);font-weight:800;font-size:14px;
  padding:10px 20px;border-radius:7px;
  box-shadow:0 8px 18px rgba(108,77,246,.2);
  transition:.2s;
}
.cta:hover{transform:translateY(-2px);background:#C05A46}

/* hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(108deg,#F5EFE3 0%,#F5EFE3 58%,#211B16 58%,#8A2C21 100%);
  padding:64px 0 78px;
}
.hero-in{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:46px;align-items:center}
.kick{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--violet);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
h1{font-size:clamp(44px,6.6vw,74px);font-weight:800;color:var(--ink);letter-spacing:.02em}
h1 span{color:var(--violet);position:relative}
h1 span::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:var(--lime);z-index:-1;
}
.lead{font-size:19px;font-weight:600;color:#4A4036;margin:12px 0 14px}
.desc{font-size:15px;color:#7C7268;max-width:33em}
.acts{display:flex;align-items:center;gap:16px;margin:26px 0 24px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--violet);color:#fff;font-weight:700;font-size:15px;
  padding:14px 26px;border-radius:7px;
  box-shadow:0 10px 24px rgba(108,77,246,.3);
  transition:.2s;
}
.btn svg{width:18px;height:18px}
.btn:hover{transform:translateY(-2px);background:var(--violet-2)}
.ghost{font-size:14px;font-weight:600;color:var(--violet);border-bottom:1.5px dashed var(--violet);padding-bottom:2px}
.ghost:hover{color:var(--violet-2)}
.facts{list-style:none;display:flex;gap:10px;flex-wrap:wrap}
.facts li{
  background:#fff;border:1px solid var(--line);border-radius:7px;
  padding:10px 14px;min-width:112px;
}
.facts b{display:block;font-size:14px;color:var(--violet)}
.facts span{font-size:11.5px;color:var(--gray)}

/* hero strip */
.strip{position:relative;display:flex;gap:16px;justify-content:flex-end;align-items:flex-start}
.roll{
  width:58%;border-radius:14px;overflow:hidden;
  border:5px solid rgba(255,255,255,.92);
  box-shadow:0 24px 46px rgba(20,10,50,.35);
}
.roll img{width:100%;height:440px;object-fit:cover;object-position:top center}
.strip-side{display:grid;gap:10px;align-content:start;padding-top:6px}
.dot{width:7px;height:22px;border-radius:4px;background:rgba(255,255,255,.35);display:block}
.dot.on{background:var(--lime)}
.strip-side p{font-size:12px;color:#F3EBDC;line-height:1.6;margin:4px 0 2px}
.strip-side p small{color:#CBBBA4;font-size:11px}
.mini{
  width:104px;border-radius:10px;overflow:hidden;
  border:4px solid rgba(255,255,255,.92);box-shadow:0 14px 28px rgba(20,10,50,.3);
}
.tagfl{
  position:absolute;left:0;bottom:-14px;
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:800;
  padding:7px 14px;border-radius:7px;
}

/* sections */
.sec{padding:76px 0;background:var(--violet-pale)}
.sec.violet{background:var(--violet-soft)}
.sh{margin-bottom:38px;max-width:44em}
.eyebrow{
  display:inline-block;font-size:11px;letter-spacing:.24em;
  color:var(--violet-2);background:#fff;border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.sec.violet .eyebrow{background:#fff}
.sh h2{font-size:clamp(25px,3.3vw,33px);color:var(--ink);font-weight:800}
.sh h2::after{content:"";display:block;width:44px;height:3px;background:var(--lime);margin-top:10px}
.sh p{font-size:14px;color:var(--gray);margin-top:10px}

/* features */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{
  background:var(--card);border-radius:12px;padding:22px 20px;
  border:1px solid var(--line);
  box-shadow:0 8px 22px rgba(36,28,61,.05);
  transition:.22s;
}
.tile:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(36,28,61,.11);border-color:#DCCFBC}
.ti{
  display:grid;place-items:center;width:42px;height:42px;border-radius:9px;
  background:var(--lime);color:var(--ink);margin-bottom:12px;
}
.ti svg{width:20px;height:20px}
.tile h4{font-size:16.5px;color:var(--ink);margin-bottom:6px}
.tile p{font-size:13.5px;color:#7C7268}

/* screens */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.col{
  background:#fff;border-radius:14px;padding:10px 10px 14px;
  box-shadow:0 14px 30px rgba(36,28,61,.1);
}
.col img{width:100%;height:300px;object-fit:cover;object-position:top center;border-radius:8px}
.col.lift{margin-top:-22px;box-shadow:0 20px 38px rgba(36,28,61,.18);border:2px solid var(--lime)}
.col.lift img{height:340px}
.col figcaption{font-size:12.5px;color:var(--gray);margin-top:10px;padding:0 4px}
.col figcaption b{display:block;color:var(--violet);font-size:14px;margin-bottom:2px}

/* guide */
.steps{
  list-style:none;display:grid;gap:14px;position:relative;
  padding-left:26px;border-left:2px dashed #DCCFBC;
}
.steps li{
  position:relative;display:grid;grid-template-columns:46px 1fr;gap:12px;align-items:center;
  background:#fff;border-radius:10px;padding:14px 18px;
  border:1px solid var(--line);
}
.steps li::before{
  content:"";position:absolute;left:-33px;top:50%;width:12px;height:12px;
  margin-top:-6px;border-radius:50%;background:var(--lime);border:2px solid #fff;
}
.steps b{
  font-size:13px;font-weight:800;color:var(--violet);
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--violet-soft);
}
.steps span{font-size:14.5px;color:#4A4036}
.gnote{
  margin-top:18px;font-size:13px;color:#4A4036;
  background:#fff;border-radius:8px;padding:12px 16px;
  border-left:3px solid var(--violet);
}

/* faq */
.qa{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.q{
  background:#fff;border-radius:10px;padding:18px 20px;
  border:1px solid var(--line);
}
.q h3{
  font-size:15.5px;color:var(--ink);display:flex;gap:9px;align-items:baseline;
}
.q h3::before{
  content:"?";color:var(--ink);background:var(--lime);font-weight:800;font-size:12px;
  width:18px;height:18px;border-radius:5px;display:grid;place-items:center;flex:0 0 auto;
  line-height:1;
}
.q p{font-size:13.5px;color:#7C7268;margin-top:7px;padding-left:27px}

/* reviews */
.bubbles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bub{
  background:#fff;border-radius:10px;padding:20px;
  border-top:3px solid var(--violet);
  box-shadow:0 12px 26px rgba(36,28,61,.08);
}
.bub blockquote{font-size:13.8px;color:#4A4036;line-height:1.8}
.who{
  display:flex;align-items:center;gap:8px;margin-top:14px;
  padding-top:10px;border-top:1px dashed var(--line);
  font-size:11.5px;color:var(--gray);
}
.who i{
  font-style:normal;width:26px;height:26px;border-radius:7px;
  display:grid;place-items:center;background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;
}

/* get */
.get{
  background:linear-gradient(150deg,var(--violet) 0%,#3A2A1B 72%,#A83A2C 100%);
  color:#fff;padding:66px 0 74px;
}
.get-in{display:grid;justify-items:center;text-align:center;gap:13px}
.get img{border-radius:12px;background:#fff;padding:3px}
.get h2{font-size:clamp(25px,3.5vw,34px);font-weight:800}
.get h2 em{font-style:normal;color:var(--lime)}
.get p{font-size:14.5px;color:#E4D8C4;max-width:40em}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:4px 0 8px}
.chips span{
  font-size:12px;color:#F3EBDC;border:1px solid rgba(255,255,255,.35);
  border-radius:5px;padding:5px 12px;
}
.get .btn{background:var(--lime);color:var(--ink);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.get .btn:hover{background:#C05A46}

/* footer */
.ft{background:#FBF7EE;color:#7C7268;padding:42px 0 28px;font-size:13px}
.ft-in{display:grid;gap:14px}
.ft-l{display:flex;align-items:center;gap:10px;color:var(--violet);font-size:16px}
.ft-l img{border-radius:8px}
.ft p{max-width:52em;line-height:1.8}
.ft-nav{display:flex;gap:18px;flex-wrap:wrap;padding:12px 0;border-top:1px solid #DCCFBC;border-bottom:1px solid #DCCFBC}
.ft-nav a:hover{color:var(--violet-2)}
.ft-c{color:#8C8173;font-size:12px;line-height:1.9}

/* backtop */
.backtop{
  position:fixed;right:22px;bottom:86px;z-index:50;width:42px;height:42px;
  display:grid;place-items:center;border:0;border-radius:9px;
  background:var(--violet);color:#fff;cursor:pointer;
  box-shadow:0 10px 22px rgba(108,77,246,.3);
  opacity:0;pointer-events:none;transition:.25s;
}
.backtop.show{opacity:1;pointer-events:auto}

@media (max-width:960px){
  .hero{background:linear-gradient(170deg,#F5EFE3 0%,#FBF7EE 100%)}
  .hero-in{grid-template-columns:1fr;gap:36px}
  .strip{justify-content:center}
  .roll img{height:400px}
  .tiles{grid-template-columns:1fr 1fr}
  .cols{grid-template-columns:1fr 1fr}
  .col.lift{margin-top:0}
  .col.lift img{height:300px}
  .qa{grid-template-columns:1fr}
  .bubbles{grid-template-columns:1fr}
  .nav{
    position:fixed;left:0;right:0;top:70px;
    background:#fff;flex-direction:column;gap:0;
    padding:8px 0 14px;border-bottom:1px solid var(--line);
    display:none;
  }
  .nav.open{display:flex}
  .nav a{border-radius:0;padding:12px 6%}
  .nav-toggle{display:block;margin-left:auto}
  .cta{padding:9px 16px;font-size:13px}
}
@media (max-width:600px){
  .hero{padding:44px 0 58px}
  .sec{padding:52px 0}
  .tiles{grid-template-columns:1fr}
  .cols{grid-template-columns:1fr}
  .roll{width:64%}
  .roll img{height:330px}
  .facts li{min-width:calc(50% - 5px)}
  h1{font-size:clamp(38px,11vw,52px)}
}
.mini img{height:190px;object-fit:cover;object-position:top center}

/* 风月ai - 宣纸古籍 · 朱砂 · 竖排标记 · 卷轴横图 */
:root{
  --paper:#F5EFE3;
  --paper2:#FBF7EE;
  --ink:#211B16;
  --red:#A83A2C;
  --red2:#8A2C21;
  --gray:#7C7268;
  --line:#DCCFBC;
}
body{background:var(--paper);color:var(--ink)}

/* header */
.hd{background:var(--paper);border-bottom:1px solid var(--line);box-shadow:none}
.hd-brand img{border-radius:2px}
.hd-brand b{font-family:"Songti SC","STSong","Noto Serif SC",serif;color:var(--ink);letter-spacing:.02em}
.hd-brand small{color:var(--gray);letter-spacing:.12em}
.nav a{color:#3A3029;font-weight:600;border-radius:0;padding:7px 11px}
.nav a:hover{background:rgba(168,58,44,.08);color:var(--red)}
.cta{background:var(--red);color:#fff;border-radius:2px;box-shadow:3px 3px 0 rgba(33,27,22,.16)}
.cta:hover{background:var(--red2);color:#fff;transform:none;box-shadow:3px 3px 0 rgba(33,27,22,.16)}

/* hero */
.hero{
  position:relative;overflow:hidden;padding:68px 0 84px;
  background:
    radial-gradient(760px 460px at 12% 0,rgba(168,58,44,.07),transparent 62%),
    radial-gradient(620px 420px at 92% 82%,rgba(107,81,54,.09),transparent 68%),
    var(--paper);
}
.hero-in{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.kick{
  display:inline-block;font-size:11px;letter-spacing:.34em;color:var(--red);
  border-left:2px solid var(--red);padding:2px 0 2px 12px;margin-bottom:16px;
}
h1{
  font-family:"Songti SC","STSong","Noto Serif SC",serif;font-weight:700;
  font-size:clamp(56px,8vw,92px);letter-spacing:.01em;color:var(--ink);margin:0 0 12px;line-height:1.04;
}
h1 em{font-style:normal;color:var(--red);letter-spacing:0}
.seal{
  display:inline-block;writing-mode:vertical-rl;font-size:11px;letter-spacing:.2em;color:var(--red);
  border:1.5px solid var(--red);padding:7px 4px;margin-left:16px;vertical-align:super;
  transform:rotate(4deg);line-height:1.1;opacity:.9;
}
.lead{font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:20px;font-weight:700;color:#3A3029;margin:6px 0 14px}
.desc{font-size:14.6px;color:var(--gray);line-height:1.98;max-width:34em}
.acts{margin:28px 0 26px;display:flex;align-items:center;gap:22px}
.btn{background:var(--red);color:#fff;border-radius:2px;padding:14px 26px;box-shadow:4px 4px 0 rgba(33,27,22,.16);font-weight:700}
.btn:hover{background:var(--red2);transform:none;box-shadow:4px 4px 0 rgba(33,27,22,.16)}
.ghost{color:var(--ink);border-bottom:1px solid rgba(33,27,22,.5);padding-bottom:2px;font-weight:600}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink);max-width:520px}
.facts li{border:0;background:transparent;border-left:1px solid var(--line);border-radius:0;padding:12px 14px 0;min-width:0}
.facts li:first-child{border-left:0;padding-left:0}
.facts b{display:block;font-family:"Songti SC","STSong",serif;font-size:14.5px;color:var(--ink)}
.facts span{display:block;font-size:11.5px;color:var(--gray);margin-top:3px}

.scrollframe{position:relative;background:var(--paper2);border:1px solid var(--line);padding:16px 12px;box-shadow:0 20px 44px rgba(33,27,22,.12)}
.scrollframe::before,.scrollframe::after{
  content:"";position:absolute;left:-10px;right:-10px;height:12px;border-radius:6px;
  background:linear-gradient(180deg,#7A5C3C,#3A2A1B 58%,#6B5136);box-shadow:0 2px 6px rgba(0,0,0,.18);
}
.scrollframe::before{top:-7px}
.scrollframe::after{bottom:-7px}
.sfigure{margin:0;overflow:hidden;background:#1A1420}
.sfigure img{display:block;width:100%;height:520px;object-fit:cover;object-position:top center;border:1px solid rgba(33,27,22,.18)}
.vlabel{position:absolute;left:-30px;top:16px;writing-mode:vertical-rl;font-size:10.5px;letter-spacing:.32em;color:#9A8E80}
.stamp{
  position:absolute;right:18px;bottom:24px;width:52px;height:52px;display:grid;place-items:center;
  font-family:"Songti SC","STSong",serif;font-size:15px;letter-spacing:.06em;color:var(--red);
  border:2px solid var(--red);border-radius:3px;transform:rotate(-6deg);opacity:.85;
  background:rgba(245,239,227,.55);
}

/* sections */
.sec{background:var(--paper);padding:80px 0}
.scrsec{background:#EFE7D8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sh{max-width:46em}
.eyebrow{
  display:inline-block;background:transparent;border:1px solid var(--red);color:var(--red);border-radius:2px;
  padding:4px 10px;font-size:10px;letter-spacing:.24em;font-weight:800;margin-bottom:13px;
}
.sh h2{font-family:"Songti SC","STSong","Noto Serif SC",serif;font-size:clamp(26px,3.3vw,33px);color:var(--ink)}
.sh h2::after{width:38px;height:2px;background:var(--red);border-radius:0;margin-top:12px}
.sh p{font-size:13.6px;color:var(--gray);line-height:1.85}

/* features：册页卡片 */
.fbook{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.fcard{
  position:relative;background:var(--paper2);border:1px solid var(--line);padding:24px 22px 22px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.fcard:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(33,27,22,.09);border-color:rgba(168,58,44,.35)}
.fcard::after{
  content:"";position:absolute;right:0;bottom:0;border:9px solid transparent;
  border-right-color:rgba(168,58,44,.22);border-bottom-color:rgba(168,58,44,.22);
}
.fno{display:inline-grid;place-items:center;width:30px;height:30px;background:var(--red);color:#fff;font-family:Georgia,serif;font-size:12px;letter-spacing:.04em}
.fcard h4{font-family:"Songti SC","STSong",serif;font-size:19px;color:var(--ink);margin-top:12px}
.fcard p{font-size:13.4px;color:var(--gray);line-height:1.9;margin-top:7px}

/* screens：横卷 */
.juan{position:relative;margin-top:36px;padding:18px 36px;background:linear-gradient(180deg,#F2EAD9,#EAE0CD);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rod{position:absolute;top:-10px;bottom:-10px;width:14px;border-radius:7px;background:linear-gradient(90deg,#7A5C3C,#3A2A1B 58%,#6B5136);box-shadow:0 3px 10px rgba(0,0,0,.16)}
.rod-l{left:-6px}
.rod-r{right:-6px}
.juan figure{margin:0;position:relative}
.juan img{display:block;width:100%;height:430px;object-fit:cover;object-position:center 62%;border:1px solid rgba(33,27,22,.2)}
.anno{
  position:absolute;font-size:11px;color:var(--red);background:rgba(251,247,238,.94);
  border:1px solid var(--red);padding:3px 9px;letter-spacing:.12em;border-radius:2px;
}
.a1{left:11%;top:22%}
.a2{right:13%;top:60%}
.jcap{display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:baseline;padding:18px 4px 4px}
.jcap b{font-family:"Songti SC","STSong",serif;font-size:17px;color:var(--ink)}
.jcap p{font-size:13.4px;color:var(--gray);line-height:1.85}

/* guide：五栏章次 */
.five{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}
.five li{padding:22px 18px 24px;border-left:1px solid var(--line)}
.five li:first-child{border-left:0;padding-left:0}
.num{display:block;font-family:"Songti SC","STSong",serif;font-size:30px;color:var(--red);line-height:1}
.five b{display:block;font-family:"Songti SC","STSong",serif;font-size:16px;color:var(--ink);margin:10px 0 6px}
.five li>span:last-child{font-size:12.8px;color:var(--gray);line-height:1.8}
.gnote{margin-top:26px;background:var(--paper2);border-left:3px solid var(--red);color:#4A4036;padding:14px 18px;border-radius:0 2px 2px 0;font-size:13px}

/* faq：问字印 */
.qa2{max-width:960px;border-top:2px solid var(--ink)}
.qitem{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:20px 2px;border-bottom:1px solid var(--line);align-items:start}
.qmark{
  width:32px;height:32px;display:grid;place-items:center;border:1.5px solid var(--red);color:var(--red);
  font-family:"Songti SC","STSong",serif;font-size:15px;border-radius:3px;margin-top:2px;
}
.qitem h3{font-family:"Songti SC","STSong",serif;font-size:17px;color:var(--ink)}
.qitem p{font-size:13.2px;color:var(--gray);margin-top:6px;line-height:1.85}

/* reviews：错位题跋 */
.sec.band{background:#EFE7D8}
.rvs{display:grid;gap:18px;max-width:1000px;margin-top:34px}
.rvitem{position:relative;width:72%;background:var(--paper2);border:1px solid var(--line);padding:24px 26px;box-shadow:6px 6px 0 rgba(33,27,22,.05)}
.rvitem:nth-child(2){margin-left:auto;width:68%}
.rvitem:nth-child(3){width:76%}
.rq{font-family:Georgia,serif;font-size:40px;line-height:.7;color:rgba(168,58,44,.45);display:block}
.rvitem blockquote{font-family:"Songti SC","STSong",serif;font-size:15px;color:#3A3029;line-height:1.9;margin-top:8px}
.qwho{display:flex;align-items:center;gap:8px;margin-top:14px;border-top:1px dashed var(--line);padding-top:10px;font-size:11.5px;color:var(--gray)}
.qwho i{width:24px;height:24px;display:grid;place-items:center;background:var(--red);color:#fff;font-style:normal;font-family:"Songti SC","STSong",serif;font-size:12px}

/* get：请帖 */
.get{background:var(--ink);padding:76px 0}
.invite{
  position:relative;max-width:720px;margin:0 auto;background:var(--paper2);border:1px solid #C9B79E;
  box-shadow:0 0 0 6px rgba(245,239,227,.08),0 26px 60px rgba(0,0,0,.32);
  padding:54px 40px 42px;text-align:center;transform:rotate(-.6deg);
}
.invite::before{content:"";position:absolute;inset:10px;border:1px solid rgba(168,58,44,.35);pointer-events:none}
.seal2{
  position:absolute;right:22px;top:22px;width:44px;height:44px;border:2px solid var(--red);color:var(--red);
  display:grid;place-items:center;font-family:"Songti SC","STSong",serif;font-size:20px;transform:rotate(7deg);
  background:rgba(245,239,227,.6);
}
.invite h2{font-family:"Songti SC","STSong","Noto Serif SC",serif;color:var(--ink);font-size:clamp(26px,3.4vw,35px)}
.invite h2 em{font-style:normal;color:var(--red)}
.invite p{font-size:13.8px;color:var(--gray);line-height:1.9;margin:12px auto 0;max-width:36em}
.chips{justify-content:center;margin:20px 0 24px}
.chips span{background:transparent;border:1px solid var(--line);color:#5C5248;border-radius:2px;font-size:11.5px;padding:5px 11px}
.get .btn{background:var(--red);color:#fff;border-radius:2px;box-shadow:4px 4px 0 rgba(33,27,22,.18)}
.get .btn:hover{background:var(--red2)}
.invite small{display:block;margin-top:14px;font-size:11px;color:var(--gray)}

/* footer */
.ft{background:var(--paper);border-top:1px solid var(--line);color:var(--gray);padding:44px 0 30px}
.ft-l{color:var(--ink);font-family:"Songti SC","STSong",serif}
.ft-l img{border-radius:2px}
.ft-nav{border-color:var(--line)}
.ft-nav a{color:#3A3029;font-weight:600}
.ft-c{color:#9A8E80}
.backtop{background:var(--red);color:#fff;border-radius:2px}

@media (max-width:960px){
  .hero{padding:52px 0 70px}
  .hero-in{grid-template-columns:1fr;gap:40px}
  .scrollframe{max-width:460px;margin:0 auto;width:100%}
  .sfigure img{height:440px}
  .stamp{right:14px;bottom:18px}
  .fbook{gap:16px}
  .five{grid-template-columns:repeat(2,1fr)}
  .five li{padding:18px 16px 20px}
  .five li:nth-child(odd){border-left:0;padding-left:0}
  .five li:nth-child(n+3){border-top:1px solid var(--line)}
  .juan img{height:320px}
  .jcap{grid-template-columns:140px 1fr;gap:14px}
  .rvitem,.rvitem:nth-child(2),.rvitem:nth-child(3){width:100%;margin-left:0}
  .invite{padding:46px 26px 38px}
  .nav{background:var(--paper)}
  .nav a{color:#3A3029}
}
@media (max-width:760px){
  .sec{padding:54px 0}
  h1{font-size:clamp(50px,14vw,68px)}
  .seal{font-size:10px;padding:5px 3px;margin-left:10px}
  .facts{grid-template-columns:1fr}
  .facts li{border-left:0;padding:10px 0 0}
  .scrollframe{padding:14px 10px}
  .sfigure img{height:380px}
  .vlabel{display:none}
  .fbook{grid-template-columns:1fr}
  .juan{padding:12px 20px;margin-top:26px}
  .juan img{height:240px;object-position:center 66%}
  .rod{width:10px}
  .anno{display:none}
  .jcap{grid-template-columns:1fr;gap:4px}
  .five{grid-template-columns:1fr}
  .five li{padding:16px 0;border-left:0;border-top:1px solid var(--line)}
  .five li:first-child{border-top:0}
  .qitem{grid-template-columns:42px 1fr;gap:12px}
  .rvitem{padding:20px 18px}
  .invite{padding:40px 20px 32px;transform:none}
  .seal2{width:36px;height:36px;font-size:16px;right:16px;top:16px}
}

/* backtop 修复：JS 加 on 类 */
.backtop.on{opacity:1;pointer-events:auto}