:root{
  --ink:#3B2E36;
  --ink-2:#4C3A45;
  --plum:#9C6B84;
  --plum-d:#7E5069;
  --plum-l:#F5E8EE;
  --rose:#D9AFC0;
  --brass:#C6A15B;
  --cream:#FBF5F2;
  --cream-2:#FFFCFA;
  --rule:#EBDCE4;
  --muted:#7D6B74;
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC",STSong,SimSun,Georgia,serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);background:#fff;line-height:1.9;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.4;font-weight:600}
.wrap{width:100%;max-width:1100px;margin:0 auto;padding:0 28px}

/* ============ 顶栏：奶油底 + 藕紫细线 ============ */
.top{
  position:sticky;top:0;z-index:90;background:rgba(255,252,250,.92);
  border-bottom:1px solid var(--rule);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.top.on{box-shadow:0 10px 30px rgba(110,72,92,.06)}
.top-in{display:flex;align-items:center;height:72px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand img{width:38px;height:38px;border-radius:50%}
.brand-t b{display:block;font-family:var(--serif);font-size:18px;letter-spacing:2.4px;line-height:1.2;font-weight:600}
.brand-t small{display:block;font-size:10px;letter-spacing:1.6px;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:26px;margin-left:auto;font-size:13px;font-weight:500;color:#6B5A63;letter-spacing:.6px}
.nav a{position:relative;padding:5px 0}
.nav a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:1px;background:var(--plum);
  transition:left .28s ease,right .28s ease;
}
.nav a:hover{color:var(--plum-d)}
.nav a:hover::after{left:0;right:0}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--ink);padding:4px}
.cta{
  flex:none;background:var(--plum);color:#fff;font-size:12.5px;font-weight:600;letter-spacing:1.2px;
  padding:10px 22px;border-radius:999px;box-shadow:0 8px 20px rgba(156,107,132,.24);
}
.cta:hover{background:var(--plum-d);box-shadow:0 8px 22px rgba(126,80,105,.3)}

/* ============ 英雄区：奶油纸面 ============ */
.hero{
  position:relative;overflow:hidden;padding:74px 0 68px;
  background:
    radial-gradient(720px 500px at 90% -8%,#F8E6EE 0%,rgba(248,230,238,0) 72%),
    radial-gradient(600px 440px at 2% 104%,#F1EAF2 0%,rgba(241,234,242,0) 74%),
    linear-gradient(180deg,#FFFCFA 0%,#FBF5F2 100%);
}
.hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:100%;
  background:repeating-linear-gradient(90deg,rgba(156,107,132,.045) 0 1px,transparent 1px 110px);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:54px;align-items:center;position:relative;z-index:1}
.kick{
  display:inline-flex;align-items:center;gap:10px;font-size:11px;letter-spacing:3.4px;
  color:var(--plum-d);margin-bottom:18px;
}
.kick::before{content:"";width:22px;height:1px;background:var(--plum)}
.hero h1{
  font-family:var(--serif);font-size:60px;letter-spacing:9px;line-height:1.14;
  margin-bottom:14px;color:var(--ink);font-weight:600;
}
.hero h1 span{color:var(--plum)}
.hero .lead{
  font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink-2);
  margin-bottom:14px;letter-spacing:1.6px;
}
.hero .desc{font-size:14.4px;color:var(--muted);max-width:548px;margin-bottom:28px;line-height:2.08}
.acts{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:8px;background:var(--plum);color:#fff;
  padding:13px 30px;border-radius:999px;font-weight:600;font-size:14.5px;letter-spacing:.8px;
  box-shadow:0 10px 24px rgba(156,107,132,.26);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn svg{width:17px;height:17px}
.btn:hover{background:var(--plum-d);transform:translateY(-1px);box-shadow:0 12px 26px rgba(126,80,105,.3)}
.ghost{
  display:inline-flex;align-items:center;padding:12px 22px;border-radius:999px;
  border:1px solid rgba(156,107,132,.34);color:var(--plum-d);font-size:13px;font-weight:600;letter-spacing:.8px;
}
.ghost:hover{background:rgba(245,232,238,.6);border-color:var(--plum)}
.facts{
  display:flex;flex-wrap:wrap;margin-top:34px;padding-top:18px;
  border-top:1px solid var(--rule);
}
.facts div{padding:0 22px;border-left:1px solid var(--rule)}
.facts div:first-child{padding-left:0;border-left:0}
.facts b{display:block;font-family:var(--serif);font-size:13.5px;color:var(--ink-2);letter-spacing:1px;font-weight:600}
.facts span{display:block;font-size:11px;color:var(--muted);margin-top:3px;letter-spacing:.4px}

/* 册页叠放 */
.album{position:relative;height:486px;z-index:1}
.spine{
  position:absolute;right:0;top:5%;writing-mode:vertical-rl;letter-spacing:7px;
  font-size:10px;color:rgba(126,80,105,.52);border-left:1px solid var(--rule);
  padding-left:11px;
}
.pg{
  position:absolute;background:var(--cream-2);padding:9px;margin:0;border-radius:8px;
  box-shadow:0 22px 46px rgba(96,64,80,.14),0 0 0 1px rgba(235,220,228,.9);
}
.pg img{width:100%;height:100%;object-fit:cover;border-radius:3px}
.p1{left:0;top:9%;width:50%;height:62%;transform:rotate(-2.6deg);z-index:2}
.p2{left:29%;top:0;width:46%;height:60%;transform:rotate(2.2deg);z-index:3}
.p3{right:0;bottom:2%;width:40%;height:52%;transform:rotate(-1.4deg);z-index:4}
.stamp{
  position:absolute;left:-10px;top:5%;width:58px;height:58px;border-radius:50%;
  border:1px solid rgba(156,107,132,.5);color:var(--plum-d);font-family:var(--serif);
  font-size:24px;display:grid;place-items:center;transform:rotate(-9deg);z-index:6;
  background:rgba(255,252,250,.7);
}

/* ============ 通用区块 ============ */
.sec{padding:78px 0;background:#fff}
.band{background:var(--cream);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.hd2{
  display:grid;grid-template-columns:78px 1fr;gap:20px;align-items:start;margin-bottom:36px;
  padding-top:22px;border-top:1px solid var(--rule);
}
.hd2 .no{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:10.5px;letter-spacing:1.4px;
  color:var(--plum);padding-top:6px;white-space:nowrap;
}
.hd2 h2{font-family:var(--serif);font-size:30px;letter-spacing:2.6px;margin-bottom:9px;font-weight:600}
.hd2 p{font-size:14.2px;color:var(--muted);max-width:780px}

/* 特色：三列白卡 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  position:relative;background:var(--cream-2);border:1px solid var(--rule);border-radius:12px;
  padding:24px 22px 26px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card .n{
  display:inline-block;font-family:var(--serif);font-style:italic;font-size:12px;
  color:var(--plum);letter-spacing:1.6px;padding-bottom:8px;
}
.card .n::after{content:"";display:block;width:24px;height:1px;background:rgba(156,107,132,.4);margin-top:8px}
.card h4{font-family:var(--serif);font-size:17.5px;letter-spacing:1.2px;margin:12px 0 8px;font-weight:600}
.card p{font-size:13.3px;color:#6C5A64;line-height:1.95}
.card:hover{transform:translateY(-4px);border-color:var(--rose);box-shadow:0 18px 36px rgba(110,72,92,.09)}

/* 界面：一大幅 + 三行 */
.spread{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:center}
.spread figure{margin:0;background:var(--cream-2);border:1px solid var(--rule);border-radius:12px;overflow:hidden}
.big{padding:11px;max-width:432px;width:100%;margin:0 auto}
.big img{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:5px}
.big figcaption{font-size:12.5px;color:var(--muted);padding:11px 5px 2px;letter-spacing:.8px}
.strip{display:grid;gap:15px;align-content:center}
.strip figure{display:grid;grid-template-columns:112px 1fr;gap:17px;align-items:center;padding:11px}
.strip img{width:112px;height:154px;object-fit:cover;border-radius:4px}
.strip figcaption{font-size:13.2px;color:#6C5A64;letter-spacing:.6px}

/* 指南：五步细线清单 */
.steps{list-style:none;margin-top:4px;padding-left:0;max-width:880px;border-top:1px solid var(--rule)}
.steps li{
  display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;
  padding:18px 0;border-bottom:1px solid var(--rule);
  font-size:14.2px;color:#5F4E58;line-height:1.9;
}
.steps b{
  font-family:var(--serif);font-size:13px;font-style:italic;color:var(--plum);
  letter-spacing:1px;padding-top:2px;
}
.gnote{
  margin-top:20px;max-width:880px;border-left:2px solid var(--brass);
  background:rgba(198,161,91,.08);padding:13px 18px;font-size:13px;color:#6D5C52;border-radius:0 8px 8px 0;
}

/* 答疑：单列条目 */
.qa{border-bottom:1px solid var(--rule)}
.qa-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  padding:22px 0;border-top:1px solid var(--rule);
}
.qa-item .qn{
  font-family:var(--serif);font-size:13px;color:var(--plum);letter-spacing:1.4px;padding-top:4px;
}
.qa-item h3{font-family:var(--serif);font-size:16.8px;letter-spacing:1px;margin-bottom:8px;font-weight:600}
.qa-item p{font-size:13.7px;color:#6C5A64;line-height:1.95}

/* 评价：藕粉卡 */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev-card{
  position:relative;background:linear-gradient(180deg,#FDF6F9 0%,#FBF2F5 100%);
  border:1px solid var(--rule);border-radius:14px;padding:26px 22px 18px;
}
.rev-card::before{
  content:"\201C";position:absolute;top:0;right:14px;font-family:Georgia,serif;
  font-size:64px;line-height:1;color:rgba(156,107,132,.16);
}
.rev-card:nth-child(2){margin-top:16px}
.rev-card blockquote{position:relative;z-index:1;font-size:13.4px;color:#5F4E58;line-height:2}
.rev-card .who{
  display:flex;align-items:center;gap:8px;margin-top:16px;padding-top:11px;
  border-top:1px dashed rgba(156,107,132,.24);font-size:10.8px;color:var(--muted);
}
.rev-card .who i{
  width:24px;height:24px;border-radius:50%;background:#fff;border:1px solid rgba(156,107,132,.34);
  color:var(--plum-d);font-style:normal;font-size:10.5px;display:grid;place-items:center;
}
.rev-card .who time{font-family:"SFMono-Regular",Consolas,monospace;letter-spacing:0}

/* ============ 下载：奶油留白 ============ */
.get{
  position:relative;overflow:hidden;padding:76px 0 78px;text-align:center;
  background:
    radial-gradient(560px 340px at 50% 0%,#F7E3EC 0%,rgba(247,227,236,0) 74%),
    var(--cream-2);
  border-top:1px solid var(--rule);
}
.get::before,.get::after{
  content:"";position:absolute;left:50%;width:1100px;height:1px;margin-left:-550px;
  background:linear-gradient(90deg,transparent,var(--rule),transparent);
}
.get::before{top:26px}
.get::after{bottom:26px}
.get-in{position:relative;z-index:1}
.dlogo{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:16px}
.dlogo img{width:46px;height:46px;border-radius:50%}
.dlogo em{font-style:normal;font-size:10px;letter-spacing:3.4px;color:rgba(126,80,105,.6)}
.get h2{font-family:var(--serif);font-size:36px;letter-spacing:3.4px;margin-bottom:12px;font-weight:600}
.get h2 em{font-style:normal;color:var(--plum)}
.get p{font-size:13.8px;color:var(--muted);max-width:660px;margin:0 auto 22px;line-height:2}
.dm{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin-bottom:26px}
.dm span{
  font-size:11px;border:1px solid rgba(156,107,132,.28);border-radius:999px;
  padding:4px 13px;color:var(--plum-d);background:rgba(255,252,250,.6);
}

/* ============ 页脚 ============ */
.ft{background:#FBF7F6;color:#8A7A82;padding:38px 0 28px;font-size:12.2px;border-top:1px solid var(--rule)}
.ft-in{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:flex-start;justify-content:space-between}
.ft-brand{display:flex;align-items:center;gap:10px;color:var(--ink-2);font-weight:600;font-size:13.4px;font-family:var(--serif);letter-spacing:1.8px}
.ft-brand img{width:26px;height:26px;border-radius:50%}
.ft p{max-width:520px;line-height:1.95;color:#8A7A82}
.ft-links{display:flex;gap:18px;flex-wrap:wrap;font-size:11.8px}
.ft-links a:hover{color:var(--plum-d)}
.ft-copy{width:100%;border-top:1px solid var(--rule);padding-top:14px;font-size:11px;color:#A4939B;line-height:1.95}

/* ============ 返回顶部 ============ */
.backtop{
  position:fixed;right:24px;bottom:88px;z-index:70;width:42px;height:42px;border-radius:50%;
  background:var(--cream-2);border:1px solid rgba(156,107,132,.3);color:var(--plum-d);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 8px 20px rgba(110,72,92,.12);
  opacity:0;visibility:hidden;transition:opacity .2s ease;
}
.backtop.on{opacity:1;visibility:visible}
.backtop:hover{background:var(--plum);color:#fff;border-color:var(--plum)}

/* ============ 响应式 960 ============ */
@media (max-width:960px){
  .nav{
    display:none;position:absolute;top:72px;left:0;right:0;margin-left:0;
    background:var(--cream-2);border-bottom:1px solid var(--rule);
    flex-direction:column;gap:0;padding:6px 28px 14px;
  }
  .nav.open{display:flex}
  .nav a{padding:11px 0;border-bottom:1px solid rgba(235,220,228,.7)}
  .nav a::after{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .cta{padding:9px 16px;font-size:11.5px}
  .hero{padding:52px 0 54px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:50px}
  .hero .desc{max-width:none}
  .album{max-width:470px;width:100%;height:440px;margin:0 auto}
  .feat-grid{grid-template-columns:1fr 1fr}
  .spread{grid-template-columns:1fr}
  .strip{grid-template-columns:repeat(3,1fr)}
  .strip figure{display:block;padding:10px}
  .strip img{width:100%;height:auto;aspect-ratio:3/4}
  .strip figcaption{display:block;padding-top:9px;font-size:12.4px}
  .rev-grid{grid-template-columns:1fr 1fr}
  .rev-card:nth-child(2){margin-top:0}
  .rev-card:nth-child(3){grid-column:1 / -1}
}

/* ============ 响应式 600 ============ */
@media (max-width:600px){
  body{font-size:15px}
  .wrap{padding:0 18px}
  .top-in{height:62px;gap:10px}
  .brand img{width:32px;height:32px}
  .brand-t b{font-size:16px;letter-spacing:1.6px}
  .brand-t small{font-size:9px;letter-spacing:1px}
  .nav{top:62px;padding:4px 18px 12px}
  .cta{padding:8px 12px;font-size:10.8px;letter-spacing:.6px}
  .hero{padding:38px 0 42px}
  .hero::before{background:none}
  .hero h1{font-size:39px;letter-spacing:6px}
  .hero .lead{font-size:16.5px}
  .hero .desc{font-size:13.8px;line-height:2}
  .facts div{padding:0 12px}
  .facts b{font-size:12px}
  .facts span{font-size:10px}
  .album{height:368px;max-width:340px}
  .stamp{width:48px;height:48px;font-size:20px;left:-4px}
  .spine{display:none}
  .sec{padding:48px 0}
  .hd2{grid-template-columns:1fr;gap:9px;margin-bottom:24px;padding-top:16px}
  .hd2 .no{padding-top:0}
  .hd2 h2{font-size:23.5px;letter-spacing:1.6px}
  .hd2 p{font-size:13.4px}
  .feat-grid{grid-template-columns:1fr}
  .card{padding:20px 18px 22px}
  .strip{grid-template-columns:1fr}
  .strip figure{grid-template-columns:76px 1fr;display:grid;padding:10px}
  .strip img{width:76px;height:102px}
  .steps li{grid-template-columns:40px 1fr;gap:11px;font-size:13.6px;padding:15px 0}
  .qa-item{grid-template-columns:38px 1fr;gap:11px}
  .qa-item h3{font-size:15.6px}
  .rev-grid{grid-template-columns:1fr}
  .rev-card:nth-child(3){grid-column:auto}
  .get{padding:52px 0 56px}
  .get::before{top:18px}
  .get::after{bottom:18px}
  .get h2{font-size:26px;letter-spacing:2.2px}
  .dm span{font-size:10.4px;padding:3px 10px}
  .ft-in{flex-direction:column}
  .backtop{right:14px;bottom:74px;width:38px;height:38px}
}